37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
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/*
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* Copyright (c) 2024 Lucas Gabriel Vuotto <lucas@lgv5.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <stddef.h>
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#include <stdint.h>
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#include "lilcrypto.h"
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#define SHA256_CHUNK 64
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#define SHA256_CHUNK_WORDS (SHA256_CHUNK / sizeof(uint32_t))
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#define SHA256_ROUNDS 64
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struct sha256_ctx {
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uint32_t h0, h1, h2, h3, h4, h5, h6, h7;
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uint64_t sz;
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size_t mlen;
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uint8_t m[SHA256_CHUNK];
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};
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void sha256_block(struct sha256_ctx *);
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