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https://github.com/wolfSSL/wolfssl.git
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130 lines
3.1 KiB
C
130 lines
3.1 KiB
C
/* devcrypto_hmac.c
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*
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* Copyright (C) 2006-2021 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(WOLFSSL_DEVCRYPTO_HMAC)
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#include <wolfssl/wolfcrypt/error-crypt.h>
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#include <wolfssl/wolfcrypt/hmac.h>
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#include <wolfssl/wolfcrypt/logging.h>
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#include <wolfssl/wolfcrypt/port/devcrypto/wc_devcrypto.h>
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static int InternalTypeToDevcrypto(int t)
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{
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switch (t) {
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case WC_HASH_TYPE_MD5:
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return CRYPTO_MD5_HMAC;
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case WC_HASH_TYPE_SHA:
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return CRYPTO_SHA1_HMAC;
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case WC_HASH_TYPE_SHA256:
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return CRYPTO_SHA2_256_HMAC;
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case WC_HASH_TYPE_SHA384:
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return CRYPTO_SHA2_384_HMAC;
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case WC_HASH_TYPE_SHA512:
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return CRYPTO_SHA2_512_HMAC;
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default:
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WOLFSSL_MSG("Unsupported HMAC hash type with devcrypto");
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}
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return HASH_TYPE_E;
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}
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int wc_DevCrypto_HmacSetKey(Hmac* hmac, int t, const byte* key, word32 keySz)
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{
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int hType;
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hmac->ctx.cfd = -1;
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hType = InternalTypeToDevcrypto(t);
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if (hType < 0) {
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return hType;
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}
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else {
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return wc_DevCryptoCreate(&hmac->ctx, hType, (byte*)key, keySz);
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}
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}
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int wc_DevCrypto_HmacUpdate(Hmac* hmac, const byte* input, word32 inputSz)
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{
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WC_CRYPTODEV* dev;
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struct crypt_op crt;
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if (inputSz == 0) {
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return 0;
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}
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if ((dev = &hmac->ctx) == NULL) {
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WOLFSSL_MSG("Unsupported hash type");
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return BAD_FUNC_ARG;
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}
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wc_SetupCrypt(&crt, dev, (byte*)input, inputSz, NULL, NULL,
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COP_FLAG_UPDATE, COP_ENCRYPT);
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if (ioctl(dev->cfd, CIOCCRYPT, &crt)) {
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WOLFSSL_MSG("Error with call to ioctl");
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return WC_DEVCRYPTO_E;
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}
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return 0;
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}
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int wc_DevCrypto_HmacFinal(Hmac* hmac, byte* out)
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{
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WC_CRYPTODEV* dev;
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struct crypt_op crt;
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if ((dev = &hmac->ctx) == NULL) {
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WOLFSSL_MSG("Unsupported hash type");
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return BAD_FUNC_ARG;
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}
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wc_SetupCrypt(&crt, dev, NULL, 0, NULL, out, COP_FLAG_FINAL, COP_ENCRYPT);
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if (ioctl(dev->cfd, CIOCCRYPT, &crt)) {
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WOLFSSL_MSG("Error with call to ioctl");
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return WC_DEVCRYPTO_E;
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}
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return 0;
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}
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int wc_DevCrypto_HmacInit(Hmac* hmac, void* heap, int devId)
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{
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(void)hmac;
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(void)heap;
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(void)devId;
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return 0;
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}
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void wc_DevCrypto_HmacFree(Hmac* hmac)
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{
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wc_DevCryptoFree(&hmac->ctx);
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}
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#endif /* WOLFSSL_DEVCRYPTO */
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