dh.h
/*
* This file is part of the SSH Library
*
* Copyright (c) 2009 by Aris Adamantiadis
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef DH_H_
#define DH_H_
#include "config.h"
#include "libssh/crypto.h"
struct dh_ctx;
#define DH_CLIENT_KEYPAIR 0
#define DH_SERVER_KEYPAIR 1
/* functions implemented by crypto backends */
int ssh_dh_init_common(struct ssh_crypto_struct *crypto);
void ssh_dh_cleanup(struct ssh_crypto_struct *crypto);
int ssh_dh_get_parameters(struct dh_ctx *ctx,
const_bignum *modulus, const_bignum *generator);
int ssh_dh_set_parameters(struct dh_ctx *ctx,
const bignum modulus, const bignum generator);
int ssh_dh_keypair_gen_keys(struct dh_ctx *ctx, int peer);
int ssh_dh_keypair_get_keys(struct dh_ctx *ctx, int peer,
const_bignum *priv, const_bignum *pub);
int ssh_dh_keypair_set_keys(struct dh_ctx *ctx, int peer,
const bignum priv, const bignum pub);
int ssh_dh_compute_shared_secret(struct dh_ctx *ctx, int local, int remote,
bignum *dest);
void ssh_dh_debug_crypto(struct ssh_crypto_struct *c);
/* common functions */
int ssh_dh_init(void);
void ssh_dh_finalize(void);
int ssh_dh_import_next_pubkey_blob(ssh_session session,
ssh_string pubkey_blob);
ssh_key ssh_dh_get_current_server_publickey(ssh_session session);
int ssh_dh_get_current_server_publickey_blob(ssh_session session,
ssh_string *pubkey_blob);
ssh_key ssh_dh_get_next_server_publickey(ssh_session session);
int ssh_dh_get_next_server_publickey_blob(ssh_session session,
ssh_string *pubkey_blob);
int dh_handshake(ssh_session session);
int ssh_client_dh_init(ssh_session session);
void ssh_client_dh_remove_callbacks(ssh_session session);
#ifdef WITH_SERVER
void ssh_server_dh_init(ssh_session session);
#endif /* WITH_SERVER */
int ssh_server_dh_process_init(ssh_session session, ssh_buffer packet);
int ssh_fallback_group(uint32_t pmax, bignum *p, bignum *g);
bool ssh_dh_is_known_group(bignum modulus, bignum generator);
#endif /* DH_H_ */
dh_ctx
Definition: dh_crypto.c:40
ssh_buffer_struct
Definition: buffer.c:47
ssh_crypto_struct
Definition: crypto.h:106
ssh_key_struct
Definition: pki.h:50
ssh_session_struct
Definition: session.h:120
ssh_string_struct
Definition: string.h:29