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 #include <openssl/err.h>
11 #include <openssl/proverr.h>
12 #include "prov/digestcommon.h"
13
ossl_digest_default_get_params(OSSL_PARAM params[],size_t blksz,size_t paramsz,unsigned long flags)14 int ossl_digest_default_get_params(OSSL_PARAM params[], size_t blksz,
15 size_t paramsz, unsigned long flags)
16 {
17 OSSL_PARAM *p = NULL;
18
19 p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_BLOCK_SIZE);
20 if (p != NULL && !OSSL_PARAM_set_size_t(p, blksz)) {
21 ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
22 return 0;
23 }
24 p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_SIZE);
25 if (p != NULL && !OSSL_PARAM_set_size_t(p, paramsz)) {
26 ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
27 return 0;
28 }
29 p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_XOF);
30 if (p != NULL
31 && !OSSL_PARAM_set_int(p, (flags & PROV_DIGEST_FLAG_XOF) != 0)) {
32 ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
33 return 0;
34 }
35 p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_ALGID_ABSENT);
36 if (p != NULL
37 && !OSSL_PARAM_set_int(p, (flags & PROV_DIGEST_FLAG_ALGID_ABSENT) != 0)) {
38 ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
39 return 0;
40 }
41 return 1;
42 }
43
44 static const OSSL_PARAM digest_default_known_gettable_params[] = {
45 OSSL_PARAM_size_t(OSSL_DIGEST_PARAM_BLOCK_SIZE, NULL),
46 OSSL_PARAM_size_t(OSSL_DIGEST_PARAM_SIZE, NULL),
47 OSSL_PARAM_int(OSSL_DIGEST_PARAM_XOF, NULL),
48 OSSL_PARAM_int(OSSL_DIGEST_PARAM_ALGID_ABSENT, NULL),
49 OSSL_PARAM_END
50 };
ossl_digest_default_gettable_params(void * provctx)51 const OSSL_PARAM *ossl_digest_default_gettable_params(void *provctx)
52 {
53 return digest_default_known_gettable_params;
54 }
55