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 * 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_dispatch.h>
18 #include <openssl/evp.h>
19 #include <openssl/sha.h>
20 #include <openssl/params.h>
21 #include <openssl/core_names.h>
22 #include "prov/digestcommon.h"
23 #include "prov/implementations.h"
24 #include "crypto/sha.h"
25
26 #define SHA2_FLAGS PROV_DIGEST_FLAG_ALGID_ABSENT
27
28 static OSSL_FUNC_digest_set_ctx_params_fn sha1_set_ctx_params;
29 static OSSL_FUNC_digest_settable_ctx_params_fn sha1_settable_ctx_params;
30
31 static const OSSL_PARAM known_sha1_settable_ctx_params[] = {
32 {OSSL_DIGEST_PARAM_SSL3_MS, OSSL_PARAM_OCTET_STRING, NULL, 0, 0},
33 OSSL_PARAM_END
34 };
sha1_settable_ctx_params(ossl_unused void * ctx,ossl_unused void * provctx)35 static const OSSL_PARAM *sha1_settable_ctx_params(ossl_unused void *ctx,
36 ossl_unused void *provctx)
37 {
38 return known_sha1_settable_ctx_params;
39 }
40
41 /* Special set_params method for SSL3 */
sha1_set_ctx_params(void * vctx,const OSSL_PARAM params[])42 static int sha1_set_ctx_params(void *vctx, const OSSL_PARAM params[])
43 {
44 const OSSL_PARAM *p;
45 SHA_CTX *ctx = (SHA_CTX *)vctx;
46
47 if (ctx == NULL)
48 return 0;
49 if (params == NULL)
50 return 1;
51
52 p = OSSL_PARAM_locate_const(params, OSSL_DIGEST_PARAM_SSL3_MS);
53 if (p != NULL && p->data_type == OSSL_PARAM_OCTET_STRING)
54 return ossl_sha1_ctrl(ctx, EVP_CTRL_SSL3_MASTER_SECRET,
55 p->data_size, p->data);
56 return 1;
57 }
58
59 /* ossl_sha1_functions */
60 IMPLEMENT_digest_functions_with_settable_ctx(
61 sha1, SHA_CTX, SHA_CBLOCK, SHA_DIGEST_LENGTH, SHA2_FLAGS,
62 SHA1_Init, SHA1_Update, SHA1_Final,
63 sha1_settable_ctx_params, sha1_set_ctx_params)
64
65 /* ossl_sha224_functions */
66 IMPLEMENT_digest_functions(sha224, SHA256_CTX,
67 SHA256_CBLOCK, SHA224_DIGEST_LENGTH, SHA2_FLAGS,
68 SHA224_Init, SHA224_Update, SHA224_Final)
69
70 /* ossl_sha256_functions */
71 IMPLEMENT_digest_functions(sha256, SHA256_CTX,
72 SHA256_CBLOCK, SHA256_DIGEST_LENGTH, SHA2_FLAGS,
73 SHA256_Init, SHA256_Update, SHA256_Final)
74
75 /* ossl_sha384_functions */
76 IMPLEMENT_digest_functions(sha384, SHA512_CTX,
77 SHA512_CBLOCK, SHA384_DIGEST_LENGTH, SHA2_FLAGS,
78 SHA384_Init, SHA384_Update, SHA384_Final)
79
80 /* ossl_sha512_functions */
81 IMPLEMENT_digest_functions(sha512, SHA512_CTX,
82 SHA512_CBLOCK, SHA512_DIGEST_LENGTH, SHA2_FLAGS,
83 SHA512_Init, SHA512_Update, SHA512_Final)
84
85 /* ossl_sha512_224_functions */
86 IMPLEMENT_digest_functions(sha512_224, SHA512_CTX,
87 SHA512_CBLOCK, SHA224_DIGEST_LENGTH, SHA2_FLAGS,
88 sha512_224_init, SHA512_Update, SHA512_Final)
89
90 /* ossl_sha512_256_functions */
91 IMPLEMENT_digest_functions(sha512_256, SHA512_CTX,
92 SHA512_CBLOCK, SHA256_DIGEST_LENGTH, SHA2_FLAGS,
93 sha512_256_init, SHA512_Update, SHA512_Final)
94
