ssh_kex.c File Reference

SSH key exchange. More...

#include "ssh/ssh.h"
#include "ssh/ssh_algorithms.h"
#include "ssh/ssh_kex.h"
#include "ssh/ssh_kex_rsa.h"
#include "ssh/ssh_kex_dh.h"
#include "ssh/ssh_kex_dh_gex.h"
#include "ssh/ssh_kex_ecdh.h"
#include "ssh/ssh_kex_hybrid.h"
#include "ssh/ssh_packet.h"
#include "ssh/ssh_key_material.h"
#include "ssh/ssh_exchange_hash.h"
#include "ssh/ssh_misc.h"
#include "debug.h"

Go to the source code of this file.

Macros
#define	TRACE_LEVEL   SSH_TRACE_LEVEL

Functions
error_t	sshSendKexInit (SshConnection *connection)
	Send SSH_MSG_KEXINIT message. More...
error_t	sshSendNewKeys (SshConnection *connection)
	Send SSH_MSG_NEWKEYS message. More...
error_t	sshFormatKexInit (SshConnection *connection, uint8_t *p, size_t *length)
	Format SSH_MSG_KEXINIT message. More...
error_t	sshFormatNewKeys (SshConnection *connection, uint8_t *p, size_t *length)
	Format SSH_MSG_NEWKEYS message. More...
error_t	sshParseKexInit (SshConnection *connection, const uint8_t *message, size_t length)
	Parse SSH_MSG_KEXINIT message. More...
error_t	sshParseNewKeys (SshConnection *connection, const uint8_t *message, size_t length)
	Parse SSH_MSG_NEWKEYS message. More...
error_t	sshParseKexMessage (SshConnection *connection, uint8_t type, const uint8_t *message, size_t length)
	Parse key exchange method-specific messages. More...
error_t	sshDigestClientKexInit (SshConnection *connection)
	Update exchange hash with client's SSH_MSG_KEXINIT message. More...

Detailed Description

SSH key exchange.

License

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

Copyright (C) 2019-2024 Oryx Embedded SARL. All rights reserved.

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.c.

Macro Definition Documentation

TRACE_LEVEL

#define TRACE_LEVEL   SSH_TRACE_LEVEL

Definition at line 32 of file ssh_kex.c.

Function Documentation

sshDigestClientKexInit()

error_t sshDigestClientKexInit

(

SshConnection *

connection

)

Update exchange hash with client's SSH_MSG_KEXINIT message.

Parameters

[in]

connection

Pointer to the SSH connection

Returns

Error code

Definition at line 1179 of file ssh_kex.c.

sshFormatKexInit()

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

Format SSH_MSG_KEXINIT 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 298 of file ssh_kex.c.

sshFormatNewKeys()

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

Format SSH_MSG_NEWKEYS 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 447 of file ssh_kex.c.

sshParseKexInit()

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

Parse SSH_MSG_KEXINIT 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 469 of file ssh_kex.c.

sshParseKexMessage()

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

Parse key exchange method-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 1095 of file ssh_kex.c.

sshParseNewKeys()

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

Parse SSH_MSG_NEWKEYS 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 995 of file ssh_kex.c.

sshSendKexInit()

error_t sshSendKexInit

(

SshConnection *

connection

)

Send SSH_MSG_KEXINIT message.

Parameters

[in]

connection

Pointer to the SSH connection

Returns

Error code

Definition at line 59 of file ssh_kex.c.

sshSendNewKeys()

error_t sshSendNewKeys

(

SshConnection *

connection

)

Send SSH_MSG_NEWKEYS message.

Parameters

[in]

connection

Pointer to the SSH connection

Returns

Error code

Definition at line 194 of file ssh_kex.c.