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 <openssl/x509.h>
  17 # include "internal/ffc.h"
  18
  19 #define DSA_PARAMGEN_TYPE_FIPS_186_4   0   /* Use FIPS186-4 standard */
  20 #define DSA_PARAMGEN_TYPE_FIPS_186_2   1   /* Use legacy FIPS186-2 standard */
  21 #define DSA_PARAMGEN_TYPE_FIPS_DEFAULT 2
  22
  23 DSA *ossl_dsa_new(OSSL_LIB_CTX *libctx);
  24 void ossl_dsa_set0_libctx(DSA *d, OSSL_LIB_CTX *libctx);
  25
  26 int ossl_dsa_generate_ffc_parameters(DSA *dsa, int type, int pbits, int qbits,
  27                                      BN_GENCB *cb);
  28
  29 int ossl_dsa_sign_int(int type, const unsigned char *dgst, int dlen,
  30                       unsigned char *sig, unsigned int *siglen, DSA *dsa);
  31
  32 FFC_PARAMS *ossl_dsa_get0_params(DSA *dsa);
  33 int ossl_dsa_ffc_params_fromdata(DSA *dsa, const OSSL_PARAM params[]);
  34 int ossl_dsa_key_fromdata(DSA *dsa, const OSSL_PARAM params[]);
  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
  47 #endif