1 /* 2 * Copyright 2019-2022 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 #ifndef OSSL_CRYPTO_DSA_H 11 # define OSSL_CRYPTO_DSA_H 12 # pragma once 13 14 # include <openssl/core.h> 15 # include <openssl/dsa.h> 16 # include "internal/ffc.h" 17 18 #define DSA_PARAMGEN_TYPE_FIPS_186_4 0 /* Use FIPS186-4 standard */ 19 #define DSA_PARAMGEN_TYPE_FIPS_186_2 1 /* Use legacy FIPS186-2 standard */ 20 #define DSA_PARAMGEN_TYPE_FIPS_DEFAULT 2 21 22 DSA *ossl_dsa_new(OSSL_LIB_CTX *libctx); 23 void ossl_dsa_set0_libctx(DSA *d, OSSL_LIB_CTX *libctx); 24 25 int ossl_dsa_generate_ffc_parameters(DSA *dsa, int type, int pbits, int qbits, 26 BN_GENCB *cb); 27 28 int ossl_dsa_sign_int(int type, const unsigned char *dgst, int dlen, 29 unsigned char *sig, unsigned int *siglen, DSA *dsa); 30 31 FFC_PARAMS *ossl_dsa_get0_params(DSA *dsa); 32 int ossl_dsa_ffc_params_fromdata(DSA *dsa, const OSSL_PARAM params[]); 33 int ossl_dsa_key_fromdata(DSA *dsa, const OSSL_PARAM params[], 34 int include_private); 35 DSA *ossl_dsa_key_from_pkcs8(const PKCS8_PRIV_KEY_INFO *p8inf, 36 OSSL_LIB_CTX *libctx, const char *propq); 37 38 int ossl_dsa_generate_public_key(BN_CTX *ctx, const DSA *dsa, 39 const BIGNUM *priv_key, BIGNUM *pub_key); 40 int ossl_dsa_check_params(const DSA *dsa, int checktype, int *ret); 41 int ossl_dsa_check_pub_key(const DSA *dsa, const BIGNUM *pub_key, int *ret); 42 int ossl_dsa_check_pub_key_partial(const DSA *dsa, const BIGNUM *pub_key, 43 int *ret); 44 int ossl_dsa_check_priv_key(const DSA *dsa, const BIGNUM *priv_key, int *ret); 45 int ossl_dsa_check_pairwise(const DSA *dsa); 46 int ossl_dsa_is_foreign(const DSA *dsa); 47 DSA *ossl_dsa_dup(const DSA *dsa, int selection); 48 49 #endif 50