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- /* blake2.h
- *
- * Copyright (C) 2006-2022 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 2 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/blake2.h
- */
- #ifndef WOLF_CRYPT_BLAKE2_H
- #define WOLF_CRYPT_BLAKE2_H
- #include <wolfssl/wolfcrypt/settings.h>
- #if defined(HAVE_BLAKE2) || defined(HAVE_BLAKE2S)
- #include <wolfssl/wolfcrypt/blake2-int.h>
- /* call old functions if using fips for the sake of hmac @wc_fips */
- #ifdef HAVE_FIPS
- /* Since hmac can call blake functions provide original calls */
- #define wc_InitBlake2b InitBlake2b
- #define wc_Blake2bUpdate Blake2bUpdate
- #define wc_Blake2bFinal Blake2bFinal
- #endif
- #ifdef __cplusplus
- extern "C" {
- #endif
- /* in bytes, variable digest size up to 512 bits (64 bytes) */
- enum {
- #ifdef HAVE_BLAKE2B
- BLAKE2B_ID = WC_HASH_TYPE_BLAKE2B,
- BLAKE2B_256 = 32, /* 256 bit type, SSL default */
- #endif
- #ifdef HAVE_BLAKE2S
- BLAKE2S_ID = WC_HASH_TYPE_BLAKE2S,
- BLAKE2S_256 = 32 /* 256 bit type */
- #endif
- };
- #ifdef HAVE_BLAKE2B
- /* BLAKE2b digest */
- typedef struct Blake2b {
- blake2b_state S[1]; /* our state */
- word32 digestSz; /* digest size used on init */
- } Blake2b;
- #endif
- #ifdef HAVE_BLAKE2S
- /* BLAKE2s digest */
- typedef struct Blake2s {
- blake2s_state S[1]; /* our state */
- word32 digestSz; /* digest size used on init */
- } Blake2s;
- #endif
- #ifdef HAVE_BLAKE2B
- WOLFSSL_API int wc_InitBlake2b(Blake2b* b2b, word32 digestSz);
- WOLFSSL_API int wc_InitBlake2b_WithKey(Blake2b* b2b, word32 digestSz,
- const byte *key, word32 keylen);
- WOLFSSL_API int wc_Blake2bUpdate(Blake2b* b2b, const byte* data, word32 sz);
- WOLFSSL_API int wc_Blake2bFinal(Blake2b* b2b, byte* final, word32 requestSz);
- #endif
- #ifdef HAVE_BLAKE2S
- WOLFSSL_API int wc_InitBlake2s(Blake2s* b2s, word32 digestSz);
- WOLFSSL_API int wc_InitBlake2s_WithKey(Blake2s* b2s, word32 digestSz,
- const byte *key, word32 keylen);
- WOLFSSL_API int wc_Blake2sUpdate(Blake2s* b2s, const byte* data, word32 sz);
- WOLFSSL_API int wc_Blake2sFinal(Blake2s* b2s, byte* final, word32 requestSz);
- #endif
- #ifdef __cplusplus
- }
- #endif
- #endif /* HAVE_BLAKE2 || HAVE_BLAKE2S */
- #endif /* WOLF_CRYPT_BLAKE2_H */
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