| xf.li | bfc6e71 | 2025-02-07 01:54:34 -0800 | [diff] [blame^] | 1 | /* blake2.h |
| 2 | * |
| 3 | * Copyright (C) 2006-2021 wolfSSL Inc. |
| 4 | * |
| 5 | * This file is part of wolfSSL. |
| 6 | * |
| 7 | * wolfSSL is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * wolfSSL is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA |
| 20 | */ |
| 21 | |
| 22 | /*! |
| 23 | \file wolfssl/wolfcrypt/blake2.h |
| 24 | */ |
| 25 | |
| 26 | #ifndef WOLF_CRYPT_BLAKE2_H |
| 27 | #define WOLF_CRYPT_BLAKE2_H |
| 28 | |
| 29 | #include <wolfssl/wolfcrypt/settings.h> |
| 30 | |
| 31 | #if defined(HAVE_BLAKE2) || defined(HAVE_BLAKE2S) |
| 32 | |
| 33 | #include <wolfssl/wolfcrypt/blake2-int.h> |
| 34 | |
| 35 | /* call old functions if using fips for the sake of hmac @wc_fips */ |
| 36 | #ifdef HAVE_FIPS |
| 37 | /* Since hmac can call blake functions provide original calls */ |
| 38 | #define wc_InitBlake2b InitBlake2b |
| 39 | #define wc_Blake2bUpdate Blake2bUpdate |
| 40 | #define wc_Blake2bFinal Blake2bFinal |
| 41 | #endif |
| 42 | |
| 43 | #ifdef __cplusplus |
| 44 | extern "C" { |
| 45 | #endif |
| 46 | |
| 47 | /* in bytes, variable digest size up to 512 bits (64 bytes) */ |
| 48 | enum { |
| 49 | #ifdef HAVE_BLAKE2B |
| 50 | BLAKE2B_ID = WC_HASH_TYPE_BLAKE2B, |
| 51 | BLAKE2B_256 = 32, /* 256 bit type, SSL default */ |
| 52 | #endif |
| 53 | #ifdef HAVE_BLAKE2S |
| 54 | BLAKE2S_ID = WC_HASH_TYPE_BLAKE2S, |
| 55 | BLAKE2S_256 = 32 /* 256 bit type */ |
| 56 | #endif |
| 57 | }; |
| 58 | |
| 59 | |
| 60 | #ifdef HAVE_BLAKE2B |
| 61 | /* BLAKE2b digest */ |
| 62 | typedef struct Blake2b { |
| 63 | blake2b_state S[1]; /* our state */ |
| 64 | word32 digestSz; /* digest size used on init */ |
| 65 | } Blake2b; |
| 66 | #endif |
| 67 | |
| 68 | #ifdef HAVE_BLAKE2S |
| 69 | /* BLAKE2s digest */ |
| 70 | typedef struct Blake2s { |
| 71 | blake2s_state S[1]; /* our state */ |
| 72 | word32 digestSz; /* digest size used on init */ |
| 73 | } Blake2s; |
| 74 | #endif |
| 75 | |
| 76 | |
| 77 | #ifdef HAVE_BLAKE2B |
| 78 | WOLFSSL_API int wc_InitBlake2b(Blake2b*, word32); |
| 79 | WOLFSSL_API int wc_InitBlake2b_WithKey(Blake2b*, word32, const byte *, word32); |
| 80 | WOLFSSL_API int wc_Blake2bUpdate(Blake2b*, const byte*, word32); |
| 81 | WOLFSSL_API int wc_Blake2bFinal(Blake2b*, byte*, word32); |
| 82 | #endif |
| 83 | |
| 84 | #ifdef HAVE_BLAKE2S |
| 85 | WOLFSSL_API int wc_InitBlake2s(Blake2s*, word32); |
| 86 | WOLFSSL_API int wc_InitBlake2s_WithKey(Blake2s*, word32, const byte *, word32); |
| 87 | WOLFSSL_API int wc_Blake2sUpdate(Blake2s*, const byte*, word32); |
| 88 | WOLFSSL_API int wc_Blake2sFinal(Blake2s*, byte*, word32); |
| 89 | #endif |
| 90 | |
| 91 | |
| 92 | #ifdef __cplusplus |
| 93 | } |
| 94 | #endif |
| 95 | |
| 96 | #endif /* HAVE_BLAKE2 || HAVE_BLAKE2S */ |
| 97 | #endif /* WOLF_CRYPT_BLAKE2_H */ |
| 98 | |