Deprecate the low level SHA functions.
[openssl.git] / providers / implementations / digests / sha2_prov.c
1 /*
2  * Copyright 2019 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  * SHA low level APIs are deprecated for public use, but still ok for
12  * internal use.
13  */
14 #include "internal/deprecated.h"
15
16 #include <openssl/crypto.h>
17 #include <openssl/core_numbers.h>
18 #include <openssl/evp.h>
19 #include <openssl/sha.h>
20 #include <openssl/evp.h>
21 #include <openssl/params.h>
22 #include <openssl/core_names.h>
23 #include "prov/digestcommon.h"
24 #include "prov/implementations.h"
25 #include "crypto/sha.h"
26
27 static OSSL_OP_digest_set_ctx_params_fn sha1_set_ctx_params;
28 static OSSL_OP_digest_settable_ctx_params_fn sha1_settable_ctx_params;
29
30 static const OSSL_PARAM known_sha1_settable_ctx_params[] = {
31     {OSSL_DIGEST_PARAM_SSL3_MS, OSSL_PARAM_OCTET_STRING, NULL, 0, 0},
32     OSSL_PARAM_END
33 };
34 static const OSSL_PARAM *sha1_settable_ctx_params(void)
35 {
36     return known_sha1_settable_ctx_params;
37 }
38
39 /* Special set_params method for SSL3 */
40 static int sha1_set_ctx_params(void *vctx, const OSSL_PARAM params[])
41 {
42     const OSSL_PARAM *p;
43     SHA_CTX *ctx = (SHA_CTX *)vctx;
44
45     if (ctx != NULL && params != NULL) {
46         p = OSSL_PARAM_locate_const(params, OSSL_DIGEST_PARAM_SSL3_MS);
47         if (p != NULL && p->data_type == OSSL_PARAM_OCTET_STRING)
48             return sha1_ctrl(ctx, EVP_CTRL_SSL3_MASTER_SECRET, p->data_size,
49                              p->data);
50     }
51     return 0;
52 }
53
54 /* sha1_functions */
55 IMPLEMENT_digest_functions_with_settable_ctx(
56     sha1, SHA_CTX, SHA_CBLOCK, SHA_DIGEST_LENGTH, EVP_MD_FLAG_DIGALGID_ABSENT,
57     SHA1_Init, SHA1_Update, SHA1_Final,
58     sha1_settable_ctx_params, sha1_set_ctx_params)
59
60 /* sha224_functions */
61 IMPLEMENT_digest_functions(sha224, SHA256_CTX,
62                            SHA256_CBLOCK, SHA224_DIGEST_LENGTH,
63                            EVP_MD_FLAG_DIGALGID_ABSENT,
64                            SHA224_Init, SHA224_Update, SHA224_Final)
65
66 /* sha256_functions */
67 IMPLEMENT_digest_functions(sha256, SHA256_CTX,
68                            SHA256_CBLOCK, SHA256_DIGEST_LENGTH,
69                            EVP_MD_FLAG_DIGALGID_ABSENT,
70                            SHA256_Init, SHA256_Update, SHA256_Final)
71
72 /* sha384_functions */
73 IMPLEMENT_digest_functions(sha384, SHA512_CTX,
74                            SHA512_CBLOCK, SHA384_DIGEST_LENGTH,
75                            EVP_MD_FLAG_DIGALGID_ABSENT,
76                            SHA384_Init, SHA384_Update, SHA384_Final)
77
78 /* sha512_functions */
79 IMPLEMENT_digest_functions(sha512, SHA512_CTX,
80                            SHA512_CBLOCK, SHA512_DIGEST_LENGTH,
81                            EVP_MD_FLAG_DIGALGID_ABSENT,
82                            SHA512_Init, SHA512_Update, SHA512_Final)
83
84 /* sha512_224_functions */
85 IMPLEMENT_digest_functions(sha512_224, SHA512_CTX,
86                            SHA512_CBLOCK, SHA224_DIGEST_LENGTH,
87                            EVP_MD_FLAG_DIGALGID_ABSENT,
88                            sha512_224_init, SHA512_Update, SHA512_Final)
89
90 /* sha512_256_functions */
91 IMPLEMENT_digest_functions(sha512_256, SHA512_CTX,
92                            SHA512_CBLOCK, SHA256_DIGEST_LENGTH,
93                            EVP_MD_FLAG_DIGALGID_ABSENT,
94                            sha512_256_init, SHA512_Update, SHA512_Final)
95