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 /* 19 * DSA Paramgen types 20 * Note, adding to this list requires adjustments to various checks 21 * in dsa_gen range validation checks 22 */ 23 #define DSA_PARAMGEN_TYPE_FIPS_186_4 0 /* Use FIPS186-4 standard */ 24 #define DSA_PARAMGEN_TYPE_FIPS_186_2 1 /* Use legacy FIPS186-2 standard */ 25 #define DSA_PARAMGEN_TYPE_FIPS_DEFAULT 2 26 27 DSA *ossl_dsa_new(OSSL_LIB_CTX *libctx); 28 void ossl_dsa_set0_libctx(DSA *d, OSSL_LIB_CTX *libctx); 29 30 int ossl_dsa_generate_ffc_parameters(DSA *dsa, int type, int pbits, int qbits, 31 BN_GENCB *cb); 32 33 int ossl_dsa_sign_int(int type, const unsigned char *dgst, int dlen, 34 unsigned char *sig, unsigned int *siglen, DSA *dsa, 35 unsigned int nonce_type, const char *digestname, 36 OSSL_LIB_CTX *libctx, const char *propq); 37 38 FFC_PARAMS *ossl_dsa_get0_params(DSA *dsa); 39 int ossl_dsa_ffc_params_fromdata(DSA *dsa, const OSSL_PARAM params[]); 40 int ossl_dsa_key_fromdata(DSA *dsa, const OSSL_PARAM params[], 41 int include_private); 42 DSA *ossl_dsa_key_from_pkcs8(const PKCS8_PRIV_KEY_INFO *p8inf, 43 OSSL_LIB_CTX *libctx, const char *propq); 44 45 int ossl_dsa_generate_public_key(BN_CTX *ctx, const DSA *dsa, 46 const BIGNUM *priv_key, BIGNUM *pub_key); 47 int ossl_dsa_check_params(const DSA *dsa, int checktype, int *ret); 48 int ossl_dsa_check_pub_key(const DSA *dsa, const BIGNUM *pub_key, int *ret); 49 int ossl_dsa_check_pub_key_partial(const DSA *dsa, const BIGNUM *pub_key, 50 int *ret); 51 int ossl_dsa_check_priv_key(const DSA *dsa, const BIGNUM *priv_key, int *ret); 52 int ossl_dsa_check_pairwise(const DSA *dsa); 53 int ossl_dsa_is_foreign(const DSA *dsa); 54 DSA *ossl_dsa_dup(const DSA *dsa, int selection); 55 56 #endif 57