/* * Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the Apache License 2.0 (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #ifndef OSSL_CRYPTO_DH_H # define OSSL_CRYPTO_DH_H # pragma once # include <openssl/core.h> # include <openssl/params.h> # include <openssl/dh.h> # include "internal/ffc.h" DH *ossl_dh_new_by_nid_ex(OSSL_LIB_CTX *libctx, int nid); DH *ossl_dh_new_ex(OSSL_LIB_CTX *libctx); void ossl_dh_set0_libctx(DH *d, OSSL_LIB_CTX *libctx); int ossl_dh_generate_ffc_parameters(DH *dh, int type, int pbits, int qbits, BN_GENCB *cb); int ossl_dh_generate_public_key(BN_CTX *ctx, const DH *dh, const BIGNUM *priv_key, BIGNUM *pub_key); int ossl_dh_get_named_group_uid_from_size(int pbits); const char *ossl_dh_gen_type_id2name(int id); int ossl_dh_gen_type_name2id(const char *name, int type); void ossl_dh_cache_named_group(DH *dh); int ossl_dh_is_named_safe_prime_group(const DH *dh); FFC_PARAMS *ossl_dh_get0_params(DH *dh); int ossl_dh_get0_nid(const DH *dh); int ossl_dh_params_fromdata(DH *dh, const OSSL_PARAM params[]); int ossl_dh_key_fromdata(DH *dh, const OSSL_PARAM params[]); int ossl_dh_params_todata(DH *dh, OSSL_PARAM_BLD *bld, OSSL_PARAM params[]); int ossl_dh_key_todata(DH *dh, OSSL_PARAM_BLD *bld, OSSL_PARAM params[]); DH *ossl_dh_key_from_pkcs8(const PKCS8_PRIV_KEY_INFO *p8inf, OSSL_LIB_CTX *libctx, const char *propq); int ossl_dh_compute_key(unsigned char *key, const BIGNUM *pub_key, DH *dh); int ossl_dh_check_pub_key_partial(const DH *dh, const BIGNUM *pub_key, int *ret); int ossl_dh_check_priv_key(const DH *dh, const BIGNUM *priv_key, int *ret); int ossl_dh_check_pairwise(const DH *dh); const DH_METHOD *ossl_dh_get_method(const DH *dh); int ossl_dh_buf2key(DH *key, const unsigned char *buf, size_t len); size_t ossl_dh_key2buf(const DH *dh, unsigned char **pbuf, size_t size, int alloc); int ossl_dh_kdf_X9_42_asn1(unsigned char *out, size_t outlen, const unsigned char *Z, size_t Zlen, const char *cek_alg, const unsigned char *ukm, size_t ukmlen, const EVP_MD *md, OSSL_LIB_CTX *libctx, const char *propq); int ossl_dh_is_foreign(const DH *dh); DH *ossl_dh_dup(const DH *dh, int selection); #endif /* OSSL_CRYPTO_DH_H */