Php/docs/function.ssh2-fingerprint
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ssh2_fingerprint
(PECL ssh2 >= 0.9.0)
ssh2_fingerprint — Retrieve fingerprint of remote server
说明
ssh2_fingerprint
( resource $session
[, int $flags
= SSH2_FINGERPRINT_MD5 | SSH2_FINGERPRINT_HEX
] ) : string
Returns a server hostkey hash from an active session.
参数
session
- An SSH connection link identifier, obtained from a call to ssh2_connect().
flags
flags
may be either ofSSH2_FINGERPRINT_MD5
orSSH2_FINGERPRINT_SHA1
logically ORed withSSH2_FINGERPRINT_HEX
orSSH2_FINGERPRINT_RAW
.
返回值
Returns the hostkey hash as a string.
范例
Example #1 Checking the fingerprint against a known value
<?php$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?");}?>