1*b0d17251Schristos /*
2*b0d17251Schristos * Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
3*b0d17251Schristos *
4*b0d17251Schristos * Licensed under the Apache License 2.0 (the "License"). You may not use
5*b0d17251Schristos * this file except in compliance with the License. You can obtain a copy
6*b0d17251Schristos * in the file LICENSE in the source distribution or at
7*b0d17251Schristos * https://www.openssl.org/source/license.html
8*b0d17251Schristos */
9*b0d17251Schristos
10*b0d17251Schristos #include <openssl/err.h>
11*b0d17251Schristos #include <openssl/proverr.h>
12*b0d17251Schristos #include "prov/digestcommon.h"
13*b0d17251Schristos
ossl_digest_default_get_params(OSSL_PARAM params[],size_t blksz,size_t paramsz,unsigned long flags)14*b0d17251Schristos int ossl_digest_default_get_params(OSSL_PARAM params[], size_t blksz,
15*b0d17251Schristos size_t paramsz, unsigned long flags)
16*b0d17251Schristos {
17*b0d17251Schristos OSSL_PARAM *p = NULL;
18*b0d17251Schristos
19*b0d17251Schristos p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_BLOCK_SIZE);
20*b0d17251Schristos if (p != NULL && !OSSL_PARAM_set_size_t(p, blksz)) {
21*b0d17251Schristos ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
22*b0d17251Schristos return 0;
23*b0d17251Schristos }
24*b0d17251Schristos p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_SIZE);
25*b0d17251Schristos if (p != NULL && !OSSL_PARAM_set_size_t(p, paramsz)) {
26*b0d17251Schristos ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
27*b0d17251Schristos return 0;
28*b0d17251Schristos }
29*b0d17251Schristos p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_XOF);
30*b0d17251Schristos if (p != NULL
31*b0d17251Schristos && !OSSL_PARAM_set_int(p, (flags & PROV_DIGEST_FLAG_XOF) != 0)) {
32*b0d17251Schristos ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
33*b0d17251Schristos return 0;
34*b0d17251Schristos }
35*b0d17251Schristos p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_ALGID_ABSENT);
36*b0d17251Schristos if (p != NULL
37*b0d17251Schristos && !OSSL_PARAM_set_int(p, (flags & PROV_DIGEST_FLAG_ALGID_ABSENT) != 0)) {
38*b0d17251Schristos ERR_raise(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
39*b0d17251Schristos return 0;
40*b0d17251Schristos }
41*b0d17251Schristos return 1;
42*b0d17251Schristos }
43*b0d17251Schristos
44*b0d17251Schristos static const OSSL_PARAM digest_default_known_gettable_params[] = {
45*b0d17251Schristos OSSL_PARAM_size_t(OSSL_DIGEST_PARAM_BLOCK_SIZE, NULL),
46*b0d17251Schristos OSSL_PARAM_size_t(OSSL_DIGEST_PARAM_SIZE, NULL),
47*b0d17251Schristos OSSL_PARAM_int(OSSL_DIGEST_PARAM_XOF, NULL),
48*b0d17251Schristos OSSL_PARAM_int(OSSL_DIGEST_PARAM_ALGID_ABSENT, NULL),
49*b0d17251Schristos OSSL_PARAM_END
50*b0d17251Schristos };
ossl_digest_default_gettable_params(void * provctx)51*b0d17251Schristos const OSSL_PARAM *ossl_digest_default_gettable_params(void *provctx)
52*b0d17251Schristos {
53*b0d17251Schristos return digest_default_known_gettable_params;
54*b0d17251Schristos }
55