54 lines
1.3 KiB
C
54 lines
1.3 KiB
C
/*
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* This software is licensed under the terms of the MIT-License
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* See COPYING for further information.
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* ---
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* Copyright (c) 2011-2019, Lukas Weber <laochailan@web.de>.
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* Copyright (c) 2012-2019, Andrei Alexeyev <akari@alienslab.net>.
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*/
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#include "taisei.h"
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#include "sha256.h"
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#include "util.h"
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#include <openssl/sha.h>
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struct SHA256State {
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SHA256_CTX context;
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};
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SHA256State* sha256_new(void) {
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SHA256State *st = calloc(1, sizeof(*st));
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SHA256_Init(&st->context);
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return st;
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}
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void sha256_free(SHA256State *ctx) {
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free(ctx);
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}
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void sha256_update(SHA256State *ctx, const uint8_t *data, size_t len) {
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SHA256_Update(&ctx->context, data, len);
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}
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void sha256_final(SHA256State *ctx, uint8_t hash[SHA256_BLOCK_SIZE], size_t hashlen) {
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assert(hashlen >= SHA256_BLOCK_SIZE);
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SHA256_Final(hash, &ctx->context);
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}
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void sha256_digest(const uint8_t *data, size_t len, uint8_t hash[SHA256_BLOCK_SIZE], size_t hashlen) {
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assert(hashlen >= SHA256_BLOCK_SIZE);
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SHA256_CTX ctx;
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SHA256_Init(&ctx);
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SHA256_Update(&ctx, data, len);
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SHA256_Final(hash, &ctx);
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}
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void sha256_hexdigest(const uint8_t *data, size_t len, char hash[SHA256_BLOCK_SIZE*2+1], size_t hashlen) {
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assert(hashlen >= SHA256_BLOCK_SIZE * 2 + 1);
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uint8_t digest[SHA256_BLOCK_SIZE];
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sha256_digest(data, len, digest, sizeof(digest));
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hexdigest(digest, sizeof(digest), hash, hashlen);
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}
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