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 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 }; 51 const OSSL_PARAM *ossl_digest_default_gettable_params(void *provctx) 52 { 53 return digest_default_known_gettable_params; 54 } 55