Diffie-Hellman key exchange. More...

#include "ssh/ssh.h"
#include "ssh/ssh_algorithms.h"
#include "ssh/ssh_transport.h"
#include "ssh/ssh_kex.h"
#include "ssh/ssh_kex_dh.h"
#include "ssh/ssh_packet.h"
#include "ssh/ssh_key_material.h"
#include "ssh/ssh_exchange_hash.h"
#include "ssh/ssh_modp_groups.h"
#include "ssh/ssh_key_verify.h"
#include "ssh/ssh_cert_verify.h"
#include "ssh/ssh_misc.h"
#include "debug.h"

Macros
#define	TRACE_LEVEL SSH_TRACE_LEVEL

Functions
error_t	sshSendKexDhInit (SshConnection *connection)
	Send SSH_MSG_KEX_DH_INIT message. More...

error_t	sshSendKexDhReply (SshConnection *connection)
	Send SSH_MSG_KEX_DH_REPLY message. More...

error_t	sshFormatKexDhInit (SshConnection connection, uint8_t p, size_t *length)
	Format SSH_MSG_KEX_DH_INIT message. More...

error_t	sshFormatKexDhReply (SshConnection connection, uint8_t p, size_t *length)
	Format SSH_MSG_KEX_DH_REPLY message. More...

error_t	sshParseKexDhInit (SshConnection connection, const uint8_t message, size_t length)
	Parse SSH_MSG_KEX_DH_INIT message. More...

error_t	sshParseKexDhReply (SshConnection connection, const uint8_t message, size_t length)
	Parse SSH_MSG_KEX_DH_REPLY message. More...

error_t	sshParseKexDhMessage (SshConnection connection, uint8_t type, const uint8_t message, size_t length)
	Parse Diffie-Hellman specific messages. More...

error_t	sshComputeDhSharedSecret (SshConnection *connection)
	Diffie-Hellman shared secret calculation. More...

error_t	sshDigestClientDhPublicKey (SshConnection *connection)
	Update exchange hash with client's ephemeral public key. More...

Detailed Description

Diffie-Hellman key exchange.

License

SPDX-License-Identifier: GPL-2.0-or-later

This file is part of CycloneSSH Open.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

Author: Oryx Embedded SARL (www.oryx-embedded.com)

Version: 2.4.4

Definition in file ssh_kex_dh.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL SSH_TRACE_LEVEL

Definition at line 32 of file ssh_kex_dh.c.

Function Documentation

◆ sshComputeDhSharedSecret()

error_t sshComputeDhSharedSecret ( SshConnection * connection )

Diffie-Hellman shared secret calculation.

Parameters

[in] connection Pointer to the SSH connection

Returns: Error code

Definition at line 632 of file ssh_kex_dh.c.

◆ sshDigestClientDhPublicKey()

error_t sshDigestClientDhPublicKey ( SshConnection * connection )

Update exchange hash with client's ephemeral public key.

Parameters

[in] connection Pointer to the SSH connection

Returns: Error code

Definition at line 662 of file ssh_kex_dh.c.

◆ sshFormatKexDhInit()

error_t sshFormatKexDhInit	(	SshConnection *	connection,
		uint8_t *	p,
		size_t *	length
	)

Format SSH_MSG_KEX_DH_INIT message.

Parameters

[in]	connection	Pointer to the SSH connection
[out]	p	Buffer where to format the message
[out]	length	Length of the resulting message, in bytes

Returns: Error code

Definition at line 185 of file ssh_kex_dh.c.

◆ sshFormatKexDhReply()

error_t sshFormatKexDhReply	(	SshConnection *	connection,
		uint8_t *	p,
		size_t *	length
	)

Format SSH_MSG_KEX_DH_REPLY message.

Parameters

[in]	connection	Pointer to the SSH connection
[out]	p	Buffer where to format the message
[out]	length	Length of the resulting message, in bytes

Returns: Error code

Definition at line 228 of file ssh_kex_dh.c.

◆ sshParseKexDhInit()

error_t sshParseKexDhInit	(	SshConnection *	connection,
		const uint8_t *	message,
		size_t	length
	)

Parse SSH_MSG_KEX_DH_INIT message.

Parameters

[in]	connection	Pointer to the SSH connection
[in]	message	Pointer to message
[in]	length	Length of the message, in bytes

Returns: Error code

Definition at line 322 of file ssh_kex_dh.c.

◆ sshParseKexDhMessage()

error_t sshParseKexDhMessage	(	SshConnection *	connection,
		uint8_t	type,
		const uint8_t *	message,
		size_t	length
	)

Parse Diffie-Hellman specific messages.

Parameters

[in]	connection	Pointer to the SSH connection
[in]	type	SSH message type
[in]	message	Pointer to message
[in]	length	Length of the message, in bytes

Returns: Error code

Definition at line 574 of file ssh_kex_dh.c.

◆ sshParseKexDhReply()

error_t sshParseKexDhReply	(	SshConnection *	connection,
		const uint8_t *	message,
		size_t	length
	)

Parse SSH_MSG_KEX_DH_REPLY message.

Parameters

[in]	connection	Pointer to the SSH connection
[in]	message	Pointer to message
[in]	length	Length of the message, in bytes

Returns: Error code

Definition at line 410 of file ssh_kex_dh.c.

◆ sshSendKexDhInit()

error_t sshSendKexDhInit ( SshConnection * connection )

Send SSH_MSG_KEX_DH_INIT message.

Parameters

[in] connection Pointer to the SSH connection

Returns: Error code

Definition at line 59 of file ssh_kex_dh.c.

◆ sshSendKexDhReply()

error_t sshSendKexDhReply ( SshConnection * connection )

Send SSH_MSG_KEX_DH_REPLY message.

Parameters

[in] connection Pointer to the SSH connection

Returns: Error code

Definition at line 125 of file ssh_kex_dh.c.

Macros

Functions

Detailed Description

License

Macro Definition Documentation

◆ TRACE_LEVEL

Function Documentation

◆ sshComputeDhSharedSecret()

◆ sshDigestClientDhPublicKey()

◆ sshFormatKexDhInit()

◆ sshFormatKexDhReply()

◆ sshParseKexDhInit()

◆ sshParseKexDhMessage()

◆ sshParseKexDhReply()

◆ sshSendKexDhInit()

◆ sshSendKexDhReply()