601 lines
17 KiB
C
601 lines
17 KiB
C
/* md5.c
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*
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* Copyright (C) 2006-2023 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <wolfssl/wolfcrypt/settings.h>
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#if !defined(NO_MD5)
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#if defined(WOLFSSL_TI_HASH)
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/* #include <wolfcrypt/src/port/ti/ti-hash.c> included by wc_port.c */
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#else
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#include <wolfssl/wolfcrypt/md5.h>
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#include <wolfssl/wolfcrypt/error-crypt.h>
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#include <wolfssl/wolfcrypt/logging.h>
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#include <wolfssl/wolfcrypt/hash.h>
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#ifdef NO_INLINE
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#include <wolfssl/wolfcrypt/misc.h>
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#else
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#define WOLFSSL_MISC_INCLUDED
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#include <wolfcrypt/src/misc.c>
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#endif
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/* Hardware Acceleration */
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#if defined(STM32_HASH)
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/* Supports CubeMX HAL or Standard Peripheral Library */
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#define HAVE_MD5_CUST_API
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int wc_InitMd5_ex(wc_Md5* md5, void* heap, int devId)
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{
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if (md5 == NULL) {
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return BAD_FUNC_ARG;
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}
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(void)devId;
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(void)heap;
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wc_Stm32_Hash_Init(&md5->stmCtx);
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return 0;
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}
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int wc_Md5Update(wc_Md5* md5, const byte* data, word32 len)
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{
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int ret;
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if (md5 == NULL || (data == NULL && len > 0)) {
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return BAD_FUNC_ARG;
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}
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ret = wolfSSL_CryptHwMutexLock();
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if (ret == 0) {
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ret = wc_Stm32_Hash_Update(&md5->stmCtx, HASH_AlgoSelection_MD5,
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data, len, WC_MD5_BLOCK_SIZE);
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wolfSSL_CryptHwMutexUnLock();
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}
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return ret;
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}
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int wc_Md5Final(wc_Md5* md5, byte* hash)
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{
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int ret;
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if (md5 == NULL || hash == NULL) {
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return BAD_FUNC_ARG;
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}
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ret = wolfSSL_CryptHwMutexLock();
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if (ret == 0) {
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ret = wc_Stm32_Hash_Final(&md5->stmCtx, HASH_AlgoSelection_MD5,
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hash, WC_MD5_DIGEST_SIZE);
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wolfSSL_CryptHwMutexUnLock();
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}
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(void)wc_InitMd5(md5); /* reset state */
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return ret;
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}
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#elif defined(FREESCALE_MMCAU_SHA)
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#ifdef FREESCALE_MMCAU_CLASSIC_SHA
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#include "cau_api.h"
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#else
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#include "fsl_mmcau.h"
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#endif
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#define XTRANSFORM(S,B) Transform((S), (B))
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#define XTRANSFORM_LEN(S,B,L) Transform_Len((S), (B), (L))
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#ifndef WC_HASH_DATA_ALIGNMENT
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/* these hardware API's require 4 byte (word32) alignment */
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#define WC_HASH_DATA_ALIGNMENT 4
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#endif
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static int Transform(wc_Md5* md5, const byte* data)
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{
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int ret = wolfSSL_CryptHwMutexLock();
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if (ret == 0) {
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#ifdef FREESCALE_MMCAU_CLASSIC_SHA
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cau_md5_hash_n((byte*)data, 1, (unsigned char*)md5->digest);
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#else
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MMCAU_MD5_HashN((byte*)data, 1, (uint32_t*)md5->digest);
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#endif
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wolfSSL_CryptHwMutexUnLock();
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}
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return ret;
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}
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static int Transform_Len(wc_Md5* md5, const byte* data, word32 len)
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{
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int ret = wolfSSL_CryptHwMutexLock();
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if (ret == 0) {
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#if defined(WC_HASH_DATA_ALIGNMENT) && WC_HASH_DATA_ALIGNMENT > 0
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if ((wc_ptr_t)data % WC_HASH_DATA_ALIGNMENT) {
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/* data pointer is NOT aligned,
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* so copy and perform one block at a time */
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byte* local = (byte*)md5->buffer;
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while (len >= WC_MD5_BLOCK_SIZE) {
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XMEMCPY(local, data, WC_MD5_BLOCK_SIZE);
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#ifdef FREESCALE_MMCAU_CLASSIC_SHA
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cau_md5_hash_n(local, 1, (unsigned char*)md5->digest);
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#else
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MMCAU_MD5_HashN(local, 1, (uint32_t*)md5->digest);
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#endif
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data += WC_MD5_BLOCK_SIZE;
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len -= WC_MD5_BLOCK_SIZE;
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}
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}
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else
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#endif
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{
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#ifdef FREESCALE_MMCAU_CLASSIC_SHA
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cau_md5_hash_n((byte*)data, len / WC_MD5_BLOCK_SIZE,
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(unsigned char*)md5->digest);
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#else
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MMCAU_MD5_HashN((byte*)data, len / WC_MD5_BLOCK_SIZE,
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(uint32_t*)md5->digest);
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#endif
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}
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wolfSSL_CryptHwMutexUnLock();
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}
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return ret;
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}
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#elif defined(WOLFSSL_PIC32MZ_HASH)
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#include <wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h>
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#define HAVE_MD5_CUST_API
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#elif defined(WOLFSSL_IMX6_CAAM) && !defined(NO_IMX6_CAAM_HASH) && \
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!defined(WOLFSSL_QNX_CAAM)
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/* functions implemented in wolfcrypt/src/port/caam/caam_sha.c */
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#define HAVE_MD5_CUST_API
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#else
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#define NEED_SOFT_MD5
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#endif /* End Hardware Acceleration */
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#ifdef NEED_SOFT_MD5
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#define XTRANSFORM(S,B) Transform((S),(B))
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#define F1(x, y, z) ((z) ^ ((x) & ((y) ^ (z))))
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#define F2(x, y, z) F1(z, x, y)
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#define F3(x, y, z) ((x) ^ (y) ^ (z))
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#define F4(x, y, z) ((y) ^ ((x) | ~(z)))
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#define MD5STEP(f, w, x, y, z, data, s) \
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(w) = (rotlFixed((w) + f(x, y, z) + (data), s) + (x))
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static int Transform(wc_Md5* md5, const byte* data)
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{
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const word32* buffer = (const word32*)data;
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/* Copy context->state[] to working vars */
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word32 a = md5->digest[0];
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word32 b = md5->digest[1];
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word32 c = md5->digest[2];
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word32 d = md5->digest[3];
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MD5STEP(F1, a, b, c, d, buffer[0] + 0xd76aa478, 7);
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MD5STEP(F1, d, a, b, c, buffer[1] + 0xe8c7b756, 12);
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MD5STEP(F1, c, d, a, b, buffer[2] + 0x242070db, 17);
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MD5STEP(F1, b, c, d, a, buffer[3] + 0xc1bdceee, 22);
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MD5STEP(F1, a, b, c, d, buffer[4] + 0xf57c0faf, 7);
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MD5STEP(F1, d, a, b, c, buffer[5] + 0x4787c62a, 12);
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MD5STEP(F1, c, d, a, b, buffer[6] + 0xa8304613, 17);
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MD5STEP(F1, b, c, d, a, buffer[7] + 0xfd469501, 22);
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MD5STEP(F1, a, b, c, d, buffer[8] + 0x698098d8, 7);
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MD5STEP(F1, d, a, b, c, buffer[9] + 0x8b44f7af, 12);
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MD5STEP(F1, c, d, a, b, buffer[10] + 0xffff5bb1, 17);
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MD5STEP(F1, b, c, d, a, buffer[11] + 0x895cd7be, 22);
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MD5STEP(F1, a, b, c, d, buffer[12] + 0x6b901122, 7);
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MD5STEP(F1, d, a, b, c, buffer[13] + 0xfd987193, 12);
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MD5STEP(F1, c, d, a, b, buffer[14] + 0xa679438e, 17);
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MD5STEP(F1, b, c, d, a, buffer[15] + 0x49b40821, 22);
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MD5STEP(F2, a, b, c, d, buffer[1] + 0xf61e2562, 5);
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MD5STEP(F2, d, a, b, c, buffer[6] + 0xc040b340, 9);
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MD5STEP(F2, c, d, a, b, buffer[11] + 0x265e5a51, 14);
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MD5STEP(F2, b, c, d, a, buffer[0] + 0xe9b6c7aa, 20);
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MD5STEP(F2, a, b, c, d, buffer[5] + 0xd62f105d, 5);
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MD5STEP(F2, d, a, b, c, buffer[10] + 0x02441453, 9);
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MD5STEP(F2, c, d, a, b, buffer[15] + 0xd8a1e681, 14);
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MD5STEP(F2, b, c, d, a, buffer[4] + 0xe7d3fbc8, 20);
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MD5STEP(F2, a, b, c, d, buffer[9] + 0x21e1cde6, 5);
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MD5STEP(F2, d, a, b, c, buffer[14] + 0xc33707d6, 9);
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MD5STEP(F2, c, d, a, b, buffer[3] + 0xf4d50d87, 14);
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MD5STEP(F2, b, c, d, a, buffer[8] + 0x455a14ed, 20);
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MD5STEP(F2, a, b, c, d, buffer[13] + 0xa9e3e905, 5);
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MD5STEP(F2, d, a, b, c, buffer[2] + 0xfcefa3f8, 9);
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MD5STEP(F2, c, d, a, b, buffer[7] + 0x676f02d9, 14);
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MD5STEP(F2, b, c, d, a, buffer[12] + 0x8d2a4c8a, 20);
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MD5STEP(F3, a, b, c, d, buffer[5] + 0xfffa3942, 4);
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MD5STEP(F3, d, a, b, c, buffer[8] + 0x8771f681, 11);
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MD5STEP(F3, c, d, a, b, buffer[11] + 0x6d9d6122, 16);
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MD5STEP(F3, b, c, d, a, buffer[14] + 0xfde5380c, 23);
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MD5STEP(F3, a, b, c, d, buffer[1] + 0xa4beea44, 4);
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MD5STEP(F3, d, a, b, c, buffer[4] + 0x4bdecfa9, 11);
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MD5STEP(F3, c, d, a, b, buffer[7] + 0xf6bb4b60, 16);
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MD5STEP(F3, b, c, d, a, buffer[10] + 0xbebfbc70, 23);
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MD5STEP(F3, a, b, c, d, buffer[13] + 0x289b7ec6, 4);
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MD5STEP(F3, d, a, b, c, buffer[0] + 0xeaa127fa, 11);
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MD5STEP(F3, c, d, a, b, buffer[3] + 0xd4ef3085, 16);
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MD5STEP(F3, b, c, d, a, buffer[6] + 0x04881d05, 23);
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MD5STEP(F3, a, b, c, d, buffer[9] + 0xd9d4d039, 4);
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MD5STEP(F3, d, a, b, c, buffer[12] + 0xe6db99e5, 11);
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MD5STEP(F3, c, d, a, b, buffer[15] + 0x1fa27cf8, 16);
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MD5STEP(F3, b, c, d, a, buffer[2] + 0xc4ac5665, 23);
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MD5STEP(F4, a, b, c, d, buffer[0] + 0xf4292244, 6);
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MD5STEP(F4, d, a, b, c, buffer[7] + 0x432aff97, 10);
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MD5STEP(F4, c, d, a, b, buffer[14] + 0xab9423a7, 15);
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MD5STEP(F4, b, c, d, a, buffer[5] + 0xfc93a039, 21);
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MD5STEP(F4, a, b, c, d, buffer[12] + 0x655b59c3, 6);
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MD5STEP(F4, d, a, b, c, buffer[3] + 0x8f0ccc92, 10);
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MD5STEP(F4, c, d, a, b, buffer[10] + 0xffeff47d, 15);
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MD5STEP(F4, b, c, d, a, buffer[1] + 0x85845dd1, 21);
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MD5STEP(F4, a, b, c, d, buffer[8] + 0x6fa87e4f, 6);
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MD5STEP(F4, d, a, b, c, buffer[15] + 0xfe2ce6e0, 10);
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MD5STEP(F4, c, d, a, b, buffer[6] + 0xa3014314, 15);
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MD5STEP(F4, b, c, d, a, buffer[13] + 0x4e0811a1, 21);
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MD5STEP(F4, a, b, c, d, buffer[4] + 0xf7537e82, 6);
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MD5STEP(F4, d, a, b, c, buffer[11] + 0xbd3af235, 10);
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MD5STEP(F4, c, d, a, b, buffer[2] + 0x2ad7d2bb, 15);
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MD5STEP(F4, b, c, d, a, buffer[9] + 0xeb86d391, 21);
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/* Add the working vars back into digest state[] */
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md5->digest[0] += a;
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md5->digest[1] += b;
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md5->digest[2] += c;
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md5->digest[3] += d;
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return 0;
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}
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#endif /* NEED_SOFT_MD5 */
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#ifndef HAVE_MD5_CUST_API
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static WC_INLINE void AddLength(wc_Md5* md5, word32 len)
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{
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word32 tmp = md5->loLen;
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if ((md5->loLen += len) < tmp) {
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md5->hiLen++; /* carry low to high */
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}
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}
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static int _InitMd5(wc_Md5* md5)
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{
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int ret = 0;
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md5->digest[0] = 0x67452301L;
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md5->digest[1] = 0xefcdab89L;
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md5->digest[2] = 0x98badcfeL;
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md5->digest[3] = 0x10325476L;
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md5->buffLen = 0;
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md5->loLen = 0;
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md5->hiLen = 0;
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#ifdef WOLFSSL_HASH_FLAGS
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md5->flags = 0;
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#endif
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return ret;
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}
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int wc_InitMd5_ex(wc_Md5* md5, void* heap, int devId)
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{
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int ret = 0;
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if (md5 == NULL)
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return BAD_FUNC_ARG;
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md5->heap = heap;
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ret = _InitMd5(md5);
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if (ret != 0)
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return ret;
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#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_MD5)
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ret = wolfAsync_DevCtxInit(&md5->asyncDev, WOLFSSL_ASYNC_MARKER_MD5,
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md5->heap, devId);
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#else
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(void)devId;
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#endif
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return ret;
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}
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/* do block size increments/updates */
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int wc_Md5Update(wc_Md5* md5, const byte* data, word32 len)
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{
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int ret = 0;
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word32 blocksLen;
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byte* local;
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if (md5 == NULL || (data == NULL && len > 0)) {
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return BAD_FUNC_ARG;
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}
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#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_MD5)
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if (md5->asyncDev.marker == WOLFSSL_ASYNC_MARKER_MD5) {
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#if defined(HAVE_INTEL_QA)
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return IntelQaSymMd5(&md5->asyncDev, NULL, data, len);
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#endif
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}
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#endif /* WOLFSSL_ASYNC_CRYPT */
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/* check that internal buffLen is valid */
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if (md5->buffLen >= WC_MD5_BLOCK_SIZE)
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return BUFFER_E;
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if (data == NULL && len == 0) {
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/* valid, but do nothing */
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return 0;
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}
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/* add length for final */
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AddLength(md5, len);
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local = (byte*)md5->buffer;
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/* process any remainder from previous operation */
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if (md5->buffLen > 0) {
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blocksLen = min(len, WC_MD5_BLOCK_SIZE - md5->buffLen);
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XMEMCPY(&local[md5->buffLen], data, blocksLen);
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md5->buffLen += blocksLen;
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data += blocksLen;
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len -= blocksLen;
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if (md5->buffLen == WC_MD5_BLOCK_SIZE) {
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#if defined(BIG_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
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ByteReverseWords(md5->buffer, md5->buffer, WC_MD5_BLOCK_SIZE);
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#endif
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ret = XTRANSFORM(md5, (const byte*)local);
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if (ret != 0)
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return ret;
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md5->buffLen = 0;
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}
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}
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/* process blocks */
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#ifdef XTRANSFORM_LEN
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/* get number of blocks */
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/* 64-1 = 0x3F (~ Inverted = 0xFFFFFFC0) */
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/* len (masked by 0xFFFFFFC0) returns block aligned length */
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blocksLen = len & ~(WC_MD5_BLOCK_SIZE-1);
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if (blocksLen > 0) {
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/* Byte reversal performed in function if required. */
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XTRANSFORM_LEN(md5, data, blocksLen);
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data += blocksLen;
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len -= blocksLen;
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}
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#else
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while (len >= WC_MD5_BLOCK_SIZE) {
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word32* local32 = md5->buffer;
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/* optimization to avoid memcpy if data pointer is properly aligned */
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/* Big Endian requires byte swap, so can't use data directly */
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#if defined(WC_HASH_DATA_ALIGNMENT) && !defined(BIG_ENDIAN_ORDER)
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if (((wc_ptr_t)data % WC_HASH_DATA_ALIGNMENT) == 0) {
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local32 = (word32*)data;
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}
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else
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#endif
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{
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XMEMCPY(local32, data, WC_MD5_BLOCK_SIZE);
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}
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data += WC_MD5_BLOCK_SIZE;
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len -= WC_MD5_BLOCK_SIZE;
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#if defined(BIG_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
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ByteReverseWords(local32, local32, WC_MD5_BLOCK_SIZE);
|
|
#endif
|
|
|
|
ret = XTRANSFORM(md5, (const byte*)local32);
|
|
}
|
|
#endif /* XTRANSFORM_LEN */
|
|
|
|
/* save remainder */
|
|
if (len > 0) {
|
|
XMEMCPY(local, data, len);
|
|
md5->buffLen = len;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int wc_Md5Final(wc_Md5* md5, byte* hash)
|
|
{
|
|
byte* local;
|
|
|
|
if (md5 == NULL || hash == NULL) {
|
|
return BAD_FUNC_ARG;
|
|
}
|
|
|
|
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_MD5)
|
|
if (md5->asyncDev.marker == WOLFSSL_ASYNC_MARKER_MD5) {
|
|
#if defined(HAVE_INTEL_QA)
|
|
return IntelQaSymMd5(&md5->asyncDev, hash, NULL, WC_MD5_DIGEST_SIZE);
|
|
#endif
|
|
}
|
|
#endif /* WOLFSSL_ASYNC_CRYPT */
|
|
|
|
local = (byte*)md5->buffer; /* buffer allocated in word32 size */
|
|
|
|
/* ensure we have a valid buffer length; (-1 to append a byte to length) */
|
|
if (md5->buffLen > WC_MD5_BLOCK_SIZE - 1) {
|
|
/* some places consider this BAD_STATE_E */
|
|
return BUFFER_E;
|
|
}
|
|
|
|
local[md5->buffLen++] = 0x80; /* add 1 */
|
|
|
|
/* pad with zeros */
|
|
if (md5->buffLen > WC_MD5_PAD_SIZE) {
|
|
if (md5->buffLen < WC_MD5_BLOCK_SIZE) {
|
|
XMEMSET(&local[md5->buffLen], 0, WC_MD5_BLOCK_SIZE - md5->buffLen);
|
|
}
|
|
md5->buffLen += WC_MD5_BLOCK_SIZE - md5->buffLen;
|
|
|
|
#if defined(BIG_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
|
ByteReverseWords(md5->buffer, md5->buffer, WC_MD5_BLOCK_SIZE);
|
|
#endif
|
|
XTRANSFORM(md5, local);
|
|
md5->buffLen = 0;
|
|
}
|
|
XMEMSET(&local[md5->buffLen], 0, WC_MD5_PAD_SIZE - md5->buffLen);
|
|
|
|
#if defined(BIG_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
|
ByteReverseWords(md5->buffer, md5->buffer, WC_MD5_BLOCK_SIZE);
|
|
#endif
|
|
|
|
/* put lengths in bits */
|
|
md5->hiLen = (md5->loLen >> (8 * sizeof(md5->loLen) - 3)) +
|
|
(md5->hiLen << 3);
|
|
md5->loLen = md5->loLen << 3;
|
|
|
|
/* store lengths */
|
|
/* ! length ordering dependent on digest endian type ! */
|
|
XMEMCPY(&local[WC_MD5_PAD_SIZE], &md5->loLen, sizeof(word32));
|
|
XMEMCPY(&local[WC_MD5_PAD_SIZE + sizeof(word32)], &md5->hiLen, sizeof(word32));
|
|
|
|
/* final transform and result to hash */
|
|
XTRANSFORM(md5, local);
|
|
#ifdef BIG_ENDIAN_ORDER
|
|
ByteReverseWords(md5->digest, md5->digest, WC_MD5_DIGEST_SIZE);
|
|
#endif
|
|
XMEMCPY(hash, md5->digest, WC_MD5_DIGEST_SIZE);
|
|
|
|
return _InitMd5(md5); /* reset state */
|
|
}
|
|
#endif /* !HAVE_MD5_CUST_API */
|
|
|
|
|
|
int wc_InitMd5(wc_Md5* md5)
|
|
{
|
|
if (md5 == NULL) {
|
|
return BAD_FUNC_ARG;
|
|
}
|
|
return wc_InitMd5_ex(md5, NULL, INVALID_DEVID);
|
|
}
|
|
|
|
void wc_Md5Free(wc_Md5* md5)
|
|
{
|
|
if (md5 == NULL)
|
|
return;
|
|
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_MD5)
|
|
wolfAsync_DevCtxFree(&md5->asyncDev, WOLFSSL_ASYNC_MARKER_MD5);
|
|
#endif /* WOLFSSL_ASYNC_CRYPT */
|
|
|
|
#ifdef WOLFSSL_PIC32MZ_HASH
|
|
wc_Md5Pic32Free(md5);
|
|
#endif
|
|
}
|
|
|
|
int wc_Md5GetHash(wc_Md5* md5, byte* hash)
|
|
{
|
|
int ret;
|
|
wc_Md5 tmpMd5;
|
|
|
|
if (md5 == NULL || hash == NULL)
|
|
return BAD_FUNC_ARG;
|
|
|
|
ret = wc_Md5Copy(md5, &tmpMd5);
|
|
if (ret == 0) {
|
|
ret = wc_Md5Final(&tmpMd5, hash);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
int wc_Md5Copy(wc_Md5* src, wc_Md5* dst)
|
|
{
|
|
int ret = 0;
|
|
|
|
if (src == NULL || dst == NULL)
|
|
return BAD_FUNC_ARG;
|
|
|
|
XMEMCPY(dst, src, sizeof(wc_Md5));
|
|
|
|
#if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_MD5)
|
|
ret = wolfAsync_DevCopy(&src->asyncDev, &dst->asyncDev);
|
|
#endif
|
|
#ifdef WOLFSSL_PIC32MZ_HASH
|
|
ret = wc_Pic32HashCopy(&src->cache, &dst->cache);
|
|
#endif
|
|
#ifdef WOLFSSL_HASH_FLAGS
|
|
dst->flags |= WC_HASH_FLAG_ISCOPY;
|
|
#endif
|
|
|
|
return ret;
|
|
}
|
|
|
|
#if defined(OPENSSL_EXTRA) || defined(HAVE_CURL)
|
|
/* Apply MD5 transformation to the data */
|
|
/* @param md5 a pointer to wc_MD5 structure */
|
|
/* @param data data to be applied MD5 transformation */
|
|
/* @return 0 on successful, otherwise non-zero on failure */
|
|
int wc_Md5Transform(wc_Md5* md5, const byte* data)
|
|
{
|
|
/* sanity check */
|
|
if (md5 == NULL || data == NULL) {
|
|
return BAD_FUNC_ARG;
|
|
}
|
|
#ifndef HAVE_MD5_CUST_API
|
|
return Transform(md5, data);
|
|
#else
|
|
return NOT_COMPILED_IN;
|
|
#endif
|
|
}
|
|
#endif /* OPENSSL_EXTRA */
|
|
|
|
#ifdef WOLFSSL_HASH_FLAGS
|
|
int wc_Md5SetFlags(wc_Md5* md5, word32 flags)
|
|
{
|
|
if (md5) {
|
|
md5->flags = flags;
|
|
}
|
|
return 0;
|
|
}
|
|
int wc_Md5GetFlags(wc_Md5* md5, word32* flags)
|
|
{
|
|
if (md5 && flags) {
|
|
*flags = md5->flags;
|
|
}
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#endif /* WOLFSSL_TI_HASH */
|
|
#endif /* NO_MD5 */
|