.htaccess
9 months ago
Fingerprint.php
9 months ago
PasswordProtected.php
9 months ago
index.html
9 months ago
web.config
9 months ago
Fingerprint.php
59 lines
| 1 | <?php |
| 2 | |
| 3 | /** |
| 4 | * Fingerprint Trait for Public Keys |
| 5 | * |
| 6 | * PHP version 5 |
| 7 | * |
| 8 | * @author Jim Wigginton <terrafrost@php.net> |
| 9 | * @copyright 2015 Jim Wigginton |
| 10 | * @license http://www.opensource.org/licenses/mit-license.html MIT License |
| 11 | * @link http://phpseclib.sourceforge.net |
| 12 | */ |
| 13 | |
| 14 | declare(strict_types=1); |
| 15 | |
| 16 | namespace phpseclib3\Crypt\Common\Traits; |
| 17 | |
| 18 | use phpseclib3\Crypt\Hash; |
| 19 | |
| 20 | /** |
| 21 | * Fingerprint Trait for Private Keys |
| 22 | * |
| 23 | * @author Jim Wigginton <terrafrost@php.net> |
| 24 | */ |
| 25 | trait Fingerprint |
| 26 | { |
| 27 | /** |
| 28 | * Returns the public key's fingerprint |
| 29 | * |
| 30 | * The public key's fingerprint is returned, which is equivalent to running `ssh-keygen -lf rsa.pub`. If there is |
| 31 | * no public key currently loaded, false is returned. |
| 32 | * Example output (md5): "c1:b1:30:29:d7:b8:de:6c:97:77:10:d7:46:41:63:87" (as specified by RFC 4716) |
| 33 | * |
| 34 | * @param string $algorithm The hashing algorithm to be used. Valid options are 'md5' and 'sha256'. False is returned |
| 35 | * for invalid values. |
| 36 | */ |
| 37 | public function getFingerprint($algorithm = 'md5') |
| 38 | { |
| 39 | $type = self::validatePlugin('Keys', 'OpenSSH', 'savePublicKey'); |
| 40 | if ($type === false) { |
| 41 | return false; |
| 42 | } |
| 43 | $key = $this->toString('OpenSSH', ['binary' => true]); |
| 44 | if ($key === false) { |
| 45 | return false; |
| 46 | } |
| 47 | switch ($algorithm) { |
| 48 | case 'sha256': |
| 49 | $hash = new Hash('sha256'); |
| 50 | $base = base64_encode($hash->hash($key)); |
| 51 | return substr($base, 0, strlen($base) - 1); |
| 52 | case 'md5': |
| 53 | return substr(chunk_split(md5($key), 2, ':'), 0, -1); |
| 54 | default: |
| 55 | return false; |
| 56 | } |
| 57 | } |
| 58 | } |
| 59 |