ssh_key_verify.c File Reference

SSH host key verification. More...

#include "ssh/ssh.h"
#include "ssh/ssh_algorithms.h"
#include "ssh/ssh_key_import.h"
#include "ssh/ssh_key_parse.h"
#include "ssh/ssh_key_verify.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	sshVerifyHostKey (const uint8_t *hostKey, size_t hostKeyLen, const char_t *trustedKey, size_t trustedKeyLen)
	Check if a host key is trusted. More...
error_t	sshVerifyClientHostKey (SshConnection *connection, const SshString *publicKeyAlgo, const SshBinaryString *hostKey)
	Verify client's host key. More...
error_t	sshVerifyServerHostKey (SshConnection *connection, const SshString *publicKeyAlgo, const SshBinaryString *hostKey)
	Verify server's host key. More...

Detailed Description

SSH host key verification.

License

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

Copyright (C) 2019-2025 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

2.5.4

Definition in file ssh_key_verify.c.

Macro Definition Documentation

TRACE_LEVEL

#define TRACE_LEVEL   SSH_TRACE_LEVEL

Definition at line 32 of file ssh_key_verify.c.

Function Documentation

sshVerifyClientHostKey()

error_t sshVerifyClientHostKey	(	SshConnection *	connection,
		const SshString *	publicKeyAlgo,
		const SshBinaryString *	hostKey
	)

Verify client's host key.

Parameters

[in]	connection	Pointer to the SSH connection
[in]	publicKeyAlgo	Public key algorithm
[in]	hostKey	Client's host key

Returns

Error code

Definition at line 117 of file ssh_key_verify.c.

sshVerifyHostKey()

error_t sshVerifyHostKey	(	const uint8_t *	hostKey,
		size_t	hostKeyLen,
		const char_t *	trustedKey,
		size_t	trustedKeyLen
	)

Check if a host key is trusted.

Parameters

[in]	hostKey	Host key to be checked
[in]	hostKeyLen	Length of the host key, in bytes
[in]	trustedKey	Trusted host key (SSH2 or OpenSSH format)
[in]	trustedKeyLen	Length of the trusted host key

Returns

Error code

Definition at line 56 of file ssh_key_verify.c.

sshVerifyServerHostKey()

error_t sshVerifyServerHostKey	(	SshConnection *	connection,
		const SshString *	publicKeyAlgo,
		const SshBinaryString *	hostKey
	)

Verify server's host key.

Parameters

[in]	connection	Pointer to the SSH connection
[in]	publicKeyAlgo	Public key algorithm
[in]	hostKey	Server's host key

Returns

Error code

Definition at line 172 of file ssh_key_verify.c.