diff --git a/library/ssl_cli.c b/library/ssl_cli.c
index 05bfca7..9f04b2b 100644
--- a/library/ssl_cli.c
+++ b/library/ssl_cli.c
@@ -20,25 +20,25 @@
  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#if !defined(POLARSSL_CONFIG_FILE)
+#if !defined(MBEDTLS_CONFIG_FILE)
 #include "mbedtls/config.h"
 #else
-#include POLARSSL_CONFIG_FILE
+#include MBEDTLS_CONFIG_FILE
 #endif
 
-#if defined(POLARSSL_SSL_CLI_C)
+#if defined(MBEDTLS_SSL_CLI_C)
 
 #include "mbedtls/debug.h"
 #include "mbedtls/ssl.h"
 
 #include <string.h>
 
-#if defined(POLARSSL_PLATFORM_C)
+#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
 #else
 #include <stdlib.h>
-#define polarssl_malloc     malloc
-#define polarssl_free       free
+#define mbedtls_malloc     malloc
+#define mbedtls_free       free
 #endif
 
 #if defined(_MSC_VER) && !defined(EFIX64) && !defined(EFI32)
@@ -48,19 +48,19 @@
 #include <inttypes.h>
 #endif
 
-#if defined(POLARSSL_HAVE_TIME)
+#if defined(MBEDTLS_HAVE_TIME)
 #include <time.h>
 #endif
 
-#if defined(POLARSSL_SSL_SESSION_TICKETS)
+#if defined(MBEDTLS_SSL_SESSION_TICKETS)
 /* Implementation that should never be optimized out by the compiler */
-static void polarssl_zeroize( void *v, size_t n ) {
+static void mbedtls_zeroize( void *v, size_t n ) {
     volatile unsigned char *p = v; while( n-- ) *p++ = 0;
 }
 #endif
 
-#if defined(POLARSSL_SSL_SERVER_NAME_INDICATION)
-static void ssl_write_hostname_ext( ssl_context *ssl,
+#if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
+static void ssl_write_hostname_ext( mbedtls_ssl_context *ssl,
                                     unsigned char *buf,
                                     size_t *olen )
 {
@@ -71,7 +71,7 @@
     if( ssl->hostname == NULL )
         return;
 
-    SSL_DEBUG_MSG( 3, ( "client hello, adding server name extension: %s",
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding server name extension: %s",
                    ssl->hostname ) );
 
     /*
@@ -92,8 +92,8 @@
      *     ServerName server_name_list<1..2^16-1>
      * } ServerNameList;
      */
-    *p++ = (unsigned char)( ( TLS_EXT_SERVERNAME >> 8 ) & 0xFF );
-    *p++ = (unsigned char)( ( TLS_EXT_SERVERNAME      ) & 0xFF );
+    *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_SERVERNAME >> 8 ) & 0xFF );
+    *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_SERVERNAME      ) & 0xFF );
 
     *p++ = (unsigned char)( ( (ssl->hostname_len + 5) >> 8 ) & 0xFF );
     *p++ = (unsigned char)( ( (ssl->hostname_len + 5)      ) & 0xFF );
@@ -101,7 +101,7 @@
     *p++ = (unsigned char)( ( (ssl->hostname_len + 3) >> 8 ) & 0xFF );
     *p++ = (unsigned char)( ( (ssl->hostname_len + 3)      ) & 0xFF );
 
-    *p++ = (unsigned char)( ( TLS_EXT_SERVERNAME_HOSTNAME ) & 0xFF );
+    *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_SERVERNAME_HOSTNAME ) & 0xFF );
     *p++ = (unsigned char)( ( ssl->hostname_len >> 8 ) & 0xFF );
     *p++ = (unsigned char)( ( ssl->hostname_len      ) & 0xFF );
 
@@ -109,10 +109,10 @@
 
     *olen = ssl->hostname_len + 9;
 }
-#endif /* POLARSSL_SSL_SERVER_NAME_INDICATION */
+#endif /* MBEDTLS_SSL_SERVER_NAME_INDICATION */
 
-#if defined(POLARSSL_SSL_RENEGOTIATION)
-static void ssl_write_renegotiation_ext( ssl_context *ssl,
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
+static void ssl_write_renegotiation_ext( mbedtls_ssl_context *ssl,
                                          unsigned char *buf,
                                          size_t *olen )
 {
@@ -120,16 +120,16 @@
 
     *olen = 0;
 
-    if( ssl->renego_status != SSL_RENEGOTIATION_IN_PROGRESS )
+    if( ssl->renego_status != MBEDTLS_SSL_RENEGOTIATION_IN_PROGRESS )
         return;
 
-    SSL_DEBUG_MSG( 3, ( "client hello, adding renegotiation extension" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding renegotiation extension" ) );
 
     /*
      * Secure renegotiation
      */
-    *p++ = (unsigned char)( ( TLS_EXT_RENEGOTIATION_INFO >> 8 ) & 0xFF );
-    *p++ = (unsigned char)( ( TLS_EXT_RENEGOTIATION_INFO      ) & 0xFF );
+    *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_RENEGOTIATION_INFO >> 8 ) & 0xFF );
+    *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_RENEGOTIATION_INFO      ) & 0xFF );
 
     *p++ = 0x00;
     *p++ = ( ssl->verify_data_len + 1 ) & 0xFF;
@@ -139,82 +139,82 @@
 
     *olen = 5 + ssl->verify_data_len;
 }
-#endif /* POLARSSL_SSL_RENEGOTIATION */
+#endif /* MBEDTLS_SSL_RENEGOTIATION */
 
 /*
  * Only if we handle at least one key exchange that needs signatures.
  */
-#if defined(POLARSSL_SSL_PROTO_TLS1_2) && \
-    defined(POLARSSL_KEY_EXCHANGE__WITH_CERT__ENABLED)
-static void ssl_write_signature_algorithms_ext( ssl_context *ssl,
+#if defined(MBEDTLS_SSL_PROTO_TLS1_2) && \
+    defined(MBEDTLS_KEY_EXCHANGE__WITH_CERT__ENABLED)
+static void ssl_write_signature_algorithms_ext( mbedtls_ssl_context *ssl,
                                                 unsigned char *buf,
                                                 size_t *olen )
 {
     unsigned char *p = buf;
     size_t sig_alg_len = 0;
-#if defined(POLARSSL_RSA_C) || defined(POLARSSL_ECDSA_C)
+#if defined(MBEDTLS_RSA_C) || defined(MBEDTLS_ECDSA_C)
     unsigned char *sig_alg_list = buf + 6;
 #endif
 
     *olen = 0;
 
-    if( ssl->max_minor_ver != SSL_MINOR_VERSION_3 )
+    if( ssl->max_minor_ver != MBEDTLS_SSL_MINOR_VERSION_3 )
         return;
 
-    SSL_DEBUG_MSG( 3, ( "client hello, adding signature_algorithms extension" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding signature_algorithms extension" ) );
 
     /*
      * Prepare signature_algorithms extension (TLS 1.2)
      */
-#if defined(POLARSSL_RSA_C)
-#if defined(POLARSSL_SHA512_C)
-    sig_alg_list[sig_alg_len++] = SSL_HASH_SHA512;
-    sig_alg_list[sig_alg_len++] = SSL_SIG_RSA;
-    sig_alg_list[sig_alg_len++] = SSL_HASH_SHA384;
-    sig_alg_list[sig_alg_len++] = SSL_SIG_RSA;
+#if defined(MBEDTLS_RSA_C)
+#if defined(MBEDTLS_SHA512_C)
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_HASH_SHA512;
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_SIG_RSA;
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_HASH_SHA384;
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_SIG_RSA;
 #endif
-#if defined(POLARSSL_SHA256_C)
-    sig_alg_list[sig_alg_len++] = SSL_HASH_SHA256;
-    sig_alg_list[sig_alg_len++] = SSL_SIG_RSA;
-    sig_alg_list[sig_alg_len++] = SSL_HASH_SHA224;
-    sig_alg_list[sig_alg_len++] = SSL_SIG_RSA;
+#if defined(MBEDTLS_SHA256_C)
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_HASH_SHA256;
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_SIG_RSA;
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_HASH_SHA224;
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_SIG_RSA;
 #endif
-#if defined(POLARSSL_SHA1_C)
-    sig_alg_list[sig_alg_len++] = SSL_HASH_SHA1;
-    sig_alg_list[sig_alg_len++] = SSL_SIG_RSA;
+#if defined(MBEDTLS_SHA1_C)
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_HASH_SHA1;
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_SIG_RSA;
 #endif
-#if defined(POLARSSL_MD5_C)
-    sig_alg_list[sig_alg_len++] = SSL_HASH_MD5;
-    sig_alg_list[sig_alg_len++] = SSL_SIG_RSA;
+#if defined(MBEDTLS_MD5_C)
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_HASH_MD5;
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_SIG_RSA;
 #endif
-#endif /* POLARSSL_RSA_C */
-#if defined(POLARSSL_ECDSA_C)
-#if defined(POLARSSL_SHA512_C)
-    sig_alg_list[sig_alg_len++] = SSL_HASH_SHA512;
-    sig_alg_list[sig_alg_len++] = SSL_SIG_ECDSA;
-    sig_alg_list[sig_alg_len++] = SSL_HASH_SHA384;
-    sig_alg_list[sig_alg_len++] = SSL_SIG_ECDSA;
+#endif /* MBEDTLS_RSA_C */
+#if defined(MBEDTLS_ECDSA_C)
+#if defined(MBEDTLS_SHA512_C)
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_HASH_SHA512;
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_SIG_ECDSA;
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_HASH_SHA384;
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_SIG_ECDSA;
 #endif
-#if defined(POLARSSL_SHA256_C)
-    sig_alg_list[sig_alg_len++] = SSL_HASH_SHA256;
-    sig_alg_list[sig_alg_len++] = SSL_SIG_ECDSA;
-    sig_alg_list[sig_alg_len++] = SSL_HASH_SHA224;
-    sig_alg_list[sig_alg_len++] = SSL_SIG_ECDSA;
+#if defined(MBEDTLS_SHA256_C)
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_HASH_SHA256;
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_SIG_ECDSA;
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_HASH_SHA224;
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_SIG_ECDSA;
 #endif
-#if defined(POLARSSL_SHA1_C)
-    sig_alg_list[sig_alg_len++] = SSL_HASH_SHA1;
-    sig_alg_list[sig_alg_len++] = SSL_SIG_ECDSA;
+#if defined(MBEDTLS_SHA1_C)
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_HASH_SHA1;
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_SIG_ECDSA;
 #endif
-#if defined(POLARSSL_MD5_C)
-    sig_alg_list[sig_alg_len++] = SSL_HASH_MD5;
-    sig_alg_list[sig_alg_len++] = SSL_SIG_ECDSA;
+#if defined(MBEDTLS_MD5_C)
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_HASH_MD5;
+    sig_alg_list[sig_alg_len++] = MBEDTLS_SSL_SIG_ECDSA;
 #endif
-#endif /* POLARSSL_ECDSA_C */
+#endif /* MBEDTLS_ECDSA_C */
 
     /*
      * enum {
-     *     none(0), md5(1), sha1(2), sha224(3), sha256(4), sha384(5),
-     *     sha512(6), (255)
+     *     none(0), mbedtls_md5(1), mbedtls_sha1(2), sha224(3), mbedtls_sha256(4), sha384(5),
+     *     mbedtls_sha512(6), (255)
      * } HashAlgorithm;
      *
      * enum { anonymous(0), rsa(1), dsa(2), ecdsa(3), (255) }
@@ -228,8 +228,8 @@
      * SignatureAndHashAlgorithm
      *   supported_signature_algorithms<2..2^16-2>;
      */
-    *p++ = (unsigned char)( ( TLS_EXT_SIG_ALG >> 8 ) & 0xFF );
-    *p++ = (unsigned char)( ( TLS_EXT_SIG_ALG      ) & 0xFF );
+    *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_SIG_ALG >> 8 ) & 0xFF );
+    *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_SIG_ALG      ) & 0xFF );
 
     *p++ = (unsigned char)( ( ( sig_alg_len + 2 ) >> 8 ) & 0xFF );
     *p++ = (unsigned char)( ( ( sig_alg_len + 2 )      ) & 0xFF );
@@ -239,34 +239,34 @@
 
     *olen = 6 + sig_alg_len;
 }
-#endif /* POLARSSL_SSL_PROTO_TLS1_2 &&
-          POLARSSL_KEY_EXCHANGE__WITH_CERT__ENABLED */
+#endif /* MBEDTLS_SSL_PROTO_TLS1_2 &&
+          MBEDTLS_KEY_EXCHANGE__WITH_CERT__ENABLED */
 
-#if defined(POLARSSL_ECDH_C) || defined(POLARSSL_ECDSA_C)
-static void ssl_write_supported_elliptic_curves_ext( ssl_context *ssl,
+#if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C)
+static void ssl_write_supported_elliptic_curves_ext( mbedtls_ssl_context *ssl,
                                                      unsigned char *buf,
                                                      size_t *olen )
 {
     unsigned char *p = buf;
     unsigned char *elliptic_curve_list = p + 6;
     size_t elliptic_curve_len = 0;
-    const ecp_curve_info *info;
-#if defined(POLARSSL_SSL_SET_CURVES)
-    const ecp_group_id *grp_id;
+    const mbedtls_ecp_curve_info *info;
+#if defined(MBEDTLS_SSL_SET_CURVES)
+    const mbedtls_ecp_group_id *grp_id;
 #else
     ((void) ssl);
 #endif
 
     *olen = 0;
 
-    SSL_DEBUG_MSG( 3, ( "client hello, adding supported_elliptic_curves extension" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding supported_elliptic_curves extension" ) );
 
-#if defined(POLARSSL_SSL_SET_CURVES)
-    for( grp_id = ssl->curve_list; *grp_id != POLARSSL_ECP_DP_NONE; grp_id++ )
+#if defined(MBEDTLS_SSL_SET_CURVES)
+    for( grp_id = ssl->curve_list; *grp_id != MBEDTLS_ECP_DP_NONE; grp_id++ )
     {
-        info = ecp_curve_info_from_grp_id( *grp_id );
+        info = mbedtls_ecp_curve_info_from_grp_id( *grp_id );
 #else
-    for( info = ecp_curve_list(); info->grp_id != POLARSSL_ECP_DP_NONE; info++ )
+    for( info = mbedtls_ecp_curve_list(); info->grp_id != MBEDTLS_ECP_DP_NONE; info++ )
     {
 #endif
 
@@ -277,8 +277,8 @@
     if( elliptic_curve_len == 0 )
         return;
 
-    *p++ = (unsigned char)( ( TLS_EXT_SUPPORTED_ELLIPTIC_CURVES >> 8 ) & 0xFF );
-    *p++ = (unsigned char)( ( TLS_EXT_SUPPORTED_ELLIPTIC_CURVES      ) & 0xFF );
+    *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_SUPPORTED_ELLIPTIC_CURVES >> 8 ) & 0xFF );
+    *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_SUPPORTED_ELLIPTIC_CURVES      ) & 0xFF );
 
     *p++ = (unsigned char)( ( ( elliptic_curve_len + 2 ) >> 8 ) & 0xFF );
     *p++ = (unsigned char)( ( ( elliptic_curve_len + 2 )      ) & 0xFF );
@@ -289,7 +289,7 @@
     *olen = 6 + elliptic_curve_len;
 }
 
-static void ssl_write_supported_point_formats_ext( ssl_context *ssl,
+static void ssl_write_supported_point_formats_ext( mbedtls_ssl_context *ssl,
                                                    unsigned char *buf,
                                                    size_t *olen )
 {
@@ -298,37 +298,37 @@
 
     *olen = 0;
 
-    SSL_DEBUG_MSG( 3, ( "client hello, adding supported_point_formats extension" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding supported_point_formats extension" ) );
 
-    *p++ = (unsigned char)( ( TLS_EXT_SUPPORTED_POINT_FORMATS >> 8 ) & 0xFF );
-    *p++ = (unsigned char)( ( TLS_EXT_SUPPORTED_POINT_FORMATS      ) & 0xFF );
+    *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_SUPPORTED_POINT_FORMATS >> 8 ) & 0xFF );
+    *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_SUPPORTED_POINT_FORMATS      ) & 0xFF );
 
     *p++ = 0x00;
     *p++ = 2;
 
     *p++ = 1;
-    *p++ = POLARSSL_ECP_PF_UNCOMPRESSED;
+    *p++ = MBEDTLS_ECP_PF_UNCOMPRESSED;
 
     *olen = 6;
 }
-#endif /* POLARSSL_ECDH_C || POLARSSL_ECDSA_C */
+#endif /* MBEDTLS_ECDH_C || MBEDTLS_ECDSA_C */
 
-#if defined(POLARSSL_SSL_MAX_FRAGMENT_LENGTH)
-static void ssl_write_max_fragment_length_ext( ssl_context *ssl,
+#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
+static void ssl_write_max_fragment_length_ext( mbedtls_ssl_context *ssl,
                                                unsigned char *buf,
                                                size_t *olen )
 {
     unsigned char *p = buf;
 
-    if( ssl->mfl_code == SSL_MAX_FRAG_LEN_NONE ) {
+    if( ssl->mfl_code == MBEDTLS_SSL_MAX_FRAG_LEN_NONE ) {
         *olen = 0;
         return;
     }
 
-    SSL_DEBUG_MSG( 3, ( "client hello, adding max_fragment_length extension" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding max_fragment_length extension" ) );
 
-    *p++ = (unsigned char)( ( TLS_EXT_MAX_FRAGMENT_LENGTH >> 8 ) & 0xFF );
-    *p++ = (unsigned char)( ( TLS_EXT_MAX_FRAGMENT_LENGTH      ) & 0xFF );
+    *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_MAX_FRAGMENT_LENGTH >> 8 ) & 0xFF );
+    *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_MAX_FRAGMENT_LENGTH      ) & 0xFF );
 
     *p++ = 0x00;
     *p++ = 1;
@@ -337,101 +337,101 @@
 
     *olen = 5;
 }
-#endif /* POLARSSL_SSL_MAX_FRAGMENT_LENGTH */
+#endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
 
-#if defined(POLARSSL_SSL_TRUNCATED_HMAC)
-static void ssl_write_truncated_hmac_ext( ssl_context *ssl,
+#if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
+static void ssl_write_truncated_hmac_ext( mbedtls_ssl_context *ssl,
                                           unsigned char *buf, size_t *olen )
 {
     unsigned char *p = buf;
 
-    if( ssl->trunc_hmac == SSL_TRUNC_HMAC_DISABLED )
+    if( ssl->trunc_hmac == MBEDTLS_SSL_TRUNC_HMAC_DISABLED )
     {
         *olen = 0;
         return;
     }
 
-    SSL_DEBUG_MSG( 3, ( "client hello, adding truncated_hmac extension" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding truncated_hmac extension" ) );
 
-    *p++ = (unsigned char)( ( TLS_EXT_TRUNCATED_HMAC >> 8 ) & 0xFF );
-    *p++ = (unsigned char)( ( TLS_EXT_TRUNCATED_HMAC      ) & 0xFF );
+    *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_TRUNCATED_HMAC >> 8 ) & 0xFF );
+    *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_TRUNCATED_HMAC      ) & 0xFF );
 
     *p++ = 0x00;
     *p++ = 0x00;
 
     *olen = 4;
 }
-#endif /* POLARSSL_SSL_TRUNCATED_HMAC */
+#endif /* MBEDTLS_SSL_TRUNCATED_HMAC */
 
-#if defined(POLARSSL_SSL_ENCRYPT_THEN_MAC)
-static void ssl_write_encrypt_then_mac_ext( ssl_context *ssl,
+#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
+static void ssl_write_encrypt_then_mac_ext( mbedtls_ssl_context *ssl,
                                        unsigned char *buf, size_t *olen )
 {
     unsigned char *p = buf;
 
-    if( ssl->encrypt_then_mac == SSL_ETM_DISABLED ||
-        ssl->max_minor_ver == SSL_MINOR_VERSION_0 )
+    if( ssl->encrypt_then_mac == MBEDTLS_SSL_ETM_DISABLED ||
+        ssl->max_minor_ver == MBEDTLS_SSL_MINOR_VERSION_0 )
     {
         *olen = 0;
         return;
     }
 
-    SSL_DEBUG_MSG( 3, ( "client hello, adding encrypt_then_mac "
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding encrypt_then_mac "
                         "extension" ) );
 
-    *p++ = (unsigned char)( ( TLS_EXT_ENCRYPT_THEN_MAC >> 8 ) & 0xFF );
-    *p++ = (unsigned char)( ( TLS_EXT_ENCRYPT_THEN_MAC      ) & 0xFF );
+    *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_ENCRYPT_THEN_MAC >> 8 ) & 0xFF );
+    *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_ENCRYPT_THEN_MAC      ) & 0xFF );
 
     *p++ = 0x00;
     *p++ = 0x00;
 
     *olen = 4;
 }
-#endif /* POLARSSL_SSL_ENCRYPT_THEN_MAC */
+#endif /* MBEDTLS_SSL_ENCRYPT_THEN_MAC */
 
-#if defined(POLARSSL_SSL_EXTENDED_MASTER_SECRET)
-static void ssl_write_extended_ms_ext( ssl_context *ssl,
+#if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
+static void ssl_write_extended_ms_ext( mbedtls_ssl_context *ssl,
                                        unsigned char *buf, size_t *olen )
 {
     unsigned char *p = buf;
 
-    if( ssl->extended_ms == SSL_EXTENDED_MS_DISABLED ||
-        ssl->max_minor_ver == SSL_MINOR_VERSION_0 )
+    if( ssl->extended_ms == MBEDTLS_SSL_EXTENDED_MS_DISABLED ||
+        ssl->max_minor_ver == MBEDTLS_SSL_MINOR_VERSION_0 )
     {
         *olen = 0;
         return;
     }
 
-    SSL_DEBUG_MSG( 3, ( "client hello, adding extended_master_secret "
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding extended_master_secret "
                         "extension" ) );
 
-    *p++ = (unsigned char)( ( TLS_EXT_EXTENDED_MASTER_SECRET >> 8 ) & 0xFF );
-    *p++ = (unsigned char)( ( TLS_EXT_EXTENDED_MASTER_SECRET      ) & 0xFF );
+    *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_EXTENDED_MASTER_SECRET >> 8 ) & 0xFF );
+    *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_EXTENDED_MASTER_SECRET      ) & 0xFF );
 
     *p++ = 0x00;
     *p++ = 0x00;
 
     *olen = 4;
 }
-#endif /* POLARSSL_SSL_EXTENDED_MASTER_SECRET */
+#endif /* MBEDTLS_SSL_EXTENDED_MASTER_SECRET */
 
-#if defined(POLARSSL_SSL_SESSION_TICKETS)
-static void ssl_write_session_ticket_ext( ssl_context *ssl,
+#if defined(MBEDTLS_SSL_SESSION_TICKETS)
+static void ssl_write_session_ticket_ext( mbedtls_ssl_context *ssl,
                                           unsigned char *buf, size_t *olen )
 {
     unsigned char *p = buf;
     size_t tlen = ssl->session_negotiate->ticket_len;
 
-    if( ssl->session_tickets == SSL_SESSION_TICKETS_DISABLED )
+    if( ssl->session_tickets == MBEDTLS_SSL_SESSION_TICKETS_DISABLED )
     {
         *olen = 0;
         return;
     }
 
-    SSL_DEBUG_MSG( 3, ( "client hello, adding session ticket extension" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding session ticket extension" ) );
 
-    *p++ = (unsigned char)( ( TLS_EXT_SESSION_TICKET >> 8 ) & 0xFF );
-    *p++ = (unsigned char)( ( TLS_EXT_SESSION_TICKET      ) & 0xFF );
+    *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_SESSION_TICKET >> 8 ) & 0xFF );
+    *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_SESSION_TICKET      ) & 0xFF );
 
     *p++ = (unsigned char)( ( tlen >> 8 ) & 0xFF );
     *p++ = (unsigned char)( ( tlen      ) & 0xFF );
@@ -444,16 +444,16 @@
         return;
     }
 
-    SSL_DEBUG_MSG( 3, ( "sending session ticket of length %d", tlen ) );
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "sending session ticket of length %d", tlen ) );
 
     memcpy( p, ssl->session_negotiate->ticket, tlen );
 
     *olen += tlen;
 }
-#endif /* POLARSSL_SSL_SESSION_TICKETS */
+#endif /* MBEDTLS_SSL_SESSION_TICKETS */
 
-#if defined(POLARSSL_SSL_ALPN)
-static void ssl_write_alpn_ext( ssl_context *ssl,
+#if defined(MBEDTLS_SSL_ALPN)
+static void ssl_write_alpn_ext( mbedtls_ssl_context *ssl,
                                 unsigned char *buf, size_t *olen )
 {
     unsigned char *p = buf;
@@ -465,10 +465,10 @@
         return;
     }
 
-    SSL_DEBUG_MSG( 3, ( "client hello, adding alpn extension" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, adding alpn extension" ) );
 
-    *p++ = (unsigned char)( ( TLS_EXT_ALPN >> 8 ) & 0xFF );
-    *p++ = (unsigned char)( ( TLS_EXT_ALPN      ) & 0xFF );
+    *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_ALPN >> 8 ) & 0xFF );
+    *p++ = (unsigned char)( ( MBEDTLS_TLS_EXT_ALPN      ) & 0xFF );
 
     /*
      * opaque ProtocolName<1..2^8-1>;
@@ -498,44 +498,44 @@
     buf[2] = (unsigned char)( ( ( *olen - 4 ) >> 8 ) & 0xFF );
     buf[3] = (unsigned char)( ( ( *olen - 4 )      ) & 0xFF );
 }
-#endif /* POLARSSL_SSL_ALPN */
+#endif /* MBEDTLS_SSL_ALPN */
 
 /*
  * Generate random bytes for ClientHello
  */
-static int ssl_generate_random( ssl_context *ssl )
+static int ssl_generate_random( mbedtls_ssl_context *ssl )
 {
     int ret;
     unsigned char *p = ssl->handshake->randbytes;
-#if defined(POLARSSL_HAVE_TIME)
+#if defined(MBEDTLS_HAVE_TIME)
     time_t t;
 #endif
 
     /*
      * When responding to a verify request, MUST reuse random (RFC 6347 4.2.1)
      */
-#if defined(POLARSSL_SSL_PROTO_DTLS)
-    if( ssl->transport == SSL_TRANSPORT_DATAGRAM &&
+#if defined(MBEDTLS_SSL_PROTO_DTLS)
+    if( ssl->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
         ssl->handshake->verify_cookie != NULL )
     {
         return( 0 );
     }
 #endif
 
-#if defined(POLARSSL_HAVE_TIME)
+#if defined(MBEDTLS_HAVE_TIME)
     t = time( NULL );
     *p++ = (unsigned char)( t >> 24 );
     *p++ = (unsigned char)( t >> 16 );
     *p++ = (unsigned char)( t >>  8 );
     *p++ = (unsigned char)( t       );
 
-    SSL_DEBUG_MSG( 3, ( "client hello, current time: %lu", t ) );
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, current time: %lu", t ) );
 #else
     if( ( ret = ssl->f_rng( ssl->p_rng, p, 4 ) ) != 0 )
         return( ret );
 
     p += 4;
-#endif /* POLARSSL_HAVE_TIME */
+#endif /* MBEDTLS_HAVE_TIME */
 
     if( ( ret = ssl->f_rng( ssl->p_rng, p, 28 ) ) != 0 )
         return( ret );
@@ -543,7 +543,7 @@
     return( 0 );
 }
 
-static int ssl_write_client_hello( ssl_context *ssl )
+static int ssl_write_client_hello( mbedtls_ssl_context *ssl )
 {
     int ret;
     size_t i, n, olen, ext_len = 0;
@@ -551,18 +551,18 @@
     unsigned char *p, *q;
     unsigned char offer_compress;
     const int *ciphersuites;
-    const ssl_ciphersuite_t *ciphersuite_info;
+    const mbedtls_ssl_ciphersuite_t *ciphersuite_info;
 
-    SSL_DEBUG_MSG( 2, ( "=> write client hello" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> write client hello" ) );
 
     if( ssl->f_rng == NULL )
     {
-        SSL_DEBUG_MSG( 1, ( "no RNG provided") );
-        return( POLARSSL_ERR_SSL_NO_RNG );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "no RNG provided") );
+        return( MBEDTLS_ERR_SSL_NO_RNG );
     }
 
-#if defined(POLARSSL_SSL_RENEGOTIATION)
-    if( ssl->renego_status == SSL_INITIAL_HANDSHAKE )
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
+    if( ssl->renego_status == MBEDTLS_SSL_INITIAL_HANDSHAKE )
 #endif
     {
         ssl->major_ver = ssl->min_major_ver;
@@ -571,8 +571,8 @@
 
     if( ssl->max_major_ver == 0 && ssl->max_minor_ver == 0 )
     {
-        ssl->max_major_ver = SSL_MAX_MAJOR_VERSION;
-        ssl->max_minor_ver = SSL_MAX_MINOR_VERSION;
+        ssl->max_major_ver = MBEDTLS_SSL_MAX_MAJOR_VERSION;
+        ssl->max_minor_ver = MBEDTLS_SSL_MAX_MINOR_VERSION;
     }
 
     /*
@@ -585,21 +585,21 @@
     buf = ssl->out_msg;
     p = buf + 4;
 
-    ssl_write_version( ssl->max_major_ver, ssl->max_minor_ver,
+    mbedtls_ssl_write_version( ssl->max_major_ver, ssl->max_minor_ver,
                        ssl->transport, p );
     p += 2;
 
-    SSL_DEBUG_MSG( 3, ( "client hello, max version: [%d:%d]",
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, max version: [%d:%d]",
                    buf[4], buf[5] ) );
 
     if( ( ret = ssl_generate_random( ssl ) ) != 0 )
     {
-        SSL_DEBUG_RET( 1, "ssl_generate_random", ret );
+        MBEDTLS_SSL_DEBUG_RET( 1, "ssl_generate_random", ret );
         return( ret );
     }
 
     memcpy( p, ssl->handshake->randbytes, 32 );
-    SSL_DEBUG_BUF( 3, "client hello, random bytes", p, 32 );
+    MBEDTLS_SSL_DEBUG_BUF( 3, "client hello, random bytes", p, 32 );
     p += 32;
 
     /*
@@ -617,21 +617,21 @@
     n = ssl->session_negotiate->length;
 
     if( n < 16 || n > 32 ||
-#if defined(POLARSSL_SSL_RENEGOTIATION)
-        ssl->renego_status != SSL_INITIAL_HANDSHAKE ||
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
+        ssl->renego_status != MBEDTLS_SSL_INITIAL_HANDSHAKE ||
 #endif
         ssl->handshake->resume == 0 )
     {
         n = 0;
     }
 
-#if defined(POLARSSL_SSL_SESSION_TICKETS)
+#if defined(MBEDTLS_SSL_SESSION_TICKETS)
     /*
      * RFC 5077 section 3.4: "When presenting a ticket, the client MAY
      * generate and include a Session ID in the TLS ClientHello."
      */
-#if defined(POLARSSL_SSL_RENEGOTIATION)
-    if( ssl->renego_status == SSL_INITIAL_HANDSHAKE )
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
+    if( ssl->renego_status == MBEDTLS_SSL_INITIAL_HANDSHAKE )
 #endif
     {
         if( ssl->session_negotiate->ticket != NULL &&
@@ -645,30 +645,30 @@
             ssl->session_negotiate->length = n = 32;
         }
     }
-#endif /* POLARSSL_SSL_SESSION_TICKETS */
+#endif /* MBEDTLS_SSL_SESSION_TICKETS */
 
     *p++ = (unsigned char) n;
 
     for( i = 0; i < n; i++ )
         *p++ = ssl->session_negotiate->id[i];
 
-    SSL_DEBUG_MSG( 3, ( "client hello, session id len.: %d", n ) );
-    SSL_DEBUG_BUF( 3,   "client hello, session id", buf + 39, n );
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, session id len.: %d", n ) );
+    MBEDTLS_SSL_DEBUG_BUF( 3,   "client hello, session id", buf + 39, n );
 
     /*
      * DTLS cookie
      */
-#if defined(POLARSSL_SSL_PROTO_DTLS)
-    if( ssl->transport == SSL_TRANSPORT_DATAGRAM )
+#if defined(MBEDTLS_SSL_PROTO_DTLS)
+    if( ssl->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
     {
         if( ssl->handshake->verify_cookie == NULL )
         {
-            SSL_DEBUG_MSG( 3, ( "no verify cookie to send" ) );
+            MBEDTLS_SSL_DEBUG_MSG( 3, ( "no verify cookie to send" ) );
             *p++ = 0;
         }
         else
         {
-            SSL_DEBUG_BUF( 3, "client hello, cookie",
+            MBEDTLS_SSL_DEBUG_BUF( 3, "client hello, cookie",
                               ssl->handshake->verify_cookie,
                               ssl->handshake->verify_cookie_len );
 
@@ -692,7 +692,7 @@
 
     for( i = 0; ciphersuites[i] != 0; i++ )
     {
-        ciphersuite_info = ssl_ciphersuite_from_id( ciphersuites[i] );
+        ciphersuite_info = mbedtls_ssl_ciphersuite_from_id( ciphersuites[i] );
 
         if( ciphersuite_info == NULL )
             continue;
@@ -701,17 +701,17 @@
             ciphersuite_info->max_minor_ver < ssl->min_minor_ver )
             continue;
 
-#if defined(POLARSSL_SSL_PROTO_DTLS)
-        if( ssl->transport == SSL_TRANSPORT_DATAGRAM &&
-            ( ciphersuite_info->flags & POLARSSL_CIPHERSUITE_NODTLS ) )
+#if defined(MBEDTLS_SSL_PROTO_DTLS)
+        if( ssl->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
+            ( ciphersuite_info->flags & MBEDTLS_CIPHERSUITE_NODTLS ) )
             continue;
 #endif
 
-        if( ssl->arc4_disabled == SSL_ARC4_DISABLED &&
-            ciphersuite_info->cipher == POLARSSL_CIPHER_ARC4_128 )
+        if( ssl->arc4_disabled == MBEDTLS_SSL_ARC4_DISABLED &&
+            ciphersuite_info->cipher == MBEDTLS_CIPHER_ARC4_128 )
             continue;
 
-        SSL_DEBUG_MSG( 3, ( "client hello, add ciphersuite: %2d",
+        MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, add ciphersuite: %2d",
                        ciphersuites[i] ) );
 
         n++;
@@ -722,22 +722,22 @@
     /*
      * Add TLS_EMPTY_RENEGOTIATION_INFO_SCSV
      */
-#if defined(POLARSSL_SSL_RENEGOTIATION)
-    if( ssl->renego_status == SSL_INITIAL_HANDSHAKE )
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
+    if( ssl->renego_status == MBEDTLS_SSL_INITIAL_HANDSHAKE )
 #endif
     {
-        *p++ = (unsigned char)( SSL_EMPTY_RENEGOTIATION_INFO >> 8 );
-        *p++ = (unsigned char)( SSL_EMPTY_RENEGOTIATION_INFO      );
+        *p++ = (unsigned char)( MBEDTLS_SSL_EMPTY_RENEGOTIATION_INFO >> 8 );
+        *p++ = (unsigned char)( MBEDTLS_SSL_EMPTY_RENEGOTIATION_INFO      );
         n++;
     }
 
     /* Some versions of OpenSSL don't handle it correctly if not at end */
-#if defined(POLARSSL_SSL_FALLBACK_SCSV)
-    if( ssl->fallback == SSL_IS_FALLBACK )
+#if defined(MBEDTLS_SSL_FALLBACK_SCSV)
+    if( ssl->fallback == MBEDTLS_SSL_IS_FALLBACK )
     {
-        SSL_DEBUG_MSG( 3, ( "adding FALLBACK_SCSV" ) );
-        *p++ = (unsigned char)( SSL_FALLBACK_SCSV_VALUE >> 8 );
-        *p++ = (unsigned char)( SSL_FALLBACK_SCSV_VALUE      );
+        MBEDTLS_SSL_DEBUG_MSG( 3, ( "adding FALLBACK_SCSV" ) );
+        *p++ = (unsigned char)( MBEDTLS_SSL_FALLBACK_SCSV_VALUE >> 8 );
+        *p++ = (unsigned char)( MBEDTLS_SSL_FALLBACK_SCSV_VALUE      );
         n++;
     }
 #endif
@@ -745,9 +745,9 @@
     *q++ = (unsigned char)( n >> 7 );
     *q++ = (unsigned char)( n << 1 );
 
-    SSL_DEBUG_MSG( 3, ( "client hello, got %d ciphersuites", n ) );
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, got %d ciphersuites", n ) );
 
-#if defined(POLARSSL_ZLIB_SUPPORT)
+#if defined(MBEDTLS_ZLIB_SUPPORT)
     offer_compress = 1;
 #else
     offer_compress = 0;
@@ -759,50 +759,50 @@
      * We don't want to add complexity for handling that case unless there is
      * an actual need for it.
      */
-#if defined(POLARSSL_SSL_PROTO_DTLS)
-    if( ssl->transport == SSL_TRANSPORT_DATAGRAM )
+#if defined(MBEDTLS_SSL_PROTO_DTLS)
+    if( ssl->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
         offer_compress = 0;
 #endif
 
     if( offer_compress )
     {
-        SSL_DEBUG_MSG( 3, ( "client hello, compress len.: %d", 2 ) );
-        SSL_DEBUG_MSG( 3, ( "client hello, compress alg.: %d %d",
-                            SSL_COMPRESS_DEFLATE, SSL_COMPRESS_NULL ) );
+        MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, compress len.: %d", 2 ) );
+        MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, compress alg.: %d %d",
+                            MBEDTLS_SSL_COMPRESS_DEFLATE, MBEDTLS_SSL_COMPRESS_NULL ) );
 
         *p++ = 2;
-        *p++ = SSL_COMPRESS_DEFLATE;
-        *p++ = SSL_COMPRESS_NULL;
+        *p++ = MBEDTLS_SSL_COMPRESS_DEFLATE;
+        *p++ = MBEDTLS_SSL_COMPRESS_NULL;
     }
     else
     {
-        SSL_DEBUG_MSG( 3, ( "client hello, compress len.: %d", 1 ) );
-        SSL_DEBUG_MSG( 3, ( "client hello, compress alg.: %d",
-                            SSL_COMPRESS_NULL ) );
+        MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, compress len.: %d", 1 ) );
+        MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, compress alg.: %d",
+                            MBEDTLS_SSL_COMPRESS_NULL ) );
 
         *p++ = 1;
-        *p++ = SSL_COMPRESS_NULL;
+        *p++ = MBEDTLS_SSL_COMPRESS_NULL;
     }
 
     // First write extensions, then the total length
     //
-#if defined(POLARSSL_SSL_SERVER_NAME_INDICATION)
+#if defined(MBEDTLS_SSL_SERVER_NAME_INDICATION)
     ssl_write_hostname_ext( ssl, p + 2 + ext_len, &olen );
     ext_len += olen;
 #endif
 
-#if defined(POLARSSL_SSL_RENEGOTIATION)
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
     ssl_write_renegotiation_ext( ssl, p + 2 + ext_len, &olen );
     ext_len += olen;
 #endif
 
-#if defined(POLARSSL_SSL_PROTO_TLS1_2) && \
-    defined(POLARSSL_KEY_EXCHANGE__WITH_CERT__ENABLED)
+#if defined(MBEDTLS_SSL_PROTO_TLS1_2) && \
+    defined(MBEDTLS_KEY_EXCHANGE__WITH_CERT__ENABLED)
     ssl_write_signature_algorithms_ext( ssl, p + 2 + ext_len, &olen );
     ext_len += olen;
 #endif
 
-#if defined(POLARSSL_ECDH_C) || defined(POLARSSL_ECDSA_C)
+#if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C)
     ssl_write_supported_elliptic_curves_ext( ssl, p + 2 + ext_len, &olen );
     ext_len += olen;
 
@@ -810,32 +810,32 @@
     ext_len += olen;
 #endif
 
-#if defined(POLARSSL_SSL_MAX_FRAGMENT_LENGTH)
+#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
     ssl_write_max_fragment_length_ext( ssl, p + 2 + ext_len, &olen );
     ext_len += olen;
 #endif
 
-#if defined(POLARSSL_SSL_TRUNCATED_HMAC)
+#if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
     ssl_write_truncated_hmac_ext( ssl, p + 2 + ext_len, &olen );
     ext_len += olen;
 #endif
 
-#if defined(POLARSSL_SSL_ENCRYPT_THEN_MAC)
+#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
     ssl_write_encrypt_then_mac_ext( ssl, p + 2 + ext_len, &olen );
     ext_len += olen;
 #endif
 
-#if defined(POLARSSL_SSL_EXTENDED_MASTER_SECRET)
+#if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
     ssl_write_extended_ms_ext( ssl, p + 2 + ext_len, &olen );
     ext_len += olen;
 #endif
 
-#if defined(POLARSSL_SSL_SESSION_TICKETS)
+#if defined(MBEDTLS_SSL_SESSION_TICKETS)
     ssl_write_session_ticket_ext( ssl, p + 2 + ext_len, &olen );
     ext_len += olen;
 #endif
 
-#if defined(POLARSSL_SSL_ALPN)
+#if defined(MBEDTLS_SSL_ALPN)
     ssl_write_alpn_ext( ssl, p + 2 + ext_len, &olen );
     ext_len += olen;
 #endif
@@ -843,7 +843,7 @@
     /* olen unused if all extensions are disabled */
     ((void) olen);
 
-    SSL_DEBUG_MSG( 3, ( "client hello, total extension length: %d",
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "client hello, total extension length: %d",
                    ext_len ) );
 
     if( ext_len > 0 )
@@ -854,73 +854,73 @@
     }
 
     ssl->out_msglen  = p - buf;
-    ssl->out_msgtype = SSL_MSG_HANDSHAKE;
-    ssl->out_msg[0]  = SSL_HS_CLIENT_HELLO;
+    ssl->out_msgtype = MBEDTLS_SSL_MSG_HANDSHAKE;
+    ssl->out_msg[0]  = MBEDTLS_SSL_HS_CLIENT_HELLO;
 
     ssl->state++;
 
-#if defined(POLARSSL_SSL_PROTO_DTLS)
-    if( ssl->transport == SSL_TRANSPORT_DATAGRAM )
-        ssl_send_flight_completed( ssl );
+#if defined(MBEDTLS_SSL_PROTO_DTLS)
+    if( ssl->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
+        mbedtls_ssl_send_flight_completed( ssl );
 #endif
 
-    if( ( ret = ssl_write_record( ssl ) ) != 0 )
+    if( ( ret = mbedtls_ssl_write_record( ssl ) ) != 0 )
     {
-        SSL_DEBUG_RET( 1, "ssl_write_record", ret );
+        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_write_record", ret );
         return( ret );
     }
 
-    SSL_DEBUG_MSG( 2, ( "<= write client hello" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= write client hello" ) );
 
     return( 0 );
 }
 
-static int ssl_parse_renegotiation_info( ssl_context *ssl,
+static int ssl_parse_renegotiation_info( mbedtls_ssl_context *ssl,
                                          const unsigned char *buf,
                                          size_t len )
 {
     int ret;
 
-#if defined(POLARSSL_SSL_RENEGOTIATION)
-    if( ssl->renego_status != SSL_INITIAL_HANDSHAKE )
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
+    if( ssl->renego_status != MBEDTLS_SSL_INITIAL_HANDSHAKE )
     {
         /* Check verify-data in constant-time. The length OTOH is no secret */
         if( len    != 1 + ssl->verify_data_len * 2 ||
             buf[0] !=     ssl->verify_data_len * 2 ||
-            safer_memcmp( buf + 1,
+            mbedtls_ssl_safer_memcmp( buf + 1,
                           ssl->own_verify_data, ssl->verify_data_len ) != 0 ||
-            safer_memcmp( buf + 1 + ssl->verify_data_len,
+            mbedtls_ssl_safer_memcmp( buf + 1 + ssl->verify_data_len,
                           ssl->peer_verify_data, ssl->verify_data_len ) != 0 )
         {
-            SSL_DEBUG_MSG( 1, ( "non-matching renegotiation info" ) );
+            MBEDTLS_SSL_DEBUG_MSG( 1, ( "non-matching renegotiation info" ) );
 
-            if( ( ret = ssl_send_fatal_handshake_failure( ssl ) ) != 0 )
+            if( ( ret = mbedtls_ssl_send_fatal_handshake_failure( ssl ) ) != 0 )
                 return( ret );
 
-            return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
         }
     }
     else
-#endif /* POLARSSL_SSL_RENEGOTIATION */
+#endif /* MBEDTLS_SSL_RENEGOTIATION */
     {
         if( len != 1 || buf[0] != 0x00 )
         {
-            SSL_DEBUG_MSG( 1, ( "non-zero length renegotiation info" ) );
+            MBEDTLS_SSL_DEBUG_MSG( 1, ( "non-zero length renegotiation info" ) );
 
-            if( ( ret = ssl_send_fatal_handshake_failure( ssl ) ) != 0 )
+            if( ( ret = mbedtls_ssl_send_fatal_handshake_failure( ssl ) ) != 0 )
                 return( ret );
 
-            return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
         }
 
-        ssl->secure_renegotiation = SSL_SECURE_RENEGOTIATION;
+        ssl->secure_renegotiation = MBEDTLS_SSL_SECURE_RENEGOTIATION;
     }
 
     return( 0 );
 }
 
-#if defined(POLARSSL_SSL_MAX_FRAGMENT_LENGTH)
-static int ssl_parse_max_fragment_length_ext( ssl_context *ssl,
+#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
+static int ssl_parse_max_fragment_length_ext( mbedtls_ssl_context *ssl,
                                               const unsigned char *buf,
                                               size_t len )
 {
@@ -928,85 +928,85 @@
      * server should use the extension only if we did,
      * and if so the server's value should match ours (and len is always 1)
      */
-    if( ssl->mfl_code == SSL_MAX_FRAG_LEN_NONE ||
+    if( ssl->mfl_code == MBEDTLS_SSL_MAX_FRAG_LEN_NONE ||
         len != 1 ||
         buf[0] != ssl->mfl_code )
     {
-        return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
     }
 
     return( 0 );
 }
-#endif /* POLARSSL_SSL_MAX_FRAGMENT_LENGTH */
+#endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
 
-#if defined(POLARSSL_SSL_TRUNCATED_HMAC)
-static int ssl_parse_truncated_hmac_ext( ssl_context *ssl,
+#if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
+static int ssl_parse_truncated_hmac_ext( mbedtls_ssl_context *ssl,
                                          const unsigned char *buf,
                                          size_t len )
 {
-    if( ssl->trunc_hmac == SSL_TRUNC_HMAC_DISABLED ||
+    if( ssl->trunc_hmac == MBEDTLS_SSL_TRUNC_HMAC_DISABLED ||
         len != 0 )
     {
-        return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
     }
 
     ((void) buf);
 
-    ssl->session_negotiate->trunc_hmac = SSL_TRUNC_HMAC_ENABLED;
+    ssl->session_negotiate->trunc_hmac = MBEDTLS_SSL_TRUNC_HMAC_ENABLED;
 
     return( 0 );
 }
-#endif /* POLARSSL_SSL_TRUNCATED_HMAC */
+#endif /* MBEDTLS_SSL_TRUNCATED_HMAC */
 
-#if defined(POLARSSL_SSL_ENCRYPT_THEN_MAC)
-static int ssl_parse_encrypt_then_mac_ext( ssl_context *ssl,
+#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
+static int ssl_parse_encrypt_then_mac_ext( mbedtls_ssl_context *ssl,
                                          const unsigned char *buf,
                                          size_t len )
 {
-    if( ssl->encrypt_then_mac == SSL_ETM_DISABLED ||
-        ssl->minor_ver == SSL_MINOR_VERSION_0 ||
+    if( ssl->encrypt_then_mac == MBEDTLS_SSL_ETM_DISABLED ||
+        ssl->minor_ver == MBEDTLS_SSL_MINOR_VERSION_0 ||
         len != 0 )
     {
-        return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
     }
 
     ((void) buf);
 
-    ssl->session_negotiate->encrypt_then_mac = SSL_ETM_ENABLED;
+    ssl->session_negotiate->encrypt_then_mac = MBEDTLS_SSL_ETM_ENABLED;
 
     return( 0 );
 }
-#endif /* POLARSSL_SSL_ENCRYPT_THEN_MAC */
+#endif /* MBEDTLS_SSL_ENCRYPT_THEN_MAC */
 
-#if defined(POLARSSL_SSL_EXTENDED_MASTER_SECRET)
-static int ssl_parse_extended_ms_ext( ssl_context *ssl,
+#if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
+static int ssl_parse_extended_ms_ext( mbedtls_ssl_context *ssl,
                                          const unsigned char *buf,
                                          size_t len )
 {
-    if( ssl->extended_ms == SSL_EXTENDED_MS_DISABLED ||
-        ssl->minor_ver == SSL_MINOR_VERSION_0 ||
+    if( ssl->extended_ms == MBEDTLS_SSL_EXTENDED_MS_DISABLED ||
+        ssl->minor_ver == MBEDTLS_SSL_MINOR_VERSION_0 ||
         len != 0 )
     {
-        return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
     }
 
     ((void) buf);
 
-    ssl->handshake->extended_ms = SSL_EXTENDED_MS_ENABLED;
+    ssl->handshake->extended_ms = MBEDTLS_SSL_EXTENDED_MS_ENABLED;
 
     return( 0 );
 }
-#endif /* POLARSSL_SSL_EXTENDED_MASTER_SECRET */
+#endif /* MBEDTLS_SSL_EXTENDED_MASTER_SECRET */
 
-#if defined(POLARSSL_SSL_SESSION_TICKETS)
-static int ssl_parse_session_ticket_ext( ssl_context *ssl,
+#if defined(MBEDTLS_SSL_SESSION_TICKETS)
+static int ssl_parse_session_ticket_ext( mbedtls_ssl_context *ssl,
                                          const unsigned char *buf,
                                          size_t len )
 {
-    if( ssl->session_tickets == SSL_SESSION_TICKETS_DISABLED ||
+    if( ssl->session_tickets == MBEDTLS_SSL_SESSION_TICKETS_DISABLED ||
         len != 0 )
     {
-        return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
     }
 
     ((void) buf);
@@ -1015,10 +1015,10 @@
 
     return( 0 );
 }
-#endif /* POLARSSL_SSL_SESSION_TICKETS */
+#endif /* MBEDTLS_SSL_SESSION_TICKETS */
 
-#if defined(POLARSSL_ECDH_C) || defined(POLARSSL_ECDSA_C)
-static int ssl_parse_supported_point_formats_ext( ssl_context *ssl,
+#if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C)
+static int ssl_parse_supported_point_formats_ext( mbedtls_ssl_context *ssl,
                                                   const unsigned char *buf,
                                                   size_t len )
 {
@@ -1028,18 +1028,18 @@
     list_size = buf[0];
     if( list_size + 1 != len )
     {
-        SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
-        return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
+        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
     }
 
     p = buf + 1;
     while( list_size > 0 )
     {
-        if( p[0] == POLARSSL_ECP_PF_UNCOMPRESSED ||
-            p[0] == POLARSSL_ECP_PF_COMPRESSED )
+        if( p[0] == MBEDTLS_ECP_PF_UNCOMPRESSED ||
+            p[0] == MBEDTLS_ECP_PF_COMPRESSED )
         {
             ssl->handshake->ecdh_ctx.point_format = p[0];
-            SSL_DEBUG_MSG( 4, ( "point format selected: %d", p[0] ) );
+            MBEDTLS_SSL_DEBUG_MSG( 4, ( "point format selected: %d", p[0] ) );
             return( 0 );
         }
 
@@ -1047,13 +1047,13 @@
         p++;
     }
 
-    SSL_DEBUG_MSG( 1, ( "no point format in common" ) );
-    return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+    MBEDTLS_SSL_DEBUG_MSG( 1, ( "no point format in common" ) );
+    return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
 }
-#endif /* POLARSSL_ECDH_C || POLARSSL_ECDSA_C */
+#endif /* MBEDTLS_ECDH_C || MBEDTLS_ECDSA_C */
 
-#if defined(POLARSSL_SSL_ALPN)
-static int ssl_parse_alpn_ext( ssl_context *ssl,
+#if defined(MBEDTLS_SSL_ALPN)
+static int ssl_parse_alpn_ext( mbedtls_ssl_context *ssl,
                                const unsigned char *buf, size_t len )
 {
     size_t list_len, name_len;
@@ -1061,7 +1061,7 @@
 
     /* If we didn't send it, the server shouldn't send it */
     if( ssl->alpn_list == NULL )
-        return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
 
     /*
      * opaque ProtocolName<1..2^8-1>;
@@ -1075,15 +1075,15 @@
 
     /* Min length is 2 (list_len) + 1 (name_len) + 1 (name) */
     if( len < 4 )
-        return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
 
     list_len = ( buf[0] << 8 ) | buf[1];
     if( list_len != len - 2 )
-        return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
 
     name_len = buf[2];
     if( name_len != list_len - 1 )
-        return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
 
     /* Check that the server chosen protocol was in our list and save it */
     for( p = ssl->alpn_list; *p != NULL; p++ )
@@ -1096,21 +1096,21 @@
         }
     }
 
-    return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+    return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
 }
-#endif /* POLARSSL_SSL_ALPN */
+#endif /* MBEDTLS_SSL_ALPN */
 
 /*
  * Parse HelloVerifyRequest.  Only called after verifying the HS type.
  */
-#if defined(POLARSSL_SSL_PROTO_DTLS)
-static int ssl_parse_hello_verify_request( ssl_context *ssl )
+#if defined(MBEDTLS_SSL_PROTO_DTLS)
+static int ssl_parse_hello_verify_request( mbedtls_ssl_context *ssl )
 {
-    const unsigned char *p = ssl->in_msg + ssl_hs_hdr_len( ssl );
+    const unsigned char *p = ssl->in_msg + mbedtls_ssl_hs_hdr_len( ssl );
     int major_ver, minor_ver;
     unsigned char cookie_len;
 
-    SSL_DEBUG_MSG( 2, ( "=> parse hello verify request" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> parse hello verify request" ) );
 
     /*
      * struct {
@@ -1118,128 +1118,128 @@
      *   opaque cookie<0..2^8-1>;
      * } HelloVerifyRequest;
      */
-    SSL_DEBUG_BUF( 3, "server version", p, 2 );
-    ssl_read_version( &major_ver, &minor_ver, ssl->transport, p );
+    MBEDTLS_SSL_DEBUG_BUF( 3, "server version", p, 2 );
+    mbedtls_ssl_read_version( &major_ver, &minor_ver, ssl->transport, p );
     p += 2;
 
     /*
      * Since the RFC is not clear on this point, accept DTLS 1.0 (TLS 1.1)
      * even is lower than our min version.
      */
-    if( major_ver < SSL_MAJOR_VERSION_3 ||
-        minor_ver < SSL_MINOR_VERSION_2 ||
+    if( major_ver < MBEDTLS_SSL_MAJOR_VERSION_3 ||
+        minor_ver < MBEDTLS_SSL_MINOR_VERSION_2 ||
         major_ver > ssl->max_major_ver  ||
         minor_ver > ssl->max_minor_ver  )
     {
-        SSL_DEBUG_MSG( 1, ( "bad server version" ) );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server version" ) );
 
-        ssl_send_alert_message( ssl, SSL_ALERT_LEVEL_FATAL,
-                                     SSL_ALERT_MSG_PROTOCOL_VERSION );
+        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                     MBEDTLS_SSL_ALERT_MSG_PROTOCOL_VERSION );
 
-        return( POLARSSL_ERR_SSL_BAD_HS_PROTOCOL_VERSION );
+        return( MBEDTLS_ERR_SSL_BAD_HS_PROTOCOL_VERSION );
     }
 
     cookie_len = *p++;
-    SSL_DEBUG_BUF( 3, "cookie", p, cookie_len );
+    MBEDTLS_SSL_DEBUG_BUF( 3, "cookie", p, cookie_len );
 
-    polarssl_free( ssl->handshake->verify_cookie );
+    mbedtls_free( ssl->handshake->verify_cookie );
 
-    ssl->handshake->verify_cookie = polarssl_malloc( cookie_len );
+    ssl->handshake->verify_cookie = mbedtls_malloc( cookie_len );
     if( ssl->handshake->verify_cookie  == NULL )
     {
-        SSL_DEBUG_MSG( 1, ( "malloc failed (%d bytes)", cookie_len ) );
-        return( POLARSSL_ERR_SSL_MALLOC_FAILED );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "malloc failed (%d bytes)", cookie_len ) );
+        return( MBEDTLS_ERR_SSL_MALLOC_FAILED );
     }
 
     memcpy( ssl->handshake->verify_cookie, p, cookie_len );
     ssl->handshake->verify_cookie_len = cookie_len;
 
     /* Start over at ClientHello */
-    ssl->state = SSL_CLIENT_HELLO;
-    ssl_reset_checksum( ssl );
+    ssl->state = MBEDTLS_SSL_CLIENT_HELLO;
+    mbedtls_ssl_reset_checksum( ssl );
 
-    ssl_recv_flight_completed( ssl );
+    mbedtls_ssl_recv_flight_completed( ssl );
 
-    SSL_DEBUG_MSG( 2, ( "<= parse hello verify request" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= parse hello verify request" ) );
 
     return( 0 );
 }
-#endif /* POLARSSL_SSL_PROTO_DTLS */
+#endif /* MBEDTLS_SSL_PROTO_DTLS */
 
-static int ssl_parse_server_hello( ssl_context *ssl )
+static int ssl_parse_server_hello( mbedtls_ssl_context *ssl )
 {
     int ret, i;
     size_t n;
     size_t ext_len;
     unsigned char *buf, *ext;
     unsigned char comp, accept_comp;
-#if defined(POLARSSL_SSL_RENEGOTIATION)
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
     int renegotiation_info_seen = 0;
 #endif
     int handshake_failure = 0;
-    const ssl_ciphersuite_t *suite_info;
-#if defined(POLARSSL_DEBUG_C)
+    const mbedtls_ssl_ciphersuite_t *suite_info;
+#if defined(MBEDTLS_DEBUG_C)
     uint32_t t;
 #endif
 
-    SSL_DEBUG_MSG( 2, ( "=> parse server hello" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> parse server hello" ) );
 
     buf = ssl->in_msg;
 
-    if( ( ret = ssl_read_record( ssl ) ) != 0 )
+    if( ( ret = mbedtls_ssl_read_record( ssl ) ) != 0 )
     {
-        SSL_DEBUG_RET( 1, "ssl_read_record", ret );
+        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_read_record", ret );
         return( ret );
     }
 
-    if( ssl->in_msgtype != SSL_MSG_HANDSHAKE )
+    if( ssl->in_msgtype != MBEDTLS_SSL_MSG_HANDSHAKE )
     {
-#if defined(POLARSSL_SSL_RENEGOTIATION)
-        if( ssl->renego_status == SSL_RENEGOTIATION_IN_PROGRESS )
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
+        if( ssl->renego_status == MBEDTLS_SSL_RENEGOTIATION_IN_PROGRESS )
         {
             ssl->renego_records_seen++;
 
             if( ssl->renego_max_records >= 0 &&
                 ssl->renego_records_seen > ssl->renego_max_records )
             {
-                SSL_DEBUG_MSG( 1, ( "renegotiation requested, "
+                MBEDTLS_SSL_DEBUG_MSG( 1, ( "renegotiation requested, "
                                     "but not honored by server" ) );
-                return( POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE );
+                return( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE );
             }
 
-            SSL_DEBUG_MSG( 1, ( "non-handshake message during renego" ) );
-            return( POLARSSL_ERR_SSL_WAITING_SERVER_HELLO_RENEGO );
+            MBEDTLS_SSL_DEBUG_MSG( 1, ( "non-handshake message during renego" ) );
+            return( MBEDTLS_ERR_SSL_WAITING_SERVER_HELLO_RENEGO );
         }
-#endif /* POLARSSL_SSL_RENEGOTIATION */
+#endif /* MBEDTLS_SSL_RENEGOTIATION */
 
-        SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
-        return( POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
+        return( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE );
     }
 
-#if defined(POLARSSL_SSL_PROTO_DTLS)
-    if( ssl->transport == SSL_TRANSPORT_DATAGRAM )
+#if defined(MBEDTLS_SSL_PROTO_DTLS)
+    if( ssl->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
     {
-        if( buf[0] == SSL_HS_HELLO_VERIFY_REQUEST )
+        if( buf[0] == MBEDTLS_SSL_HS_HELLO_VERIFY_REQUEST )
         {
-            SSL_DEBUG_MSG( 2, ( "received hello verify request" ) );
-            SSL_DEBUG_MSG( 2, ( "<= parse server hello" ) );
+            MBEDTLS_SSL_DEBUG_MSG( 2, ( "received hello verify request" ) );
+            MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= parse server hello" ) );
             return( ssl_parse_hello_verify_request( ssl ) );
         }
         else
         {
             /* We made it through the verification process */
-            polarssl_free( ssl->handshake->verify_cookie );
+            mbedtls_free( ssl->handshake->verify_cookie );
             ssl->handshake->verify_cookie = NULL;
             ssl->handshake->verify_cookie_len = 0;
         }
     }
-#endif /* POLARSSL_SSL_PROTO_DTLS */
+#endif /* MBEDTLS_SSL_PROTO_DTLS */
 
-    if( ssl->in_hslen < 38 + ssl_hs_hdr_len( ssl ) ||
-        buf[0] != SSL_HS_SERVER_HELLO )
+    if( ssl->in_hslen < 38 + mbedtls_ssl_hs_hdr_len( ssl ) ||
+        buf[0] != MBEDTLS_SSL_HS_SERVER_HELLO )
     {
-        SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
-        return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
+        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
     }
 
     /*
@@ -1253,10 +1253,10 @@
      * 38+n . 39+n  extensions length (optional)
      * 40+n .  ..   extensions
      */
-    buf += ssl_hs_hdr_len( ssl );
+    buf += mbedtls_ssl_hs_hdr_len( ssl );
 
-    SSL_DEBUG_BUF( 3, "server hello, version", buf + 0, 2 );
-    ssl_read_version( &ssl->major_ver, &ssl->minor_ver,
+    MBEDTLS_SSL_DEBUG_BUF( 3, "server hello, version", buf + 0, 2 );
+    mbedtls_ssl_read_version( &ssl->major_ver, &ssl->minor_ver,
                       ssl->transport, buf + 0 );
 
     if( ssl->major_ver < ssl->min_major_ver ||
@@ -1264,36 +1264,36 @@
         ssl->major_ver > ssl->max_major_ver ||
         ssl->minor_ver > ssl->max_minor_ver )
     {
-        SSL_DEBUG_MSG( 1, ( "server version out of bounds - "
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "server version out of bounds - "
                             " min: [%d:%d], server: [%d:%d], max: [%d:%d]",
                             ssl->min_major_ver, ssl->min_minor_ver,
                             ssl->major_ver, ssl->minor_ver,
                             ssl->max_major_ver, ssl->max_minor_ver ) );
 
-        ssl_send_alert_message( ssl, SSL_ALERT_LEVEL_FATAL,
-                                     SSL_ALERT_MSG_PROTOCOL_VERSION );
+        mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
+                                     MBEDTLS_SSL_ALERT_MSG_PROTOCOL_VERSION );
 
-        return( POLARSSL_ERR_SSL_BAD_HS_PROTOCOL_VERSION );
+        return( MBEDTLS_ERR_SSL_BAD_HS_PROTOCOL_VERSION );
     }
 
-#if defined(POLARSSL_DEBUG_C)
+#if defined(MBEDTLS_DEBUG_C)
     t = ( (uint32_t) buf[2] << 24 )
       | ( (uint32_t) buf[3] << 16 )
       | ( (uint32_t) buf[4] <<  8 )
       | ( (uint32_t) buf[5]       );
-    SSL_DEBUG_MSG( 3, ( "server hello, current time: %lu", t ) );
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "server hello, current time: %lu", t ) );
 #endif
 
     memcpy( ssl->handshake->randbytes + 32, buf + 2, 32 );
 
     n = buf[34];
 
-    SSL_DEBUG_BUF( 3,   "server hello, random bytes", buf + 2, 32 );
+    MBEDTLS_SSL_DEBUG_BUF( 3,   "server hello, random bytes", buf + 2, 32 );
 
     if( n > 32 )
     {
-        SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
-        return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
+        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
     }
 
     if( ssl->in_hslen > 39 + n )
@@ -1302,10 +1302,10 @@
                   | ( buf[39 + n]       ) );
 
         if( ( ext_len > 0 && ext_len < 4 ) ||
-            ssl->in_hslen != ssl_hs_hdr_len( ssl ) + 40 + n + ext_len )
+            ssl->in_hslen != mbedtls_ssl_hs_hdr_len( ssl ) + 40 + n + ext_len )
         {
-            SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
-            return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
+            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
         }
     }
     else if( ssl->in_hslen == 38 + n )
@@ -1314,8 +1314,8 @@
     }
     else
     {
-        SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
-        return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
+        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
     }
 
     /* ciphersuite (used later) */
@@ -1326,47 +1326,47 @@
      */
     comp = buf[37 + n];
 
-#if defined(POLARSSL_ZLIB_SUPPORT)
+#if defined(MBEDTLS_ZLIB_SUPPORT)
     accept_comp = 1;
 #else
     accept_comp = 0;
 #endif
 
     /* See comments in ssl_write_client_hello() */
-#if defined(POLARSSL_SSL_PROTO_DTLS)
-    if( ssl->transport == SSL_TRANSPORT_DATAGRAM )
+#if defined(MBEDTLS_SSL_PROTO_DTLS)
+    if( ssl->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
         accept_comp = 0;
 #endif
 
-    if( ( accept_comp == 0 && comp != SSL_COMPRESS_NULL ) ||
-        ( comp != SSL_COMPRESS_NULL && comp != SSL_COMPRESS_DEFLATE ) )
+    if( ( accept_comp == 0 && comp != MBEDTLS_SSL_COMPRESS_NULL ) ||
+        ( comp != MBEDTLS_SSL_COMPRESS_NULL && comp != MBEDTLS_SSL_COMPRESS_DEFLATE ) )
     {
-        SSL_DEBUG_MSG( 1, ( "server hello, bad compression: %d", comp ) );
-        return( POLARSSL_ERR_SSL_FEATURE_UNAVAILABLE );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "server hello, bad compression: %d", comp ) );
+        return( MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE );
     }
 
     /*
      * Initialize update checksum functions
      */
-    ssl->transform_negotiate->ciphersuite_info = ssl_ciphersuite_from_id( i );
+    ssl->transform_negotiate->ciphersuite_info = mbedtls_ssl_ciphersuite_from_id( i );
 
     if( ssl->transform_negotiate->ciphersuite_info == NULL )
     {
-        SSL_DEBUG_MSG( 1, ( "ciphersuite info for %04x not found", i ) );
-        return( POLARSSL_ERR_SSL_BAD_INPUT_DATA );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "ciphersuite info for %04x not found", i ) );
+        return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
     }
 
-    ssl_optimize_checksum( ssl, ssl->transform_negotiate->ciphersuite_info );
+    mbedtls_ssl_optimize_checksum( ssl, ssl->transform_negotiate->ciphersuite_info );
 
-    SSL_DEBUG_MSG( 3, ( "server hello, session id len.: %d", n ) );
-    SSL_DEBUG_BUF( 3,   "server hello, session id", buf + 35, n );
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "server hello, session id len.: %d", n ) );
+    MBEDTLS_SSL_DEBUG_BUF( 3,   "server hello, session id", buf + 35, n );
 
     /*
      * Check if the session can be resumed
      */
     if( ssl->handshake->resume == 0 || n == 0 ||
-#if defined(POLARSSL_SSL_RENEGOTIATION)
-        ssl->renego_status != SSL_INITIAL_HANDSHAKE ||
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
+        ssl->renego_status != MBEDTLS_SSL_INITIAL_HANDSHAKE ||
 #endif
         ssl->session_negotiate->ciphersuite != i ||
         ssl->session_negotiate->compression != comp ||
@@ -1375,7 +1375,7 @@
     {
         ssl->state++;
         ssl->handshake->resume = 0;
-#if defined(POLARSSL_HAVE_TIME)
+#if defined(MBEDTLS_HAVE_TIME)
         ssl->session_negotiate->start = time( NULL );
 #endif
         ssl->session_negotiate->ciphersuite = i;
@@ -1385,28 +1385,28 @@
     }
     else
     {
-        ssl->state = SSL_SERVER_CHANGE_CIPHER_SPEC;
+        ssl->state = MBEDTLS_SSL_SERVER_CHANGE_CIPHER_SPEC;
 
-        if( ( ret = ssl_derive_keys( ssl ) ) != 0 )
+        if( ( ret = mbedtls_ssl_derive_keys( ssl ) ) != 0 )
         {
-            SSL_DEBUG_RET( 1, "ssl_derive_keys", ret );
+            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_derive_keys", ret );
             return( ret );
         }
     }
 
-    SSL_DEBUG_MSG( 3, ( "%s session has been resumed",
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "%s session has been resumed",
                    ssl->handshake->resume ? "a" : "no" ) );
 
-    SSL_DEBUG_MSG( 3, ( "server hello, chosen ciphersuite: %d", i ) );
-    SSL_DEBUG_MSG( 3, ( "server hello, compress alg.: %d", buf[37 + n] ) );
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "server hello, chosen ciphersuite: %d", i ) );
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "server hello, compress alg.: %d", buf[37 + n] ) );
 
-    suite_info = ssl_ciphersuite_from_id( ssl->session_negotiate->ciphersuite );
+    suite_info = mbedtls_ssl_ciphersuite_from_id( ssl->session_negotiate->ciphersuite );
     if( suite_info == NULL ||
         ( ssl->arc4_disabled &&
-          suite_info->cipher == POLARSSL_CIPHER_ARC4_128 ) )
+          suite_info->cipher == MBEDTLS_CIPHER_ARC4_128 ) )
     {
-        SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
-        return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
+        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
     }
 
 
@@ -1415,8 +1415,8 @@
     {
         if( ssl->ciphersuite_list[ssl->minor_ver][i] == 0 )
         {
-            SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
-            return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
+            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
         }
 
         if( ssl->ciphersuite_list[ssl->minor_ver][i++] ==
@@ -1426,20 +1426,20 @@
         }
     }
 
-    if( comp != SSL_COMPRESS_NULL
-#if defined(POLARSSL_ZLIB_SUPPORT)
-        && comp != SSL_COMPRESS_DEFLATE
+    if( comp != MBEDTLS_SSL_COMPRESS_NULL
+#if defined(MBEDTLS_ZLIB_SUPPORT)
+        && comp != MBEDTLS_SSL_COMPRESS_DEFLATE
 #endif
       )
     {
-        SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
-        return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
+        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
     }
     ssl->session_negotiate->compression = comp;
 
     ext = buf + 40 + n;
 
-    SSL_DEBUG_MSG( 2, ( "server hello, total extension length: %d", ext_len ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "server hello, total extension length: %d", ext_len ) );
 
     while( ext_len )
     {
@@ -1450,15 +1450,15 @@
 
         if( ext_size + 4 > ext_len )
         {
-            SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
-            return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
+            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
         }
 
         switch( ext_id )
         {
-        case TLS_EXT_RENEGOTIATION_INFO:
-            SSL_DEBUG_MSG( 3, ( "found renegotiation extension" ) );
-#if defined(POLARSSL_SSL_RENEGOTIATION)
+        case MBEDTLS_TLS_EXT_RENEGOTIATION_INFO:
+            MBEDTLS_SSL_DEBUG_MSG( 3, ( "found renegotiation extension" ) );
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
             renegotiation_info_seen = 1;
 #endif
 
@@ -1468,9 +1468,9 @@
 
             break;
 
-#if defined(POLARSSL_SSL_MAX_FRAGMENT_LENGTH)
-        case TLS_EXT_MAX_FRAGMENT_LENGTH:
-            SSL_DEBUG_MSG( 3, ( "found max_fragment_length extension" ) );
+#if defined(MBEDTLS_SSL_MAX_FRAGMENT_LENGTH)
+        case MBEDTLS_TLS_EXT_MAX_FRAGMENT_LENGTH:
+            MBEDTLS_SSL_DEBUG_MSG( 3, ( "found max_fragment_length extension" ) );
 
             if( ( ret = ssl_parse_max_fragment_length_ext( ssl,
                             ext + 4, ext_size ) ) != 0 )
@@ -1479,11 +1479,11 @@
             }
 
             break;
-#endif /* POLARSSL_SSL_MAX_FRAGMENT_LENGTH */
+#endif /* MBEDTLS_SSL_MAX_FRAGMENT_LENGTH */
 
-#if defined(POLARSSL_SSL_TRUNCATED_HMAC)
-        case TLS_EXT_TRUNCATED_HMAC:
-            SSL_DEBUG_MSG( 3, ( "found truncated_hmac extension" ) );
+#if defined(MBEDTLS_SSL_TRUNCATED_HMAC)
+        case MBEDTLS_TLS_EXT_TRUNCATED_HMAC:
+            MBEDTLS_SSL_DEBUG_MSG( 3, ( "found truncated_hmac extension" ) );
 
             if( ( ret = ssl_parse_truncated_hmac_ext( ssl,
                             ext + 4, ext_size ) ) != 0 )
@@ -1492,11 +1492,11 @@
             }
 
             break;
-#endif /* POLARSSL_SSL_TRUNCATED_HMAC */
+#endif /* MBEDTLS_SSL_TRUNCATED_HMAC */
 
-#if defined(POLARSSL_SSL_ENCRYPT_THEN_MAC)
-        case TLS_EXT_ENCRYPT_THEN_MAC:
-            SSL_DEBUG_MSG( 3, ( "found encrypt_then_mac extension" ) );
+#if defined(MBEDTLS_SSL_ENCRYPT_THEN_MAC)
+        case MBEDTLS_TLS_EXT_ENCRYPT_THEN_MAC:
+            MBEDTLS_SSL_DEBUG_MSG( 3, ( "found encrypt_then_mac extension" ) );
 
             if( ( ret = ssl_parse_encrypt_then_mac_ext( ssl,
                             ext + 4, ext_size ) ) != 0 )
@@ -1505,11 +1505,11 @@
             }
 
             break;
-#endif /* POLARSSL_SSL_ENCRYPT_THEN_MAC */
+#endif /* MBEDTLS_SSL_ENCRYPT_THEN_MAC */
 
-#if defined(POLARSSL_SSL_EXTENDED_MASTER_SECRET)
-        case TLS_EXT_EXTENDED_MASTER_SECRET:
-            SSL_DEBUG_MSG( 3, ( "found extended_master_secret extension" ) );
+#if defined(MBEDTLS_SSL_EXTENDED_MASTER_SECRET)
+        case MBEDTLS_TLS_EXT_EXTENDED_MASTER_SECRET:
+            MBEDTLS_SSL_DEBUG_MSG( 3, ( "found extended_master_secret extension" ) );
 
             if( ( ret = ssl_parse_extended_ms_ext( ssl,
                             ext + 4, ext_size ) ) != 0 )
@@ -1518,11 +1518,11 @@
             }
 
             break;
-#endif /* POLARSSL_SSL_EXTENDED_MASTER_SECRET */
+#endif /* MBEDTLS_SSL_EXTENDED_MASTER_SECRET */
 
-#if defined(POLARSSL_SSL_SESSION_TICKETS)
-        case TLS_EXT_SESSION_TICKET:
-            SSL_DEBUG_MSG( 3, ( "found session_ticket extension" ) );
+#if defined(MBEDTLS_SSL_SESSION_TICKETS)
+        case MBEDTLS_TLS_EXT_SESSION_TICKET:
+            MBEDTLS_SSL_DEBUG_MSG( 3, ( "found session_ticket extension" ) );
 
             if( ( ret = ssl_parse_session_ticket_ext( ssl,
                             ext + 4, ext_size ) ) != 0 )
@@ -1531,11 +1531,11 @@
             }
 
             break;
-#endif /* POLARSSL_SSL_SESSION_TICKETS */
+#endif /* MBEDTLS_SSL_SESSION_TICKETS */
 
-#if defined(POLARSSL_ECDH_C) || defined(POLARSSL_ECDSA_C)
-        case TLS_EXT_SUPPORTED_POINT_FORMATS:
-            SSL_DEBUG_MSG( 3, ( "found supported_point_formats extension" ) );
+#if defined(MBEDTLS_ECDH_C) || defined(MBEDTLS_ECDSA_C)
+        case MBEDTLS_TLS_EXT_SUPPORTED_POINT_FORMATS:
+            MBEDTLS_SSL_DEBUG_MSG( 3, ( "found supported_point_formats extension" ) );
 
             if( ( ret = ssl_parse_supported_point_formats_ext( ssl,
                             ext + 4, ext_size ) ) != 0 )
@@ -1544,20 +1544,20 @@
             }
 
             break;
-#endif /* POLARSSL_ECDH_C || POLARSSL_ECDSA_C */
+#endif /* MBEDTLS_ECDH_C || MBEDTLS_ECDSA_C */
 
-#if defined(POLARSSL_SSL_ALPN)
-        case TLS_EXT_ALPN:
-            SSL_DEBUG_MSG( 3, ( "found alpn extension" ) );
+#if defined(MBEDTLS_SSL_ALPN)
+        case MBEDTLS_TLS_EXT_ALPN:
+            MBEDTLS_SSL_DEBUG_MSG( 3, ( "found alpn extension" ) );
 
             if( ( ret = ssl_parse_alpn_ext( ssl, ext + 4, ext_size ) ) != 0 )
                 return( ret );
 
             break;
-#endif /* POLARSSL_SSL_ALPN */
+#endif /* MBEDTLS_SSL_ALPN */
 
         default:
-            SSL_DEBUG_MSG( 3, ( "unknown extension found: %d (ignoring)",
+            MBEDTLS_SSL_DEBUG_MSG( 3, ( "unknown extension found: %d (ignoring)",
                            ext_id ) );
         }
 
@@ -1566,63 +1566,63 @@
 
         if( ext_len > 0 && ext_len < 4 )
         {
-            SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
-            return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello message" ) );
+            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
         }
     }
 
     /*
      * Renegotiation security checks
      */
-    if( ssl->secure_renegotiation == SSL_LEGACY_RENEGOTIATION &&
-        ssl->allow_legacy_renegotiation == SSL_LEGACY_BREAK_HANDSHAKE )
+    if( ssl->secure_renegotiation == MBEDTLS_SSL_LEGACY_RENEGOTIATION &&
+        ssl->allow_legacy_renegotiation == MBEDTLS_SSL_LEGACY_BREAK_HANDSHAKE )
     {
-        SSL_DEBUG_MSG( 1, ( "legacy renegotiation, breaking off handshake" ) );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "legacy renegotiation, breaking off handshake" ) );
         handshake_failure = 1;
     }
-#if defined(POLARSSL_SSL_RENEGOTIATION)
-    else if( ssl->renego_status == SSL_RENEGOTIATION_IN_PROGRESS &&
-             ssl->secure_renegotiation == SSL_SECURE_RENEGOTIATION &&
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
+    else if( ssl->renego_status == MBEDTLS_SSL_RENEGOTIATION_IN_PROGRESS &&
+             ssl->secure_renegotiation == MBEDTLS_SSL_SECURE_RENEGOTIATION &&
              renegotiation_info_seen == 0 )
     {
-        SSL_DEBUG_MSG( 1, ( "renegotiation_info extension missing (secure)" ) );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "renegotiation_info extension missing (secure)" ) );
         handshake_failure = 1;
     }
-    else if( ssl->renego_status == SSL_RENEGOTIATION_IN_PROGRESS &&
-             ssl->secure_renegotiation == SSL_LEGACY_RENEGOTIATION &&
-             ssl->allow_legacy_renegotiation == SSL_LEGACY_NO_RENEGOTIATION )
+    else if( ssl->renego_status == MBEDTLS_SSL_RENEGOTIATION_IN_PROGRESS &&
+             ssl->secure_renegotiation == MBEDTLS_SSL_LEGACY_RENEGOTIATION &&
+             ssl->allow_legacy_renegotiation == MBEDTLS_SSL_LEGACY_NO_RENEGOTIATION )
     {
-        SSL_DEBUG_MSG( 1, ( "legacy renegotiation not allowed" ) );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "legacy renegotiation not allowed" ) );
         handshake_failure = 1;
     }
-    else if( ssl->renego_status == SSL_RENEGOTIATION_IN_PROGRESS &&
-             ssl->secure_renegotiation == SSL_LEGACY_RENEGOTIATION &&
+    else if( ssl->renego_status == MBEDTLS_SSL_RENEGOTIATION_IN_PROGRESS &&
+             ssl->secure_renegotiation == MBEDTLS_SSL_LEGACY_RENEGOTIATION &&
              renegotiation_info_seen == 1 )
     {
-        SSL_DEBUG_MSG( 1, ( "renegotiation_info extension present (legacy)" ) );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "renegotiation_info extension present (legacy)" ) );
         handshake_failure = 1;
     }
-#endif /* POLARSSL_SSL_RENEGOTIATION */
+#endif /* MBEDTLS_SSL_RENEGOTIATION */
 
     if( handshake_failure == 1 )
     {
-        if( ( ret = ssl_send_fatal_handshake_failure( ssl ) ) != 0 )
+        if( ( ret = mbedtls_ssl_send_fatal_handshake_failure( ssl ) ) != 0 )
             return( ret );
 
-        return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO );
+        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO );
     }
 
-    SSL_DEBUG_MSG( 2, ( "<= parse server hello" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= parse server hello" ) );
 
     return( 0 );
 }
 
-#if defined(POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED) ||                       \
-    defined(POLARSSL_KEY_EXCHANGE_DHE_PSK_ENABLED)
-static int ssl_parse_server_dh_params( ssl_context *ssl, unsigned char **p,
+#if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) ||                       \
+    defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED)
+static int ssl_parse_server_dh_params( mbedtls_ssl_context *ssl, unsigned char **p,
                                        unsigned char *end )
 {
-    int ret = POLARSSL_ERR_SSL_FEATURE_UNAVAILABLE;
+    int ret = MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE;
 
     /*
      * Ephemeral DH parameters:
@@ -1633,72 +1633,72 @@
      *     opaque dh_Ys<1..2^16-1>;
      * } ServerDHParams;
      */
-    if( ( ret = dhm_read_params( &ssl->handshake->dhm_ctx, p, end ) ) != 0 )
+    if( ( ret = mbedtls_dhm_read_params( &ssl->handshake->dhm_ctx, p, end ) ) != 0 )
     {
-        SSL_DEBUG_RET( 2, ( "dhm_read_params" ), ret );
+        MBEDTLS_SSL_DEBUG_RET( 2, ( "mbedtls_dhm_read_params" ), ret );
         return( ret );
     }
 
     if( ssl->handshake->dhm_ctx.len < 64  ||
         ssl->handshake->dhm_ctx.len > 512 )
     {
-        SSL_DEBUG_MSG( 1, ( "bad server key exchange message (DHM length)" ) );
-        return( POLARSSL_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message (DHM length)" ) );
+        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
     }
 
-    SSL_DEBUG_MPI( 3, "DHM: P ", &ssl->handshake->dhm_ctx.P  );
-    SSL_DEBUG_MPI( 3, "DHM: G ", &ssl->handshake->dhm_ctx.G  );
-    SSL_DEBUG_MPI( 3, "DHM: GY", &ssl->handshake->dhm_ctx.GY );
+    MBEDTLS_SSL_DEBUG_MPI( 3, "DHM: P ", &ssl->handshake->dhm_ctx.P  );
+    MBEDTLS_SSL_DEBUG_MPI( 3, "DHM: G ", &ssl->handshake->dhm_ctx.G  );
+    MBEDTLS_SSL_DEBUG_MPI( 3, "DHM: GY", &ssl->handshake->dhm_ctx.GY );
 
     return( ret );
 }
-#endif /* POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED ||
-          POLARSSL_KEY_EXCHANGE_DHE_PSK_ENABLED */
+#endif /* MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED ||
+          MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED */
 
-#if defined(POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
-    defined(POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||                   \
-    defined(POLARSSL_KEY_EXCHANGE_ECDHE_PSK_ENABLED) ||                     \
-    defined(POLARSSL_KEY_EXCHANGE_ECDH_RSA_ENABLED) ||                      \
-    defined(POLARSSL_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
-static int ssl_check_server_ecdh_params( const ssl_context *ssl )
+#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||                   \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) ||                     \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) ||                      \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
+static int ssl_check_server_ecdh_params( const mbedtls_ssl_context *ssl )
 {
-    const ecp_curve_info *curve_info;
+    const mbedtls_ecp_curve_info *curve_info;
 
-    curve_info = ecp_curve_info_from_grp_id( ssl->handshake->ecdh_ctx.grp.id );
+    curve_info = mbedtls_ecp_curve_info_from_grp_id( ssl->handshake->ecdh_ctx.grp.id );
     if( curve_info == NULL )
     {
-        SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-        return( POLARSSL_ERR_SSL_INTERNAL_ERROR );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
+        return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
     }
 
-    SSL_DEBUG_MSG( 2, ( "ECDH curve: %s", curve_info->name ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "ECDH curve: %s", curve_info->name ) );
 
-#if defined(POLARSSL_SSL_SET_CURVES)
-    if( ! ssl_curve_is_acceptable( ssl, ssl->handshake->ecdh_ctx.grp.id ) )
+#if defined(MBEDTLS_SSL_SET_CURVES)
+    if( ! mbedtls_ssl_curve_is_acceptable( ssl, ssl->handshake->ecdh_ctx.grp.id ) )
 #else
     if( ssl->handshake->ecdh_ctx.grp.nbits < 163 ||
         ssl->handshake->ecdh_ctx.grp.nbits > 521 )
 #endif
         return( -1 );
 
-    SSL_DEBUG_ECP( 3, "ECDH: Qp", &ssl->handshake->ecdh_ctx.Qp );
+    MBEDTLS_SSL_DEBUG_ECP( 3, "ECDH: Qp", &ssl->handshake->ecdh_ctx.Qp );
 
     return( 0 );
 }
-#endif /* POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
-          POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED ||
-          POLARSSL_KEY_EXCHANGE_ECDHE_PSK_ENABLED ||
-          POLARSSL_KEY_EXCHANGE_ECDH_RSA_ENABLED ||
-          POLARSSL_KEY_EXCHANGE_ECDH_ECDSA_ENABLED */
+#endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
+          MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED ||
+          MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED ||
+          MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED ||
+          MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED */
 
-#if defined(POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
-    defined(POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||                   \
-    defined(POLARSSL_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
-static int ssl_parse_server_ecdh_params( ssl_context *ssl,
+#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||                   \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
+static int ssl_parse_server_ecdh_params( mbedtls_ssl_context *ssl,
                                          unsigned char **p,
                                          unsigned char *end )
 {
-    int ret = POLARSSL_ERR_SSL_FEATURE_UNAVAILABLE;
+    int ret = MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE;
 
     /*
      * Ephemeral ECDH parameters:
@@ -1708,31 +1708,31 @@
      *     ECPoint      public;
      * } ServerECDHParams;
      */
-    if( ( ret = ecdh_read_params( &ssl->handshake->ecdh_ctx,
+    if( ( ret = mbedtls_ecdh_read_params( &ssl->handshake->ecdh_ctx,
                                   (const unsigned char **) p, end ) ) != 0 )
     {
-        SSL_DEBUG_RET( 1, ( "ecdh_read_params" ), ret );
+        MBEDTLS_SSL_DEBUG_RET( 1, ( "mbedtls_ecdh_read_params" ), ret );
         return( ret );
     }
 
     if( ssl_check_server_ecdh_params( ssl ) != 0 )
     {
-        SSL_DEBUG_MSG( 1, ( "bad server key exchange message (ECDHE curve)" ) );
-        return( POLARSSL_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message (ECDHE curve)" ) );
+        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
     }
 
     return( ret );
 }
-#endif /* POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
-          POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED ||
-          POLARSSL_KEY_EXCHANGE_ECDHE_PSK_ENABLED */
+#endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
+          MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED ||
+          MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED */
 
-#if defined(POLARSSL_KEY_EXCHANGE__SOME__PSK_ENABLED)
-static int ssl_parse_server_psk_hint( ssl_context *ssl,
+#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
+static int ssl_parse_server_psk_hint( mbedtls_ssl_context *ssl,
                                       unsigned char **p,
                                       unsigned char *end )
 {
-    int ret = POLARSSL_ERR_SSL_FEATURE_UNAVAILABLE;
+    int ret = MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE;
     size_t  len;
     ((void) ssl);
 
@@ -1746,8 +1746,8 @@
 
     if( (*p) + len > end )
     {
-        SSL_DEBUG_MSG( 1, ( "bad server key exchange message (psk_identity_hint length)" ) );
-        return( POLARSSL_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message (psk_identity_hint length)" ) );
+        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
     }
 
     // TODO: Retrieve PSK identity hint and callback to app
@@ -1757,19 +1757,19 @@
 
     return( ret );
 }
-#endif /* POLARSSL_KEY_EXCHANGE__SOME__PSK_ENABLED */
+#endif /* MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED */
 
-#if defined(POLARSSL_KEY_EXCHANGE_RSA_ENABLED) ||                           \
-    defined(POLARSSL_KEY_EXCHANGE_RSA_PSK_ENABLED)
+#if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED) ||                           \
+    defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED)
 /*
  * Generate a pre-master secret and encrypt it with the server's RSA key
  */
-static int ssl_write_encrypted_pms( ssl_context *ssl,
+static int ssl_write_encrypted_pms( mbedtls_ssl_context *ssl,
                                     size_t offset, size_t *olen,
                                     size_t pms_offset )
 {
     int ret;
-    size_t len_bytes = ssl->minor_ver == SSL_MINOR_VERSION_0 ? 0 : 2;
+    size_t len_bytes = ssl->minor_ver == MBEDTLS_SSL_MINOR_VERSION_0 ? 0 : 2;
     unsigned char *p = ssl->handshake->premaster + pms_offset;
 
     /*
@@ -1779,12 +1779,12 @@
      *      opaque random[46];
      *  } PreMasterSecret;
      */
-    ssl_write_version( ssl->max_major_ver, ssl->max_minor_ver,
+    mbedtls_ssl_write_version( ssl->max_major_ver, ssl->max_minor_ver,
                        ssl->transport, p );
 
     if( ( ret = ssl->f_rng( ssl->p_rng, p + 2, 46 ) ) != 0 )
     {
-        SSL_DEBUG_RET( 1, "f_rng", ret );
+        MBEDTLS_SSL_DEBUG_RET( 1, "f_rng", ret );
         return( ret );
     }
 
@@ -1793,25 +1793,25 @@
     /*
      * Now write it out, encrypted
      */
-    if( ! pk_can_do( &ssl->session_negotiate->peer_cert->pk,
-                POLARSSL_PK_RSA ) )
+    if( ! mbedtls_pk_can_do( &ssl->session_negotiate->peer_cert->pk,
+                MBEDTLS_PK_RSA ) )
     {
-        SSL_DEBUG_MSG( 1, ( "certificate key type mismatch" ) );
-        return( POLARSSL_ERR_SSL_PK_TYPE_MISMATCH );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "certificate key type mismatch" ) );
+        return( MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH );
     }
 
-    if( ( ret = pk_encrypt( &ssl->session_negotiate->peer_cert->pk,
+    if( ( ret = mbedtls_pk_encrypt( &ssl->session_negotiate->peer_cert->pk,
                             p, ssl->handshake->pmslen,
                             ssl->out_msg + offset + len_bytes, olen,
-                            SSL_MAX_CONTENT_LEN - offset - len_bytes,
+                            MBEDTLS_SSL_MAX_CONTENT_LEN - offset - len_bytes,
                             ssl->f_rng, ssl->p_rng ) ) != 0 )
     {
-        SSL_DEBUG_RET( 1, "rsa_pkcs1_encrypt", ret );
+        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_rsa_pkcs1_encrypt", ret );
         return( ret );
     }
 
-#if defined(POLARSSL_SSL_PROTO_TLS1) || defined(POLARSSL_SSL_PROTO_TLS1_1) || \
-    defined(POLARSSL_SSL_PROTO_TLS1_2)
+#if defined(MBEDTLS_SSL_PROTO_TLS1) || defined(MBEDTLS_SSL_PROTO_TLS1_1) || \
+    defined(MBEDTLS_SSL_PROTO_TLS1_2)
     if( len_bytes == 2 )
     {
         ssl->out_msg[offset+0] = (unsigned char)( *olen >> 8 );
@@ -1822,110 +1822,110 @@
 
     return( 0 );
 }
-#endif /* POLARSSL_KEY_EXCHANGE_RSA_ENABLED ||
-          POLARSSL_KEY_EXCHANGE_RSA_PSK_ENABLED */
+#endif /* MBEDTLS_KEY_EXCHANGE_RSA_ENABLED ||
+          MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED */
 
-#if defined(POLARSSL_SSL_PROTO_TLS1_2)
-#if defined(POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED) ||                       \
-    defined(POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
-    defined(POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)
-static int ssl_parse_signature_algorithm( ssl_context *ssl,
+#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
+#if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) ||                       \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)
+static int ssl_parse_signature_algorithm( mbedtls_ssl_context *ssl,
                                           unsigned char **p,
                                           unsigned char *end,
-                                          md_type_t *md_alg,
-                                          pk_type_t *pk_alg )
+                                          mbedtls_md_type_t *md_alg,
+                                          mbedtls_pk_type_t *pk_alg )
 {
     ((void) ssl);
-    *md_alg = POLARSSL_MD_NONE;
-    *pk_alg = POLARSSL_PK_NONE;
+    *md_alg = MBEDTLS_MD_NONE;
+    *pk_alg = MBEDTLS_PK_NONE;
 
     /* Only in TLS 1.2 */
-    if( ssl->minor_ver != SSL_MINOR_VERSION_3 )
+    if( ssl->minor_ver != MBEDTLS_SSL_MINOR_VERSION_3 )
     {
         return( 0 );
     }
 
     if( (*p) + 2 > end )
-        return( POLARSSL_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
 
     /*
      * Get hash algorithm
      */
-    if( ( *md_alg = ssl_md_alg_from_hash( (*p)[0] ) ) == POLARSSL_MD_NONE )
+    if( ( *md_alg = mbedtls_ssl_md_alg_from_hash( (*p)[0] ) ) == MBEDTLS_MD_NONE )
     {
-        SSL_DEBUG_MSG( 2, ( "Server used unsupported "
+        MBEDTLS_SSL_DEBUG_MSG( 2, ( "Server used unsupported "
                             "HashAlgorithm %d", *(p)[0] ) );
-        return( POLARSSL_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
     }
 
     /*
      * Get signature algorithm
      */
-    if( ( *pk_alg = ssl_pk_alg_from_sig( (*p)[1] ) ) == POLARSSL_PK_NONE )
+    if( ( *pk_alg = mbedtls_ssl_pk_alg_from_sig( (*p)[1] ) ) == MBEDTLS_PK_NONE )
     {
-        SSL_DEBUG_MSG( 2, ( "server used unsupported "
+        MBEDTLS_SSL_DEBUG_MSG( 2, ( "server used unsupported "
                             "SignatureAlgorithm %d", (*p)[1] ) );
-        return( POLARSSL_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
     }
 
-    SSL_DEBUG_MSG( 2, ( "Server used SignatureAlgorithm %d", (*p)[1] ) );
-    SSL_DEBUG_MSG( 2, ( "Server used HashAlgorithm %d", (*p)[0] ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "Server used SignatureAlgorithm %d", (*p)[1] ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "Server used HashAlgorithm %d", (*p)[0] ) );
     *p += 2;
 
     return( 0 );
 }
-#endif /* POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED ||
-          POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
-          POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED */
-#endif /* POLARSSL_SSL_PROTO_TLS1_2 */
+#endif /* MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED ||
+          MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
+          MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED */
+#endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
 
 
-#if defined(POLARSSL_KEY_EXCHANGE_ECDH_RSA_ENABLED) || \
-    defined(POLARSSL_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
-static int ssl_get_ecdh_params_from_cert( ssl_context *ssl )
+#if defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) || \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
+static int ssl_get_ecdh_params_from_cert( mbedtls_ssl_context *ssl )
 {
     int ret;
-    const ecp_keypair *peer_key;
+    const mbedtls_ecp_keypair *peer_key;
 
-    if( ! pk_can_do( &ssl->session_negotiate->peer_cert->pk,
-                     POLARSSL_PK_ECKEY ) )
+    if( ! mbedtls_pk_can_do( &ssl->session_negotiate->peer_cert->pk,
+                     MBEDTLS_PK_ECKEY ) )
     {
-        SSL_DEBUG_MSG( 1, ( "server key not ECDH capable" ) );
-        return( POLARSSL_ERR_SSL_PK_TYPE_MISMATCH );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "server key not ECDH capable" ) );
+        return( MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH );
     }
 
-    peer_key = pk_ec( ssl->session_negotiate->peer_cert->pk );
+    peer_key = mbedtls_pk_ec( ssl->session_negotiate->peer_cert->pk );
 
-    if( ( ret = ecdh_get_params( &ssl->handshake->ecdh_ctx, peer_key,
-                                 POLARSSL_ECDH_THEIRS ) ) != 0 )
+    if( ( ret = mbedtls_ecdh_get_params( &ssl->handshake->ecdh_ctx, peer_key,
+                                 MBEDTLS_ECDH_THEIRS ) ) != 0 )
     {
-        SSL_DEBUG_RET( 1, ( "ecdh_get_params" ), ret );
+        MBEDTLS_SSL_DEBUG_RET( 1, ( "mbedtls_ecdh_get_params" ), ret );
         return( ret );
     }
 
     if( ssl_check_server_ecdh_params( ssl ) != 0 )
     {
-        SSL_DEBUG_MSG( 1, ( "bad server certificate (ECDH curve)" ) );
-        return( POLARSSL_ERR_SSL_BAD_HS_CERTIFICATE );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server certificate (ECDH curve)" ) );
+        return( MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE );
     }
 
     return( ret );
 }
-#endif /* POLARSSL_KEY_EXCHANGE_ECDH_RSA_ENABLED) ||
-          POLARSSL_KEY_EXCHANGE_ECDH_ECDSA_ENABLED */
+#endif /* MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) ||
+          MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED */
 
-static int ssl_parse_server_key_exchange( ssl_context *ssl )
+static int ssl_parse_server_key_exchange( mbedtls_ssl_context *ssl )
 {
     int ret;
-    const ssl_ciphersuite_t *ciphersuite_info = ssl->transform_negotiate->ciphersuite_info;
+    const mbedtls_ssl_ciphersuite_t *ciphersuite_info = ssl->transform_negotiate->ciphersuite_info;
     unsigned char *p, *end;
 
-    SSL_DEBUG_MSG( 2, ( "=> parse server key exchange" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> parse server key exchange" ) );
 
-#if defined(POLARSSL_KEY_EXCHANGE_RSA_ENABLED)
-    if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_RSA )
+#if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED)
+    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA )
     {
-        SSL_DEBUG_MSG( 2, ( "<= skip parse server key exchange" ) );
+        MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip parse server key exchange" ) );
         ssl->state++;
         return( 0 );
     }
@@ -1933,167 +1933,167 @@
     ((void) end);
 #endif
 
-#if defined(POLARSSL_KEY_EXCHANGE_ECDH_RSA_ENABLED) || \
-    defined(POLARSSL_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
-    if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_ECDH_RSA ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_ECDH_ECDSA )
+#if defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) || \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
+    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_RSA ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA )
     {
         if( ( ret = ssl_get_ecdh_params_from_cert( ssl ) ) != 0 )
         {
-            SSL_DEBUG_RET( 1, "ssl_get_ecdh_params_from_cert", ret );
+            MBEDTLS_SSL_DEBUG_RET( 1, "ssl_get_ecdh_params_from_cert", ret );
             return( ret );
         }
 
-        SSL_DEBUG_MSG( 2, ( "<= skip parse server key exchange" ) );
+        MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip parse server key exchange" ) );
         ssl->state++;
         return( 0 );
     }
     ((void) p);
     ((void) end);
-#endif /* POLARSSL_KEY_EXCHANGE_ECDH_RSA_ENABLED ||
-          POLARSSL_KEY_EXCHANGE_ECDH_ECDSA_ENABLED */
+#endif /* MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED ||
+          MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED */
 
-    if( ( ret = ssl_read_record( ssl ) ) != 0 )
+    if( ( ret = mbedtls_ssl_read_record( ssl ) ) != 0 )
     {
-        SSL_DEBUG_RET( 1, "ssl_read_record", ret );
+        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_read_record", ret );
         return( ret );
     }
 
-    if( ssl->in_msgtype != SSL_MSG_HANDSHAKE )
+    if( ssl->in_msgtype != MBEDTLS_SSL_MSG_HANDSHAKE )
     {
-        SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
-        return( POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
+        return( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE );
     }
 
     /*
      * ServerKeyExchange may be skipped with PSK and RSA-PSK when the server
      * doesn't use a psk_identity_hint
      */
-    if( ssl->in_msg[0] != SSL_HS_SERVER_KEY_EXCHANGE )
+    if( ssl->in_msg[0] != MBEDTLS_SSL_HS_SERVER_KEY_EXCHANGE )
     {
-        if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_PSK ||
-            ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_RSA_PSK )
+        if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK ||
+            ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK )
         {
             ssl->record_read = 1;
             goto exit;
         }
 
-        SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
-        return( POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
+        return( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE );
     }
 
-    p   = ssl->in_msg + ssl_hs_hdr_len( ssl );
+    p   = ssl->in_msg + mbedtls_ssl_hs_hdr_len( ssl );
     end = ssl->in_msg + ssl->in_hslen;
-    SSL_DEBUG_BUF( 3,   "server key exchange", p, end - p );
+    MBEDTLS_SSL_DEBUG_BUF( 3,   "server key exchange", p, end - p );
 
-#if defined(POLARSSL_KEY_EXCHANGE__SOME__PSK_ENABLED)
-    if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_PSK ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_RSA_PSK ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_DHE_PSK ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_ECDHE_PSK )
+#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
+    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK )
     {
         if( ssl_parse_server_psk_hint( ssl, &p, end ) != 0 )
         {
-            SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
-            return( POLARSSL_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
+            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
         }
     } /* FALLTROUGH */
-#endif /* POLARSSL_KEY_EXCHANGE__SOME__PSK_ENABLED */
+#endif /* MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED */
 
-#if defined(POLARSSL_KEY_EXCHANGE_PSK_ENABLED) ||                       \
-    defined(POLARSSL_KEY_EXCHANGE_RSA_PSK_ENABLED)
-    if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_PSK ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_RSA_PSK )
+#if defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED) ||                       \
+    defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED)
+    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK )
         ; /* nothing more to do */
     else
-#endif /* POLARSSL_KEY_EXCHANGE_PSK_ENABLED ||
-          POLARSSL_KEY_EXCHANGE_RSA_PSK_ENABLED */
-#if defined(POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED) ||                       \
-    defined(POLARSSL_KEY_EXCHANGE_DHE_PSK_ENABLED)
-    if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_DHE_RSA ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_DHE_PSK )
+#endif /* MBEDTLS_KEY_EXCHANGE_PSK_ENABLED ||
+          MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED */
+#if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) ||                       \
+    defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED)
+    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_RSA ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK )
     {
         if( ssl_parse_server_dh_params( ssl, &p, end ) != 0 )
         {
-            SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
-            return( POLARSSL_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
+            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
         }
     }
     else
-#endif /* POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED ||
-          POLARSSL_KEY_EXCHANGE_DHE_PSK_ENABLED */
-#if defined(POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
-    defined(POLARSSL_KEY_EXCHANGE_ECDHE_PSK_ENABLED) ||                     \
-    defined(POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)
-    if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_ECDHE_RSA ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_ECDHE_PSK ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA )
+#endif /* MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED ||
+          MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED */
+#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED) ||                     \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)
+    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_RSA ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA )
     {
         if( ssl_parse_server_ecdh_params( ssl, &p, end ) != 0 )
         {
-            SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
-            return( POLARSSL_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
+            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
         }
     }
     else
-#endif /* POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
-          POLARSSL_KEY_EXCHANGE_ECDHE_PSK_ENABLED ||
-          POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED */
+#endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
+          MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED ||
+          MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED */
     {
-        SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-        return( POLARSSL_ERR_SSL_INTERNAL_ERROR );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
+        return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
     }
 
-#if defined(POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED) ||                       \
-    defined(POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
-    defined(POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)
-    if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_DHE_RSA ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_ECDHE_RSA ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA )
+#if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED) ||                       \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)
+    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_RSA ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_RSA ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA )
     {
         size_t sig_len, hashlen;
         unsigned char hash[64];
-        md_type_t md_alg = POLARSSL_MD_NONE;
-        pk_type_t pk_alg = POLARSSL_PK_NONE;
-        unsigned char *params = ssl->in_msg + ssl_hs_hdr_len( ssl );
+        mbedtls_md_type_t md_alg = MBEDTLS_MD_NONE;
+        mbedtls_pk_type_t pk_alg = MBEDTLS_PK_NONE;
+        unsigned char *params = ssl->in_msg + mbedtls_ssl_hs_hdr_len( ssl );
         size_t params_len = p - params;
 
         /*
          * Handle the digitally-signed structure
          */
-#if defined(POLARSSL_SSL_PROTO_TLS1_2)
-        if( ssl->minor_ver == SSL_MINOR_VERSION_3 )
+#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
+        if( ssl->minor_ver == MBEDTLS_SSL_MINOR_VERSION_3 )
         {
             if( ssl_parse_signature_algorithm( ssl, &p, end,
                                                &md_alg, &pk_alg ) != 0 )
             {
-                SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
-                return( POLARSSL_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+                MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
+                return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
             }
 
-            if( pk_alg != ssl_get_ciphersuite_sig_pk_alg( ciphersuite_info ) )
+            if( pk_alg != mbedtls_ssl_get_ciphersuite_sig_pk_alg( ciphersuite_info ) )
             {
-                SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
-                return( POLARSSL_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+                MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
+                return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
             }
         }
         else
-#endif /* POLARSSL_SSL_PROTO_TLS1_2 */
-#if defined(POLARSSL_SSL_PROTO_SSL3) || defined(POLARSSL_SSL_PROTO_TLS1) || \
-    defined(POLARSSL_SSL_PROTO_TLS1_1)
-        if( ssl->minor_ver < SSL_MINOR_VERSION_3 )
+#endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
+#if defined(MBEDTLS_SSL_PROTO_SSL3) || defined(MBEDTLS_SSL_PROTO_TLS1) || \
+    defined(MBEDTLS_SSL_PROTO_TLS1_1)
+        if( ssl->minor_ver < MBEDTLS_SSL_MINOR_VERSION_3 )
         {
-            pk_alg = ssl_get_ciphersuite_sig_pk_alg( ciphersuite_info );
+            pk_alg = mbedtls_ssl_get_ciphersuite_sig_pk_alg( ciphersuite_info );
 
             /* Default hash for ECDSA is SHA-1 */
-            if( pk_alg == POLARSSL_PK_ECDSA && md_alg == POLARSSL_MD_NONE )
-                md_alg = POLARSSL_MD_SHA1;
+            if( pk_alg == MBEDTLS_PK_ECDSA && md_alg == MBEDTLS_MD_NONE )
+                md_alg = MBEDTLS_MD_SHA1;
         }
         else
 #endif
         {
-            SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-            return( POLARSSL_ERR_SSL_INTERNAL_ERROR );
+            MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
+            return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
         }
 
         /*
@@ -2104,24 +2104,24 @@
 
         if( end != p + sig_len )
         {
-            SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
-            return( POLARSSL_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
+            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
+            return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE );
         }
 
-        SSL_DEBUG_BUF( 3, "signature", p, sig_len );
+        MBEDTLS_SSL_DEBUG_BUF( 3, "signature", p, sig_len );
 
         /*
          * Compute the hash that has been signed
          */
-#if defined(POLARSSL_SSL_PROTO_SSL3) || defined(POLARSSL_SSL_PROTO_TLS1) || \
-    defined(POLARSSL_SSL_PROTO_TLS1_1)
-        if( md_alg == POLARSSL_MD_NONE )
+#if defined(MBEDTLS_SSL_PROTO_SSL3) || defined(MBEDTLS_SSL_PROTO_TLS1) || \
+    defined(MBEDTLS_SSL_PROTO_TLS1_1)
+        if( md_alg == MBEDTLS_MD_NONE )
         {
-            md5_context md5;
-            sha1_context sha1;
+            mbedtls_md5_context mbedtls_md5;
+            mbedtls_sha1_context mbedtls_sha1;
 
-            md5_init(  &md5  );
-            sha1_init( &sha1 );
+            mbedtls_md5_init(  &mbedtls_md5  );
+            mbedtls_sha1_init( &mbedtls_sha1 );
 
             hashlen = 36;
 
@@ -2138,29 +2138,29 @@
              *     SHA(ClientHello.random + ServerHello.random
              *                            + ServerParams);
              */
-            md5_starts( &md5 );
-            md5_update( &md5, ssl->handshake->randbytes, 64 );
-            md5_update( &md5, params, params_len );
-            md5_finish( &md5, hash );
+            mbedtls_md5_starts( &mbedtls_md5 );
+            mbedtls_md5_update( &mbedtls_md5, ssl->handshake->randbytes, 64 );
+            mbedtls_md5_update( &mbedtls_md5, params, params_len );
+            mbedtls_md5_finish( &mbedtls_md5, hash );
 
-            sha1_starts( &sha1 );
-            sha1_update( &sha1, ssl->handshake->randbytes, 64 );
-            sha1_update( &sha1, params, params_len );
-            sha1_finish( &sha1, hash + 16 );
+            mbedtls_sha1_starts( &mbedtls_sha1 );
+            mbedtls_sha1_update( &mbedtls_sha1, ssl->handshake->randbytes, 64 );
+            mbedtls_sha1_update( &mbedtls_sha1, params, params_len );
+            mbedtls_sha1_finish( &mbedtls_sha1, hash + 16 );
 
-            md5_free(  &md5  );
-            sha1_free( &sha1 );
+            mbedtls_md5_free(  &mbedtls_md5  );
+            mbedtls_sha1_free( &mbedtls_sha1 );
         }
         else
-#endif /* POLARSSL_SSL_PROTO_SSL3 || POLARSSL_SSL_PROTO_TLS1 || \
-          POLARSSL_SSL_PROTO_TLS1_1 */
-#if defined(POLARSSL_SSL_PROTO_TLS1) || defined(POLARSSL_SSL_PROTO_TLS1_1) || \
-    defined(POLARSSL_SSL_PROTO_TLS1_2)
-        if( md_alg != POLARSSL_MD_NONE )
+#endif /* MBEDTLS_SSL_PROTO_SSL3 || MBEDTLS_SSL_PROTO_TLS1 || \
+          MBEDTLS_SSL_PROTO_TLS1_1 */
+#if defined(MBEDTLS_SSL_PROTO_TLS1) || defined(MBEDTLS_SSL_PROTO_TLS1_1) || \
+    defined(MBEDTLS_SSL_PROTO_TLS1_2)
+        if( md_alg != MBEDTLS_MD_NONE )
         {
-            md_context_t ctx;
+            mbedtls_md_context_t ctx;
 
-            md_init( &ctx );
+            mbedtls_md_init( &ctx );
 
             /* Info from md_alg will be used instead */
             hashlen = 0;
@@ -2172,114 +2172,114 @@
              *     ServerDHParams params;
              * };
              */
-            if( ( ret = md_setup( &ctx,
-                                     md_info_from_type( md_alg ), 0 ) ) != 0 )
+            if( ( ret = mbedtls_md_setup( &ctx,
+                                     mbedtls_md_info_from_type( md_alg ), 0 ) ) != 0 )
             {
-                SSL_DEBUG_RET( 1, "md_setup", ret );
+                MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_md_setup", ret );
                 return( ret );
             }
 
-            md_starts( &ctx );
-            md_update( &ctx, ssl->handshake->randbytes, 64 );
-            md_update( &ctx, params, params_len );
-            md_finish( &ctx, hash );
-            md_free( &ctx );
+            mbedtls_md_starts( &ctx );
+            mbedtls_md_update( &ctx, ssl->handshake->randbytes, 64 );
+            mbedtls_md_update( &ctx, params, params_len );
+            mbedtls_md_finish( &ctx, hash );
+            mbedtls_md_free( &ctx );
         }
         else
-#endif /* POLARSSL_SSL_PROTO_TLS1 || POLARSSL_SSL_PROTO_TLS1_1 || \
-          POLARSSL_SSL_PROTO_TLS1_2 */
+#endif /* MBEDTLS_SSL_PROTO_TLS1 || MBEDTLS_SSL_PROTO_TLS1_1 || \
+          MBEDTLS_SSL_PROTO_TLS1_2 */
         {
-            SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-            return( POLARSSL_ERR_SSL_INTERNAL_ERROR );
+            MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
+            return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
         }
 
-        SSL_DEBUG_BUF( 3, "parameters hash", hash, hashlen != 0 ? hashlen :
-            (unsigned int) ( md_get_size( md_info_from_type( md_alg ) ) ) );
+        MBEDTLS_SSL_DEBUG_BUF( 3, "parameters hash", hash, hashlen != 0 ? hashlen :
+            (unsigned int) ( mbedtls_md_get_size( mbedtls_md_info_from_type( md_alg ) ) ) );
 
         /*
          * Verify signature
          */
-        if( ! pk_can_do( &ssl->session_negotiate->peer_cert->pk, pk_alg ) )
+        if( ! mbedtls_pk_can_do( &ssl->session_negotiate->peer_cert->pk, pk_alg ) )
         {
-            SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
-            return( POLARSSL_ERR_SSL_PK_TYPE_MISMATCH );
+            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
+            return( MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH );
         }
 
-        if( ( ret = pk_verify( &ssl->session_negotiate->peer_cert->pk,
+        if( ( ret = mbedtls_pk_verify( &ssl->session_negotiate->peer_cert->pk,
                                md_alg, hash, hashlen, p, sig_len ) ) != 0 )
         {
-            SSL_DEBUG_RET( 1, "pk_verify", ret );
+            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_pk_verify", ret );
             return( ret );
         }
     }
-#endif /* POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED ||
-          POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
-          POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED */
+#endif /* MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED ||
+          MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
+          MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED */
 
 exit:
     ssl->state++;
 
-    SSL_DEBUG_MSG( 2, ( "<= parse server key exchange" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= parse server key exchange" ) );
 
     return( 0 );
 }
 
-#if !defined(POLARSSL_KEY_EXCHANGE_RSA_ENABLED)       && \
-    !defined(POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED)   && \
-    !defined(POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED) && \
-    !defined(POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)
-static int ssl_parse_certificate_request( ssl_context *ssl )
+#if !defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED)       && \
+    !defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED)   && \
+    !defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) && \
+    !defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)
+static int ssl_parse_certificate_request( mbedtls_ssl_context *ssl )
 {
-    const ssl_ciphersuite_t *ciphersuite_info = ssl->transform_negotiate->ciphersuite_info;
+    const mbedtls_ssl_ciphersuite_t *ciphersuite_info = ssl->transform_negotiate->ciphersuite_info;
 
-    SSL_DEBUG_MSG( 2, ( "=> parse certificate request" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> parse certificate request" ) );
 
-    if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_PSK ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_RSA_PSK ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_DHE_PSK ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_ECDHE_PSK )
+    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK )
     {
-        SSL_DEBUG_MSG( 2, ( "<= skip parse certificate request" ) );
+        MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip parse certificate request" ) );
         ssl->state++;
         return( 0 );
     }
 
-    SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-    return( POLARSSL_ERR_SSL_INTERNAL_ERROR );
+    MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
+    return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
 }
 #else
-static int ssl_parse_certificate_request( ssl_context *ssl )
+static int ssl_parse_certificate_request( mbedtls_ssl_context *ssl )
 {
     int ret;
     unsigned char *buf, *p;
     size_t n = 0, m = 0;
     size_t cert_type_len = 0, dn_len = 0;
-    const ssl_ciphersuite_t *ciphersuite_info = ssl->transform_negotiate->ciphersuite_info;
+    const mbedtls_ssl_ciphersuite_t *ciphersuite_info = ssl->transform_negotiate->ciphersuite_info;
 
-    SSL_DEBUG_MSG( 2, ( "=> parse certificate request" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> parse certificate request" ) );
 
-    if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_PSK ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_RSA_PSK ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_DHE_PSK ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_ECDHE_PSK )
+    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK )
     {
-        SSL_DEBUG_MSG( 2, ( "<= skip parse certificate request" ) );
+        MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip parse certificate request" ) );
         ssl->state++;
         return( 0 );
     }
 
     if( ssl->record_read == 0 )
     {
-        if( ( ret = ssl_read_record( ssl ) ) != 0 )
+        if( ( ret = mbedtls_ssl_read_record( ssl ) ) != 0 )
         {
-            SSL_DEBUG_RET( 1, "ssl_read_record", ret );
+            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_read_record", ret );
             return( ret );
         }
 
-        if( ssl->in_msgtype != SSL_MSG_HANDSHAKE )
+        if( ssl->in_msgtype != MBEDTLS_SSL_MSG_HANDSHAKE )
         {
-            SSL_DEBUG_MSG( 1, ( "bad certificate request message" ) );
-            return( POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE );
+            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad certificate request message" ) );
+            return( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE );
         }
 
         ssl->record_read = 1;
@@ -2288,10 +2288,10 @@
     ssl->client_auth = 0;
     ssl->state++;
 
-    if( ssl->in_msg[0] == SSL_HS_CERTIFICATE_REQUEST )
+    if( ssl->in_msg[0] == MBEDTLS_SSL_HS_CERTIFICATE_REQUEST )
         ssl->client_auth++;
 
-    SSL_DEBUG_MSG( 3, ( "got %s certificate request",
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "got %s certificate request",
                         ssl->client_auth ? "a" : "no" ) );
 
     if( ssl->client_auth == 0 )
@@ -2314,32 +2314,32 @@
 
     // Retrieve cert types
     //
-    cert_type_len = buf[ssl_hs_hdr_len( ssl )];
+    cert_type_len = buf[mbedtls_ssl_hs_hdr_len( ssl )];
     n = cert_type_len;
 
-    if( ssl->in_hslen < ssl_hs_hdr_len( ssl ) + 2 + n )
+    if( ssl->in_hslen < mbedtls_ssl_hs_hdr_len( ssl ) + 2 + n )
     {
-        SSL_DEBUG_MSG( 1, ( "bad certificate request message" ) );
-        return( POLARSSL_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad certificate request message" ) );
+        return( MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST );
     }
 
-    p = buf + ssl_hs_hdr_len( ssl ) + 1;
+    p = buf + mbedtls_ssl_hs_hdr_len( ssl ) + 1;
     while( cert_type_len > 0 )
     {
-#if defined(POLARSSL_RSA_C)
-        if( *p == SSL_CERT_TYPE_RSA_SIGN &&
-            pk_can_do( ssl_own_key( ssl ), POLARSSL_PK_RSA ) )
+#if defined(MBEDTLS_RSA_C)
+        if( *p == MBEDTLS_SSL_CERT_TYPE_RSA_SIGN &&
+            mbedtls_pk_can_do( mbedtls_ssl_own_key( ssl ), MBEDTLS_PK_RSA ) )
         {
-            ssl->handshake->cert_type = SSL_CERT_TYPE_RSA_SIGN;
+            ssl->handshake->cert_type = MBEDTLS_SSL_CERT_TYPE_RSA_SIGN;
             break;
         }
         else
 #endif
-#if defined(POLARSSL_ECDSA_C)
-        if( *p == SSL_CERT_TYPE_ECDSA_SIGN &&
-            pk_can_do( ssl_own_key( ssl ), POLARSSL_PK_ECDSA ) )
+#if defined(MBEDTLS_ECDSA_C)
+        if( *p == MBEDTLS_SSL_CERT_TYPE_ECDSA_SIGN &&
+            mbedtls_pk_can_do( mbedtls_ssl_own_key( ssl ), MBEDTLS_PK_ECDSA ) )
         {
-            ssl->handshake->cert_type = SSL_CERT_TYPE_ECDSA_SIGN;
+            ssl->handshake->cert_type = MBEDTLS_SSL_CERT_TYPE_ECDSA_SIGN;
             break;
         }
         else
@@ -2352,99 +2352,99 @@
         p++;
     }
 
-#if defined(POLARSSL_SSL_PROTO_TLS1_2)
-    if( ssl->minor_ver == SSL_MINOR_VERSION_3 )
+#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
+    if( ssl->minor_ver == MBEDTLS_SSL_MINOR_VERSION_3 )
     {
         /* Ignored, see comments about hash in write_certificate_verify */
         // TODO: should check the signature part against our pk_key though
-        size_t sig_alg_len = ( ( buf[ssl_hs_hdr_len( ssl ) + 1 + n] <<  8 )
-                             | ( buf[ssl_hs_hdr_len( ssl ) + 2 + n]       ) );
+        size_t sig_alg_len = ( ( buf[mbedtls_ssl_hs_hdr_len( ssl ) + 1 + n] <<  8 )
+                             | ( buf[mbedtls_ssl_hs_hdr_len( ssl ) + 2 + n]       ) );
 
-        p = buf + ssl_hs_hdr_len( ssl ) + 3 + n;
+        p = buf + mbedtls_ssl_hs_hdr_len( ssl ) + 3 + n;
         m += 2;
         n += sig_alg_len;
 
-        if( ssl->in_hslen < ssl_hs_hdr_len( ssl ) + 2 + n )
+        if( ssl->in_hslen < mbedtls_ssl_hs_hdr_len( ssl ) + 2 + n )
         {
-            SSL_DEBUG_MSG( 1, ( "bad certificate request message" ) );
-            return( POLARSSL_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST );
+            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad certificate request message" ) );
+            return( MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST );
         }
     }
-#endif /* POLARSSL_SSL_PROTO_TLS1_2 */
+#endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
 
     /* Ignore certificate_authorities, we only have one cert anyway */
     // TODO: should not send cert if no CA matches
-    dn_len = ( ( buf[ssl_hs_hdr_len( ssl ) + 1 + m + n] <<  8 )
-             | ( buf[ssl_hs_hdr_len( ssl ) + 2 + m + n]       ) );
+    dn_len = ( ( buf[mbedtls_ssl_hs_hdr_len( ssl ) + 1 + m + n] <<  8 )
+             | ( buf[mbedtls_ssl_hs_hdr_len( ssl ) + 2 + m + n]       ) );
 
     n += dn_len;
-    if( ssl->in_hslen != ssl_hs_hdr_len( ssl ) + 3 + m + n )
+    if( ssl->in_hslen != mbedtls_ssl_hs_hdr_len( ssl ) + 3 + m + n )
     {
-        SSL_DEBUG_MSG( 1, ( "bad certificate request message" ) );
-        return( POLARSSL_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad certificate request message" ) );
+        return( MBEDTLS_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST );
     }
 
 exit:
-    SSL_DEBUG_MSG( 2, ( "<= parse certificate request" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= parse certificate request" ) );
 
     return( 0 );
 }
-#endif /* !POLARSSL_KEY_EXCHANGE_RSA_ENABLED &&
-          !POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED &&
-          !POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED &&
-          !POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED */
+#endif /* !MBEDTLS_KEY_EXCHANGE_RSA_ENABLED &&
+          !MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED &&
+          !MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED &&
+          !MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED */
 
-static int ssl_parse_server_hello_done( ssl_context *ssl )
+static int ssl_parse_server_hello_done( mbedtls_ssl_context *ssl )
 {
     int ret;
 
-    SSL_DEBUG_MSG( 2, ( "=> parse server hello done" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> parse server hello done" ) );
 
     if( ssl->record_read == 0 )
     {
-        if( ( ret = ssl_read_record( ssl ) ) != 0 )
+        if( ( ret = mbedtls_ssl_read_record( ssl ) ) != 0 )
         {
-            SSL_DEBUG_RET( 1, "ssl_read_record", ret );
+            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_read_record", ret );
             return( ret );
         }
 
-        if( ssl->in_msgtype != SSL_MSG_HANDSHAKE )
+        if( ssl->in_msgtype != MBEDTLS_SSL_MSG_HANDSHAKE )
         {
-            SSL_DEBUG_MSG( 1, ( "bad server hello done message" ) );
-            return( POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE );
+            MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello done message" ) );
+            return( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE );
         }
     }
     ssl->record_read = 0;
 
-    if( ssl->in_hslen  != ssl_hs_hdr_len( ssl ) ||
-        ssl->in_msg[0] != SSL_HS_SERVER_HELLO_DONE )
+    if( ssl->in_hslen  != mbedtls_ssl_hs_hdr_len( ssl ) ||
+        ssl->in_msg[0] != MBEDTLS_SSL_HS_SERVER_HELLO_DONE )
     {
-        SSL_DEBUG_MSG( 1, ( "bad server hello done message" ) );
-        return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO_DONE );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server hello done message" ) );
+        return( MBEDTLS_ERR_SSL_BAD_HS_SERVER_HELLO_DONE );
     }
 
     ssl->state++;
 
-#if defined(POLARSSL_SSL_PROTO_DTLS)
-    if( ssl->transport == SSL_TRANSPORT_DATAGRAM )
-        ssl_recv_flight_completed( ssl );
+#if defined(MBEDTLS_SSL_PROTO_DTLS)
+    if( ssl->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM )
+        mbedtls_ssl_recv_flight_completed( ssl );
 #endif
 
-    SSL_DEBUG_MSG( 2, ( "<= parse server hello done" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= parse server hello done" ) );
 
     return( 0 );
 }
 
-static int ssl_write_client_key_exchange( ssl_context *ssl )
+static int ssl_write_client_key_exchange( mbedtls_ssl_context *ssl )
 {
     int ret;
     size_t i, n;
-    const ssl_ciphersuite_t *ciphersuite_info = ssl->transform_negotiate->ciphersuite_info;
+    const mbedtls_ssl_ciphersuite_t *ciphersuite_info = ssl->transform_negotiate->ciphersuite_info;
 
-    SSL_DEBUG_MSG( 2, ( "=> write client key exchange" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> write client key exchange" ) );
 
-#if defined(POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED)
-    if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_DHE_RSA )
+#if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED)
+    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_RSA )
     {
         /*
          * DHM key exchange -- send G^X mod P
@@ -2455,88 +2455,88 @@
         ssl->out_msg[5] = (unsigned char)( n      );
         i = 6;
 
-        ret = dhm_make_public( &ssl->handshake->dhm_ctx,
-                                (int) mpi_size( &ssl->handshake->dhm_ctx.P ),
+        ret = mbedtls_dhm_make_public( &ssl->handshake->dhm_ctx,
+                                (int) mbedtls_mpi_size( &ssl->handshake->dhm_ctx.P ),
                                &ssl->out_msg[i], n,
                                 ssl->f_rng, ssl->p_rng );
         if( ret != 0 )
         {
-            SSL_DEBUG_RET( 1, "dhm_make_public", ret );
+            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_dhm_make_public", ret );
             return( ret );
         }
 
-        SSL_DEBUG_MPI( 3, "DHM: X ", &ssl->handshake->dhm_ctx.X  );
-        SSL_DEBUG_MPI( 3, "DHM: GX", &ssl->handshake->dhm_ctx.GX );
+        MBEDTLS_SSL_DEBUG_MPI( 3, "DHM: X ", &ssl->handshake->dhm_ctx.X  );
+        MBEDTLS_SSL_DEBUG_MPI( 3, "DHM: GX", &ssl->handshake->dhm_ctx.GX );
 
-        ssl->handshake->pmslen = POLARSSL_PREMASTER_SIZE;
+        ssl->handshake->pmslen = MBEDTLS_PREMASTER_SIZE;
 
-        if( ( ret = dhm_calc_secret( &ssl->handshake->dhm_ctx,
+        if( ( ret = mbedtls_dhm_calc_secret( &ssl->handshake->dhm_ctx,
                                       ssl->handshake->premaster,
                                      &ssl->handshake->pmslen,
                                       ssl->f_rng, ssl->p_rng ) ) != 0 )
         {
-            SSL_DEBUG_RET( 1, "dhm_calc_secret", ret );
+            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_dhm_calc_secret", ret );
             return( ret );
         }
 
-        SSL_DEBUG_MPI( 3, "DHM: K ", &ssl->handshake->dhm_ctx.K  );
+        MBEDTLS_SSL_DEBUG_MPI( 3, "DHM: K ", &ssl->handshake->dhm_ctx.K  );
     }
     else
-#endif /* POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED */
-#if defined(POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
-    defined(POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||                   \
-    defined(POLARSSL_KEY_EXCHANGE_ECDH_RSA_ENABLED) ||                      \
-    defined(POLARSSL_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
-    if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_ECDHE_RSA ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_ECDH_RSA ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_ECDH_ECDSA )
+#endif /* MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED */
+#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) ||                     \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED) ||                   \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED) ||                      \
+    defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
+    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_RSA ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_RSA ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA )
     {
         /*
          * ECDH key exchange -- send client public value
          */
         i = 4;
 
-        ret = ecdh_make_public( &ssl->handshake->ecdh_ctx,
+        ret = mbedtls_ecdh_make_public( &ssl->handshake->ecdh_ctx,
                                 &n,
                                 &ssl->out_msg[i], 1000,
                                 ssl->f_rng, ssl->p_rng );
         if( ret != 0 )
         {
-            SSL_DEBUG_RET( 1, "ecdh_make_public", ret );
+            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ecdh_make_public", ret );
             return( ret );
         }
 
-        SSL_DEBUG_ECP( 3, "ECDH: Q", &ssl->handshake->ecdh_ctx.Q );
+        MBEDTLS_SSL_DEBUG_ECP( 3, "ECDH: Q", &ssl->handshake->ecdh_ctx.Q );
 
-        if( ( ret = ecdh_calc_secret( &ssl->handshake->ecdh_ctx,
+        if( ( ret = mbedtls_ecdh_calc_secret( &ssl->handshake->ecdh_ctx,
                                       &ssl->handshake->pmslen,
                                        ssl->handshake->premaster,
-                                       POLARSSL_MPI_MAX_SIZE,
+                                       MBEDTLS_MPI_MAX_SIZE,
                                        ssl->f_rng, ssl->p_rng ) ) != 0 )
         {
-            SSL_DEBUG_RET( 1, "ecdh_calc_secret", ret );
+            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ecdh_calc_secret", ret );
             return( ret );
         }
 
-        SSL_DEBUG_MPI( 3, "ECDH: z", &ssl->handshake->ecdh_ctx.z );
+        MBEDTLS_SSL_DEBUG_MPI( 3, "ECDH: z", &ssl->handshake->ecdh_ctx.z );
     }
     else
-#endif /* POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
-          POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED ||
-          POLARSSL_KEY_EXCHANGE_ECDH_RSA_ENABLED ||
-          POLARSSL_KEY_EXCHANGE_ECDH_ECDSA_ENABLED */
-#if defined(POLARSSL_KEY_EXCHANGE__SOME__PSK_ENABLED)
-    if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_PSK ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_RSA_PSK ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_DHE_PSK ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_ECDHE_PSK )
+#endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED ||
+          MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED ||
+          MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED ||
+          MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED */
+#if defined(MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED)
+    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK )
     {
         /*
          * opaque psk_identity<0..2^16-1>;
          */
         if( ssl->psk == NULL || ssl->psk_identity == NULL )
-            return( POLARSSL_ERR_SSL_PRIVATE_KEY_REQUIRED );
+            return( MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED );
 
         i = 4;
         n = ssl->psk_identity_len;
@@ -2546,23 +2546,23 @@
         memcpy( ssl->out_msg + i, ssl->psk_identity, ssl->psk_identity_len );
         i += ssl->psk_identity_len;
 
-#if defined(POLARSSL_KEY_EXCHANGE_PSK_ENABLED)
-        if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_PSK )
+#if defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED)
+        if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK )
         {
             n = 0;
         }
         else
 #endif
-#if defined(POLARSSL_KEY_EXCHANGE_RSA_PSK_ENABLED)
-        if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_RSA_PSK )
+#if defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED)
+        if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK )
         {
             if( ( ret = ssl_write_encrypted_pms( ssl, i, &n, 2 ) ) != 0 )
                 return( ret );
         }
         else
 #endif
-#if defined(POLARSSL_KEY_EXCHANGE_DHE_PSK_ENABLED)
-        if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_DHE_PSK )
+#if defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED)
+        if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK )
         {
             /*
              * ClientDiffieHellmanPublic public (DHM send G^X mod P)
@@ -2571,153 +2571,153 @@
             ssl->out_msg[i++] = (unsigned char)( n >> 8 );
             ssl->out_msg[i++] = (unsigned char)( n      );
 
-            ret = dhm_make_public( &ssl->handshake->dhm_ctx,
-                    (int) mpi_size( &ssl->handshake->dhm_ctx.P ),
+            ret = mbedtls_dhm_make_public( &ssl->handshake->dhm_ctx,
+                    (int) mbedtls_mpi_size( &ssl->handshake->dhm_ctx.P ),
                     &ssl->out_msg[i], n,
                     ssl->f_rng, ssl->p_rng );
             if( ret != 0 )
             {
-                SSL_DEBUG_RET( 1, "dhm_make_public", ret );
+                MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_dhm_make_public", ret );
                 return( ret );
             }
         }
         else
-#endif /* POLARSSL_KEY_EXCHANGE_DHE_PSK_ENABLED */
-#if defined(POLARSSL_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
-        if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_ECDHE_PSK )
+#endif /* MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED */
+#if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
+        if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK )
         {
             /*
              * ClientECDiffieHellmanPublic public;
              */
-            ret = ecdh_make_public( &ssl->handshake->ecdh_ctx, &n,
-                    &ssl->out_msg[i], SSL_MAX_CONTENT_LEN - i,
+            ret = mbedtls_ecdh_make_public( &ssl->handshake->ecdh_ctx, &n,
+                    &ssl->out_msg[i], MBEDTLS_SSL_MAX_CONTENT_LEN - i,
                     ssl->f_rng, ssl->p_rng );
             if( ret != 0 )
             {
-                SSL_DEBUG_RET( 1, "ecdh_make_public", ret );
+                MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ecdh_make_public", ret );
                 return( ret );
             }
 
-            SSL_DEBUG_ECP( 3, "ECDH: Q", &ssl->handshake->ecdh_ctx.Q );
+            MBEDTLS_SSL_DEBUG_ECP( 3, "ECDH: Q", &ssl->handshake->ecdh_ctx.Q );
         }
         else
-#endif /* POLARSSL_KEY_EXCHANGE_ECDHE_PSK_ENABLED */
+#endif /* MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED */
         {
-            SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-            return( POLARSSL_ERR_SSL_INTERNAL_ERROR );
+            MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
+            return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
         }
 
-        if( ( ret = ssl_psk_derive_premaster( ssl,
+        if( ( ret = mbedtls_ssl_psk_derive_premaster( ssl,
                         ciphersuite_info->key_exchange ) ) != 0 )
         {
-            SSL_DEBUG_RET( 1, "ssl_psk_derive_premaster", ret );
+            MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_psk_derive_premaster", ret );
             return( ret );
         }
     }
     else
-#endif /* POLARSSL_KEY_EXCHANGE__SOME__PSK_ENABLED */
-#if defined(POLARSSL_KEY_EXCHANGE_RSA_ENABLED)
-    if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_RSA )
+#endif /* MBEDTLS_KEY_EXCHANGE__SOME__PSK_ENABLED */
+#if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED)
+    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA )
     {
         i = 4;
         if( ( ret = ssl_write_encrypted_pms( ssl, i, &n, 0 ) ) != 0 )
             return( ret );
     }
     else
-#endif /* POLARSSL_KEY_EXCHANGE_RSA_ENABLED */
+#endif /* MBEDTLS_KEY_EXCHANGE_RSA_ENABLED */
     {
         ((void) ciphersuite_info);
-        SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-        return( POLARSSL_ERR_SSL_INTERNAL_ERROR );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
+        return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
     }
 
     ssl->out_msglen  = i + n;
-    ssl->out_msgtype = SSL_MSG_HANDSHAKE;
-    ssl->out_msg[0]  = SSL_HS_CLIENT_KEY_EXCHANGE;
+    ssl->out_msgtype = MBEDTLS_SSL_MSG_HANDSHAKE;
+    ssl->out_msg[0]  = MBEDTLS_SSL_HS_CLIENT_KEY_EXCHANGE;
 
     ssl->state++;
 
-    if( ( ret = ssl_write_record( ssl ) ) != 0 )
+    if( ( ret = mbedtls_ssl_write_record( ssl ) ) != 0 )
     {
-        SSL_DEBUG_RET( 1, "ssl_write_record", ret );
+        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_write_record", ret );
         return( ret );
     }
 
-    SSL_DEBUG_MSG( 2, ( "<= write client key exchange" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= write client key exchange" ) );
 
     return( 0 );
 }
 
-#if !defined(POLARSSL_KEY_EXCHANGE_RSA_ENABLED)       && \
-    !defined(POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED)   && \
-    !defined(POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED) && \
-    !defined(POLARSSL_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)
-static int ssl_write_certificate_verify( ssl_context *ssl )
+#if !defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED)       && \
+    !defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED)   && \
+    !defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED) && \
+    !defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)
+static int ssl_write_certificate_verify( mbedtls_ssl_context *ssl )
 {
-    const ssl_ciphersuite_t *ciphersuite_info = ssl->transform_negotiate->ciphersuite_info;
+    const mbedtls_ssl_ciphersuite_t *ciphersuite_info = ssl->transform_negotiate->ciphersuite_info;
     int ret;
 
-    SSL_DEBUG_MSG( 2, ( "=> write certificate verify" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> write certificate verify" ) );
 
-    if( ( ret = ssl_derive_keys( ssl ) ) != 0 )
+    if( ( ret = mbedtls_ssl_derive_keys( ssl ) ) != 0 )
     {
-        SSL_DEBUG_RET( 1, "ssl_derive_keys", ret );
+        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_derive_keys", ret );
         return( ret );
     }
 
-    if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_PSK ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_RSA_PSK ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_ECDHE_PSK ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_DHE_PSK )
+    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK )
     {
-        SSL_DEBUG_MSG( 2, ( "<= skip write certificate verify" ) );
+        MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip write certificate verify" ) );
         ssl->state++;
         return( 0 );
     }
 
-    SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-    return( POLARSSL_ERR_SSL_INTERNAL_ERROR );
+    MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
+    return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
 }
 #else
-static int ssl_write_certificate_verify( ssl_context *ssl )
+static int ssl_write_certificate_verify( mbedtls_ssl_context *ssl )
 {
-    int ret = POLARSSL_ERR_SSL_FEATURE_UNAVAILABLE;
-    const ssl_ciphersuite_t *ciphersuite_info = ssl->transform_negotiate->ciphersuite_info;
+    int ret = MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE;
+    const mbedtls_ssl_ciphersuite_t *ciphersuite_info = ssl->transform_negotiate->ciphersuite_info;
     size_t n = 0, offset = 0;
     unsigned char hash[48];
     unsigned char *hash_start = hash;
-    md_type_t md_alg = POLARSSL_MD_NONE;
+    mbedtls_md_type_t md_alg = MBEDTLS_MD_NONE;
     unsigned int hashlen;
 
-    SSL_DEBUG_MSG( 2, ( "=> write certificate verify" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> write certificate verify" ) );
 
-    if( ( ret = ssl_derive_keys( ssl ) ) != 0 )
+    if( ( ret = mbedtls_ssl_derive_keys( ssl ) ) != 0 )
     {
-        SSL_DEBUG_RET( 1, "ssl_derive_keys", ret );
+        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_derive_keys", ret );
         return( ret );
     }
 
-    if( ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_PSK ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_RSA_PSK ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_ECDHE_PSK ||
-        ciphersuite_info->key_exchange == POLARSSL_KEY_EXCHANGE_DHE_PSK )
+    if( ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_PSK ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_RSA_PSK ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_ECDHE_PSK ||
+        ciphersuite_info->key_exchange == MBEDTLS_KEY_EXCHANGE_DHE_PSK )
     {
-        SSL_DEBUG_MSG( 2, ( "<= skip write certificate verify" ) );
+        MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip write certificate verify" ) );
         ssl->state++;
         return( 0 );
     }
 
-    if( ssl->client_auth == 0 || ssl_own_cert( ssl ) == NULL )
+    if( ssl->client_auth == 0 || mbedtls_ssl_own_cert( ssl ) == NULL )
     {
-        SSL_DEBUG_MSG( 2, ( "<= skip write certificate verify" ) );
+        MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= skip write certificate verify" ) );
         ssl->state++;
         return( 0 );
     }
 
-    if( ssl_own_key( ssl ) == NULL )
+    if( mbedtls_ssl_own_key( ssl ) == NULL )
     {
-        SSL_DEBUG_MSG( 1, ( "got no private key" ) );
-        return( POLARSSL_ERR_SSL_PRIVATE_KEY_REQUIRED );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "got no private key" ) );
+        return( MBEDTLS_ERR_SSL_PRIVATE_KEY_REQUIRED );
     }
 
     /*
@@ -2725,9 +2725,9 @@
      */
     ssl->handshake->calc_verify( ssl, hash );
 
-#if defined(POLARSSL_SSL_PROTO_SSL3) || defined(POLARSSL_SSL_PROTO_TLS1) || \
-    defined(POLARSSL_SSL_PROTO_TLS1_1)
-    if( ssl->minor_ver != SSL_MINOR_VERSION_3 )
+#if defined(MBEDTLS_SSL_PROTO_SSL3) || defined(MBEDTLS_SSL_PROTO_TLS1) || \
+    defined(MBEDTLS_SSL_PROTO_TLS1_1)
+    if( ssl->minor_ver != MBEDTLS_SSL_MINOR_VERSION_3 )
     {
         /*
          * digitally-signed struct {
@@ -2742,23 +2742,23 @@
          *     SHA(handshake_messages);
          */
         hashlen = 36;
-        md_alg = POLARSSL_MD_NONE;
+        md_alg = MBEDTLS_MD_NONE;
 
         /*
          * For ECDSA, default hash is SHA-1 only
          */
-        if( pk_can_do( ssl_own_key( ssl ), POLARSSL_PK_ECDSA ) )
+        if( mbedtls_pk_can_do( mbedtls_ssl_own_key( ssl ), MBEDTLS_PK_ECDSA ) )
         {
             hash_start += 16;
             hashlen -= 16;
-            md_alg = POLARSSL_MD_SHA1;
+            md_alg = MBEDTLS_MD_SHA1;
         }
     }
     else
-#endif /* POLARSSL_SSL_PROTO_SSL3 || POLARSSL_SSL_PROTO_TLS1 || \
-          POLARSSL_SSL_PROTO_TLS1_1 */
-#if defined(POLARSSL_SSL_PROTO_TLS1_2)
-    if( ssl->minor_ver == SSL_MINOR_VERSION_3 )
+#endif /* MBEDTLS_SSL_PROTO_SSL3 || MBEDTLS_SSL_PROTO_TLS1 || \
+          MBEDTLS_SSL_PROTO_TLS1_1 */
+#if defined(MBEDTLS_SSL_PROTO_TLS1_2)
+    if( ssl->minor_ver == MBEDTLS_SSL_MINOR_VERSION_3 )
     {
         /*
          * digitally-signed struct {
@@ -2776,34 +2776,34 @@
          *         in order to satisfy 'weird' needs from the server side.
          */
         if( ssl->transform_negotiate->ciphersuite_info->mac ==
-            POLARSSL_MD_SHA384 )
+            MBEDTLS_MD_SHA384 )
         {
-            md_alg = POLARSSL_MD_SHA384;
-            ssl->out_msg[4] = SSL_HASH_SHA384;
+            md_alg = MBEDTLS_MD_SHA384;
+            ssl->out_msg[4] = MBEDTLS_SSL_HASH_SHA384;
         }
         else
         {
-            md_alg = POLARSSL_MD_SHA256;
-            ssl->out_msg[4] = SSL_HASH_SHA256;
+            md_alg = MBEDTLS_MD_SHA256;
+            ssl->out_msg[4] = MBEDTLS_SSL_HASH_SHA256;
         }
-        ssl->out_msg[5] = ssl_sig_from_pk( ssl_own_key( ssl ) );
+        ssl->out_msg[5] = mbedtls_ssl_sig_from_pk( mbedtls_ssl_own_key( ssl ) );
 
         /* Info from md_alg will be used instead */
         hashlen = 0;
         offset = 2;
     }
     else
-#endif /* POLARSSL_SSL_PROTO_TLS1_2 */
+#endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
     {
-        SSL_DEBUG_MSG( 1, ( "should never happen" ) );
-        return( POLARSSL_ERR_SSL_INTERNAL_ERROR );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
+        return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
     }
 
-    if( ( ret = pk_sign( ssl_own_key( ssl ), md_alg, hash_start, hashlen,
+    if( ( ret = mbedtls_pk_sign( mbedtls_ssl_own_key( ssl ), md_alg, hash_start, hashlen,
                          ssl->out_msg + 6 + offset, &n,
                          ssl->f_rng, ssl->p_rng ) ) != 0 )
     {
-        SSL_DEBUG_RET( 1, "pk_sign", ret );
+        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_pk_sign", ret );
         return( ret );
     }
 
@@ -2811,27 +2811,27 @@
     ssl->out_msg[5 + offset] = (unsigned char)( n      );
 
     ssl->out_msglen  = 6 + n + offset;
-    ssl->out_msgtype = SSL_MSG_HANDSHAKE;
-    ssl->out_msg[0]  = SSL_HS_CERTIFICATE_VERIFY;
+    ssl->out_msgtype = MBEDTLS_SSL_MSG_HANDSHAKE;
+    ssl->out_msg[0]  = MBEDTLS_SSL_HS_CERTIFICATE_VERIFY;
 
     ssl->state++;
 
-    if( ( ret = ssl_write_record( ssl ) ) != 0 )
+    if( ( ret = mbedtls_ssl_write_record( ssl ) ) != 0 )
     {
-        SSL_DEBUG_RET( 1, "ssl_write_record", ret );
+        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_write_record", ret );
         return( ret );
     }
 
-    SSL_DEBUG_MSG( 2, ( "<= write certificate verify" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= write certificate verify" ) );
 
     return( ret );
 }
-#endif /* !POLARSSL_KEY_EXCHANGE_RSA_ENABLED &&
-          !POLARSSL_KEY_EXCHANGE_DHE_RSA_ENABLED &&
-          !POLARSSL_KEY_EXCHANGE_ECDHE_RSA_ENABLED */
+#endif /* !MBEDTLS_KEY_EXCHANGE_RSA_ENABLED &&
+          !MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED &&
+          !MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED */
 
-#if defined(POLARSSL_SSL_SESSION_TICKETS)
-static int ssl_parse_new_session_ticket( ssl_context *ssl )
+#if defined(MBEDTLS_SSL_SESSION_TICKETS)
+static int ssl_parse_new_session_ticket( mbedtls_ssl_context *ssl )
 {
     int ret;
     uint32_t lifetime;
@@ -2839,18 +2839,18 @@
     unsigned char *ticket;
     const unsigned char *msg;
 
-    SSL_DEBUG_MSG( 2, ( "=> parse new session ticket" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> parse new session ticket" ) );
 
-    if( ( ret = ssl_read_record( ssl ) ) != 0 )
+    if( ( ret = mbedtls_ssl_read_record( ssl ) ) != 0 )
     {
-        SSL_DEBUG_RET( 1, "ssl_read_record", ret );
+        MBEDTLS_SSL_DEBUG_RET( 1, "mbedtls_ssl_read_record", ret );
         return( ret );
     }
 
-    if( ssl->in_msgtype != SSL_MSG_HANDSHAKE )
+    if( ssl->in_msgtype != MBEDTLS_SSL_MSG_HANDSHAKE )
     {
-        SSL_DEBUG_MSG( 1, ( "bad new session ticket message" ) );
-        return( POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad new session ticket message" ) );
+        return( MBEDTLS_ERR_SSL_UNEXPECTED_MESSAGE );
     }
 
     /*
@@ -2863,31 +2863,31 @@
      * 4  .  5   ticket_len (n)
      * 6  .  5+n ticket content
      */
-    if( ssl->in_msg[0] != SSL_HS_NEW_SESSION_TICKET ||
-        ssl->in_hslen < 6 + ssl_hs_hdr_len( ssl ) )
+    if( ssl->in_msg[0] != MBEDTLS_SSL_HS_NEW_SESSION_TICKET ||
+        ssl->in_hslen < 6 + mbedtls_ssl_hs_hdr_len( ssl ) )
     {
-        SSL_DEBUG_MSG( 1, ( "bad new session ticket message" ) );
-        return( POLARSSL_ERR_SSL_BAD_HS_NEW_SESSION_TICKET );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad new session ticket message" ) );
+        return( MBEDTLS_ERR_SSL_BAD_HS_NEW_SESSION_TICKET );
     }
 
-    msg = ssl->in_msg + ssl_hs_hdr_len( ssl );
+    msg = ssl->in_msg + mbedtls_ssl_hs_hdr_len( ssl );
 
     lifetime = ( msg[0] << 24 ) | ( msg[1] << 16 ) |
                ( msg[2] <<  8 ) | ( msg[3]       );
 
     ticket_len = ( msg[4] << 8 ) | ( msg[5] );
 
-    if( ticket_len + 6 + ssl_hs_hdr_len( ssl ) != ssl->in_hslen )
+    if( ticket_len + 6 + mbedtls_ssl_hs_hdr_len( ssl ) != ssl->in_hslen )
     {
-        SSL_DEBUG_MSG( 1, ( "bad new session ticket message" ) );
-        return( POLARSSL_ERR_SSL_BAD_HS_NEW_SESSION_TICKET );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad new session ticket message" ) );
+        return( MBEDTLS_ERR_SSL_BAD_HS_NEW_SESSION_TICKET );
     }
 
-    SSL_DEBUG_MSG( 3, ( "ticket length: %d", ticket_len ) );
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "ticket length: %d", ticket_len ) );
 
     /* We're not waiting for a NewSessionTicket message any more */
     ssl->handshake->new_session_ticket = 0;
-    ssl->state = SSL_SERVER_CHANGE_CIPHER_SPEC;
+    ssl->state = MBEDTLS_SSL_SERVER_CHANGE_CIPHER_SPEC;
 
     /*
      * Zero-length ticket means the server changed his mind and doesn't want
@@ -2896,16 +2896,16 @@
     if( ticket_len == 0 )
         return( 0 );
 
-    polarssl_zeroize( ssl->session_negotiate->ticket,
+    mbedtls_zeroize( ssl->session_negotiate->ticket,
                       ssl->session_negotiate->ticket_len );
-    polarssl_free( ssl->session_negotiate->ticket );
+    mbedtls_free( ssl->session_negotiate->ticket );
     ssl->session_negotiate->ticket = NULL;
     ssl->session_negotiate->ticket_len = 0;
 
-    if( ( ticket = polarssl_malloc( ticket_len ) ) == NULL )
+    if( ( ticket = mbedtls_malloc( ticket_len ) ) == NULL )
     {
-        SSL_DEBUG_MSG( 1, ( "ticket malloc failed" ) );
-        return( POLARSSL_ERR_SSL_MALLOC_FAILED );
+        MBEDTLS_SSL_DEBUG_MSG( 1, ( "ticket malloc failed" ) );
+        return( MBEDTLS_ERR_SSL_MALLOC_FAILED );
     }
 
     memcpy( ticket, msg + 6, ticket_len );
@@ -2919,60 +2919,60 @@
      * "If the client receives a session ticket from the server, then it
      * discards any Session ID that was sent in the ServerHello."
      */
-    SSL_DEBUG_MSG( 3, ( "ticket in use, discarding session id" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "ticket in use, discarding session id" ) );
     ssl->session_negotiate->length = 0;
 
-    SSL_DEBUG_MSG( 2, ( "<= parse new session ticket" ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= parse new session ticket" ) );
 
     return( 0 );
 }
-#endif /* POLARSSL_SSL_SESSION_TICKETS */
+#endif /* MBEDTLS_SSL_SESSION_TICKETS */
 
 /*
  * SSL handshake -- client side -- single step
  */
-int ssl_handshake_client_step( ssl_context *ssl )
+int mbedtls_ssl_handshake_client_step( mbedtls_ssl_context *ssl )
 {
     int ret = 0;
 
-    if( ssl->state == SSL_HANDSHAKE_OVER )
-        return( POLARSSL_ERR_SSL_BAD_INPUT_DATA );
+    if( ssl->state == MBEDTLS_SSL_HANDSHAKE_OVER )
+        return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
 
-    SSL_DEBUG_MSG( 2, ( "client state: %d", ssl->state ) );
+    MBEDTLS_SSL_DEBUG_MSG( 2, ( "client state: %d", ssl->state ) );
 
-    if( ( ret = ssl_flush_output( ssl ) ) != 0 )
+    if( ( ret = mbedtls_ssl_flush_output( ssl ) ) != 0 )
         return( ret );
 
-#if defined(POLARSSL_SSL_PROTO_DTLS)
-    if( ssl->transport == SSL_TRANSPORT_DATAGRAM &&
+#if defined(MBEDTLS_SSL_PROTO_DTLS)
+    if( ssl->transport == MBEDTLS_SSL_TRANSPORT_DATAGRAM &&
         ssl->handshake != NULL &&
-        ssl->handshake->retransmit_state == SSL_RETRANS_SENDING )
+        ssl->handshake->retransmit_state == MBEDTLS_SSL_RETRANS_SENDING )
     {
-        if( ( ret = ssl_resend( ssl ) ) != 0 )
+        if( ( ret = mbedtls_ssl_resend( ssl ) ) != 0 )
             return( ret );
     }
 #endif
 
-    /* Change state now, so that it is right in ssl_read_record(), used
+    /* Change state now, so that it is right in mbedtls_ssl_read_record(), used
      * by DTLS for dropping out-of-sequence ChangeCipherSpec records */
-#if defined(POLARSSL_SSL_SESSION_TICKETS)
-    if( ssl->state == SSL_SERVER_CHANGE_CIPHER_SPEC &&
+#if defined(MBEDTLS_SSL_SESSION_TICKETS)
+    if( ssl->state == MBEDTLS_SSL_SERVER_CHANGE_CIPHER_SPEC &&
         ssl->handshake->new_session_ticket != 0 )
     {
-        ssl->state = SSL_SERVER_NEW_SESSION_TICKET;
+        ssl->state = MBEDTLS_SSL_SERVER_NEW_SESSION_TICKET;
     }
 #endif
 
     switch( ssl->state )
     {
-        case SSL_HELLO_REQUEST:
-            ssl->state = SSL_CLIENT_HELLO;
+        case MBEDTLS_SSL_HELLO_REQUEST:
+            ssl->state = MBEDTLS_SSL_CLIENT_HELLO;
             break;
 
        /*
         *  ==>   ClientHello
         */
-       case SSL_CLIENT_HELLO:
+       case MBEDTLS_SSL_CLIENT_HELLO:
            ret = ssl_write_client_hello( ssl );
            break;
 
@@ -2983,23 +2983,23 @@
         *      ( CertificateRequest )
         *        ServerHelloDone
         */
-       case SSL_SERVER_HELLO:
+       case MBEDTLS_SSL_SERVER_HELLO:
            ret = ssl_parse_server_hello( ssl );
            break;
 
-       case SSL_SERVER_CERTIFICATE:
-           ret = ssl_parse_certificate( ssl );
+       case MBEDTLS_SSL_SERVER_CERTIFICATE:
+           ret = mbedtls_ssl_parse_certificate( ssl );
            break;
 
-       case SSL_SERVER_KEY_EXCHANGE:
+       case MBEDTLS_SSL_SERVER_KEY_EXCHANGE:
            ret = ssl_parse_server_key_exchange( ssl );
            break;
 
-       case SSL_CERTIFICATE_REQUEST:
+       case MBEDTLS_SSL_CERTIFICATE_REQUEST:
            ret = ssl_parse_certificate_request( ssl );
            break;
 
-       case SSL_SERVER_HELLO_DONE:
+       case MBEDTLS_SSL_SERVER_HELLO_DONE:
            ret = ssl_parse_server_hello_done( ssl );
            break;
 
@@ -3010,24 +3010,24 @@
         *        ChangeCipherSpec
         *        Finished
         */
-       case SSL_CLIENT_CERTIFICATE:
-           ret = ssl_write_certificate( ssl );
+       case MBEDTLS_SSL_CLIENT_CERTIFICATE:
+           ret = mbedtls_ssl_write_certificate( ssl );
            break;
 
-       case SSL_CLIENT_KEY_EXCHANGE:
+       case MBEDTLS_SSL_CLIENT_KEY_EXCHANGE:
            ret = ssl_write_client_key_exchange( ssl );
            break;
 
-       case SSL_CERTIFICATE_VERIFY:
+       case MBEDTLS_SSL_CERTIFICATE_VERIFY:
            ret = ssl_write_certificate_verify( ssl );
            break;
 
-       case SSL_CLIENT_CHANGE_CIPHER_SPEC:
-           ret = ssl_write_change_cipher_spec( ssl );
+       case MBEDTLS_SSL_CLIENT_CHANGE_CIPHER_SPEC:
+           ret = mbedtls_ssl_write_change_cipher_spec( ssl );
            break;
 
-       case SSL_CLIENT_FINISHED:
-           ret = ssl_write_finished( ssl );
+       case MBEDTLS_SSL_CLIENT_FINISHED:
+           ret = mbedtls_ssl_write_finished( ssl );
            break;
 
        /*
@@ -3035,34 +3035,34 @@
         *        ChangeCipherSpec
         *        Finished
         */
-#if defined(POLARSSL_SSL_SESSION_TICKETS)
-       case SSL_SERVER_NEW_SESSION_TICKET:
+#if defined(MBEDTLS_SSL_SESSION_TICKETS)
+       case MBEDTLS_SSL_SERVER_NEW_SESSION_TICKET:
            ret = ssl_parse_new_session_ticket( ssl );
            break;
 #endif
 
-       case SSL_SERVER_CHANGE_CIPHER_SPEC:
-           ret = ssl_parse_change_cipher_spec( ssl );
+       case MBEDTLS_SSL_SERVER_CHANGE_CIPHER_SPEC:
+           ret = mbedtls_ssl_parse_change_cipher_spec( ssl );
            break;
 
-       case SSL_SERVER_FINISHED:
-           ret = ssl_parse_finished( ssl );
+       case MBEDTLS_SSL_SERVER_FINISHED:
+           ret = mbedtls_ssl_parse_finished( ssl );
            break;
 
-       case SSL_FLUSH_BUFFERS:
-           SSL_DEBUG_MSG( 2, ( "handshake: done" ) );
-           ssl->state = SSL_HANDSHAKE_WRAPUP;
+       case MBEDTLS_SSL_FLUSH_BUFFERS:
+           MBEDTLS_SSL_DEBUG_MSG( 2, ( "handshake: done" ) );
+           ssl->state = MBEDTLS_SSL_HANDSHAKE_WRAPUP;
            break;
 
-       case SSL_HANDSHAKE_WRAPUP:
-           ssl_handshake_wrapup( ssl );
+       case MBEDTLS_SSL_HANDSHAKE_WRAPUP:
+           mbedtls_ssl_handshake_wrapup( ssl );
            break;
 
        default:
-           SSL_DEBUG_MSG( 1, ( "invalid state %d", ssl->state ) );
-           return( POLARSSL_ERR_SSL_BAD_INPUT_DATA );
+           MBEDTLS_SSL_DEBUG_MSG( 1, ( "invalid state %d", ssl->state ) );
+           return( MBEDTLS_ERR_SSL_BAD_INPUT_DATA );
    }
 
     return( ret );
 }
-#endif /* POLARSSL_SSL_CLI_C */
+#endif /* MBEDTLS_SSL_CLI_C */