diff --git a/library/entropy_poll.c b/library/entropy_poll.c
index e0eff16..51d69a5 100644
--- a/library/entropy_poll.c
+++ b/library/entropy_poll.c
@@ -20,26 +20,26 @@
  *  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_ENTROPY_C)
+#if defined(MBEDTLS_ENTROPY_C)
 
 #include "mbedtls/entropy.h"
 #include "mbedtls/entropy_poll.h"
 
-#if defined(POLARSSL_TIMING_C)
+#if defined(MBEDTLS_TIMING_C)
 #include <string.h>
 #include "mbedtls/timing.h"
 #endif
-#if defined(POLARSSL_HAVEGE_C)
+#if defined(MBEDTLS_HAVEGE_C)
 #include "mbedtls/havege.h"
 #endif
 
-#if !defined(POLARSSL_NO_PLATFORM_ENTROPY)
+#if !defined(MBEDTLS_NO_PLATFORM_ENTROPY)
 #if defined(_WIN32) && !defined(EFIX64) && !defined(EFI32)
 
 #if !defined(_WIN32_WINNT)
@@ -48,7 +48,7 @@
 #include <windows.h>
 #include <wincrypt.h>
 
-int platform_entropy_poll( void *data, unsigned char *output, size_t len,
+int mbedtls_platform_entropy_poll( void *data, unsigned char *output, size_t len,
                            size_t *olen )
 {
     HCRYPTPROV provider;
@@ -58,11 +58,11 @@
     if( CryptAcquireContext( &provider, NULL, NULL,
                               PROV_RSA_FULL, CRYPT_VERIFYCONTEXT ) == FALSE )
     {
-        return( POLARSSL_ERR_ENTROPY_SOURCE_FAILED );
+        return( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED );
     }
 
     if( CryptGenRandom( provider, (DWORD) len, output ) == FALSE )
-        return( POLARSSL_ERR_ENTROPY_SOURCE_FAILED );
+        return( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED );
 
     CryptReleaseContext( provider, 0 );
     *olen = len;
@@ -93,14 +93,14 @@
 
 #include <errno.h>
 
-int platform_entropy_poll( void *data,
+int mbedtls_platform_entropy_poll( void *data,
                            unsigned char *output, size_t len, size_t *olen )
 {
     int ret;
     ((void) data);
 
     if( ( ret = getrandom_wrapper( output, len, 0 ) ) < 0 )
-        return( POLARSSL_ERR_ENTROPY_SOURCE_FAILED );
+        return( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED );
 
     *olen = ret;
     return( 0 );
@@ -110,7 +110,7 @@
 
 #include <stdio.h>
 
-int platform_entropy_poll( void *data,
+int mbedtls_platform_entropy_poll( void *data,
                            unsigned char *output, size_t len, size_t *olen )
 {
     FILE *file;
@@ -121,13 +121,13 @@
 
     file = fopen( "/dev/urandom", "rb" );
     if( file == NULL )
-        return( POLARSSL_ERR_ENTROPY_SOURCE_FAILED );
+        return( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED );
 
     ret = fread( output, 1, len, file );
     if( ret != len )
     {
         fclose( file );
-        return( POLARSSL_ERR_ENTROPY_SOURCE_FAILED );
+        return( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED );
     }
 
     fclose( file );
@@ -137,13 +137,13 @@
 }
 #endif /* HAVE_GETRANDOM */
 #endif /* _WIN32 && !EFIX64 && !EFI32 */
-#endif /* !POLARSSL_NO_PLATFORM_ENTROPY */
+#endif /* !MBEDTLS_NO_PLATFORM_ENTROPY */
 
-#if defined(POLARSSL_TIMING_C)
-int hardclock_poll( void *data,
+#if defined(MBEDTLS_TIMING_C)
+int mbedtls_hardclock_poll( void *data,
                     unsigned char *output, size_t len, size_t *olen )
 {
-    unsigned long timer = hardclock();
+    unsigned long timer = mbedtls_timing_hardclock();
     ((void) data);
     *olen = 0;
 
@@ -155,22 +155,22 @@
 
     return( 0 );
 }
-#endif /* POLARSSL_TIMING_C */
+#endif /* MBEDTLS_TIMING_C */
 
-#if defined(POLARSSL_HAVEGE_C)
-int havege_poll( void *data,
+#if defined(MBEDTLS_HAVEGE_C)
+int mbedtls_havege_poll( void *data,
                  unsigned char *output, size_t len, size_t *olen )
 {
-    havege_state *hs = (havege_state *) data;
+    mbedtls_havege_state *hs = (mbedtls_havege_state *) data;
     *olen = 0;
 
-    if( havege_random( hs, output, len ) != 0 )
-        return( POLARSSL_ERR_ENTROPY_SOURCE_FAILED );
+    if( mbedtls_havege_random( hs, output, len ) != 0 )
+        return( MBEDTLS_ERR_ENTROPY_SOURCE_FAILED );
 
     *olen = len;
 
     return( 0 );
 }
-#endif /* POLARSSL_HAVEGE_C */
+#endif /* MBEDTLS_HAVEGE_C */
 
-#endif /* POLARSSL_ENTROPY_C */
+#endif /* MBEDTLS_ENTROPY_C */