PHP Dokumentation: Function ssh2-fingerprint
12. Januar 2010 von werner
ssh2_fingerprint
(PECL ssh2 >= 0.9.0)
ssh2_fingerprint — Retrieve fingerprint of remote server
Beschreibung
string ssh2_fingerprint ( resource $session [, int $flags = SSH2_FINGERPRINT_MD5 | SSH2_FINGERPRINT_HEX ] )
Returns a server hostkey hash from an active session.
Parameter-Liste
- session
An SSH connection link identifier, obtained from a call to ssh2_connect().
- flags
flags may be either of SSH2_FINGERPRINT_MD5 or SSH2_FINGERPRINT_SHA1 logically ORed with SSH2_FINGERPRINT_HEX or SSH2_FINGERPRINT_RAW.
Rückgabewerte
Returns the hostkey hash as a string.
Beispiele
Beispiel #1 Checking the fingerprint against a known value
<?php
$known_host = '6F89C2F0A719B30CC38ABDF90755F2E4';$connection = ssh2_connect('shell.example.com', 22);$fingerprint = ssh2_fingerprint($connection,
SSH2_FINGERPRINT_MD5 | SSH2_FINGERPRINT_HEX);if (
$fingerprint != $known_host) {
die("HOSTKEY MISMATCH!\n" .
"Possible Man-In-The-Middle Attack?");
}
?>