1 /*
2 * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
8 */
9
10 /*
11 * MD5 and SHA-1 low level APIs are deprecated for public use, but still ok for
12 * internal use.
13 */
14 #include "internal/deprecated.h"
15
16 #include <string.h>
17 #include <openssl/crypto.h>
18 #include <openssl/evp.h>
19 #include <openssl/params.h>
20 #include <openssl/core_names.h>
21 #include "prov/md5_sha1.h"
22 #include "prov/digestcommon.h"
23 #include "prov/implementations.h"
24
25 static OSSL_FUNC_digest_set_ctx_params_fn md5_sha1_set_ctx_params;
26 static OSSL_FUNC_digest_settable_ctx_params_fn md5_sha1_settable_ctx_params;
27
28 static const OSSL_PARAM known_md5_sha1_settable_ctx_params[] = {
29 {OSSL_DIGEST_PARAM_SSL3_MS, OSSL_PARAM_OCTET_STRING, NULL, 0, 0},
30 OSSL_PARAM_END
31 };
32
md5_sha1_settable_ctx_params(ossl_unused void * ctx,ossl_unused void * provctx)33 static const OSSL_PARAM *md5_sha1_settable_ctx_params(ossl_unused void *ctx,
34 ossl_unused void *provctx)
35 {
36 return known_md5_sha1_settable_ctx_params;
37 }
38
39 /* Special set_params method for SSL3 */
md5_sha1_set_ctx_params(void * vctx,const OSSL_PARAM params[])40 static int md5_sha1_set_ctx_params(void *vctx, const OSSL_PARAM params[])
41 {
42 const OSSL_PARAM *p;
43 MD5_SHA1_CTX *ctx = (MD5_SHA1_CTX *)vctx;
44
45 if (ctx == NULL)
46 return 0;
47 if (ossl_param_is_empty(params))
48 return 1;
49
50 p = OSSL_PARAM_locate_const(params, OSSL_DIGEST_PARAM_SSL3_MS);
51 if (p != NULL && p->data_type == OSSL_PARAM_OCTET_STRING)
52 return ossl_md5_sha1_ctrl(ctx, EVP_CTRL_SSL3_MASTER_SECRET,
53 p->data_size, p->data);
54 return 1;
55 }
56
57 /* ossl_md5_sha1_functions */
58 IMPLEMENT_digest_functions_with_settable_ctx(
59 md5_sha1, MD5_SHA1_CTX, MD5_SHA1_CBLOCK, MD5_SHA1_DIGEST_LENGTH, 0,
60 ossl_md5_sha1_init, ossl_md5_sha1_update, ossl_md5_sha1_final,
61 md5_sha1_settable_ctx_params, md5_sha1_set_ctx_params)
62
