include/crypto/dh.h

   1 /*
   2  * Copyright 2020 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/core.h>
  11 #include <openssl/dh.h>
  12 #include "internal/ffc.h"
  13
  14 DH *dh_new_by_nid_with_libctx(OPENSSL_CTX *libctx, int nid);
  15 DH *dh_new_with_libctx(OPENSSL_CTX *libctx);
  16
  17 int dh_generate_ffc_parameters(DH *dh, int type, int pbits,
  18                                int qbits, EVP_MD *md, BN_GENCB *cb);
  19 int dh_generate_public_key(BN_CTX *ctx, DH *dh, const BIGNUM *priv_key,
  20                            BIGNUM *pub_key);
  21 int dh_get_named_group_uid_from_size(int pbits);
  22 const char *dh_gen_type_id2name(int id);
  23 void dh_cache_named_group(DH *dh);
  24
  25 FFC_PARAMS *dh_get0_params(DH *dh);
  26 int dh_get0_nid(const DH *dh);
  27 int dh_ffc_params_fromdata(DH *dh, const OSSL_PARAM params[]);
  28 int dh_key_fromdata(DH *dh, const OSSL_PARAM params[]);
  29
  30 int dh_check_pub_key_partial(const DH *dh, const BIGNUM *pub_key, int *ret);
  31 int dh_check_priv_key(const DH *dh, const BIGNUM *priv_key, int *ret);
  32 int dh_check_pairwise(DH *dh);
  33
  34 const DH_METHOD *dh_get_method(const DH *dh);