include/crypto/dsa.h

   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 #ifndef OSSL_CRYPTO_DSAERR_H
  11 # define OSSL_CRYPTO_DSAERR_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
  21 DSA *dsa_new_with_ctx(OSSL_LIB_CTX *libctx);
  22 void ossl_dsa_set0_libctx(DSA *d, OSSL_LIB_CTX *libctx);
  23
  24 int dsa_generate_ffc_parameters(DSA *dsa, int type, int pbits, int qbits,
  25                                 BN_GENCB *cb);
  26
  27 int dsa_sign_int(int type, const unsigned char *dgst,
  28                  int dlen, unsigned char *sig, unsigned int *siglen, DSA *dsa);
  29
  30 FFC_PARAMS *dsa_get0_params(DSA *dsa);
  31 int dsa_ffc_params_fromdata(DSA *dsa, const OSSL_PARAM params[]);
  32 int dsa_key_fromdata(DSA *dsa, const OSSL_PARAM params[]);
  33
  34 int dsa_generate_public_key(BN_CTX *ctx, const DSA *dsa, const BIGNUM *priv_key,
  35                             BIGNUM *pub_key);
  36 int dsa_check_params(const DSA *dsa, int checktype, int *ret);
  37 int dsa_check_pub_key(const DSA *dsa, const BIGNUM *pub_key, int *ret);
  38 int dsa_check_pub_key_partial(const DSA *dsa, const BIGNUM *pub_key, int *ret);
  39 int dsa_check_priv_key(const DSA *dsa, const BIGNUM *priv_key, int *ret);
  40 int dsa_check_pairwise(const DSA *dsa);
  41
  42 #endif