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/**

 * \file md_wrap.c

 *

 * \brief Generic message digest wrapper for mbed TLS

 *

 * \author Adriaan de Jong 

 *

 *  Copyright (C) 2006-2015, ARM Limited, All Rights Reserved

 *  SPDX-License-Identifier: GPL-2.0

 *

 *  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.

 *

 *  This file is part of mbed TLS (https://tls.mbed.org)

 */

#if !defined(MBEDTLS_CONFIG_FILE)

#include "mbedtls/config.h"

#else

#include MBEDTLS_CONFIG_FILE

#endif

#if defined(MBEDTLS_MD_C)

#include "mbedtls/md_internal.h"

#if defined(MBEDTLS_MD2_C)

#include "mbedtls/md2.h"

#endif

#if defined(MBEDTLS_MD4_C)

#include "mbedtls/md4.h"

#endif

#if defined(MBEDTLS_MD5_C)

#include "mbedtls/md5.h"

#endif

#if defined(MBEDTLS_RIPEMD160_C)

#include "mbedtls/ripemd160.h"

#endif

#if defined(MBEDTLS_SHA1_C)

#include "mbedtls/sha1.h"

#endif

#if defined(MBEDTLS_SHA256_C)

#include "mbedtls/sha256.h"

#endif

#if defined(MBEDTLS_SHA512_C)

#include "mbedtls/sha512.h"

#endif

#if defined(MBEDTLS_PLATFORM_C)

#include "mbedtls/platform.h"

#else

#include 

#define mbedtls_calloc    calloc

#define mbedtls_free       free

#endif

#if defined(MBEDTLS_MD2_C)

static int md2_starts_wrap( void *ctx )

{

    return( mbedtls_md2_starts_ret( (mbedtls_md2_context *) ctx ) );

}

static int md2_update_wrap( void *ctx, const unsigned char *input,

                             size_t ilen )

{

    return( mbedtls_md2_update_ret( (mbedtls_md2_context *) ctx, input, ilen ) );

}

static int md2_finish_wrap( void *ctx, unsigned char *output )

{

    return( mbedtls_md2_finish_ret( (mbedtls_md2_context *) ctx, output ) );

}

static void *md2_ctx_alloc( void )

{

    void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_md2_context ) );

    if( ctx != NULL )

        mbedtls_md2_init( (mbedtls_md2_context *) ctx );

    return( ctx );

}

static void md2_ctx_free( void *ctx )

{

    mbedtls_md2_free( (mbedtls_md2_context *) ctx );

    mbedtls_free( ctx );

}

static void md2_clone_wrap( void *dst, const void *src )

{

    mbedtls_md2_clone( (mbedtls_md2_context *) dst,

                 (const mbedtls_md2_context *) src );

}

static int md2_process_wrap( void *ctx, const unsigned char *data )

{

    ((void) data);

    return( mbedtls_internal_md2_process( (mbedtls_md2_context *) ctx ) );

}

const mbedtls_md_info_t mbedtls_md2_info = {

    MBEDTLS_MD_MD2,

    "MD2",

    16,

    16,

    md2_starts_wrap,

    md2_update_wrap,

    md2_finish_wrap,

    mbedtls_md2_ret,

    md2_ctx_alloc,

    md2_ctx_free,

    md2_clone_wrap,

    md2_process_wrap,

};

#endif /* MBEDTLS_MD2_C */

#if defined(MBEDTLS_MD4_C)

static int md4_starts_wrap( void *ctx )

{

    return( mbedtls_md4_starts_ret( (mbedtls_md4_context *) ctx ) );

}

static int md4_update_wrap( void *ctx, const unsigned char *input,

                             size_t ilen )

{

    return( mbedtls_md4_update_ret( (mbedtls_md4_context *) ctx, input, ilen ) );

}

static int md4_finish_wrap( void *ctx, unsigned char *output )

{

    return( mbedtls_md4_finish_ret( (mbedtls_md4_context *) ctx, output ) );

}

static void *md4_ctx_alloc( void )

{

    void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_md4_context ) );

    if( ctx != NULL )

        mbedtls_md4_init( (mbedtls_md4_context *) ctx );

    return( ctx );

}

static void md4_ctx_free( void *ctx )

{

    mbedtls_md4_free( (mbedtls_md4_context *) ctx );

    mbedtls_free( ctx );

}

static void md4_clone_wrap( void *dst, const void *src )

{

    mbedtls_md4_clone( (mbedtls_md4_context *) dst,

                       (const mbedtls_md4_context *) src );

}

static int md4_process_wrap( void *ctx, const unsigned char *data )

{

    return( mbedtls_internal_md4_process( (mbedtls_md4_context *) ctx, data ) );

}

const mbedtls_md_info_t mbedtls_md4_info = {

    MBEDTLS_MD_MD4,

    "MD4",

    16,

    64,

    md4_starts_wrap,

    md4_update_wrap,

    md4_finish_wrap,

    mbedtls_md4_ret,

    md4_ctx_alloc,

    md4_ctx_free,

    md4_clone_wrap,

    md4_process_wrap,

};

#endif /* MBEDTLS_MD4_C */

#if defined(MBEDTLS_MD5_C)

static int md5_starts_wrap( void *ctx )

{

    return( mbedtls_md5_starts_ret( (mbedtls_md5_context *) ctx ) );

}

static int md5_update_wrap( void *ctx, const unsigned char *input,

                             size_t ilen )

{

    return( mbedtls_md5_update_ret( (mbedtls_md5_context *) ctx, input, ilen ) );

}

static int md5_finish_wrap( void *ctx, unsigned char *output )

{

    return( mbedtls_md5_finish_ret( (mbedtls_md5_context *) ctx, output ) );

}

static void *md5_ctx_alloc( void )

{

    void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_md5_context ) );

    if( ctx != NULL )

        mbedtls_md5_init( (mbedtls_md5_context *) ctx );

    return( ctx );

}

static void md5_ctx_free( void *ctx )

{

    mbedtls_md5_free( (mbedtls_md5_context *) ctx );

    mbedtls_free( ctx );

}

static void md5_clone_wrap( void *dst, const void *src )

{

    mbedtls_md5_clone( (mbedtls_md5_context *) dst,

                       (const mbedtls_md5_context *) src );

}

static int md5_process_wrap( void *ctx, const unsigned char *data )

{

    return( mbedtls_internal_md5_process( (mbedtls_md5_context *) ctx, data ) );

}

const mbedtls_md_info_t mbedtls_md5_info = {

    MBEDTLS_MD_MD5,

    "MD5",

    16,

    64,

    md5_starts_wrap,

    md5_update_wrap,

    md5_finish_wrap,

    mbedtls_md5_ret,

    md5_ctx_alloc,

    md5_ctx_free,

    md5_clone_wrap,

    md5_process_wrap,

};

#endif /* MBEDTLS_MD5_C */

#if defined(MBEDTLS_RIPEMD160_C)

static int ripemd160_starts_wrap( void *ctx )

{

    return( mbedtls_ripemd160_starts_ret( (mbedtls_ripemd160_context *) ctx ) );

}

static int ripemd160_update_wrap( void *ctx, const unsigned char *input,

                                   size_t ilen )

{

    return( mbedtls_ripemd160_update_ret( (mbedtls_ripemd160_context *) ctx,

                                          input, ilen ) );

}

static int ripemd160_finish_wrap( void *ctx, unsigned char *output )

{

    return( mbedtls_ripemd160_finish_ret( (mbedtls_ripemd160_context *) ctx,

                                          output ) );

}

static void *ripemd160_ctx_alloc( void )

{

    void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_ripemd160_context ) );

    if( ctx != NULL )

        mbedtls_ripemd160_init( (mbedtls_ripemd160_context *) ctx );

    return( ctx );

}

static void ripemd160_ctx_free( void *ctx )

{

    mbedtls_ripemd160_free( (mbedtls_ripemd160_context *) ctx );

    mbedtls_free( ctx );

}

static void ripemd160_clone_wrap( void *dst, const void *src )

{

    mbedtls_ripemd160_clone( (mbedtls_ripemd160_context *) dst,

                       (const mbedtls_ripemd160_context *) src );

}

static int ripemd160_process_wrap( void *ctx, const unsigned char *data )

{

    return( mbedtls_internal_ripemd160_process(

                                (mbedtls_ripemd160_context *) ctx, data ) );

}

const mbedtls_md_info_t mbedtls_ripemd160_info = {

    MBEDTLS_MD_RIPEMD160,

    "RIPEMD160",

    20,

    64,

    ripemd160_starts_wrap,

    ripemd160_update_wrap,

    ripemd160_finish_wrap,

    mbedtls_ripemd160_ret,

    ripemd160_ctx_alloc,

    ripemd160_ctx_free,

    ripemd160_clone_wrap,

    ripemd160_process_wrap,

};

#endif /* MBEDTLS_RIPEMD160_C */

#if defined(MBEDTLS_SHA1_C)

static int sha1_starts_wrap( void *ctx )

{

    return( mbedtls_sha1_starts_ret( (mbedtls_sha1_context *) ctx ) );

}

static int sha1_update_wrap( void *ctx, const unsigned char *input,

                              size_t ilen )

{

    return( mbedtls_sha1_update_ret( (mbedtls_sha1_context *) ctx,

                                     input, ilen ) );

}

static int sha1_finish_wrap( void *ctx, unsigned char *output )

{

    return( mbedtls_sha1_finish_ret( (mbedtls_sha1_context *) ctx, output ) );

}

static void *sha1_ctx_alloc( void )

{

    void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_sha1_context ) );

    if( ctx != NULL )

        mbedtls_sha1_init( (mbedtls_sha1_context *) ctx );

    return( ctx );

}

static void sha1_clone_wrap( void *dst, const void *src )

{

    mbedtls_sha1_clone( (mbedtls_sha1_context *) dst,

                  (const mbedtls_sha1_context *) src );

}

static void sha1_ctx_free( void *ctx )

{

    mbedtls_sha1_free( (mbedtls_sha1_context *) ctx );

    mbedtls_free( ctx );

}

static int sha1_process_wrap( void *ctx, const unsigned char *data )

{

    return( mbedtls_internal_sha1_process( (mbedtls_sha1_context *) ctx,

                                           data ) );

}

const mbedtls_md_info_t mbedtls_sha1_info = {

    MBEDTLS_MD_SHA1,

    "SHA1",

    20,

    64,

    sha1_starts_wrap,

    sha1_update_wrap,

    sha1_finish_wrap,

    mbedtls_sha1_ret,

    sha1_ctx_alloc,

    sha1_ctx_free,

    sha1_clone_wrap,

    sha1_process_wrap,

};

#endif /* MBEDTLS_SHA1_C */

/*

 * Wrappers for generic message digests

 */

#if defined(MBEDTLS_SHA256_C)

static int sha224_starts_wrap( void *ctx )

{

    return( mbedtls_sha256_starts_ret( (mbedtls_sha256_context *) ctx, 1 ) );

}

static int sha224_update_wrap( void *ctx, const unsigned char *input,

                                size_t ilen )

{

    return( mbedtls_sha256_update_ret( (mbedtls_sha256_context *) ctx,

                                       input, ilen ) );

}

static int sha224_finish_wrap( void *ctx, unsigned char *output )

{

    return( mbedtls_sha256_finish_ret( (mbedtls_sha256_context *) ctx,

                                       output ) );

}

static int sha224_wrap( const unsigned char *input, size_t ilen,

                        unsigned char *output )

{

    return( mbedtls_sha256_ret( input, ilen, output, 1 ) );

}

static void *sha224_ctx_alloc( void )

{

    void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_sha256_context ) );

    if( ctx != NULL )

        mbedtls_sha256_init( (mbedtls_sha256_context *) ctx );

    return( ctx );

}

static void sha224_ctx_free( void *ctx )

{

    mbedtls_sha256_free( (mbedtls_sha256_context *) ctx );

    mbedtls_free( ctx );

}

static void sha224_clone_wrap( void *dst, const void *src )

{

    mbedtls_sha256_clone( (mbedtls_sha256_context *) dst,

                    (const mbedtls_sha256_context *) src );

}

static int sha224_process_wrap( void *ctx, const unsigned char *data )

{

    return( mbedtls_internal_sha256_process( (mbedtls_sha256_context *) ctx,

                                             data ) );

}

const mbedtls_md_info_t mbedtls_sha224_info = {

    MBEDTLS_MD_SHA224,

    "SHA224",

    28,

    64,

    sha224_starts_wrap,

    sha224_update_wrap,

    sha224_finish_wrap,

    sha224_wrap,

    sha224_ctx_alloc,

    sha224_ctx_free,

    sha224_clone_wrap,

    sha224_process_wrap,

};

static int sha256_starts_wrap( void *ctx )

{

    return( mbedtls_sha256_starts_ret( (mbedtls_sha256_context *) ctx, 0 ) );

}

static int sha256_wrap( const unsigned char *input, size_t ilen,

                        unsigned char *output )

{

    return( mbedtls_sha256_ret( input, ilen, output, 0 ) );

}

const mbedtls_md_info_t mbedtls_sha256_info = {

    MBEDTLS_MD_SHA256,

    "SHA256",

    32,

    64,

    sha256_starts_wrap,

    sha224_update_wrap,

    sha224_finish_wrap,

    sha256_wrap,

    sha224_ctx_alloc,

    sha224_ctx_free,

    sha224_clone_wrap,

    sha224_process_wrap,

};

#endif /* MBEDTLS_SHA256_C */

#if defined(MBEDTLS_SHA512_C)

static int sha384_starts_wrap( void *ctx )

{

    return( mbedtls_sha512_starts_ret( (mbedtls_sha512_context *) ctx, 1 ) );

}

static int sha384_update_wrap( void *ctx, const unsigned char *input,

                               size_t ilen )

{

    return( mbedtls_sha512_update_ret( (mbedtls_sha512_context *) ctx,

                                       input, ilen ) );

}

static int sha384_finish_wrap( void *ctx, unsigned char *output )

{

    return( mbedtls_sha512_finish_ret( (mbedtls_sha512_context *) ctx,

                                       output ) );

}

static int sha384_wrap( const unsigned char *input, size_t ilen,

                        unsigned char *output )

{

    return( mbedtls_sha512_ret( input, ilen, output, 1 ) );

}

static void *sha384_ctx_alloc( void )

{

    void *ctx = mbedtls_calloc( 1, sizeof( mbedtls_sha512_context ) );

    if( ctx != NULL )

        mbedtls_sha512_init( (mbedtls_sha512_context *) ctx );

    return( ctx );

}

static void sha384_ctx_free( void *ctx )

{

    mbedtls_sha512_free( (mbedtls_sha512_context *) ctx );

    mbedtls_free( ctx );

}

static void sha384_clone_wrap( void *dst, const void *src )

{

    mbedtls_sha512_clone( (mbedtls_sha512_context *) dst,

                    (const mbedtls_sha512_context *) src );

}

static int sha384_process_wrap( void *ctx, const unsigned char *data )

{

    return( mbedtls_internal_sha512_process( (mbedtls_sha512_context *) ctx,

                                             data ) );

}

const mbedtls_md_info_t mbedtls_sha384_info = {

    MBEDTLS_MD_SHA384,

    "SHA384",

    48,

    128,

    sha384_starts_wrap,

    sha384_update_wrap,

    sha384_finish_wrap,

    sha384_wrap,

    sha384_ctx_alloc,

    sha384_ctx_free,

    sha384_clone_wrap,

    sha384_process_wrap,

};

static int sha512_starts_wrap( void *ctx )

{

    return( mbedtls_sha512_starts_ret( (mbedtls_sha512_context *) ctx, 0 ) );

}

static int sha512_wrap( const unsigned char *input, size_t ilen,

                        unsigned char *output )

{

    return( mbedtls_sha512_ret( input, ilen, output, 0 ) );

}

const mbedtls_md_info_t mbedtls_sha512_info = {

    MBEDTLS_MD_SHA512,

    "SHA512",

    64,

    128,

    sha512_starts_wrap,

    sha384_update_wrap,

    sha384_finish_wrap,

    sha512_wrap,

    sha384_ctx_alloc,

    sha384_ctx_free,

    sha384_clone_wrap,

    sha384_process_wrap,

};

#endif /* MBEDTLS_SHA512_C */

#endif /* MBEDTLS_MD_C */