openssl/providers/implementations/digests/md5_sha1_prov.c
2020-08-12 08:43:37 +10:00

58 lines
1.9 KiB
C

/*
* Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/*
* MD5 and SHA-1 low level APIs are deprecated for public use, but still ok for
* internal use.
*/
#include "internal/deprecated.h"
#include <string.h>
#include <openssl/crypto.h>
#include <openssl/evp.h>
#include <openssl/params.h>
#include <openssl/core_names.h>
#include "prov/md5_sha1.h"
#include "prov/digestcommon.h"
#include "prov/implementations.h"
static OSSL_FUNC_digest_set_ctx_params_fn md5_sha1_set_ctx_params;
static OSSL_FUNC_digest_settable_ctx_params_fn md5_sha1_settable_ctx_params;
static const OSSL_PARAM known_md5_sha1_settable_ctx_params[] = {
{OSSL_DIGEST_PARAM_SSL3_MS, OSSL_PARAM_OCTET_STRING, NULL, 0, 0},
OSSL_PARAM_END
};
static const OSSL_PARAM *md5_sha1_settable_ctx_params(ossl_unused void *provctx)
{
return known_md5_sha1_settable_ctx_params;
}
/* Special set_params method for SSL3 */
static int md5_sha1_set_ctx_params(void *vctx, const OSSL_PARAM params[])
{
const OSSL_PARAM *p;
MD5_SHA1_CTX *ctx = (MD5_SHA1_CTX *)vctx;
if (ctx != NULL && params != NULL) {
p = OSSL_PARAM_locate_const(params, OSSL_DIGEST_PARAM_SSL3_MS);
if (p != NULL && p->data_type == OSSL_PARAM_OCTET_STRING)
return md5_sha1_ctrl(ctx, EVP_CTRL_SSL3_MASTER_SECRET, p->data_size,
p->data);
}
return 0;
}
/* md5_sha1_functions */
IMPLEMENT_digest_functions_with_settable_ctx(
md5_sha1, MD5_SHA1_CTX, MD5_SHA1_CBLOCK, MD5_SHA1_DIGEST_LENGTH, 0,
md5_sha1_init, md5_sha1_update, md5_sha1_final,
md5_sha1_settable_ctx_params, md5_sha1_set_ctx_params)