lilcrypto/impl_sha256.h

33 lines
1.1 KiB
C

/*
* Copyright (c) 2024 Lucas Gabriel Vuotto <lucas@lgv5.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "lilcrypto.h"
#define SHA256_BLOCKLEN_WORDS (LC_SHA256_BLOCKLEN / sizeof(uint32_t))
#define SHA256_ROUNDS 64
struct sha256_ctx {
uint32_t h0, h1, h2, h3, h4, h5, h6, h7;
uint64_t sz;
size_t mlen;
uint8_t m[LC_SHA256_BLOCKLEN];
};
void sha256_block(struct sha256_ctx *);