99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
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/*
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Copyright (c) 2018 tevador
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This file is part of RandomX.
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RandomX 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 3 of the License, or
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(at your option) any later version.
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RandomX 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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You should have received a copy of the GNU General Public License
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along with RandomX. If not, see<http://www.gnu.org/licenses/>.
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*/
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/* Original code from Argon2 reference source code package used under CC0 Licence
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* https://github.com/P-H-C/phc-winner-argon2
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* Copyright 2015
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* Daniel Dinu, Dmitry Khovratovich, Jean-Philippe Aumasson, and Samuel Neves
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*/
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#ifndef PORTABLE_BLAKE2_H
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#define PORTABLE_BLAKE2_H
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#include <stdint.h>
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#include <limits.h>
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#if defined(__cplusplus)
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extern "C" {
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#endif
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enum blake2b_constant {
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BLAKE2B_BLOCKBYTES = 128,
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BLAKE2B_OUTBYTES = 64,
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BLAKE2B_KEYBYTES = 64,
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BLAKE2B_SALTBYTES = 16,
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BLAKE2B_PERSONALBYTES = 16
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};
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#pragma pack(push, 1)
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typedef struct __blake2b_param {
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uint8_t digest_length; /* 1 */
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uint8_t key_length; /* 2 */
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uint8_t fanout; /* 3 */
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uint8_t depth; /* 4 */
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uint32_t leaf_length; /* 8 */
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uint64_t node_offset; /* 16 */
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uint8_t node_depth; /* 17 */
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uint8_t inner_length; /* 18 */
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uint8_t reserved[14]; /* 32 */
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uint8_t salt[BLAKE2B_SALTBYTES]; /* 48 */
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uint8_t personal[BLAKE2B_PERSONALBYTES]; /* 64 */
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} blake2b_param;
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#pragma pack(pop)
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typedef struct __blake2b_state {
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uint64_t h[8];
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uint64_t t[2];
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uint64_t f[2];
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uint8_t buf[BLAKE2B_BLOCKBYTES];
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unsigned buflen;
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unsigned outlen;
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uint8_t last_node;
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} blake2b_state;
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/* Ensure param structs have not been wrongly padded */
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/* Poor man's static_assert */
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enum {
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blake2_size_check_0 = 1 / !!(CHAR_BIT == 8),
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blake2_size_check_2 =
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1 / !!(sizeof(blake2b_param) == sizeof(uint64_t) * CHAR_BIT)
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};
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/* Streaming API */
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int blake2b_init(blake2b_state *S, size_t outlen);
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int blake2b_init_key(blake2b_state *S, size_t outlen, const void *key,
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size_t keylen);
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int blake2b_init_param(blake2b_state *S, const blake2b_param *P);
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int blake2b_update(blake2b_state *S, const void *in, size_t inlen);
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int blake2b_final(blake2b_state *S, void *out, size_t outlen);
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/* Simple API */
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int blake2b(void *out, size_t outlen, const void *in, size_t inlen,
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const void *key, size_t keylen);
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/* Argon2 Team - Begin Code */
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int blake2b_long(void *out, size_t outlen, const void *in, size_t inlen);
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/* Argon2 Team - End Code */
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#if defined(__cplusplus)
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}
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#endif
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#endif
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