/* md5.h

*

* Copyright (C) 2006-2025 wolfSSL Inc.

*

* This file is part of wolfSSL.

*

* wolfSSL 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 3 of the License, or

* (at your option) any later version.

*

* wolfSSL 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 02110-1335, USA

*/

/*!

\file wolfssl/wolfcrypt/md5.h

*/

#ifndef WOLF_CRYPT_MD5_H

#define WOLF_CRYPT_MD5_H

#include <wolfssl/wolfcrypt/types.h>

#ifndef NO_MD5

#ifdef WOLFSSL_API_PREFIX_MAP

#define InitMd5 wc_InitMd5

#define Md5Update wc_Md5Update

#define Md5Final wc_Md5Final

#define Md5Hash wc_Md5Hash

#elif defined(HAVE_FIPS)

#define wc_InitMd5 InitMd5

#define wc_Md5Update Md5Update

#define wc_Md5Final Md5Final

#define wc_Md5Hash Md5Hash

#endif

#ifdef __cplusplus

extern "C" {

#endif

#ifndef NO_OLD_MD5_NAME

#define MD5 WC_MD5

#endif

#ifndef NO_OLD_WC_NAMES

#define Md5 wc_Md5

#define MD5_BLOCK_SIZE WC_MD5_BLOCK_SIZE

#define MD5_DIGEST_SIZE WC_MD5_DIGEST_SIZE

#define WC_MD5_PAD_SIZE WC_MD5_PAD_SIZE

#endif

/* in bytes */

enum {

WC_MD5 = WC_HASH_TYPE_MD5,

WC_MD5_BLOCK_SIZE = 64,

WC_MD5_DIGEST_SIZE = 16,

WC_MD5_PAD_SIZE = 56

};

#ifdef WOLFSSL_MICROCHIP_PIC32MZ

#include <wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h>

#endif

#if defined(STM32_HASH) && !defined(STM32_NOMD5)

#include <wolfssl/wolfcrypt/port/st/stm32.h>

#endif

#ifdef WOLFSSL_ASYNC_CRYPT

#include <wolfssl/wolfcrypt/async.h>

#endif

#ifdef WOLFSSL_TI_HASH

#include "wolfssl/wolfcrypt/port/ti/ti-hash.h"

#elif defined(WOLFSSL_IMX6_CAAM) && !defined(WOLFSSL_QNX_CAAM)

#include "wolfssl/wolfcrypt/port/caam/wolfcaam_sha.h"

#else

/* MD5 digest */

typedef struct wc_Md5 {

#if defined(STM32_HASH) && !defined(STM32_NOMD5)

STM32_HASH_Context stmCtx;

#else

word32 buffLen; /* in bytes */

word32 loLen; /* length in bytes */

word32 hiLen; /* length in bytes */

word32 buffer[WC_MD5_BLOCK_SIZE / sizeof(word32)];

#ifdef WOLFSSL_PIC32MZ_HASH

word32 digest[PIC32_DIGEST_SIZE / sizeof(word32)];

#else

word32 digest[WC_MD5_DIGEST_SIZE / sizeof(word32)];

#endif

void* heap;

#ifdef WOLFSSL_PIC32MZ_HASH

hashUpdCache cache; /* cache for updates */

#endif

#endif /* STM32_HASH */

#ifdef WOLFSSL_ASYNC_CRYPT

WC_ASYNC_DEV asyncDev;

#endif /* WOLFSSL_ASYNC_CRYPT */

#ifdef WOLFSSL_HASH_FLAGS

word32 flags; /* enum wc_HashFlags in hash.h */

#endif

} wc_Md5;

#endif /* WOLFSSL_TI_HASH */

WOLFSSL_API int wc_InitMd5(wc_Md5* md5);

WOLFSSL_API int wc_InitMd5_ex(wc_Md5* md5, void* heap, int devId);

WOLFSSL_API int wc_Md5Update(wc_Md5* md5, const byte* data, word32 len);

WOLFSSL_API int wc_Md5Final(wc_Md5* md5, byte* hash);

WOLFSSL_API void wc_Md5Free(wc_Md5* md5);

#if defined(OPENSSL_EXTRA) || defined(HAVE_CURL)

WOLFSSL_API int wc_Md5Transform(wc_Md5* md5, const byte* data);

#endif

WOLFSSL_API int wc_Md5GetHash(wc_Md5* md5, byte* hash);

WOLFSSL_API int wc_Md5Copy(wc_Md5* src, wc_Md5* dst);

#ifdef WOLFSSL_PIC32MZ_HASH

WOLFSSL_API void wc_Md5SizeSet(wc_Md5* md5, word32 len);

#endif

#ifdef WOLFSSL_HASH_FLAGS

WOLFSSL_API int wc_Md5SetFlags(wc_Md5* md5, word32 flags);

WOLFSSL_API int wc_Md5GetFlags(wc_Md5* md5, word32* flags);

#endif

#ifdef __cplusplus

} /* extern "C" */

#endif

#endif /* NO_MD5 */

#endif /* WOLF_CRYPT_MD5_H */