2022-04-24 22:29:35 +02:00
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/* $OpenBSD: m_md5_sha1.c,v 1.4 2022/01/14 08:38:06 tb Exp $ */
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2020-12-28 16:15:37 +01:00
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/*
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* Copyright (c) 2017 Joel Sing <jsing@openbsd.org>
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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 <openssl/evp.h>
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#include <openssl/md5.h>
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#include <openssl/objects.h>
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#include <openssl/sha.h>
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#ifndef OPENSSL_NO_RSA
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#include <openssl/rsa.h>
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#endif
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2022-04-24 22:29:35 +02:00
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#include "evp_locl.h"
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2020-12-28 16:15:37 +01:00
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struct md5_sha1_ctx {
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MD5_CTX md5;
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SHA_CTX sha1;
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};
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static int
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md5_sha1_init(EVP_MD_CTX *ctx)
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{
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struct md5_sha1_ctx *mdctx = ctx->md_data;
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if (!MD5_Init(&mdctx->md5))
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return 0;
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if (!SHA1_Init(&mdctx->sha1))
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return 0;
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return 1;
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}
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static int
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md5_sha1_update(EVP_MD_CTX *ctx, const void *data, size_t count)
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{
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struct md5_sha1_ctx *mdctx = ctx->md_data;
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if (!MD5_Update(&mdctx->md5, data, count))
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return 0;
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if (!SHA1_Update(&mdctx->sha1, data, count))
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return 0;
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return 1;
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}
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static int
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md5_sha1_final(EVP_MD_CTX *ctx, unsigned char *out)
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{
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struct md5_sha1_ctx *mdctx = ctx->md_data;
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if (!MD5_Final(out, &mdctx->md5))
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return 0;
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if (!SHA1_Final(out + MD5_DIGEST_LENGTH, &mdctx->sha1))
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return 0;
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return 1;
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}
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static const EVP_MD md5_sha1_md = {
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.type = NID_md5_sha1,
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.pkey_type = NID_md5_sha1,
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.md_size = MD5_DIGEST_LENGTH + SHA_DIGEST_LENGTH,
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.flags = 0,
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.init = md5_sha1_init,
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.update = md5_sha1_update,
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.final = md5_sha1_final,
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.block_size = MD5_CBLOCK, /* MD5_CBLOCK == SHA_CBLOCK */
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.ctx_size = sizeof(EVP_MD *) + sizeof(struct md5_sha1_ctx),
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};
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const EVP_MD *
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EVP_md5_sha1(void)
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{
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return &md5_sha1_md;
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}
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