diff --git a/library/pkparse.c b/library/pkparse.c
index b42bf8b..c2e51e7 100644
--- a/library/pkparse.c
+++ b/library/pkparse.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_PK_PARSE_C)
+#if defined(MBEDTLS_PK_PARSE_C)
 
 #include "mbedtls/pk.h"
 #include "mbedtls/asn1.h"
@@ -34,72 +34,72 @@
 
 #include <string.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
-#if defined(POLARSSL_PEM_PARSE_C)
+#if defined(MBEDTLS_PEM_PARSE_C)
 #include "mbedtls/pem.h"
 #endif
-#if defined(POLARSSL_PKCS5_C)
+#if defined(MBEDTLS_PKCS5_C)
 #include "mbedtls/pkcs5.h"
 #endif
-#if defined(POLARSSL_PKCS12_C)
+#if defined(MBEDTLS_PKCS12_C)
 #include "mbedtls/pkcs12.h"
 #endif
 
-#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(POLARSSL_FS_IO)
+#if defined(MBEDTLS_FS_IO)
 /* 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;
 }
 
 /*
  * Load all data from a file into a given buffer.
  */
-int pk_load_file( const char *path, unsigned char **buf, size_t *n )
+int mbedtls_pk_load_file( const char *path, unsigned char **buf, size_t *n )
 {
     FILE *f;
     long size;
 
     if( ( f = fopen( path, "rb" ) ) == NULL )
-        return( POLARSSL_ERR_PK_FILE_IO_ERROR );
+        return( MBEDTLS_ERR_PK_FILE_IO_ERROR );
 
     fseek( f, 0, SEEK_END );
     if( ( size = ftell( f ) ) == -1 )
     {
         fclose( f );
-        return( POLARSSL_ERR_PK_FILE_IO_ERROR );
+        return( MBEDTLS_ERR_PK_FILE_IO_ERROR );
     }
     fseek( f, 0, SEEK_SET );
 
     *n = (size_t) size;
 
     if( *n + 1 == 0 ||
-        ( *buf = polarssl_malloc( *n + 1 ) ) == NULL )
+        ( *buf = mbedtls_malloc( *n + 1 ) ) == NULL )
     {
         fclose( f );
-        return( POLARSSL_ERR_PK_MALLOC_FAILED );
+        return( MBEDTLS_ERR_PK_MALLOC_FAILED );
     }
 
     if( fread( *buf, 1, *n, f ) != *n )
     {
         fclose( f );
-        polarssl_free( *buf );
-        return( POLARSSL_ERR_PK_FILE_IO_ERROR );
+        mbedtls_free( *buf );
+        return( MBEDTLS_ERR_PK_FILE_IO_ERROR );
     }
 
     fclose( f );
@@ -112,24 +112,24 @@
 /*
  * Load and parse a private key
  */
-int pk_parse_keyfile( pk_context *ctx,
+int mbedtls_pk_parse_keyfile( mbedtls_pk_context *ctx,
                       const char *path, const char *pwd )
 {
     int ret;
     size_t n;
     unsigned char *buf;
 
-    if( ( ret = pk_load_file( path, &buf, &n ) ) != 0 )
+    if( ( ret = mbedtls_pk_load_file( path, &buf, &n ) ) != 0 )
         return( ret );
 
     if( pwd == NULL )
-        ret = pk_parse_key( ctx, buf, n, NULL, 0 );
+        ret = mbedtls_pk_parse_key( ctx, buf, n, NULL, 0 );
     else
-        ret = pk_parse_key( ctx, buf, n,
+        ret = mbedtls_pk_parse_key( ctx, buf, n,
                 (const unsigned char *) pwd, strlen( pwd ) );
 
-    polarssl_zeroize( buf, n + 1 );
-    polarssl_free( buf );
+    mbedtls_zeroize( buf, n + 1 );
+    mbedtls_free( buf );
 
     return( ret );
 }
@@ -137,26 +137,26 @@
 /*
  * Load and parse a public key
  */
-int pk_parse_public_keyfile( pk_context *ctx, const char *path )
+int mbedtls_pk_parse_public_keyfile( mbedtls_pk_context *ctx, const char *path )
 {
     int ret;
     size_t n;
     unsigned char *buf;
 
-    if( ( ret = pk_load_file( path, &buf, &n ) ) != 0 )
+    if( ( ret = mbedtls_pk_load_file( path, &buf, &n ) ) != 0 )
         return( ret );
 
-    ret = pk_parse_public_key( ctx, buf, n );
+    ret = mbedtls_pk_parse_public_key( ctx, buf, n );
 
-    polarssl_zeroize( buf, n + 1 );
-    polarssl_free( buf );
+    mbedtls_zeroize( buf, n + 1 );
+    mbedtls_free( buf );
 
     return( ret );
 }
-#endif /* POLARSSL_FS_IO */
+#endif /* MBEDTLS_FS_IO */
 
-#if defined(POLARSSL_ECP_C)
-/* Minimally parse an ECParameters buffer to and asn1_buf
+#if defined(MBEDTLS_ECP_C)
+/* Minimally parse an ECParameters buffer to and mbedtls_asn1_buf
  *
  * ECParameters ::= CHOICE {
  *   namedCurve         OBJECT IDENTIFIER
@@ -165,38 +165,38 @@
  * }
  */
 static int pk_get_ecparams( unsigned char **p, const unsigned char *end,
-                            asn1_buf *params )
+                            mbedtls_asn1_buf *params )
 {
     int ret;
 
     /* Tag may be either OID or SEQUENCE */
     params->tag = **p;
-    if( params->tag != ASN1_OID
-#if defined(POLARSSL_PK_PARSE_EC_EXTENDED)
-            && params->tag != ( ASN1_CONSTRUCTED | ASN1_SEQUENCE )
+    if( params->tag != MBEDTLS_ASN1_OID
+#if defined(MBEDTLS_PK_PARSE_EC_EXTENDED)
+            && params->tag != ( MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE )
 #endif
             )
     {
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT +
-                POLARSSL_ERR_ASN1_UNEXPECTED_TAG );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT +
+                MBEDTLS_ERR_ASN1_UNEXPECTED_TAG );
     }
 
-    if( ( ret = asn1_get_tag( p, end, &params->len, params->tag ) ) != 0 )
+    if( ( ret = mbedtls_asn1_get_tag( p, end, &params->len, params->tag ) ) != 0 )
     {
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
     }
 
     params->p = *p;
     *p += params->len;
 
     if( *p != end )
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT +
-                POLARSSL_ERR_ASN1_LENGTH_MISMATCH );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT +
+                MBEDTLS_ERR_ASN1_LENGTH_MISMATCH );
 
     return( 0 );
 }
 
-#if defined(POLARSSL_PK_PARSE_EC_EXTENDED)
+#if defined(MBEDTLS_PK_PARSE_EC_EXTENDED)
 /*
  * Parse a SpecifiedECDomain (SEC 1 C.2) and (mostly) fill the group with it.
  * WARNING: the resulting group should only be used with
@@ -216,7 +216,7 @@
  *
  * We only support prime-field as field type, and ignore hash and cofactor.
  */
-static int pk_group_from_specified( const asn1_buf *params, ecp_group *grp )
+static int pk_group_from_specified( const mbedtls_asn1_buf *params, mbedtls_ecp_group *grp )
 {
     int ret;
     unsigned char *p = params->p;
@@ -226,11 +226,11 @@
     int ver;
 
     /* SpecifiedECDomainVersion ::= INTEGER { 1, 2, 3 } */
-    if( ( ret = asn1_get_int( &p, end, &ver ) ) != 0 )
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+    if( ( ret = mbedtls_asn1_get_int( &p, end, &ver ) ) != 0 )
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
 
     if( ver < 1 || ver > 3 )
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT );
 
     /*
      * FieldID { FIELD-ID:IOSet } ::= SEQUENCE { -- Finite field
@@ -238,8 +238,8 @@
      *       parameters FIELD-ID.&Type({IOSet}{@fieldType})
      * }
      */
-    if( ( ret = asn1_get_tag( &p, end, &len,
-            ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 )
+    if( ( ret = mbedtls_asn1_get_tag( &p, end, &len,
+            MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 )
         return( ret );
 
     end_field = p + len;
@@ -252,26 +252,26 @@
      * }
      * prime-field OBJECT IDENTIFIER ::= { id-fieldType 1 }
      */
-    if( ( ret = asn1_get_tag( &p, end_field, &len, ASN1_OID ) ) != 0 )
+    if( ( ret = mbedtls_asn1_get_tag( &p, end_field, &len, MBEDTLS_ASN1_OID ) ) != 0 )
         return( ret );
 
-    if( len != OID_SIZE( OID_ANSI_X9_62_PRIME_FIELD ) ||
-        memcmp( p, OID_ANSI_X9_62_PRIME_FIELD, len ) != 0 )
+    if( len != MBEDTLS_OID_SIZE( MBEDTLS_OID_ANSI_X9_62_PRIME_FIELD ) ||
+        memcmp( p, MBEDTLS_OID_ANSI_X9_62_PRIME_FIELD, len ) != 0 )
     {
-        return( POLARSSL_ERR_PK_FEATURE_UNAVAILABLE );
+        return( MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE );
     }
 
     p += len;
 
     /* Prime-p ::= INTEGER -- Field of size p. */
-    if( ( ret = asn1_get_mpi( &p, end_field, &grp->P ) ) != 0 )
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+    if( ( ret = mbedtls_asn1_get_mpi( &p, end_field, &grp->P ) ) != 0 )
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
 
-    grp->pbits = mpi_msb( &grp->P );
+    grp->pbits = mbedtls_mpi_msb( &grp->P );
 
     if( p != end_field )
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT +
-                POLARSSL_ERR_ASN1_LENGTH_MISMATCH );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT +
+                MBEDTLS_ERR_ASN1_LENGTH_MISMATCH );
 
     /*
      * Curve ::= SEQUENCE {
@@ -282,8 +282,8 @@
      *       -- with version equal to ecdpVer2 or ecdpVer3
      * }
      */
-    if( ( ret = asn1_get_tag( &p, end, &len,
-            ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 )
+    if( ( ret = mbedtls_asn1_get_tag( &p, end, &len,
+            MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 )
         return( ret );
 
     end_curve = p + len;
@@ -292,51 +292,51 @@
      * FieldElement ::= OCTET STRING
      * containing an integer in the case of a prime field
      */
-    if( ( ret = asn1_get_tag( &p, end_curve, &len, ASN1_OCTET_STRING ) ) != 0 ||
-        ( ret = mpi_read_binary( &grp->A, p, len ) ) != 0 )
+    if( ( ret = mbedtls_asn1_get_tag( &p, end_curve, &len, MBEDTLS_ASN1_OCTET_STRING ) ) != 0 ||
+        ( ret = mbedtls_mpi_read_binary( &grp->A, p, len ) ) != 0 )
     {
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
     }
 
     p += len;
 
-    if( ( ret = asn1_get_tag( &p, end_curve, &len, ASN1_OCTET_STRING ) ) != 0 ||
-        ( ret = mpi_read_binary( &grp->B, p, len ) ) != 0 )
+    if( ( ret = mbedtls_asn1_get_tag( &p, end_curve, &len, MBEDTLS_ASN1_OCTET_STRING ) ) != 0 ||
+        ( ret = mbedtls_mpi_read_binary( &grp->B, p, len ) ) != 0 )
     {
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
     }
 
     p += len;
 
     /* Ignore seed BIT STRING OPTIONAL */
-    if( ( ret = asn1_get_tag( &p, end_curve, &len, ASN1_BIT_STRING ) ) == 0 )
+    if( ( ret = mbedtls_asn1_get_tag( &p, end_curve, &len, MBEDTLS_ASN1_BIT_STRING ) ) == 0 )
         p += len;
 
     if( p != end_curve )
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT +
-                POLARSSL_ERR_ASN1_LENGTH_MISMATCH );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT +
+                MBEDTLS_ERR_ASN1_LENGTH_MISMATCH );
 
     /*
      * ECPoint ::= OCTET STRING
      */
-    if( ( ret = asn1_get_tag( &p, end, &len, ASN1_OCTET_STRING ) ) != 0 )
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+    if( ( ret = mbedtls_asn1_get_tag( &p, end, &len, MBEDTLS_ASN1_OCTET_STRING ) ) != 0 )
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
 
-    if( ( ret = ecp_point_read_binary( grp, &grp->G,
+    if( ( ret = mbedtls_ecp_point_read_binary( grp, &grp->G,
                                       ( const unsigned char *) p, len ) ) != 0 )
     {
         /*
          * If we can't read the point because it's compressed, cheat by
          * reading only the X coordinate and the parity bit of Y.
          */
-        if( ret != POLARSSL_ERR_ECP_FEATURE_UNAVAILABLE ||
+        if( ret != MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE ||
             ( p[0] != 0x02 && p[0] != 0x03 ) ||
-            len != mpi_size( &grp->P ) + 1 ||
-            mpi_read_binary( &grp->G.X, p + 1, len - 1 ) != 0 ||
-            mpi_lset( &grp->G.Y, p[0] - 2 ) != 0 ||
-            mpi_lset( &grp->G.Z, 1 ) != 0 )
+            len != mbedtls_mpi_size( &grp->P ) + 1 ||
+            mbedtls_mpi_read_binary( &grp->G.X, p + 1, len - 1 ) != 0 ||
+            mbedtls_mpi_lset( &grp->G.Y, p[0] - 2 ) != 0 ||
+            mbedtls_mpi_lset( &grp->G.Z, 1 ) != 0 )
         {
-            return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT );
+            return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT );
         }
     }
 
@@ -345,10 +345,10 @@
     /*
      * order INTEGER
      */
-    if( ( ret = asn1_get_mpi( &p, end, &grp->N ) ) != 0 )
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+    if( ( ret = mbedtls_asn1_get_mpi( &p, end, &grp->N ) ) != 0 )
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
 
-    grp->nbits = mpi_msb( &grp->N );
+    grp->nbits = mbedtls_mpi_msb( &grp->N );
 
     /*
      * Allow optional elements by purposefully not enforcing p == end here.
@@ -361,30 +361,30 @@
  * Find the group id associated with an (almost filled) group as generated by
  * pk_group_from_specified(), or return an error if unknown.
  */
-static int pk_group_id_from_group( const ecp_group *grp, ecp_group_id *grp_id )
+static int pk_group_id_from_group( const mbedtls_ecp_group *grp, mbedtls_ecp_group_id *grp_id )
 {
     int ret = 0;
-    ecp_group ref;
-    const ecp_group_id *id;
+    mbedtls_ecp_group ref;
+    const mbedtls_ecp_group_id *id;
 
-    ecp_group_init( &ref );
+    mbedtls_ecp_group_init( &ref );
 
-    for( id = ecp_grp_id_list(); *id != POLARSSL_ECP_DP_NONE; id++ )
+    for( id = mbedtls_ecp_grp_id_list(); *id != MBEDTLS_ECP_DP_NONE; id++ )
     {
         /* Load the group associated to that id */
-        ecp_group_free( &ref );
-        MPI_CHK( ecp_use_known_dp( &ref, *id ) );
+        mbedtls_ecp_group_free( &ref );
+        MBEDTLS_MPI_CHK( mbedtls_ecp_use_known_dp( &ref, *id ) );
 
         /* Compare to the group we were given, starting with easy tests */
         if( grp->pbits == ref.pbits && grp->nbits == ref.nbits &&
-            mpi_cmp_mpi( &grp->P, &ref.P ) == 0 &&
-            mpi_cmp_mpi( &grp->A, &ref.A ) == 0 &&
-            mpi_cmp_mpi( &grp->B, &ref.B ) == 0 &&
-            mpi_cmp_mpi( &grp->N, &ref.N ) == 0 &&
-            mpi_cmp_mpi( &grp->G.X, &ref.G.X ) == 0 &&
-            mpi_cmp_mpi( &grp->G.Z, &ref.G.Z ) == 0 &&
+            mbedtls_mpi_cmp_mpi( &grp->P, &ref.P ) == 0 &&
+            mbedtls_mpi_cmp_mpi( &grp->A, &ref.A ) == 0 &&
+            mbedtls_mpi_cmp_mpi( &grp->B, &ref.B ) == 0 &&
+            mbedtls_mpi_cmp_mpi( &grp->N, &ref.N ) == 0 &&
+            mbedtls_mpi_cmp_mpi( &grp->G.X, &ref.G.X ) == 0 &&
+            mbedtls_mpi_cmp_mpi( &grp->G.Z, &ref.G.Z ) == 0 &&
             /* For Y we may only know the parity bit, so compare only that */
-            mpi_get_bit( &grp->G.Y, 0 ) == mpi_get_bit( &ref.G.Y, 0 ) )
+            mbedtls_mpi_get_bit( &grp->G.Y, 0 ) == mbedtls_mpi_get_bit( &ref.G.Y, 0 ) )
         {
             break;
         }
@@ -392,12 +392,12 @@
     }
 
 cleanup:
-    ecp_group_free( &ref );
+    mbedtls_ecp_group_free( &ref );
 
     *grp_id = *id;
 
-    if( ret == 0 && *id == POLARSSL_ECP_DP_NONE )
-        ret = POLARSSL_ERR_ECP_FEATURE_UNAVAILABLE;
+    if( ret == 0 && *id == MBEDTLS_ECP_DP_NONE )
+        ret = MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE;
 
     return( ret );
 }
@@ -405,13 +405,13 @@
 /*
  * Parse a SpecifiedECDomain (SEC 1 C.2) and find the associated group ID
  */
-static int pk_group_id_from_specified( const asn1_buf *params,
-                                       ecp_group_id *grp_id )
+static int pk_group_id_from_specified( const mbedtls_asn1_buf *params,
+                                       mbedtls_ecp_group_id *grp_id )
 {
     int ret;
-    ecp_group grp;
+    mbedtls_ecp_group grp;
 
-    ecp_group_init( &grp );
+    mbedtls_ecp_group_init( &grp );
 
     if( ( ret = pk_group_from_specified( params, &grp ) ) != 0 )
         goto cleanup;
@@ -419,11 +419,11 @@
     ret = pk_group_id_from_group( &grp, grp_id );
 
 cleanup:
-    ecp_group_free( &grp );
+    mbedtls_ecp_group_free( &grp );
 
     return( ret );
 }
-#endif /* POLARSSL_PK_PARSE_EC_EXTENDED */
+#endif /* MBEDTLS_PK_PARSE_EC_EXTENDED */
 
 /*
  * Use EC parameters to initialise an EC group
@@ -433,33 +433,33 @@
  *   specifiedCurve     SpecifiedECDomain -- = SEQUENCE { ... }
  *   -- implicitCurve   NULL
  */
-static int pk_use_ecparams( const asn1_buf *params, ecp_group *grp )
+static int pk_use_ecparams( const mbedtls_asn1_buf *params, mbedtls_ecp_group *grp )
 {
     int ret;
-    ecp_group_id grp_id;
+    mbedtls_ecp_group_id grp_id;
 
-    if( params->tag == ASN1_OID )
+    if( params->tag == MBEDTLS_ASN1_OID )
     {
-        if( oid_get_ec_grp( params, &grp_id ) != 0 )
-            return( POLARSSL_ERR_PK_UNKNOWN_NAMED_CURVE );
+        if( mbedtls_oid_get_ec_grp( params, &grp_id ) != 0 )
+            return( MBEDTLS_ERR_PK_UNKNOWN_NAMED_CURVE );
     }
     else
     {
-#if defined(POLARSSL_PK_PARSE_EC_EXTENDED)
+#if defined(MBEDTLS_PK_PARSE_EC_EXTENDED)
         if( ( ret = pk_group_id_from_specified( params, &grp_id ) ) != 0 )
             return( ret );
 #else
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT );
 #endif
     }
 
     /*
      * grp may already be initilialized; if so, make sure IDs match
      */
-    if( grp->id != POLARSSL_ECP_DP_NONE && grp->id != grp_id )
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT );
+    if( grp->id != MBEDTLS_ECP_DP_NONE && grp->id != grp_id )
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT );
 
-    if( ( ret = ecp_use_known_dp( grp, grp_id ) ) != 0 )
+    if( ( ret = mbedtls_ecp_use_known_dp( grp, grp_id ) ) != 0 )
         return( ret );
 
     return( 0 );
@@ -470,29 +470,29 @@
  *
  * The caller is responsible for clearing the structure upon failure if
  * desired. Take care to pass along the possible ECP_FEATURE_UNAVAILABLE
- * return code of ecp_point_read_binary() and leave p in a usable state.
+ * return code of mbedtls_ecp_point_read_binary() and leave p in a usable state.
  */
 static int pk_get_ecpubkey( unsigned char **p, const unsigned char *end,
-                            ecp_keypair *key )
+                            mbedtls_ecp_keypair *key )
 {
     int ret;
 
-    if( ( ret = ecp_point_read_binary( &key->grp, &key->Q,
+    if( ( ret = mbedtls_ecp_point_read_binary( &key->grp, &key->Q,
                     (const unsigned char *) *p, end - *p ) ) == 0 )
     {
-        ret = ecp_check_pubkey( &key->grp, &key->Q );
+        ret = mbedtls_ecp_check_pubkey( &key->grp, &key->Q );
     }
 
     /*
-     * We know ecp_point_read_binary consumed all bytes or failed
+     * We know mbedtls_ecp_point_read_binary consumed all bytes or failed
      */
     *p = (unsigned char *) end;
 
     return( ret );
 }
-#endif /* POLARSSL_ECP_C */
+#endif /* MBEDTLS_ECP_C */
 
-#if defined(POLARSSL_RSA_C)
+#if defined(MBEDTLS_RSA_C)
 /*
  *  RSAPublicKey ::= SEQUENCE {
  *      modulus           INTEGER,  -- n
@@ -501,35 +501,35 @@
  */
 static int pk_get_rsapubkey( unsigned char **p,
                              const unsigned char *end,
-                             rsa_context *rsa )
+                             mbedtls_rsa_context *rsa )
 {
     int ret;
     size_t len;
 
-    if( ( ret = asn1_get_tag( p, end, &len,
-            ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 )
-        return( POLARSSL_ERR_PK_INVALID_PUBKEY + ret );
+    if( ( ret = mbedtls_asn1_get_tag( p, end, &len,
+            MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 )
+        return( MBEDTLS_ERR_PK_INVALID_PUBKEY + ret );
 
     if( *p + len != end )
-        return( POLARSSL_ERR_PK_INVALID_PUBKEY +
-                POLARSSL_ERR_ASN1_LENGTH_MISMATCH );
+        return( MBEDTLS_ERR_PK_INVALID_PUBKEY +
+                MBEDTLS_ERR_ASN1_LENGTH_MISMATCH );
 
-    if( ( ret = asn1_get_mpi( p, end, &rsa->N ) ) != 0 ||
-        ( ret = asn1_get_mpi( p, end, &rsa->E ) ) != 0 )
-        return( POLARSSL_ERR_PK_INVALID_PUBKEY + ret );
+    if( ( ret = mbedtls_asn1_get_mpi( p, end, &rsa->N ) ) != 0 ||
+        ( ret = mbedtls_asn1_get_mpi( p, end, &rsa->E ) ) != 0 )
+        return( MBEDTLS_ERR_PK_INVALID_PUBKEY + ret );
 
     if( *p != end )
-        return( POLARSSL_ERR_PK_INVALID_PUBKEY +
-                POLARSSL_ERR_ASN1_LENGTH_MISMATCH );
+        return( MBEDTLS_ERR_PK_INVALID_PUBKEY +
+                MBEDTLS_ERR_ASN1_LENGTH_MISMATCH );
 
-    if( ( ret = rsa_check_pubkey( rsa ) ) != 0 )
-        return( POLARSSL_ERR_PK_INVALID_PUBKEY );
+    if( ( ret = mbedtls_rsa_check_pubkey( rsa ) ) != 0 )
+        return( MBEDTLS_ERR_PK_INVALID_PUBKEY );
 
-    rsa->len = mpi_size( &rsa->N );
+    rsa->len = mbedtls_mpi_size( &rsa->N );
 
     return( 0 );
 }
-#endif /* POLARSSL_RSA_C */
+#endif /* MBEDTLS_RSA_C */
 
 /* Get a PK algorithm identifier
  *
@@ -539,27 +539,27 @@
  */
 static int pk_get_pk_alg( unsigned char **p,
                           const unsigned char *end,
-                          pk_type_t *pk_alg, asn1_buf *params )
+                          mbedtls_pk_type_t *pk_alg, mbedtls_asn1_buf *params )
 {
     int ret;
-    asn1_buf alg_oid;
+    mbedtls_asn1_buf alg_oid;
 
-    memset( params, 0, sizeof(asn1_buf) );
+    memset( params, 0, sizeof(mbedtls_asn1_buf) );
 
-    if( ( ret = asn1_get_alg( p, end, &alg_oid, params ) ) != 0 )
-        return( POLARSSL_ERR_PK_INVALID_ALG + ret );
+    if( ( ret = mbedtls_asn1_get_alg( p, end, &alg_oid, params ) ) != 0 )
+        return( MBEDTLS_ERR_PK_INVALID_ALG + ret );
 
-    if( oid_get_pk_alg( &alg_oid, pk_alg ) != 0 )
-        return( POLARSSL_ERR_PK_UNKNOWN_PK_ALG );
+    if( mbedtls_oid_get_pk_alg( &alg_oid, pk_alg ) != 0 )
+        return( MBEDTLS_ERR_PK_UNKNOWN_PK_ALG );
 
     /*
      * No parameters with RSA (only for EC)
      */
-    if( *pk_alg == POLARSSL_PK_RSA &&
-            ( ( params->tag != ASN1_NULL && params->tag != 0 ) ||
+    if( *pk_alg == MBEDTLS_PK_RSA &&
+            ( ( params->tag != MBEDTLS_ASN1_NULL && params->tag != 0 ) ||
                 params->len != 0 ) )
     {
-        return( POLARSSL_ERR_PK_INVALID_ALG );
+        return( MBEDTLS_ERR_PK_INVALID_ALG );
     }
 
     return( 0 );
@@ -570,19 +570,19 @@
  *       algorithm            AlgorithmIdentifier,
  *       subjectPublicKey     BIT STRING }
  */
-int pk_parse_subpubkey( unsigned char **p, const unsigned char *end,
-                        pk_context *pk )
+int mbedtls_pk_parse_subpubkey( unsigned char **p, const unsigned char *end,
+                        mbedtls_pk_context *pk )
 {
     int ret;
     size_t len;
-    asn1_buf alg_params;
-    pk_type_t pk_alg = POLARSSL_PK_NONE;
-    const pk_info_t *pk_info;
+    mbedtls_asn1_buf alg_params;
+    mbedtls_pk_type_t pk_alg = MBEDTLS_PK_NONE;
+    const mbedtls_pk_info_t *pk_info;
 
-    if( ( ret = asn1_get_tag( p, end, &len,
-                    ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 )
+    if( ( ret = mbedtls_asn1_get_tag( p, end, &len,
+                    MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 )
     {
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
     }
 
     end = *p + len;
@@ -590,50 +590,50 @@
     if( ( ret = pk_get_pk_alg( p, end, &pk_alg, &alg_params ) ) != 0 )
         return( ret );
 
-    if( ( ret = asn1_get_bitstring_null( p, end, &len ) ) != 0 )
-        return( POLARSSL_ERR_PK_INVALID_PUBKEY + ret );
+    if( ( ret = mbedtls_asn1_get_bitstring_null( p, end, &len ) ) != 0 )
+        return( MBEDTLS_ERR_PK_INVALID_PUBKEY + ret );
 
     if( *p + len != end )
-        return( POLARSSL_ERR_PK_INVALID_PUBKEY +
-                POLARSSL_ERR_ASN1_LENGTH_MISMATCH );
+        return( MBEDTLS_ERR_PK_INVALID_PUBKEY +
+                MBEDTLS_ERR_ASN1_LENGTH_MISMATCH );
 
-    if( ( pk_info = pk_info_from_type( pk_alg ) ) == NULL )
-        return( POLARSSL_ERR_PK_UNKNOWN_PK_ALG );
+    if( ( pk_info = mbedtls_pk_info_from_type( pk_alg ) ) == NULL )
+        return( MBEDTLS_ERR_PK_UNKNOWN_PK_ALG );
 
-    if( ( ret = pk_init_ctx( pk, pk_info ) ) != 0 )
+    if( ( ret = mbedtls_pk_init_ctx( pk, pk_info ) ) != 0 )
         return( ret );
 
-#if defined(POLARSSL_RSA_C)
-    if( pk_alg == POLARSSL_PK_RSA )
+#if defined(MBEDTLS_RSA_C)
+    if( pk_alg == MBEDTLS_PK_RSA )
     {
-        ret = pk_get_rsapubkey( p, end, pk_rsa( *pk ) );
+        ret = pk_get_rsapubkey( p, end, mbedtls_pk_rsa( *pk ) );
     } else
-#endif /* POLARSSL_RSA_C */
-#if defined(POLARSSL_ECP_C)
-    if( pk_alg == POLARSSL_PK_ECKEY_DH || pk_alg == POLARSSL_PK_ECKEY )
+#endif /* MBEDTLS_RSA_C */
+#if defined(MBEDTLS_ECP_C)
+    if( pk_alg == MBEDTLS_PK_ECKEY_DH || pk_alg == MBEDTLS_PK_ECKEY )
     {
-        ret = pk_use_ecparams( &alg_params, &pk_ec( *pk )->grp );
+        ret = pk_use_ecparams( &alg_params, &mbedtls_pk_ec( *pk )->grp );
         if( ret == 0 )
-            ret = pk_get_ecpubkey( p, end, pk_ec( *pk ) );
+            ret = pk_get_ecpubkey( p, end, mbedtls_pk_ec( *pk ) );
     } else
-#endif /* POLARSSL_ECP_C */
-        ret = POLARSSL_ERR_PK_UNKNOWN_PK_ALG;
+#endif /* MBEDTLS_ECP_C */
+        ret = MBEDTLS_ERR_PK_UNKNOWN_PK_ALG;
 
     if( ret == 0 && *p != end )
-        ret = POLARSSL_ERR_PK_INVALID_PUBKEY
-              POLARSSL_ERR_ASN1_LENGTH_MISMATCH;
+        ret = MBEDTLS_ERR_PK_INVALID_PUBKEY
+              MBEDTLS_ERR_ASN1_LENGTH_MISMATCH;
 
     if( ret != 0 )
-        pk_free( pk );
+        mbedtls_pk_free( pk );
 
     return( ret );
 }
 
-#if defined(POLARSSL_RSA_C)
+#if defined(MBEDTLS_RSA_C)
 /*
  * Parse a PKCS#1 encoded private RSA key
  */
-static int pk_parse_key_pkcs1_der( rsa_context *rsa,
+static int pk_parse_key_pkcs1_der( mbedtls_rsa_context *rsa,
                                    const unsigned char *key,
                                    size_t keylen )
 {
@@ -660,68 +660,68 @@
      *      otherPrimeInfos   OtherPrimeInfos OPTIONAL
      *  }
      */
-    if( ( ret = asn1_get_tag( &p, end, &len,
-            ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 )
+    if( ( ret = mbedtls_asn1_get_tag( &p, end, &len,
+            MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 )
     {
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
     }
 
     end = p + len;
 
-    if( ( ret = asn1_get_int( &p, end, &rsa->ver ) ) != 0 )
+    if( ( ret = mbedtls_asn1_get_int( &p, end, &rsa->ver ) ) != 0 )
     {
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
     }
 
     if( rsa->ver != 0 )
     {
-        return( POLARSSL_ERR_PK_KEY_INVALID_VERSION );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_VERSION );
     }
 
-    if( ( ret = asn1_get_mpi( &p, end, &rsa->N  ) ) != 0 ||
-        ( ret = asn1_get_mpi( &p, end, &rsa->E  ) ) != 0 ||
-        ( ret = asn1_get_mpi( &p, end, &rsa->D  ) ) != 0 ||
-        ( ret = asn1_get_mpi( &p, end, &rsa->P  ) ) != 0 ||
-        ( ret = asn1_get_mpi( &p, end, &rsa->Q  ) ) != 0 ||
-        ( ret = asn1_get_mpi( &p, end, &rsa->DP ) ) != 0 ||
-        ( ret = asn1_get_mpi( &p, end, &rsa->DQ ) ) != 0 ||
-        ( ret = asn1_get_mpi( &p, end, &rsa->QP ) ) != 0 )
+    if( ( ret = mbedtls_asn1_get_mpi( &p, end, &rsa->N  ) ) != 0 ||
+        ( ret = mbedtls_asn1_get_mpi( &p, end, &rsa->E  ) ) != 0 ||
+        ( ret = mbedtls_asn1_get_mpi( &p, end, &rsa->D  ) ) != 0 ||
+        ( ret = mbedtls_asn1_get_mpi( &p, end, &rsa->P  ) ) != 0 ||
+        ( ret = mbedtls_asn1_get_mpi( &p, end, &rsa->Q  ) ) != 0 ||
+        ( ret = mbedtls_asn1_get_mpi( &p, end, &rsa->DP ) ) != 0 ||
+        ( ret = mbedtls_asn1_get_mpi( &p, end, &rsa->DQ ) ) != 0 ||
+        ( ret = mbedtls_asn1_get_mpi( &p, end, &rsa->QP ) ) != 0 )
     {
-        rsa_free( rsa );
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+        mbedtls_rsa_free( rsa );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
     }
 
-    rsa->len = mpi_size( &rsa->N );
+    rsa->len = mbedtls_mpi_size( &rsa->N );
 
     if( p != end )
     {
-        rsa_free( rsa );
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT +
-                POLARSSL_ERR_ASN1_LENGTH_MISMATCH );
+        mbedtls_rsa_free( rsa );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT +
+                MBEDTLS_ERR_ASN1_LENGTH_MISMATCH );
     }
 
-    if( ( ret = rsa_check_privkey( rsa ) ) != 0 )
+    if( ( ret = mbedtls_rsa_check_privkey( rsa ) ) != 0 )
     {
-        rsa_free( rsa );
+        mbedtls_rsa_free( rsa );
         return( ret );
     }
 
     return( 0 );
 }
-#endif /* POLARSSL_RSA_C */
+#endif /* MBEDTLS_RSA_C */
 
-#if defined(POLARSSL_ECP_C)
+#if defined(MBEDTLS_ECP_C)
 /*
  * Parse a SEC1 encoded private EC key
  */
-static int pk_parse_key_sec1_der( ecp_keypair *eck,
+static int pk_parse_key_sec1_der( mbedtls_ecp_keypair *eck,
                                   const unsigned char *key,
                                   size_t keylen )
 {
     int ret;
     int version, pubkey_done;
     size_t len;
-    asn1_buf params;
+    mbedtls_asn1_buf params;
     unsigned char *p = (unsigned char *) key;
     unsigned char *end = p + keylen;
     unsigned char *end2;
@@ -736,27 +736,27 @@
      *      publicKey  [1] BIT STRING OPTIONAL
      *    }
      */
-    if( ( ret = asn1_get_tag( &p, end, &len,
-            ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 )
+    if( ( ret = mbedtls_asn1_get_tag( &p, end, &len,
+            MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 )
     {
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
     }
 
     end = p + len;
 
-    if( ( ret = asn1_get_int( &p, end, &version ) ) != 0 )
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+    if( ( ret = mbedtls_asn1_get_int( &p, end, &version ) ) != 0 )
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
 
     if( version != 1 )
-        return( POLARSSL_ERR_PK_KEY_INVALID_VERSION );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_VERSION );
 
-    if( ( ret = asn1_get_tag( &p, end, &len, ASN1_OCTET_STRING ) ) != 0 )
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+    if( ( ret = mbedtls_asn1_get_tag( &p, end, &len, MBEDTLS_ASN1_OCTET_STRING ) ) != 0 )
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
 
-    if( ( ret = mpi_read_binary( &eck->d, p, len ) ) != 0 )
+    if( ( ret = mbedtls_mpi_read_binary( &eck->d, p, len ) ) != 0 )
     {
-        ecp_keypair_free( eck );
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+        mbedtls_ecp_keypair_free( eck );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
     }
 
     p += len;
@@ -764,20 +764,20 @@
     /*
      * Is 'parameters' present?
      */
-    if( ( ret = asn1_get_tag( &p, end, &len,
-                    ASN1_CONTEXT_SPECIFIC | ASN1_CONSTRUCTED | 0 ) ) == 0 )
+    if( ( ret = mbedtls_asn1_get_tag( &p, end, &len,
+                    MBEDTLS_ASN1_CONTEXT_SPECIFIC | MBEDTLS_ASN1_CONSTRUCTED | 0 ) ) == 0 )
     {
         if( ( ret = pk_get_ecparams( &p, p + len, &params) ) != 0 ||
             ( ret = pk_use_ecparams( &params, &eck->grp )  ) != 0 )
         {
-            ecp_keypair_free( eck );
+            mbedtls_ecp_keypair_free( eck );
             return( ret );
         }
     }
-    else if( ret != POLARSSL_ERR_ASN1_UNEXPECTED_TAG )
+    else if( ret != MBEDTLS_ERR_ASN1_UNEXPECTED_TAG )
     {
-        ecp_keypair_free( eck );
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+        mbedtls_ecp_keypair_free( eck );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
     }
 
     /*
@@ -785,17 +785,17 @@
      * is compressed), create it from the private key.
      */
     pubkey_done = 0;
-    if( ( ret = asn1_get_tag( &p, end, &len,
-                    ASN1_CONTEXT_SPECIFIC | ASN1_CONSTRUCTED | 1 ) ) == 0 )
+    if( ( ret = mbedtls_asn1_get_tag( &p, end, &len,
+                    MBEDTLS_ASN1_CONTEXT_SPECIFIC | MBEDTLS_ASN1_CONSTRUCTED | 1 ) ) == 0 )
     {
         end2 = p + len;
 
-        if( ( ret = asn1_get_bitstring_null( &p, end2, &len ) ) != 0 )
-            return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+        if( ( ret = mbedtls_asn1_get_bitstring_null( &p, end2, &len ) ) != 0 )
+            return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
 
         if( p + len != end2 )
-            return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT +
-                    POLARSSL_ERR_ASN1_LENGTH_MISMATCH );
+            return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT +
+                    MBEDTLS_ERR_ASN1_LENGTH_MISMATCH );
 
         if( ( ret = pk_get_ecpubkey( &p, end2, eck ) ) == 0 )
             pubkey_done = 1;
@@ -805,49 +805,49 @@
              * The only acceptable failure mode of pk_get_ecpubkey() above
              * is if the point format is not recognized.
              */
-            if( ret != POLARSSL_ERR_ECP_FEATURE_UNAVAILABLE )
-                return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT );
+            if( ret != MBEDTLS_ERR_ECP_FEATURE_UNAVAILABLE )
+                return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT );
         }
     }
-    else if( ret != POLARSSL_ERR_ASN1_UNEXPECTED_TAG )
+    else if( ret != MBEDTLS_ERR_ASN1_UNEXPECTED_TAG )
     {
-        ecp_keypair_free( eck );
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+        mbedtls_ecp_keypair_free( eck );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
     }
 
     if( ! pubkey_done &&
-        ( ret = ecp_mul( &eck->grp, &eck->Q, &eck->d, &eck->grp.G,
+        ( ret = mbedtls_ecp_mul( &eck->grp, &eck->Q, &eck->d, &eck->grp.G,
                                                       NULL, NULL ) ) != 0 )
     {
-        ecp_keypair_free( eck );
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+        mbedtls_ecp_keypair_free( eck );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
     }
 
-    if( ( ret = ecp_check_privkey( &eck->grp, &eck->d ) ) != 0 )
+    if( ( ret = mbedtls_ecp_check_privkey( &eck->grp, &eck->d ) ) != 0 )
     {
-        ecp_keypair_free( eck );
+        mbedtls_ecp_keypair_free( eck );
         return( ret );
     }
 
     return( 0 );
 }
-#endif /* POLARSSL_ECP_C */
+#endif /* MBEDTLS_ECP_C */
 
 /*
  * Parse an unencrypted PKCS#8 encoded private key
  */
 static int pk_parse_key_pkcs8_unencrypted_der(
-                                    pk_context *pk,
+                                    mbedtls_pk_context *pk,
                                     const unsigned char* key,
                                     size_t keylen )
 {
     int ret, version;
     size_t len;
-    asn1_buf params;
+    mbedtls_asn1_buf params;
     unsigned char *p = (unsigned char *) key;
     unsigned char *end = p + keylen;
-    pk_type_t pk_alg = POLARSSL_PK_NONE;
-    const pk_info_t *pk_info;
+    mbedtls_pk_type_t pk_alg = MBEDTLS_PK_NONE;
+    const mbedtls_pk_info_t *pk_info;
 
     /*
      * This function parses the PrivatKeyInfo object (PKCS#8 v1.2 = RFC 5208)
@@ -865,58 +865,58 @@
      *  The PrivateKey OCTET STRING is a SEC1 ECPrivateKey
      */
 
-    if( ( ret = asn1_get_tag( &p, end, &len,
-            ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 )
+    if( ( ret = mbedtls_asn1_get_tag( &p, end, &len,
+            MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 )
     {
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
     }
 
     end = p + len;
 
-    if( ( ret = asn1_get_int( &p, end, &version ) ) != 0 )
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+    if( ( ret = mbedtls_asn1_get_int( &p, end, &version ) ) != 0 )
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
 
     if( version != 0 )
-        return( POLARSSL_ERR_PK_KEY_INVALID_VERSION + ret );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_VERSION + ret );
 
     if( ( ret = pk_get_pk_alg( &p, end, &pk_alg, &params ) ) != 0 )
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
 
-    if( ( ret = asn1_get_tag( &p, end, &len, ASN1_OCTET_STRING ) ) != 0 )
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+    if( ( ret = mbedtls_asn1_get_tag( &p, end, &len, MBEDTLS_ASN1_OCTET_STRING ) ) != 0 )
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
 
     if( len < 1 )
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT +
-                POLARSSL_ERR_ASN1_OUT_OF_DATA );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT +
+                MBEDTLS_ERR_ASN1_OUT_OF_DATA );
 
-    if( ( pk_info = pk_info_from_type( pk_alg ) ) == NULL )
-        return( POLARSSL_ERR_PK_UNKNOWN_PK_ALG );
+    if( ( pk_info = mbedtls_pk_info_from_type( pk_alg ) ) == NULL )
+        return( MBEDTLS_ERR_PK_UNKNOWN_PK_ALG );
 
-    if( ( ret = pk_init_ctx( pk, pk_info ) ) != 0 )
+    if( ( ret = mbedtls_pk_init_ctx( pk, pk_info ) ) != 0 )
         return( ret );
 
-#if defined(POLARSSL_RSA_C)
-    if( pk_alg == POLARSSL_PK_RSA )
+#if defined(MBEDTLS_RSA_C)
+    if( pk_alg == MBEDTLS_PK_RSA )
     {
-        if( ( ret = pk_parse_key_pkcs1_der( pk_rsa( *pk ), p, len ) ) != 0 )
+        if( ( ret = pk_parse_key_pkcs1_der( mbedtls_pk_rsa( *pk ), p, len ) ) != 0 )
         {
-            pk_free( pk );
+            mbedtls_pk_free( pk );
             return( ret );
         }
     } else
-#endif /* POLARSSL_RSA_C */
-#if defined(POLARSSL_ECP_C)
-    if( pk_alg == POLARSSL_PK_ECKEY || pk_alg == POLARSSL_PK_ECKEY_DH )
+#endif /* MBEDTLS_RSA_C */
+#if defined(MBEDTLS_ECP_C)
+    if( pk_alg == MBEDTLS_PK_ECKEY || pk_alg == MBEDTLS_PK_ECKEY_DH )
     {
-        if( ( ret = pk_use_ecparams( &params, &pk_ec( *pk )->grp ) ) != 0 ||
-            ( ret = pk_parse_key_sec1_der( pk_ec( *pk ), p, len )  ) != 0 )
+        if( ( ret = pk_use_ecparams( &params, &mbedtls_pk_ec( *pk )->grp ) ) != 0 ||
+            ( ret = pk_parse_key_sec1_der( mbedtls_pk_ec( *pk ), p, len )  ) != 0 )
         {
-            pk_free( pk );
+            mbedtls_pk_free( pk );
             return( ret );
         }
     } else
-#endif /* POLARSSL_ECP_C */
-        return( POLARSSL_ERR_PK_UNKNOWN_PK_ALG );
+#endif /* MBEDTLS_ECP_C */
+        return( MBEDTLS_ERR_PK_UNKNOWN_PK_ALG );
 
     return( 0 );
 }
@@ -924,9 +924,9 @@
 /*
  * Parse an encrypted PKCS#8 encoded private key
  */
-#if defined(POLARSSL_PKCS12_C) || defined(POLARSSL_PKCS5_C)
+#if defined(MBEDTLS_PKCS12_C) || defined(MBEDTLS_PKCS5_C)
 static int pk_parse_key_pkcs8_encrypted_der(
-                                    pk_context *pk,
+                                    mbedtls_pk_context *pk,
                                     const unsigned char *key, size_t keylen,
                                     const unsigned char *pwd, size_t pwdlen )
 {
@@ -934,10 +934,10 @@
     size_t len;
     unsigned char buf[2048];
     unsigned char *p, *end;
-    asn1_buf pbe_alg_oid, pbe_params;
-#if defined(POLARSSL_PKCS12_C)
-    cipher_type_t cipher_alg;
-    md_type_t md_alg;
+    mbedtls_asn1_buf pbe_alg_oid, pbe_params;
+#if defined(MBEDTLS_PKCS12_C)
+    mbedtls_cipher_type_t cipher_alg;
+    mbedtls_md_type_t md_alg;
 #endif
 
     memset( buf, 0, sizeof( buf ) );
@@ -946,7 +946,7 @@
     end = p + keylen;
 
     if( pwdlen == 0 )
-        return( POLARSSL_ERR_PK_PASSWORD_REQUIRED );
+        return( MBEDTLS_ERR_PK_PASSWORD_REQUIRED );
 
     /*
      * This function parses the EncryptedPrivatKeyInfo object (PKCS#8)
@@ -962,45 +962,45 @@
      *
      *  The EncryptedData OCTET STRING is a PKCS#8 PrivateKeyInfo
      */
-    if( ( ret = asn1_get_tag( &p, end, &len,
-            ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 )
+    if( ( ret = mbedtls_asn1_get_tag( &p, end, &len,
+            MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) ) != 0 )
     {
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
     }
 
     end = p + len;
 
-    if( ( ret = asn1_get_alg( &p, end, &pbe_alg_oid, &pbe_params ) ) != 0 )
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+    if( ( ret = mbedtls_asn1_get_alg( &p, end, &pbe_alg_oid, &pbe_params ) ) != 0 )
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
 
-    if( ( ret = asn1_get_tag( &p, end, &len, ASN1_OCTET_STRING ) ) != 0 )
-        return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT + ret );
+    if( ( ret = mbedtls_asn1_get_tag( &p, end, &len, MBEDTLS_ASN1_OCTET_STRING ) ) != 0 )
+        return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT + ret );
 
     if( len > sizeof( buf ) )
-        return( POLARSSL_ERR_PK_BAD_INPUT_DATA );
+        return( MBEDTLS_ERR_PK_BAD_INPUT_DATA );
 
     /*
      * Decrypt EncryptedData with appropriate PDE
      */
-#if defined(POLARSSL_PKCS12_C)
-    if( oid_get_pkcs12_pbe_alg( &pbe_alg_oid, &md_alg, &cipher_alg ) == 0 )
+#if defined(MBEDTLS_PKCS12_C)
+    if( mbedtls_oid_get_pkcs12_pbe_alg( &pbe_alg_oid, &md_alg, &cipher_alg ) == 0 )
     {
-        if( ( ret = pkcs12_pbe( &pbe_params, PKCS12_PBE_DECRYPT,
+        if( ( ret = mbedtls_pkcs12_pbe( &pbe_params, MBEDTLS_PKCS12_PBE_DECRYPT,
                                 cipher_alg, md_alg,
                                 pwd, pwdlen, p, len, buf ) ) != 0 )
         {
-            if( ret == POLARSSL_ERR_PKCS12_PASSWORD_MISMATCH )
-                return( POLARSSL_ERR_PK_PASSWORD_MISMATCH );
+            if( ret == MBEDTLS_ERR_PKCS12_PASSWORD_MISMATCH )
+                return( MBEDTLS_ERR_PK_PASSWORD_MISMATCH );
 
             return( ret );
         }
 
         decrypted = 1;
     }
-    else if( OID_CMP( OID_PKCS12_PBE_SHA1_RC4_128, &pbe_alg_oid ) == 0 )
+    else if( MBEDTLS_OID_CMP( MBEDTLS_OID_PKCS12_PBE_SHA1_RC4_128, &pbe_alg_oid ) == 0 )
     {
-        if( ( ret = pkcs12_pbe_sha1_rc4_128( &pbe_params,
-                                             PKCS12_PBE_DECRYPT,
+        if( ( ret = mbedtls_pkcs12_pbe_sha1_rc4_128( &pbe_params,
+                                             MBEDTLS_PKCS12_PBE_DECRYPT,
                                              pwd, pwdlen,
                                              p, len, buf ) ) != 0 )
         {
@@ -1008,23 +1008,23 @@
         }
 
         // Best guess for password mismatch when using RC4. If first tag is
-        // not ASN1_CONSTRUCTED | ASN1_SEQUENCE
+        // not MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE
         //
-        if( *buf != ( ASN1_CONSTRUCTED | ASN1_SEQUENCE ) )
-            return( POLARSSL_ERR_PK_PASSWORD_MISMATCH );
+        if( *buf != ( MBEDTLS_ASN1_CONSTRUCTED | MBEDTLS_ASN1_SEQUENCE ) )
+            return( MBEDTLS_ERR_PK_PASSWORD_MISMATCH );
 
         decrypted = 1;
     }
     else
-#endif /* POLARSSL_PKCS12_C */
-#if defined(POLARSSL_PKCS5_C)
-    if( OID_CMP( OID_PKCS5_PBES2, &pbe_alg_oid ) == 0 )
+#endif /* MBEDTLS_PKCS12_C */
+#if defined(MBEDTLS_PKCS5_C)
+    if( MBEDTLS_OID_CMP( MBEDTLS_OID_PKCS5_PBES2, &pbe_alg_oid ) == 0 )
     {
-        if( ( ret = pkcs5_pbes2( &pbe_params, PKCS5_DECRYPT, pwd, pwdlen,
+        if( ( ret = mbedtls_pkcs5_pbes2( &pbe_params, MBEDTLS_PKCS5_DECRYPT, pwd, pwdlen,
                                   p, len, buf ) ) != 0 )
         {
-            if( ret == POLARSSL_ERR_PKCS5_PASSWORD_MISMATCH )
-                return( POLARSSL_ERR_PK_PASSWORD_MISMATCH );
+            if( ret == MBEDTLS_ERR_PKCS5_PASSWORD_MISMATCH )
+                return( MBEDTLS_ERR_PK_PASSWORD_MISMATCH );
 
             return( ret );
         }
@@ -1032,91 +1032,91 @@
         decrypted = 1;
     }
     else
-#endif /* POLARSSL_PKCS5_C */
+#endif /* MBEDTLS_PKCS5_C */
     {
         ((void) pwd);
     }
 
     if( decrypted == 0 )
-        return( POLARSSL_ERR_PK_FEATURE_UNAVAILABLE );
+        return( MBEDTLS_ERR_PK_FEATURE_UNAVAILABLE );
 
     return( pk_parse_key_pkcs8_unencrypted_der( pk, buf, len ) );
 }
-#endif /* POLARSSL_PKCS12_C || POLARSSL_PKCS5_C */
+#endif /* MBEDTLS_PKCS12_C || MBEDTLS_PKCS5_C */
 
 /*
  * Parse a private key
  */
-int pk_parse_key( pk_context *pk,
+int mbedtls_pk_parse_key( mbedtls_pk_context *pk,
                   const unsigned char *key, size_t keylen,
                   const unsigned char *pwd, size_t pwdlen )
 {
     int ret;
-    const pk_info_t *pk_info;
+    const mbedtls_pk_info_t *pk_info;
 
-#if defined(POLARSSL_PEM_PARSE_C)
+#if defined(MBEDTLS_PEM_PARSE_C)
     size_t len;
-    pem_context pem;
+    mbedtls_pem_context pem;
 
-    pem_init( &pem );
+    mbedtls_pem_init( &pem );
 
-#if defined(POLARSSL_RSA_C)
-    ret = pem_read_buffer( &pem,
+#if defined(MBEDTLS_RSA_C)
+    ret = mbedtls_pem_read_buffer( &pem,
                            "-----BEGIN RSA PRIVATE KEY-----",
                            "-----END RSA PRIVATE KEY-----",
                            key, pwd, pwdlen, &len );
     if( ret == 0 )
     {
-        if( ( pk_info = pk_info_from_type( POLARSSL_PK_RSA ) ) == NULL )
-            return( POLARSSL_ERR_PK_UNKNOWN_PK_ALG );
+        if( ( pk_info = mbedtls_pk_info_from_type( MBEDTLS_PK_RSA ) ) == NULL )
+            return( MBEDTLS_ERR_PK_UNKNOWN_PK_ALG );
 
-        if( ( ret = pk_init_ctx( pk, pk_info                    ) ) != 0 ||
-            ( ret = pk_parse_key_pkcs1_der( pk_rsa( *pk ),
+        if( ( ret = mbedtls_pk_init_ctx( pk, pk_info                    ) ) != 0 ||
+            ( ret = pk_parse_key_pkcs1_der( mbedtls_pk_rsa( *pk ),
                                             pem.buf, pem.buflen ) ) != 0 )
         {
-            pk_free( pk );
+            mbedtls_pk_free( pk );
         }
 
-        pem_free( &pem );
+        mbedtls_pem_free( &pem );
         return( ret );
     }
-    else if( ret == POLARSSL_ERR_PEM_PASSWORD_MISMATCH )
-        return( POLARSSL_ERR_PK_PASSWORD_MISMATCH );
-    else if( ret == POLARSSL_ERR_PEM_PASSWORD_REQUIRED )
-        return( POLARSSL_ERR_PK_PASSWORD_REQUIRED );
-    else if( ret != POLARSSL_ERR_PEM_NO_HEADER_FOOTER_PRESENT )
+    else if( ret == MBEDTLS_ERR_PEM_PASSWORD_MISMATCH )
+        return( MBEDTLS_ERR_PK_PASSWORD_MISMATCH );
+    else if( ret == MBEDTLS_ERR_PEM_PASSWORD_REQUIRED )
+        return( MBEDTLS_ERR_PK_PASSWORD_REQUIRED );
+    else if( ret != MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT )
         return( ret );
-#endif /* POLARSSL_RSA_C */
+#endif /* MBEDTLS_RSA_C */
 
-#if defined(POLARSSL_ECP_C)
-    ret = pem_read_buffer( &pem,
+#if defined(MBEDTLS_ECP_C)
+    ret = mbedtls_pem_read_buffer( &pem,
                            "-----BEGIN EC PRIVATE KEY-----",
                            "-----END EC PRIVATE KEY-----",
                            key, pwd, pwdlen, &len );
     if( ret == 0 )
     {
-        if( ( pk_info = pk_info_from_type( POLARSSL_PK_ECKEY ) ) == NULL )
-            return( POLARSSL_ERR_PK_UNKNOWN_PK_ALG );
+        if( ( pk_info = mbedtls_pk_info_from_type( MBEDTLS_PK_ECKEY ) ) == NULL )
+            return( MBEDTLS_ERR_PK_UNKNOWN_PK_ALG );
 
-        if( ( ret = pk_init_ctx( pk, pk_info                   ) ) != 0 ||
-            ( ret = pk_parse_key_sec1_der( pk_ec( *pk ),
+        if( ( ret = mbedtls_pk_init_ctx( pk, pk_info                   ) ) != 0 ||
+            ( ret = pk_parse_key_sec1_der( mbedtls_pk_ec( *pk ),
                                            pem.buf, pem.buflen ) ) != 0 )
         {
-            pk_free( pk );
+            mbedtls_pk_free( pk );
         }
 
-        pem_free( &pem );
+        mbedtls_pem_free( &pem );
         return( ret );
     }
-    else if( ret == POLARSSL_ERR_PEM_PASSWORD_MISMATCH )
-        return( POLARSSL_ERR_PK_PASSWORD_MISMATCH );
-    else if( ret == POLARSSL_ERR_PEM_PASSWORD_REQUIRED )
-        return( POLARSSL_ERR_PK_PASSWORD_REQUIRED );
-    else if( ret != POLARSSL_ERR_PEM_NO_HEADER_FOOTER_PRESENT )
+    else if( ret == MBEDTLS_ERR_PEM_PASSWORD_MISMATCH )
+        return( MBEDTLS_ERR_PK_PASSWORD_MISMATCH );
+    else if( ret == MBEDTLS_ERR_PEM_PASSWORD_REQUIRED )
+        return( MBEDTLS_ERR_PK_PASSWORD_REQUIRED );
+    else if( ret != MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT )
         return( ret );
-#endif /* POLARSSL_ECP_C */
+#endif /* MBEDTLS_ECP_C */
 
-    ret = pem_read_buffer( &pem,
+    ret = mbedtls_pem_read_buffer( &pem,
                            "-----BEGIN PRIVATE KEY-----",
                            "-----END PRIVATE KEY-----",
                            key, NULL, 0, &len );
@@ -1125,17 +1125,17 @@
         if( ( ret = pk_parse_key_pkcs8_unencrypted_der( pk,
                                                 pem.buf, pem.buflen ) ) != 0 )
         {
-            pk_free( pk );
+            mbedtls_pk_free( pk );
         }
 
-        pem_free( &pem );
+        mbedtls_pem_free( &pem );
         return( ret );
     }
-    else if( ret != POLARSSL_ERR_PEM_NO_HEADER_FOOTER_PRESENT )
+    else if( ret != MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT )
         return( ret );
 
-#if defined(POLARSSL_PKCS12_C) || defined(POLARSSL_PKCS5_C)
-    ret = pem_read_buffer( &pem,
+#if defined(MBEDTLS_PKCS12_C) || defined(MBEDTLS_PKCS5_C)
+    ret = mbedtls_pem_read_buffer( &pem,
                            "-----BEGIN ENCRYPTED PRIVATE KEY-----",
                            "-----END ENCRYPTED PRIVATE KEY-----",
                            key, NULL, 0, &len );
@@ -1145,19 +1145,19 @@
                                                       pem.buf, pem.buflen,
                                                       pwd, pwdlen ) ) != 0 )
         {
-            pk_free( pk );
+            mbedtls_pk_free( pk );
         }
 
-        pem_free( &pem );
+        mbedtls_pem_free( &pem );
         return( ret );
     }
-    else if( ret != POLARSSL_ERR_PEM_NO_HEADER_FOOTER_PRESENT )
+    else if( ret != MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT )
         return( ret );
-#endif /* POLARSSL_PKCS12_C || POLARSSL_PKCS5_C */
+#endif /* MBEDTLS_PKCS12_C || MBEDTLS_PKCS5_C */
 #else
     ((void) pwd);
     ((void) pwdlen);
-#endif /* POLARSSL_PEM_PARSE_C */
+#endif /* MBEDTLS_PEM_PARSE_C */
 
     /*
     * At this point we only know it's not a PEM formatted key. Could be any
@@ -1166,69 +1166,69 @@
     * We try the different DER format parsers to see if one passes without
     * error
     */
-#if defined(POLARSSL_PKCS12_C) || defined(POLARSSL_PKCS5_C)
+#if defined(MBEDTLS_PKCS12_C) || defined(MBEDTLS_PKCS5_C)
     if( ( ret = pk_parse_key_pkcs8_encrypted_der( pk, key, keylen,
                                                   pwd, pwdlen ) ) == 0 )
     {
         return( 0 );
     }
 
-    pk_free( pk );
+    mbedtls_pk_free( pk );
 
-    if( ret == POLARSSL_ERR_PK_PASSWORD_MISMATCH )
+    if( ret == MBEDTLS_ERR_PK_PASSWORD_MISMATCH )
     {
         return( ret );
     }
-#endif /* POLARSSL_PKCS12_C || POLARSSL_PKCS5_C */
+#endif /* MBEDTLS_PKCS12_C || MBEDTLS_PKCS5_C */
 
     if( ( ret = pk_parse_key_pkcs8_unencrypted_der( pk, key, keylen ) ) == 0 )
         return( 0 );
 
-    pk_free( pk );
+    mbedtls_pk_free( pk );
 
-#if defined(POLARSSL_RSA_C)
-    if( ( pk_info = pk_info_from_type( POLARSSL_PK_RSA ) ) == NULL )
-        return( POLARSSL_ERR_PK_UNKNOWN_PK_ALG );
+#if defined(MBEDTLS_RSA_C)
+    if( ( pk_info = mbedtls_pk_info_from_type( MBEDTLS_PK_RSA ) ) == NULL )
+        return( MBEDTLS_ERR_PK_UNKNOWN_PK_ALG );
 
-    if( ( ret = pk_init_ctx( pk, pk_info                           ) ) != 0 ||
-        ( ret = pk_parse_key_pkcs1_der( pk_rsa( *pk ), key, keylen ) ) == 0 )
+    if( ( ret = mbedtls_pk_init_ctx( pk, pk_info                           ) ) != 0 ||
+        ( ret = pk_parse_key_pkcs1_der( mbedtls_pk_rsa( *pk ), key, keylen ) ) == 0 )
     {
         return( 0 );
     }
 
-    pk_free( pk );
-#endif /* POLARSSL_RSA_C */
+    mbedtls_pk_free( pk );
+#endif /* MBEDTLS_RSA_C */
 
-#if defined(POLARSSL_ECP_C)
-    if( ( pk_info = pk_info_from_type( POLARSSL_PK_ECKEY ) ) == NULL )
-        return( POLARSSL_ERR_PK_UNKNOWN_PK_ALG );
+#if defined(MBEDTLS_ECP_C)
+    if( ( pk_info = mbedtls_pk_info_from_type( MBEDTLS_PK_ECKEY ) ) == NULL )
+        return( MBEDTLS_ERR_PK_UNKNOWN_PK_ALG );
 
-    if( ( ret = pk_init_ctx( pk, pk_info                         ) ) != 0 ||
-        ( ret = pk_parse_key_sec1_der( pk_ec( *pk ), key, keylen ) ) == 0 )
+    if( ( ret = mbedtls_pk_init_ctx( pk, pk_info                         ) ) != 0 ||
+        ( ret = pk_parse_key_sec1_der( mbedtls_pk_ec( *pk ), key, keylen ) ) == 0 )
     {
         return( 0 );
     }
 
-    pk_free( pk );
-#endif /* POLARSSL_ECP_C */
+    mbedtls_pk_free( pk );
+#endif /* MBEDTLS_ECP_C */
 
-    return( POLARSSL_ERR_PK_KEY_INVALID_FORMAT );
+    return( MBEDTLS_ERR_PK_KEY_INVALID_FORMAT );
 }
 
 /*
  * Parse a public key
  */
-int pk_parse_public_key( pk_context *ctx,
+int mbedtls_pk_parse_public_key( mbedtls_pk_context *ctx,
                          const unsigned char *key, size_t keylen )
 {
     int ret;
     unsigned char *p;
-#if defined(POLARSSL_PEM_PARSE_C)
+#if defined(MBEDTLS_PEM_PARSE_C)
     size_t len;
-    pem_context pem;
+    mbedtls_pem_context pem;
 
-    pem_init( &pem );
-    ret = pem_read_buffer( &pem,
+    mbedtls_pem_init( &pem );
+    ret = mbedtls_pem_read_buffer( &pem,
             "-----BEGIN PUBLIC KEY-----",
             "-----END PUBLIC KEY-----",
             key, NULL, 0, &len );
@@ -1241,21 +1241,21 @@
         key = pem.buf;
         keylen = pem.buflen;
     }
-    else if( ret != POLARSSL_ERR_PEM_NO_HEADER_FOOTER_PRESENT )
+    else if( ret != MBEDTLS_ERR_PEM_NO_HEADER_FOOTER_PRESENT )
     {
-        pem_free( &pem );
+        mbedtls_pem_free( &pem );
         return( ret );
     }
-#endif /* POLARSSL_PEM_PARSE_C */
+#endif /* MBEDTLS_PEM_PARSE_C */
     p = (unsigned char *) key;
 
-    ret = pk_parse_subpubkey( &p, p + keylen, ctx );
+    ret = mbedtls_pk_parse_subpubkey( &p, p + keylen, ctx );
 
-#if defined(POLARSSL_PEM_PARSE_C)
-    pem_free( &pem );
+#if defined(MBEDTLS_PEM_PARSE_C)
+    mbedtls_pem_free( &pem );
 #endif
 
     return( ret );
 }
 
-#endif /* POLARSSL_PK_PARSE_C */
+#endif /* MBEDTLS_PK_PARSE_C */