diff --git a/library/pk.c b/library/pk.c
index d147302..043f8e3 100644
--- a/library/pk.c
+++ b/library/pk.c
@@ -20,35 +20,35 @@
  *  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_PK_C)
+#if defined(MBEDTLS_PK_C)
 #include "mbedtls/pk.h"
 #include "mbedtls/pk_wrap.h"
 
-#if defined(POLARSSL_RSA_C)
+#if defined(MBEDTLS_RSA_C)
 #include "mbedtls/rsa.h"
 #endif
-#if defined(POLARSSL_ECP_C)
+#if defined(MBEDTLS_ECP_C)
 #include "mbedtls/ecp.h"
 #endif
-#if defined(POLARSSL_ECDSA_C)
+#if defined(MBEDTLS_ECDSA_C)
 #include "mbedtls/ecdsa.h"
 #endif
 
 /* 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;
 }
 
 /*
- * Initialise a pk_context
+ * Initialise a mbedtls_pk_context
  */
-void pk_init( pk_context *ctx )
+void mbedtls_pk_init( mbedtls_pk_context *ctx )
 {
     if( ctx == NULL )
         return;
@@ -58,39 +58,39 @@
 }
 
 /*
- * Free (the components of) a pk_context
+ * Free (the components of) a mbedtls_pk_context
  */
-void pk_free( pk_context *ctx )
+void mbedtls_pk_free( mbedtls_pk_context *ctx )
 {
     if( ctx == NULL || ctx->pk_info == NULL )
         return;
 
     ctx->pk_info->ctx_free_func( ctx->pk_ctx );
 
-    polarssl_zeroize( ctx, sizeof( pk_context ) );
+    mbedtls_zeroize( ctx, sizeof( mbedtls_pk_context ) );
 }
 
 /*
  * Get pk_info structure from type
  */
-const pk_info_t * pk_info_from_type( pk_type_t pk_type )
+const mbedtls_pk_info_t * mbedtls_pk_info_from_type( mbedtls_pk_type_t pk_type )
 {
     switch( pk_type ) {
-#if defined(POLARSSL_RSA_C)
-        case POLARSSL_PK_RSA:
-            return( &rsa_info );
+#if defined(MBEDTLS_RSA_C)
+        case MBEDTLS_PK_RSA:
+            return( &mbedtls_rsa_info );
 #endif
-#if defined(POLARSSL_ECP_C)
-        case POLARSSL_PK_ECKEY:
-            return( &eckey_info );
-        case POLARSSL_PK_ECKEY_DH:
-            return( &eckeydh_info );
+#if defined(MBEDTLS_ECP_C)
+        case MBEDTLS_PK_ECKEY:
+            return( &mbedtls_eckey_info );
+        case MBEDTLS_PK_ECKEY_DH:
+            return( &mbedtls_eckeydh_info );
 #endif
-#if defined(POLARSSL_ECDSA_C)
-        case POLARSSL_PK_ECDSA:
-            return( &ecdsa_info );
+#if defined(MBEDTLS_ECDSA_C)
+        case MBEDTLS_PK_ECDSA:
+            return( &mbedtls_ecdsa_info );
 #endif
-        /* POLARSSL_PK_RSA_ALT omitted on purpose */
+        /* MBEDTLS_PK_RSA_ALT omitted on purpose */
         default:
             return( NULL );
     }
@@ -99,40 +99,40 @@
 /*
  * Initialise context
  */
-int pk_init_ctx( pk_context *ctx, const pk_info_t *info )
+int mbedtls_pk_init_ctx( mbedtls_pk_context *ctx, const mbedtls_pk_info_t *info )
 {
     if( ctx == NULL || info == NULL || ctx->pk_info != NULL )
-        return( POLARSSL_ERR_PK_BAD_INPUT_DATA );
+        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
 
     if( ( ctx->pk_ctx = info->ctx_alloc_func() ) == NULL )
-        return( POLARSSL_ERR_PK_MALLOC_FAILED );
+        return( MBEDTLS_ERR_PK_MALLOC_FAILED );
 
     ctx->pk_info = info;
 
     return( 0 );
 }
 
-#if defined(POLARSSL_PK_RSA_ALT_SUPPORT)
+#if defined(MBEDTLS_PK_RSA_ALT_SUPPORT)
 /*
  * Initialize an RSA-alt context
  */
-int pk_init_ctx_rsa_alt( pk_context *ctx, void * key,
-                         pk_rsa_alt_decrypt_func decrypt_func,
-                         pk_rsa_alt_sign_func sign_func,
-                         pk_rsa_alt_key_len_func key_len_func )
+int mbedtls_pk_init_ctx_rsa_alt( mbedtls_pk_context *ctx, void * key,
+                         mbedtls_pk_rsa_alt_decrypt_func decrypt_func,
+                         mbedtls_pk_rsa_alt_sign_func sign_func,
+                         mbedtls_pk_rsa_alt_key_len_func key_len_func )
 {
-    rsa_alt_context *rsa_alt;
-    const pk_info_t *info = &rsa_alt_info;
+    mbedtls_rsa_alt_context *rsa_alt;
+    const mbedtls_pk_info_t *info = &mbedtls_rsa_alt_info;
 
     if( ctx == NULL || ctx->pk_info != NULL )
-        return( POLARSSL_ERR_PK_BAD_INPUT_DATA );
+        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
 
     if( ( ctx->pk_ctx = info->ctx_alloc_func() ) == NULL )
-        return( POLARSSL_ERR_PK_MALLOC_FAILED );
+        return( MBEDTLS_ERR_PK_MALLOC_FAILED );
 
     ctx->pk_info = info;
 
-    rsa_alt = (rsa_alt_context *) ctx->pk_ctx;
+    rsa_alt = (mbedtls_rsa_alt_context *) ctx->pk_ctx;
 
     rsa_alt->key = key;
     rsa_alt->decrypt_func = decrypt_func;
@@ -141,12 +141,12 @@
 
     return( 0 );
 }
-#endif /* POLARSSL_PK_RSA_ALT_SUPPORT */
+#endif /* MBEDTLS_PK_RSA_ALT_SUPPORT */
 
 /*
  * Tell if a PK can do the operations of the given type
  */
-int pk_can_do( const pk_context *ctx, pk_type_t type )
+int mbedtls_pk_can_do( const mbedtls_pk_context *ctx, mbedtls_pk_type_t type )
 {
     /* null or NONE context can't do anything */
     if( ctx == NULL || ctx->pk_info == NULL )
@@ -156,35 +156,35 @@
 }
 
 /*
- * Helper for pk_sign and pk_verify
+ * Helper for mbedtls_pk_sign and mbedtls_pk_verify
  */
-static inline int pk_hashlen_helper( md_type_t md_alg, size_t *hash_len )
+static inline int pk_hashlen_helper( mbedtls_md_type_t md_alg, size_t *hash_len )
 {
-    const md_info_t *md_info;
+    const mbedtls_md_info_t *md_info;
 
     if( *hash_len != 0 )
         return( 0 );
 
-    if( ( md_info = md_info_from_type( md_alg ) ) == NULL )
+    if( ( md_info = mbedtls_md_info_from_type( md_alg ) ) == NULL )
         return( -1 );
 
-    *hash_len = md_get_size( md_info );
+    *hash_len = mbedtls_md_get_size( md_info );
     return( 0 );
 }
 
 /*
  * Verify a signature
  */
-int pk_verify( pk_context *ctx, md_type_t md_alg,
+int mbedtls_pk_verify( mbedtls_pk_context *ctx, mbedtls_md_type_t md_alg,
                const unsigned char *hash, size_t hash_len,
                const unsigned char *sig, size_t sig_len )
 {
     if( ctx == NULL || ctx->pk_info == NULL ||
         pk_hashlen_helper( md_alg, &hash_len ) != 0 )
-        return( POLARSSL_ERR_PK_BAD_INPUT_DATA );
+        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
 
     if( ctx->pk_info->verify_func == NULL )
-        return( POLARSSL_ERR_PK_TYPE_MISMATCH );
+        return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
 
     return( ctx->pk_info->verify_func( ctx->pk_ctx, md_alg, hash, hash_len,
                                        sig, sig_len ) );
@@ -193,33 +193,33 @@
 /*
  * Verify a signature with options
  */
-int pk_verify_ext( pk_type_t type, const void *options,
-                   pk_context *ctx, md_type_t md_alg,
+int mbedtls_pk_verify_ext( mbedtls_pk_type_t type, const void *options,
+                   mbedtls_pk_context *ctx, mbedtls_md_type_t md_alg,
                    const unsigned char *hash, size_t hash_len,
                    const unsigned char *sig, size_t sig_len )
 {
     if( ctx == NULL || ctx->pk_info == NULL )
-        return( POLARSSL_ERR_PK_BAD_INPUT_DATA );
+        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
 
-    if( ! pk_can_do( ctx, type ) )
-        return( POLARSSL_ERR_PK_TYPE_MISMATCH );
+    if( ! mbedtls_pk_can_do( ctx, type ) )
+        return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
 
-    if( type == POLARSSL_PK_RSASSA_PSS )
+    if( type == MBEDTLS_PK_RSASSA_PSS )
     {
-#if defined(POLARSSL_RSA_C) && defined(POLARSSL_PKCS1_V21)
+#if defined(MBEDTLS_RSA_C) && defined(MBEDTLS_PKCS1_V21)
         int ret;
-        const pk_rsassa_pss_options *pss_opts;
+        const mbedtls_pk_rsassa_pss_options *pss_opts;
 
         if( options == NULL )
-            return( POLARSSL_ERR_PK_BAD_INPUT_DATA );
+            return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
 
-        pss_opts = (const pk_rsassa_pss_options *) options;
+        pss_opts = (const mbedtls_pk_rsassa_pss_options *) options;
 
-        if( sig_len < pk_get_len( ctx ) )
-            return( POLARSSL_ERR_RSA_VERIFY_FAILED );
+        if( sig_len < mbedtls_pk_get_len( ctx ) )
+            return( MBEDTLS_ERR_RSA_VERIFY_FAILED );
 
-        ret = rsa_rsassa_pss_verify_ext( pk_rsa( *ctx ),
-                NULL, NULL, RSA_PUBLIC,
+        ret = mbedtls_rsa_rsassa_pss_verify_ext( mbedtls_pk_rsa( *ctx ),
+                NULL, NULL, MBEDTLS_RSA_PUBLIC,
                 md_alg, (unsigned int) hash_len, hash,
                 pss_opts->mgf1_hash_id,
                 pss_opts->expected_salt_len,
@@ -227,36 +227,36 @@
         if( ret != 0 )
             return( ret );
 
-        if( sig_len > pk_get_len( ctx ) )
-            return( POLARSSL_ERR_PK_SIG_LEN_MISMATCH );
+        if( sig_len > mbedtls_pk_get_len( ctx ) )
+            return( MBEDTLS_ERR_PK_SIG_LEN_MISMATCH );
 
         return( 0 );
 #else
-        return( POLARSSL_ERR_PK_FEATURE_UNAVAILABLE );
+        return( MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE );
 #endif
     }
 
     /* General case: no options */
     if( options != NULL )
-        return( POLARSSL_ERR_PK_BAD_INPUT_DATA );
+        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
 
-    return( pk_verify( ctx, md_alg, hash, hash_len, sig, sig_len ) );
+    return( mbedtls_pk_verify( ctx, md_alg, hash, hash_len, sig, sig_len ) );
 }
 
 /*
  * Make a signature
  */
-int pk_sign( pk_context *ctx, md_type_t md_alg,
+int mbedtls_pk_sign( mbedtls_pk_context *ctx, mbedtls_md_type_t md_alg,
              const unsigned char *hash, size_t hash_len,
              unsigned char *sig, size_t *sig_len,
              int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
 {
     if( ctx == NULL || ctx->pk_info == NULL ||
         pk_hashlen_helper( md_alg, &hash_len ) != 0 )
-        return( POLARSSL_ERR_PK_BAD_INPUT_DATA );
+        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
 
     if( ctx->pk_info->sign_func == NULL )
-        return( POLARSSL_ERR_PK_TYPE_MISMATCH );
+        return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
 
     return( ctx->pk_info->sign_func( ctx->pk_ctx, md_alg, hash, hash_len,
                                      sig, sig_len, f_rng, p_rng ) );
@@ -265,16 +265,16 @@
 /*
  * Decrypt message
  */
-int pk_decrypt( pk_context *ctx,
+int mbedtls_pk_decrypt( mbedtls_pk_context *ctx,
                 const unsigned char *input, size_t ilen,
                 unsigned char *output, size_t *olen, size_t osize,
                 int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
 {
     if( ctx == NULL || ctx->pk_info == NULL )
-        return( POLARSSL_ERR_PK_BAD_INPUT_DATA );
+        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
 
     if( ctx->pk_info->decrypt_func == NULL )
-        return( POLARSSL_ERR_PK_TYPE_MISMATCH );
+        return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
 
     return( ctx->pk_info->decrypt_func( ctx->pk_ctx, input, ilen,
                 output, olen, osize, f_rng, p_rng ) );
@@ -283,16 +283,16 @@
 /*
  * Encrypt message
  */
-int pk_encrypt( pk_context *ctx,
+int mbedtls_pk_encrypt( mbedtls_pk_context *ctx,
                 const unsigned char *input, size_t ilen,
                 unsigned char *output, size_t *olen, size_t osize,
                 int (*f_rng)(void *, unsigned char *, size_t), void *p_rng )
 {
     if( ctx == NULL || ctx->pk_info == NULL )
-        return( POLARSSL_ERR_PK_BAD_INPUT_DATA );
+        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
 
     if( ctx->pk_info->encrypt_func == NULL )
-        return( POLARSSL_ERR_PK_TYPE_MISMATCH );
+        return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
 
     return( ctx->pk_info->encrypt_func( ctx->pk_ctx, input, ilen,
                 output, olen, osize, f_rng, p_rng ) );
@@ -301,24 +301,24 @@
 /*
  * Check public-private key pair
  */
-int pk_check_pair( const pk_context *pub, const pk_context *prv )
+int mbedtls_pk_check_pair( const mbedtls_pk_context *pub, const mbedtls_pk_context *prv )
 {
     if( pub == NULL || pub->pk_info == NULL ||
         prv == NULL || prv->pk_info == NULL ||
         prv->pk_info->check_pair_func == NULL )
     {
-        return( POLARSSL_ERR_PK_BAD_INPUT_DATA );
+        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
     }
 
-    if( prv->pk_info->type == POLARSSL_PK_RSA_ALT )
+    if( prv->pk_info->type == MBEDTLS_PK_RSA_ALT )
     {
-        if( pub->pk_info->type != POLARSSL_PK_RSA )
-            return( POLARSSL_ERR_PK_TYPE_MISMATCH );
+        if( pub->pk_info->type != MBEDTLS_PK_RSA )
+            return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
     }
     else
     {
         if( pub->pk_info != prv->pk_info )
-            return( POLARSSL_ERR_PK_TYPE_MISMATCH );
+            return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
     }
 
     return( prv->pk_info->check_pair_func( pub->pk_ctx, prv->pk_ctx ) );
@@ -327,7 +327,7 @@
 /*
  * Get key size in bits
  */
-size_t pk_get_size( const pk_context *ctx )
+size_t mbedtls_pk_get_size( const mbedtls_pk_context *ctx )
 {
     if( ctx == NULL || ctx->pk_info == NULL )
         return( 0 );
@@ -338,13 +338,13 @@
 /*
  * Export debug information
  */
-int pk_debug( const pk_context *ctx, pk_debug_item *items )
+int mbedtls_pk_debug( const mbedtls_pk_context *ctx, mbedtls_pk_debug_item *items )
 {
     if( ctx == NULL || ctx->pk_info == NULL )
-        return( POLARSSL_ERR_PK_BAD_INPUT_DATA );
+        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
 
     if( ctx->pk_info->debug_func == NULL )
-        return( POLARSSL_ERR_PK_TYPE_MISMATCH );
+        return( MBEDTLS_ERR_PK_TYPE_MISMATCH );
 
     ctx->pk_info->debug_func( ctx->pk_ctx, items );
     return( 0 );
@@ -353,7 +353,7 @@
 /*
  * Access the PK type name
  */
-const char *pk_get_name( const pk_context *ctx )
+const char *mbedtls_pk_get_name( const mbedtls_pk_context *ctx )
 {
     if( ctx == NULL || ctx->pk_info == NULL )
         return( "invalid PK" );
@@ -364,12 +364,12 @@
 /*
  * Access the PK type
  */
-pk_type_t pk_get_type( const pk_context *ctx )
+mbedtls_pk_type_t mbedtls_pk_get_type( const mbedtls_pk_context *ctx )
 {
     if( ctx == NULL || ctx->pk_info == NULL )
-        return( POLARSSL_PK_NONE );
+        return( MBEDTLS_PK_NONE );
 
     return( ctx->pk_info->type );
 }
 
-#endif /* POLARSSL_PK_C */
+#endif /* MBEDTLS_PK_C */