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/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#define SHA2_FLAGS PROV_DIGEST_FLAG_ALGID_ABSENT
28
29static OSSL_FUNC_digest_set_ctx_params_fn sha1_set_ctx_params;
30static OSSL_FUNC_digest_settable_ctx_params_fn sha1_settable_ctx_params;
31
32static const OSSL_PARAM known_sha1_settable_ctx_params[] = {
33    {OSSL_DIGEST_PARAM_SSL3_MS, OSSL_PARAM_OCTET_STRING, NULL, 0, 0},
34    OSSL_PARAM_END
35};
36static const OSSL_PARAM *sha1_settable_ctx_params(ossl_unused void *ctx,
37                                                  ossl_unused void *provctx)
38{
39    return known_sha1_settable_ctx_params;
40}
41
42/* Special set_params method for SSL3 */
43static int sha1_set_ctx_params(void *vctx, const OSSL_PARAM params[])
44{
45    const OSSL_PARAM *p;
46    SHA_CTX *ctx = (SHA_CTX *)vctx;
47
48    if (ctx == NULL)
49        return 0;
50    if (params == NULL)
51        return 1;
52
53    p = OSSL_PARAM_locate_const(params, OSSL_DIGEST_PARAM_SSL3_MS);
54    if (p != NULL && p->data_type == OSSL_PARAM_OCTET_STRING)
55        return ossl_sha1_ctrl(ctx, EVP_CTRL_SSL3_MASTER_SECRET,
56                              p->data_size, p->data);
57    return 1;
58}
59
60/* ossl_sha1_functions */
61IMPLEMENT_digest_functions_with_settable_ctx(
62    sha1, SHA_CTX, SHA_CBLOCK, SHA_DIGEST_LENGTH, SHA2_FLAGS,
63    SHA1_Init, SHA1_Update, SHA1_Final,
64    sha1_settable_ctx_params, sha1_set_ctx_params)
65
66/* ossl_sha224_functions */
67IMPLEMENT_digest_functions(sha224, SHA256_CTX,
68                           SHA256_CBLOCK, SHA224_DIGEST_LENGTH, SHA2_FLAGS,
69                           SHA224_Init, SHA224_Update, SHA224_Final)
70
71/* ossl_sha256_functions */
72IMPLEMENT_digest_functions(sha256, SHA256_CTX,
73                           SHA256_CBLOCK, SHA256_DIGEST_LENGTH, SHA2_FLAGS,
74                           SHA256_Init, SHA256_Update, SHA256_Final)
75
76/* ossl_sha384_functions */
77IMPLEMENT_digest_functions(sha384, SHA512_CTX,
78                           SHA512_CBLOCK, SHA384_DIGEST_LENGTH, SHA2_FLAGS,
79                           SHA384_Init, SHA384_Update, SHA384_Final)
80
81/* ossl_sha512_functions */
82IMPLEMENT_digest_functions(sha512, SHA512_CTX,
83                           SHA512_CBLOCK, SHA512_DIGEST_LENGTH, SHA2_FLAGS,
84                           SHA512_Init, SHA512_Update, SHA512_Final)
85
86/* ossl_sha512_224_functions */
87IMPLEMENT_digest_functions(sha512_224, SHA512_CTX,
88                           SHA512_CBLOCK, SHA224_DIGEST_LENGTH, SHA2_FLAGS,
89                           sha512_224_init, SHA512_Update,
90                           /* XXX NetBSD libc sha2 */sha512_224_final)
91
92/* ossl_sha512_256_functions */
93IMPLEMENT_digest_functions(sha512_256, SHA512_CTX,
94                           SHA512_CBLOCK, SHA256_DIGEST_LENGTH, SHA2_FLAGS,
95                           sha512_256_init, SHA512_Update,
96                           /* XXX NetBSD libc sha2 */sha512_256_final)
97
98