2020-03-11 21:01:54 +00:00
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/* blake2.h
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*
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* Copyright (C) 2006-2019 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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/*!
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\file wolfssl/wolfcrypt/blake2.h
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*/
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#ifndef WOLF_CRYPT_BLAKE2_H
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#define WOLF_CRYPT_BLAKE2_H
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#include <wolfssl/wolfcrypt/settings.h>
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2020-04-07 20:11:21 +00:00
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#if defined(HAVE_BLAKE2) || defined(HAVE_BLAKE2S)
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2020-03-11 21:01:54 +00:00
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#include <wolfssl/wolfcrypt/blake2-int.h>
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/* call old functions if using fips for the sake of hmac @wc_fips */
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#ifdef HAVE_FIPS
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/* Since hmac can call blake functions provide original calls */
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#define wc_InitBlake2b InitBlake2b
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#define wc_Blake2bUpdate Blake2bUpdate
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#define wc_Blake2bFinal Blake2bFinal
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* in bytes, variable digest size up to 512 bits (64 bytes) */
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enum {
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2020-04-07 20:11:21 +00:00
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#ifdef HAVE_BLAKE2B
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2020-03-11 21:01:54 +00:00
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BLAKE2B_ID = WC_HASH_TYPE_BLAKE2B,
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BLAKE2B_256 = 32, /* 256 bit type, SSL default */
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2020-04-07 20:11:21 +00:00
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#endif
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2020-03-11 21:01:54 +00:00
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#ifdef HAVE_BLAKE2S
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BLAKE2S_ID = WC_HASH_TYPE_BLAKE2S,
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BLAKE2S_256 = 32 /* 256 bit type */
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#endif
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};
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2020-04-07 20:11:21 +00:00
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#ifdef HAVE_BLAKE2B
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2020-03-11 21:01:54 +00:00
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/* BLAKE2b digest */
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typedef struct Blake2b {
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blake2b_state S[1]; /* our state */
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word32 digestSz; /* digest size used on init */
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} Blake2b;
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2020-04-07 20:11:21 +00:00
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#endif
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2020-03-11 21:01:54 +00:00
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#ifdef HAVE_BLAKE2S
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/* BLAKE2s digest */
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typedef struct Blake2s {
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blake2s_state S[1]; /* our state */
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word32 digestSz; /* digest size used on init */
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} Blake2s;
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#endif
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2020-04-07 20:11:21 +00:00
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#ifdef HAVE_BLAKE2B
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2020-03-11 21:01:54 +00:00
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WOLFSSL_API int wc_InitBlake2b(Blake2b*, word32);
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WOLFSSL_API int wc_Blake2bUpdate(Blake2b*, const byte*, word32);
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WOLFSSL_API int wc_Blake2bFinal(Blake2b*, byte*, word32);
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2020-04-07 20:11:21 +00:00
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#endif
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2020-03-11 21:01:54 +00:00
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#ifdef HAVE_BLAKE2S
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WOLFSSL_API int wc_InitBlake2s(Blake2s*, word32);
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WOLFSSL_API int wc_Blake2sUpdate(Blake2s*, const byte*, word32);
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WOLFSSL_API int wc_Blake2sFinal(Blake2s*, byte*, word32);
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#endif
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#ifdef __cplusplus
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}
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#endif
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2020-04-07 20:11:21 +00:00
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#endif /* HAVE_BLAKE2 || HAVE_BLAKE2S */
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2020-03-11 21:01:54 +00:00
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#endif /* WOLF_CRYPT_BLAKE2_H */
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