diff --git a/library/base64.c b/library/base64.c
index 5af79df..e0a6f18 100644
--- a/library/base64.c
+++ b/library/base64.c
@@ -20,13 +20,13 @@
  *  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_BASE64_C)
+#if defined(MBEDTLS_BASE64_C)
 
 #include "mbedtls/base64.h"
 
@@ -37,15 +37,15 @@
 #include <inttypes.h>
 #endif
 
-#if defined(POLARSSL_SELF_TEST)
+#if defined(MBEDTLS_SELF_TEST)
 #include <string.h>
-#if defined(POLARSSL_PLATFORM_C)
+#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
 #else
 #include <stdio.h>
-#define polarssl_printf printf
-#endif /* POLARSSL_PLATFORM_C */
-#endif /* POLARSSL_SELF_TEST */
+#define mbedtls_printf printf
+#endif /* MBEDTLS_PLATFORM_C */
+#endif /* MBEDTLS_SELF_TEST */
 
 static const unsigned char base64_enc_map[64] =
 {
@@ -78,7 +78,7 @@
 /*
  * Encode a buffer into base64 format
  */
-int base64_encode( unsigned char *dst, size_t *dlen,
+int mbedtls_base64_encode( unsigned char *dst, size_t *dlen,
                    const unsigned char *src, size_t slen )
 {
     size_t i, n;
@@ -103,7 +103,7 @@
     if( *dlen < n + 1 )
     {
         *dlen = n + 1;
-        return( POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL );
+        return( MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL );
     }
 
     n = ( slen / 3 ) * 3;
@@ -144,7 +144,7 @@
 /*
  * Decode a base64-formatted buffer
  */
-int base64_decode( unsigned char *dst, size_t *dlen,
+int mbedtls_base64_decode( unsigned char *dst, size_t *dlen,
                    const unsigned char *src, size_t slen )
 {
     size_t i, n;
@@ -175,16 +175,16 @@
 
         /* Space inside a line is an error */
         if( x != 0 )
-            return( POLARSSL_ERR_BASE64_INVALID_CHARACTER );
+            return( MBEDTLS_ERR_BASE64_INVALID_CHARACTER );
 
         if( src[i] == '=' && ++j > 2 )
-            return( POLARSSL_ERR_BASE64_INVALID_CHARACTER );
+            return( MBEDTLS_ERR_BASE64_INVALID_CHARACTER );
 
         if( src[i] > 127 || base64_dec_map[src[i]] == 127 )
-            return( POLARSSL_ERR_BASE64_INVALID_CHARACTER );
+            return( MBEDTLS_ERR_BASE64_INVALID_CHARACTER );
 
         if( base64_dec_map[src[i]] < 64 && j != 0 )
-            return( POLARSSL_ERR_BASE64_INVALID_CHARACTER );
+            return( MBEDTLS_ERR_BASE64_INVALID_CHARACTER );
 
         n++;
     }
@@ -198,7 +198,7 @@
     if( dst == NULL || *dlen < n )
     {
         *dlen = n;
-        return( POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL );
+        return( MBEDTLS_ERR_BASE64_BUFFER_TOO_SMALL );
     }
 
    for( j = 3, n = x = 0, p = dst; i > 0; i--, src++ )
@@ -223,7 +223,7 @@
     return( 0 );
 }
 
-#if defined(POLARSSL_SELF_TEST)
+#if defined(MBEDTLS_SELF_TEST)
 
 static const unsigned char base64_test_dec[64] =
 {
@@ -244,48 +244,48 @@
 /*
  * Checkup routine
  */
-int base64_self_test( int verbose )
+int mbedtls_base64_self_test( int verbose )
 {
     size_t len;
     const unsigned char *src;
     unsigned char buffer[128];
 
     if( verbose != 0 )
-        polarssl_printf( "  Base64 encoding test: " );
+        mbedtls_printf( "  Base64 encoding test: " );
 
     len = sizeof( buffer );
     src = base64_test_dec;
 
-    if( base64_encode( buffer, &len, src, 64 ) != 0 ||
+    if( mbedtls_base64_encode( buffer, &len, src, 64 ) != 0 ||
          memcmp( base64_test_enc, buffer, 88 ) != 0 )
     {
         if( verbose != 0 )
-            polarssl_printf( "failed\n" );
+            mbedtls_printf( "failed\n" );
 
         return( 1 );
     }
 
     if( verbose != 0 )
-        polarssl_printf( "passed\n  Base64 decoding test: " );
+        mbedtls_printf( "passed\n  Base64 decoding test: " );
 
     len = sizeof( buffer );
     src = base64_test_enc;
 
-    if( base64_decode( buffer, &len, src, 88 ) != 0 ||
+    if( mbedtls_base64_decode( buffer, &len, src, 88 ) != 0 ||
          memcmp( base64_test_dec, buffer, 64 ) != 0 )
     {
         if( verbose != 0 )
-            polarssl_printf( "failed\n" );
+            mbedtls_printf( "failed\n" );
 
         return( 1 );
     }
 
     if( verbose != 0 )
-        polarssl_printf( "passed\n\n" );
+        mbedtls_printf( "passed\n\n" );
 
     return( 0 );
 }
 
-#endif /* POLARSSL_SELF_TEST */
+#endif /* MBEDTLS_SELF_TEST */
 
-#endif /* POLARSSL_BASE64_C */
+#endif /* MBEDTLS_BASE64_C */