diff --git a/programs/pkey/rsa_sign.c b/programs/pkey/rsa_sign.c
index 69c7374..0c441bd 100644
--- a/programs/pkey/rsa_sign.c
+++ b/programs/pkey/rsa_sign.c
@@ -20,22 +20,22 @@
  *  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_PLATFORM_C)
+#if defined(MBEDTLS_PLATFORM_C)
 #include "mbedtls/platform.h"
 #else
 #include <stdio.h>
-#define polarssl_fprintf    fprintf
-#define polarssl_printf     printf
+#define mbedtls_fprintf    fprintf
+#define mbedtls_printf     printf
 #endif
 
-#if defined(POLARSSL_BIGNUM_C) && defined(POLARSSL_RSA_C) && \
-    defined(POLARSSL_SHA256_C) && defined(POLARSSL_FS_IO)
+#if defined(MBEDTLS_BIGNUM_C) && defined(MBEDTLS_RSA_C) && \
+    defined(MBEDTLS_SHA256_C) && defined(MBEDTLS_FS_IO)
 #include "mbedtls/rsa.h"
 #include "mbedtls/sha1.h"
 
@@ -43,12 +43,12 @@
 #include <string.h>
 #endif
 
-#if !defined(POLARSSL_BIGNUM_C) || !defined(POLARSSL_RSA_C) ||  \
-    !defined(POLARSSL_SHA256_C) || !defined(POLARSSL_FS_IO)
+#if !defined(MBEDTLS_BIGNUM_C) || !defined(MBEDTLS_RSA_C) ||  \
+    !defined(MBEDTLS_SHA256_C) || !defined(MBEDTLS_FS_IO)
 int main( void )
 {
-    polarssl_printf("POLARSSL_BIGNUM_C and/or POLARSSL_RSA_C and/or "
-           "POLARSSL_SHA256_C and/or POLARSSL_FS_IO not defined.\n");
+    mbedtls_printf("MBEDTLS_BIGNUM_C and/or MBEDTLS_RSA_C and/or "
+           "MBEDTLS_SHA256_C and/or MBEDTLS_FS_IO not defined.\n");
     return( 0 );
 }
 #else
@@ -57,58 +57,58 @@
     FILE *f;
     int ret;
     size_t i;
-    rsa_context rsa;
+    mbedtls_rsa_context rsa;
     unsigned char hash[20];
-    unsigned char buf[POLARSSL_MPI_MAX_SIZE];
+    unsigned char buf[MBEDTLS_MPI_MAX_SIZE];
 
     ret = 1;
 
     if( argc != 2 )
     {
-        polarssl_printf( "usage: rsa_sign <filename>\n" );
+        mbedtls_printf( "usage: rsa_sign <filename>\n" );
 
 #if defined(_WIN32)
-        polarssl_printf( "\n" );
+        mbedtls_printf( "\n" );
 #endif
 
         goto exit;
     }
 
-    polarssl_printf( "\n  . Reading private key from rsa_priv.txt" );
+    mbedtls_printf( "\n  . Reading private key from rsa_priv.txt" );
     fflush( stdout );
 
     if( ( f = fopen( "rsa_priv.txt", "rb" ) ) == NULL )
     {
         ret = 1;
-        polarssl_printf( " failed\n  ! Could not open rsa_priv.txt\n" \
+        mbedtls_printf( " failed\n  ! Could not open rsa_priv.txt\n" \
                 "  ! Please run rsa_genkey first\n\n" );
         goto exit;
     }
 
-    rsa_init( &rsa, RSA_PKCS_V15, 0 );
+    mbedtls_rsa_init( &rsa, MBEDTLS_RSA_PKCS_V15, 0 );
 
-    if( ( ret = mpi_read_file( &rsa.N , 16, f ) ) != 0 ||
-        ( ret = mpi_read_file( &rsa.E , 16, f ) ) != 0 ||
-        ( ret = mpi_read_file( &rsa.D , 16, f ) ) != 0 ||
-        ( ret = mpi_read_file( &rsa.P , 16, f ) ) != 0 ||
-        ( ret = mpi_read_file( &rsa.Q , 16, f ) ) != 0 ||
-        ( ret = mpi_read_file( &rsa.DP, 16, f ) ) != 0 ||
-        ( ret = mpi_read_file( &rsa.DQ, 16, f ) ) != 0 ||
-        ( ret = mpi_read_file( &rsa.QP, 16, f ) ) != 0 )
+    if( ( ret = mbedtls_mpi_read_file( &rsa.N , 16, f ) ) != 0 ||
+        ( ret = mbedtls_mpi_read_file( &rsa.E , 16, f ) ) != 0 ||
+        ( ret = mbedtls_mpi_read_file( &rsa.D , 16, f ) ) != 0 ||
+        ( ret = mbedtls_mpi_read_file( &rsa.P , 16, f ) ) != 0 ||
+        ( ret = mbedtls_mpi_read_file( &rsa.Q , 16, f ) ) != 0 ||
+        ( ret = mbedtls_mpi_read_file( &rsa.DP, 16, f ) ) != 0 ||
+        ( ret = mbedtls_mpi_read_file( &rsa.DQ, 16, f ) ) != 0 ||
+        ( ret = mbedtls_mpi_read_file( &rsa.QP, 16, f ) ) != 0 )
     {
-        polarssl_printf( " failed\n  ! mpi_read_file returned %d\n\n", ret );
+        mbedtls_printf( " failed\n  ! mbedtls_mpi_read_file returned %d\n\n", ret );
         goto exit;
     }
 
-    rsa.len = ( mpi_msb( &rsa.N ) + 7 ) >> 3;
+    rsa.len = ( mbedtls_mpi_msb( &rsa.N ) + 7 ) >> 3;
 
     fclose( f );
 
-    polarssl_printf( "\n  . Checking the private key" );
+    mbedtls_printf( "\n  . Checking the private key" );
     fflush( stdout );
-    if( ( ret = rsa_check_privkey( &rsa ) ) != 0 )
+    if( ( ret = mbedtls_rsa_check_privkey( &rsa ) ) != 0 )
     {
-        polarssl_printf( " failed\n  ! rsa_check_privkey failed with -0x%0x\n", -ret );
+        mbedtls_printf( " failed\n  ! mbedtls_rsa_check_privkey failed with -0x%0x\n", -ret );
         goto exit;
     }
 
@@ -116,19 +116,19 @@
      * Compute the SHA-256 hash of the input file,
      * then calculate the RSA signature of the hash.
      */
-    polarssl_printf( "\n  . Generating the RSA/SHA-256 signature" );
+    mbedtls_printf( "\n  . Generating the RSA/SHA-256 signature" );
     fflush( stdout );
 
-    if( ( ret = sha1_file( argv[1], hash ) ) != 0 )
+    if( ( ret = mbedtls_sha1_file( argv[1], hash ) ) != 0 )
     {
-        polarssl_printf( " failed\n  ! Could not open or read %s\n\n", argv[1] );
+        mbedtls_printf( " failed\n  ! Could not open or read %s\n\n", argv[1] );
         goto exit;
     }
 
-    if( ( ret = rsa_pkcs1_sign( &rsa, NULL, NULL, RSA_PRIVATE, POLARSSL_MD_SHA256,
+    if( ( ret = mbedtls_rsa_pkcs1_sign( &rsa, NULL, NULL, MBEDTLS_RSA_PRIVATE, MBEDTLS_MD_SHA256,
                                 20, hash, buf ) ) != 0 )
     {
-        polarssl_printf( " failed\n  ! rsa_pkcs1_sign returned -0x%0x\n\n", -ret );
+        mbedtls_printf( " failed\n  ! mbedtls_rsa_pkcs1_sign returned -0x%0x\n\n", -ret );
         goto exit;
     }
 
@@ -140,26 +140,26 @@
     if( ( f = fopen( argv[1], "wb+" ) ) == NULL )
     {
         ret = 1;
-        polarssl_printf( " failed\n  ! Could not create %s\n\n", argv[1] );
+        mbedtls_printf( " failed\n  ! Could not create %s\n\n", argv[1] );
         goto exit;
     }
 
     for( i = 0; i < rsa.len; i++ )
-        polarssl_fprintf( f, "%02X%s", buf[i],
+        mbedtls_fprintf( f, "%02X%s", buf[i],
                  ( i + 1 ) % 16 == 0 ? "\r\n" : " " );
 
     fclose( f );
 
-    polarssl_printf( "\n  . Done (created \"%s\")\n\n", argv[1] );
+    mbedtls_printf( "\n  . Done (created \"%s\")\n\n", argv[1] );
 
 exit:
 
 #if defined(_WIN32)
-    polarssl_printf( "  + Press Enter to exit this program.\n" );
+    mbedtls_printf( "  + Press Enter to exit this program.\n" );
     fflush( stdout ); getchar();
 #endif
 
     return( ret );
 }
-#endif /* POLARSSL_BIGNUM_C && POLARSSL_RSA_C && POLARSSL_SHA256_C &&
-          POLARSSL_FS_IO */
+#endif /* MBEDTLS_BIGNUM_C && MBEDTLS_RSA_C && MBEDTLS_SHA256_C &&
+          MBEDTLS_FS_IO */