Diff: polarssl/md_wrap.c

Revision:

0:137634ff4186

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/polarssl/md_wrap.c	Thu Jun 11 03:27:03 2015 +0000
@@ -0,0 +1,952 @@
+/**
+ * \file md_wrap.c
+
+ * \brief Generic message digest wrapper for mbed TLS
+ *
+ * \author Adriaan de Jong <dejong@fox-it.com>
+ *
+ *  Copyright (C) 2006-2014, ARM Limited, All Rights Reserved
+ *
+ *  This file is part of mbed TLS (https://tls.mbed.org)
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#if !defined(POLARSSL_CONFIG_FILE)
+#include "polarssl/config.h"
+#else
+#include POLARSSL_CONFIG_FILE
+#endif
+
+#if defined(POLARSSL_MD_C)
+
+#include "polarssl/md_wrap.h"
+
+#if defined(POLARSSL_MD2_C)
+#include "polarssl/md2.h"
+#endif
+
+#if defined(POLARSSL_MD4_C)
+#include "polarssl/md4.h"
+#endif
+
+#if defined(POLARSSL_MD5_C)
+#include "polarssl/md5.h"
+#endif
+
+#if defined(POLARSSL_RIPEMD160_C)
+#include "polarssl/ripemd160.h"
+#endif
+
+#if defined(POLARSSL_SHA1_C)
+#include "polarssl/sha1.h"
+#endif
+
+#if defined(POLARSSL_SHA256_C)
+#include "polarssl/sha256.h"
+#endif
+
+#if defined(POLARSSL_SHA512_C)
+#include "polarssl/sha512.h"
+#endif
+
+#if defined(POLARSSL_PLATFORM_C)
+#include "polarssl/platform.h"
+#else
+#include <stdlib.h>
+#define polarssl_malloc     malloc
+#define polarssl_free       free
+#endif
+
+/* Implementation that should never be optimized out by the compiler */
+static void polarssl_zeroize( void *v, size_t n ) {
+    volatile unsigned char *p = v; while( n-- ) *p++ = 0;
+}
+
+#if defined(POLARSSL_MD2_C)
+
+static void md2_starts_wrap( void *ctx )
+{
+    md2_starts( (md2_context *) ctx );
+}
+
+static void md2_update_wrap( void *ctx, const unsigned char *input,
+                             size_t ilen )
+{
+    md2_update( (md2_context *) ctx, input, ilen );
+}
+
+static void md2_finish_wrap( void *ctx, unsigned char *output )
+{
+    md2_finish( (md2_context *) ctx, output );
+}
+
+static int md2_file_wrap( const char *path, unsigned char *output )
+{
+#if defined(POLARSSL_FS_IO)
+    return md2_file( path, output );
+#else
+    ((void) path);
+    ((void) output);
+    return( POLARSSL_ERR_MD_FEATURE_UNAVAILABLE );
+#endif
+}
+
+static void md2_hmac_starts_wrap( void *ctx, const unsigned char *key,
+                                  size_t keylen )
+{
+    md2_hmac_starts( (md2_context *) ctx, key, keylen );
+}
+
+static void md2_hmac_update_wrap( void *ctx, const unsigned char *input,
+                                  size_t ilen )
+{
+    md2_hmac_update( (md2_context *) ctx, input, ilen );
+}
+
+static void md2_hmac_finish_wrap( void *ctx, unsigned char *output )
+{
+    md2_hmac_finish( (md2_context *) ctx, output );
+}
+
+static void md2_hmac_reset_wrap( void *ctx )
+{
+    md2_hmac_reset( (md2_context *) ctx );
+}
+
+static void * md2_ctx_alloc( void )
+{
+    return polarssl_malloc( sizeof( md2_context ) );
+}
+
+static void md2_ctx_free( void *ctx )
+{
+    polarssl_zeroize( ctx, sizeof( md2_context ) );
+    polarssl_free( ctx );
+}
+
+static void md2_process_wrap( void *ctx, const unsigned char *data )
+{
+    ((void) data);
+
+    md2_process( (md2_context *) ctx );
+}
+
+const md_info_t md2_info = {
+    POLARSSL_MD_MD2,
+    "MD2",
+    16,
+    md2_starts_wrap,
+    md2_update_wrap,
+    md2_finish_wrap,
+    md2,
+    md2_file_wrap,
+    md2_hmac_starts_wrap,
+    md2_hmac_update_wrap,
+    md2_hmac_finish_wrap,
+    md2_hmac_reset_wrap,
+    md2_hmac,
+    md2_ctx_alloc,
+    md2_ctx_free,
+    md2_process_wrap,
+};
+
+#endif /* POLARSSL_MD2_C */
+
+#if defined(POLARSSL_MD4_C)
+
+static void md4_starts_wrap( void *ctx )
+{
+    md4_starts( (md4_context *) ctx );
+}
+
+static void md4_update_wrap( void *ctx, const unsigned char *input,
+                             size_t ilen )
+{
+    md4_update( (md4_context *) ctx, input, ilen );
+}
+
+static void md4_finish_wrap( void *ctx, unsigned char *output )
+{
+    md4_finish( (md4_context *) ctx, output );
+}
+
+static int md4_file_wrap( const char *path, unsigned char *output )
+{
+#if defined(POLARSSL_FS_IO)
+    return md4_file( path, output );
+#else
+    ((void) path);
+    ((void) output);
+    return( POLARSSL_ERR_MD_FEATURE_UNAVAILABLE );
+#endif
+}
+
+static void md4_hmac_starts_wrap( void *ctx, const unsigned char *key,
+                                  size_t keylen )
+{
+    md4_hmac_starts( (md4_context *) ctx, key, keylen );
+}
+
+static void md4_hmac_update_wrap( void *ctx, const unsigned char *input,
+                                  size_t ilen )
+{
+    md4_hmac_update( (md4_context *) ctx, input, ilen );
+}
+
+static void md4_hmac_finish_wrap( void *ctx, unsigned char *output )
+{
+    md4_hmac_finish( (md4_context *) ctx, output );
+}
+
+static void md4_hmac_reset_wrap( void *ctx )
+{
+    md4_hmac_reset( (md4_context *) ctx );
+}
+
+static void *md4_ctx_alloc( void )
+{
+    return polarssl_malloc( sizeof( md4_context ) );
+}
+
+static void md4_ctx_free( void *ctx )
+{
+    polarssl_zeroize( ctx, sizeof( md4_context ) );
+    polarssl_free( ctx );
+}
+
+static void md4_process_wrap( void *ctx, const unsigned char *data )
+{
+    md4_process( (md4_context *) ctx, data );
+}
+
+const md_info_t md4_info = {
+    POLARSSL_MD_MD4,
+    "MD4",
+    16,
+    md4_starts_wrap,
+    md4_update_wrap,
+    md4_finish_wrap,
+    md4,
+    md4_file_wrap,
+    md4_hmac_starts_wrap,
+    md4_hmac_update_wrap,
+    md4_hmac_finish_wrap,
+    md4_hmac_reset_wrap,
+    md4_hmac,
+    md4_ctx_alloc,
+    md4_ctx_free,
+    md4_process_wrap,
+};
+
+#endif /* POLARSSL_MD4_C */
+
+#if defined(POLARSSL_MD5_C)
+
+static void md5_starts_wrap( void *ctx )
+{
+    md5_starts( (md5_context *) ctx );
+}
+
+static void md5_update_wrap( void *ctx, const unsigned char *input,
+                             size_t ilen )
+{
+    md5_update( (md5_context *) ctx, input, ilen );
+}
+
+static void md5_finish_wrap( void *ctx, unsigned char *output )
+{
+    md5_finish( (md5_context *) ctx, output );
+}
+
+static int md5_file_wrap( const char *path, unsigned char *output )
+{
+#if defined(POLARSSL_FS_IO)
+    return md5_file( path, output );
+#else
+    ((void) path);
+    ((void) output);
+    return( POLARSSL_ERR_MD_FEATURE_UNAVAILABLE );
+#endif
+}
+
+static void md5_hmac_starts_wrap( void *ctx, const unsigned char *key,
+                                  size_t keylen )
+{
+    md5_hmac_starts( (md5_context *) ctx, key, keylen );
+}
+
+static void md5_hmac_update_wrap( void *ctx, const unsigned char *input,
+                                  size_t ilen )
+{
+    md5_hmac_update( (md5_context *) ctx, input, ilen );
+}
+
+static void md5_hmac_finish_wrap( void *ctx, unsigned char *output )
+{
+    md5_hmac_finish( (md5_context *) ctx, output );
+}
+
+static void md5_hmac_reset_wrap( void *ctx )
+{
+    md5_hmac_reset( (md5_context *) ctx );
+}
+
+static void * md5_ctx_alloc( void )
+{
+    return polarssl_malloc( sizeof( md5_context ) );
+}
+
+static void md5_ctx_free( void *ctx )
+{
+    polarssl_zeroize( ctx, sizeof( md5_context ) );
+    polarssl_free( ctx );
+}
+
+static void md5_process_wrap( void *ctx, const unsigned char *data )
+{
+    md5_process( (md5_context *) ctx, data );
+}
+
+const md_info_t md5_info = {
+    POLARSSL_MD_MD5,
+    "MD5",
+    16,
+    md5_starts_wrap,
+    md5_update_wrap,
+    md5_finish_wrap,
+    md5,
+    md5_file_wrap,
+    md5_hmac_starts_wrap,
+    md5_hmac_update_wrap,
+    md5_hmac_finish_wrap,
+    md5_hmac_reset_wrap,
+    md5_hmac,
+    md5_ctx_alloc,
+    md5_ctx_free,
+    md5_process_wrap,
+};
+
+#endif /* POLARSSL_MD5_C */
+
+#if defined(POLARSSL_RIPEMD160_C)
+
+static void ripemd160_starts_wrap( void *ctx )
+{
+    ripemd160_starts( (ripemd160_context *) ctx );
+}
+
+static void ripemd160_update_wrap( void *ctx, const unsigned char *input,
+                                   size_t ilen )
+{
+    ripemd160_update( (ripemd160_context *) ctx, input, ilen );
+}
+
+static void ripemd160_finish_wrap( void *ctx, unsigned char *output )
+{
+    ripemd160_finish( (ripemd160_context *) ctx, output );
+}
+
+static int ripemd160_file_wrap( const char *path, unsigned char *output )
+{
+#if defined(POLARSSL_FS_IO)
+    return ripemd160_file( path, output );
+#else
+    ((void) path);
+    ((void) output);
+    return( POLARSSL_ERR_MD_FEATURE_UNAVAILABLE );
+#endif
+}
+
+static void ripemd160_hmac_starts_wrap( void *ctx, const unsigned char *key,
+                                        size_t keylen )
+{
+    ripemd160_hmac_starts( (ripemd160_context *) ctx, key, keylen );
+}
+
+static void ripemd160_hmac_update_wrap( void *ctx, const unsigned char *input,
+                                        size_t ilen )
+{
+    ripemd160_hmac_update( (ripemd160_context *) ctx, input, ilen );
+}
+
+static void ripemd160_hmac_finish_wrap( void *ctx, unsigned char *output )
+{
+    ripemd160_hmac_finish( (ripemd160_context *) ctx, output );
+}
+
+static void ripemd160_hmac_reset_wrap( void *ctx )
+{
+    ripemd160_hmac_reset( (ripemd160_context *) ctx );
+}
+
+static void * ripemd160_ctx_alloc( void )
+{
+    ripemd160_context *ctx;
+    ctx = polarssl_malloc( sizeof( ripemd160_context ) );
+
+    if( ctx == NULL )
+        return( NULL );
+
+    ripemd160_init( ctx );
+
+    return( ctx );
+}
+
+static void ripemd160_ctx_free( void *ctx )
+{
+    ripemd160_free( (ripemd160_context *) ctx );
+    polarssl_free( ctx );
+}
+
+static void ripemd160_process_wrap( void *ctx, const unsigned char *data )
+{
+    ripemd160_process( (ripemd160_context *) ctx, data );
+}
+
+const md_info_t ripemd160_info = {
+    POLARSSL_MD_RIPEMD160,
+    "RIPEMD160",
+    20,
+    ripemd160_starts_wrap,
+    ripemd160_update_wrap,
+    ripemd160_finish_wrap,
+    ripemd160,
+    ripemd160_file_wrap,
+    ripemd160_hmac_starts_wrap,
+    ripemd160_hmac_update_wrap,
+    ripemd160_hmac_finish_wrap,
+    ripemd160_hmac_reset_wrap,
+    ripemd160_hmac,
+    ripemd160_ctx_alloc,
+    ripemd160_ctx_free,
+    ripemd160_process_wrap,
+};
+
+#endif /* POLARSSL_RIPEMD160_C */
+
+#if defined(POLARSSL_SHA1_C)
+
+static void sha1_starts_wrap( void *ctx )
+{
+    sha1_starts( (sha1_context *) ctx );
+}
+
+static void sha1_update_wrap( void *ctx, const unsigned char *input,
+                              size_t ilen )
+{
+    sha1_update( (sha1_context *) ctx, input, ilen );
+}
+
+static void sha1_finish_wrap( void *ctx, unsigned char *output )
+{
+    sha1_finish( (sha1_context *) ctx, output );
+}
+
+static int sha1_file_wrap( const char *path, unsigned char *output )
+{
+#if defined(POLARSSL_FS_IO)
+    return sha1_file( path, output );
+#else
+    ((void) path);
+    ((void) output);
+    return( POLARSSL_ERR_MD_FEATURE_UNAVAILABLE );
+#endif
+}
+
+static void sha1_hmac_starts_wrap( void *ctx, const unsigned char *key,
+                                   size_t keylen )
+{
+    sha1_hmac_starts( (sha1_context *) ctx, key, keylen );
+}
+
+static void sha1_hmac_update_wrap( void *ctx, const unsigned char *input,
+                                   size_t ilen )
+{
+    sha1_hmac_update( (sha1_context *) ctx, input, ilen );
+}
+
+static void sha1_hmac_finish_wrap( void *ctx, unsigned char *output )
+{
+    sha1_hmac_finish( (sha1_context *) ctx, output );
+}
+
+static void sha1_hmac_reset_wrap( void *ctx )
+{
+    sha1_hmac_reset( (sha1_context *) ctx );
+}
+
+static void * sha1_ctx_alloc( void )
+{
+    sha1_context *ctx;
+    ctx = polarssl_malloc( sizeof( sha1_context ) );
+
+    if( ctx == NULL )
+        return( NULL );
+
+    sha1_init( ctx );
+
+    return( ctx );
+}
+
+static void sha1_ctx_free( void *ctx )
+{
+    sha1_free( (sha1_context *) ctx );
+    polarssl_free( ctx );
+}
+
+static void sha1_process_wrap( void *ctx, const unsigned char *data )
+{
+    sha1_process( (sha1_context *) ctx, data );
+}
+
+const md_info_t sha1_info = {
+    POLARSSL_MD_SHA1,
+    "SHA1",
+    20,
+    sha1_starts_wrap,
+    sha1_update_wrap,
+    sha1_finish_wrap,
+    sha1,
+    sha1_file_wrap,
+    sha1_hmac_starts_wrap,
+    sha1_hmac_update_wrap,
+    sha1_hmac_finish_wrap,
+    sha1_hmac_reset_wrap,
+    sha1_hmac,
+    sha1_ctx_alloc,
+    sha1_ctx_free,
+    sha1_process_wrap,
+};
+
+#endif /* POLARSSL_SHA1_C */
+
+/*
+ * Wrappers for generic message digests
+ */
+#if defined(POLARSSL_SHA256_C)
+
+static void sha224_starts_wrap( void *ctx )
+{
+    sha256_starts( (sha256_context *) ctx, 1 );
+}
+
+static void sha224_update_wrap( void *ctx, const unsigned char *input,
+                                size_t ilen )
+{
+    sha256_update( (sha256_context *) ctx, input, ilen );
+}
+
+static void sha224_finish_wrap( void *ctx, unsigned char *output )
+{
+    sha256_finish( (sha256_context *) ctx, output );
+}
+
+static void sha224_wrap( const unsigned char *input, size_t ilen,
+                    unsigned char *output )
+{
+    sha256( input, ilen, output, 1 );
+}
+
+static int sha224_file_wrap( const char *path, unsigned char *output )
+{
+#if defined(POLARSSL_FS_IO)
+    return sha256_file( path, output, 1 );
+#else
+    ((void) path);
+    ((void) output);
+    return( POLARSSL_ERR_MD_FEATURE_UNAVAILABLE );
+#endif
+}
+
+static void sha224_hmac_starts_wrap( void *ctx, const unsigned char *key,
+                                     size_t keylen )
+{
+    sha256_hmac_starts( (sha256_context *) ctx, key, keylen, 1 );
+}
+
+static void sha224_hmac_update_wrap( void *ctx, const unsigned char *input,
+                                     size_t ilen )
+{
+    sha256_hmac_update( (sha256_context *) ctx, input, ilen );
+}
+
+static void sha224_hmac_finish_wrap( void *ctx, unsigned char *output )
+{
+    sha256_hmac_finish( (sha256_context *) ctx, output );
+}
+
+static void sha224_hmac_reset_wrap( void *ctx )
+{
+    sha256_hmac_reset( (sha256_context *) ctx );
+}
+
+static void sha224_hmac_wrap( const unsigned char *key, size_t keylen,
+        const unsigned char *input, size_t ilen,
+        unsigned char *output )
+{
+    sha256_hmac( key, keylen, input, ilen, output, 1 );
+}
+
+static void * sha224_ctx_alloc( void )
+{
+    return polarssl_malloc( sizeof( sha256_context ) );
+}
+
+static void sha224_ctx_free( void *ctx )
+{
+    polarssl_zeroize( ctx, sizeof( sha256_context ) );
+    polarssl_free( ctx );
+}
+
+static void sha224_process_wrap( void *ctx, const unsigned char *data )
+{
+    sha256_process( (sha256_context *) ctx, data );
+}
+
+const md_info_t sha224_info = {
+    POLARSSL_MD_SHA224,
+    "SHA224",
+    28,
+    sha224_starts_wrap,
+    sha224_update_wrap,
+    sha224_finish_wrap,
+    sha224_wrap,
+    sha224_file_wrap,
+    sha224_hmac_starts_wrap,
+    sha224_hmac_update_wrap,
+    sha224_hmac_finish_wrap,
+    sha224_hmac_reset_wrap,
+    sha224_hmac_wrap,
+    sha224_ctx_alloc,
+    sha224_ctx_free,
+    sha224_process_wrap,
+};
+
+static void sha256_starts_wrap( void *ctx )
+{
+    sha256_starts( (sha256_context *) ctx, 0 );
+}
+
+static void sha256_update_wrap( void *ctx, const unsigned char *input,
+                                size_t ilen )
+{
+    sha256_update( (sha256_context *) ctx, input, ilen );
+}
+
+static void sha256_finish_wrap( void *ctx, unsigned char *output )
+{
+    sha256_finish( (sha256_context *) ctx, output );
+}
+
+static void sha256_wrap( const unsigned char *input, size_t ilen,
+                    unsigned char *output )
+{
+    sha256( input, ilen, output, 0 );
+}
+
+static int sha256_file_wrap( const char *path, unsigned char *output )
+{
+#if defined(POLARSSL_FS_IO)
+    return sha256_file( path, output, 0 );
+#else
+    ((void) path);
+    ((void) output);
+    return( POLARSSL_ERR_MD_FEATURE_UNAVAILABLE );
+#endif
+}
+
+static void sha256_hmac_starts_wrap( void *ctx, const unsigned char *key,
+                                     size_t keylen )
+{
+    sha256_hmac_starts( (sha256_context *) ctx, key, keylen, 0 );
+}
+
+static void sha256_hmac_update_wrap( void *ctx, const unsigned char *input,
+                                     size_t ilen )
+{
+    sha256_hmac_update( (sha256_context *) ctx, input, ilen );
+}
+
+static void sha256_hmac_finish_wrap( void *ctx, unsigned char *output )
+{
+    sha256_hmac_finish( (sha256_context *) ctx, output );
+}
+
+static void sha256_hmac_reset_wrap( void *ctx )
+{
+    sha256_hmac_reset( (sha256_context *) ctx );
+}
+
+static void sha256_hmac_wrap( const unsigned char *key, size_t keylen,
+        const unsigned char *input, size_t ilen,
+        unsigned char *output )
+{
+    sha256_hmac( key, keylen, input, ilen, output, 0 );
+}
+
+static void * sha256_ctx_alloc( void )
+{
+    sha256_context *ctx;
+    ctx = polarssl_malloc( sizeof( sha256_context ) );
+
+    if( ctx == NULL )
+        return( NULL );
+
+    sha256_init( ctx );
+
+    return( ctx );
+}
+
+static void sha256_ctx_free( void *ctx )
+{
+    sha256_free( (sha256_context *) ctx );
+    polarssl_free( ctx );
+}
+
+static void sha256_process_wrap( void *ctx, const unsigned char *data )
+{
+    sha256_process( (sha256_context *) ctx, data );
+}
+
+const md_info_t sha256_info = {
+    POLARSSL_MD_SHA256,
+    "SHA256",
+    32,
+    sha256_starts_wrap,
+    sha256_update_wrap,
+    sha256_finish_wrap,
+    sha256_wrap,
+    sha256_file_wrap,
+    sha256_hmac_starts_wrap,
+    sha256_hmac_update_wrap,
+    sha256_hmac_finish_wrap,
+    sha256_hmac_reset_wrap,
+    sha256_hmac_wrap,
+    sha256_ctx_alloc,
+    sha256_ctx_free,
+    sha256_process_wrap,
+};
+
+#endif /* POLARSSL_SHA256_C */
+
+#if defined(POLARSSL_SHA512_C)
+
+static void sha384_starts_wrap( void *ctx )
+{
+    sha512_starts( (sha512_context *) ctx, 1 );
+}
+
+static void sha384_update_wrap( void *ctx, const unsigned char *input,
+                                size_t ilen )
+{
+    sha512_update( (sha512_context *) ctx, input, ilen );
+}
+
+static void sha384_finish_wrap( void *ctx, unsigned char *output )
+{
+    sha512_finish( (sha512_context *) ctx, output );
+}
+
+static void sha384_wrap( const unsigned char *input, size_t ilen,
+                    unsigned char *output )
+{
+    sha512( input, ilen, output, 1 );
+}
+
+static int sha384_file_wrap( const char *path, unsigned char *output )
+{
+#if defined(POLARSSL_FS_IO)
+    return sha512_file( path, output, 1 );
+#else
+    ((void) path);
+    ((void) output);
+    return( POLARSSL_ERR_MD_FEATURE_UNAVAILABLE );
+#endif
+}
+
+static void sha384_hmac_starts_wrap( void *ctx, const unsigned char *key,
+                                     size_t keylen )
+{
+    sha512_hmac_starts( (sha512_context *) ctx, key, keylen, 1 );
+}
+
+static void sha384_hmac_update_wrap( void *ctx, const unsigned char *input,
+                                     size_t ilen )
+{
+    sha512_hmac_update( (sha512_context *) ctx, input, ilen );
+}
+
+static void sha384_hmac_finish_wrap( void *ctx, unsigned char *output )
+{
+    sha512_hmac_finish( (sha512_context *) ctx, output );
+}
+
+static void sha384_hmac_reset_wrap( void *ctx )
+{
+    sha512_hmac_reset( (sha512_context *) ctx );
+}
+
+static void sha384_hmac_wrap( const unsigned char *key, size_t keylen,
+        const unsigned char *input, size_t ilen,
+        unsigned char *output )
+{
+    sha512_hmac( key, keylen, input, ilen, output, 1 );
+}
+
+static void * sha384_ctx_alloc( void )
+{
+    return polarssl_malloc( sizeof( sha512_context ) );
+}
+
+static void sha384_ctx_free( void *ctx )
+{
+    polarssl_zeroize( ctx, sizeof( sha512_context ) );
+    polarssl_free( ctx );
+}
+
+static void sha384_process_wrap( void *ctx, const unsigned char *data )
+{
+    sha512_process( (sha512_context *) ctx, data );
+}
+
+const md_info_t sha384_info = {
+    POLARSSL_MD_SHA384,
+    "SHA384",
+    48,
+    sha384_starts_wrap,
+    sha384_update_wrap,
+    sha384_finish_wrap,
+    sha384_wrap,
+    sha384_file_wrap,
+    sha384_hmac_starts_wrap,
+    sha384_hmac_update_wrap,
+    sha384_hmac_finish_wrap,
+    sha384_hmac_reset_wrap,
+    sha384_hmac_wrap,
+    sha384_ctx_alloc,
+    sha384_ctx_free,
+    sha384_process_wrap,
+};
+
+static void sha512_starts_wrap( void *ctx )
+{
+    sha512_starts( (sha512_context *) ctx, 0 );
+}
+
+static void sha512_update_wrap( void *ctx, const unsigned char *input,
+                                size_t ilen )
+{
+    sha512_update( (sha512_context *) ctx, input, ilen );
+}
+
+static void sha512_finish_wrap( void *ctx, unsigned char *output )
+{
+    sha512_finish( (sha512_context *) ctx, output );
+}
+
+static void sha512_wrap( const unsigned char *input, size_t ilen,
+                    unsigned char *output )
+{
+    sha512( input, ilen, output, 0 );
+}
+
+static int sha512_file_wrap( const char *path, unsigned char *output )
+{
+#if defined(POLARSSL_FS_IO)
+    return sha512_file( path, output, 0 );
+#else
+    ((void) path);
+    ((void) output);
+    return( POLARSSL_ERR_MD_FEATURE_UNAVAILABLE );
+#endif
+}
+
+static void sha512_hmac_starts_wrap( void *ctx, const unsigned char *key,
+                                     size_t keylen )
+{
+    sha512_hmac_starts( (sha512_context *) ctx, key, keylen, 0 );
+}
+
+static void sha512_hmac_update_wrap( void *ctx, const unsigned char *input,
+                                     size_t ilen )
+{
+    sha512_hmac_update( (sha512_context *) ctx, input, ilen );
+}
+
+static void sha512_hmac_finish_wrap( void *ctx, unsigned char *output )
+{
+    sha512_hmac_finish( (sha512_context *) ctx, output );
+}
+
+static void sha512_hmac_reset_wrap( void *ctx )
+{
+    sha512_hmac_reset( (sha512_context *) ctx );
+}
+
+static void sha512_hmac_wrap( const unsigned char *key, size_t keylen,
+        const unsigned char *input, size_t ilen,
+        unsigned char *output )
+{
+    sha512_hmac( key, keylen, input, ilen, output, 0 );
+}
+
+static void * sha512_ctx_alloc( void )
+{
+    sha512_context *ctx;
+    ctx = polarssl_malloc( sizeof( sha512_context ) );
+
+    if( ctx == NULL )
+        return( NULL );
+
+    sha512_init( ctx );
+
+    return( ctx );
+}
+
+static void sha512_ctx_free( void *ctx )
+{
+    sha512_free( (sha512_context *) ctx );
+    polarssl_free( ctx );
+}
+
+static void sha512_process_wrap( void *ctx, const unsigned char *data )
+{
+    sha512_process( (sha512_context *) ctx, data );
+}
+
+const md_info_t sha512_info = {
+    POLARSSL_MD_SHA512,
+    "SHA512",
+    64,
+    sha512_starts_wrap,
+    sha512_update_wrap,
+    sha512_finish_wrap,
+    sha512_wrap,
+    sha512_file_wrap,
+    sha512_hmac_starts_wrap,
+    sha512_hmac_update_wrap,
+    sha512_hmac_finish_wrap,
+    sha512_hmac_reset_wrap,
+    sha512_hmac_wrap,
+    sha512_ctx_alloc,
+    sha512_ctx_free,
+    sha512_process_wrap,
+};
+
+#endif /* POLARSSL_SHA512_C */
+
+#endif /* POLARSSL_MD_C */
+