blob: cce9b3dcd1da86cb79a532adbc5cf8276f388f72 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
<?php
class SSHKey
{
public static function getPrivateKey(&$regen = false) {
$privKey = Property::get("rebootcontrol-private-key");
if (!$privKey) {
$rsaKey = openssl_pkey_new(array(
'private_key_bits' => 2048,
'private_key_type' => OPENSSL_KEYTYPE_RSA));
openssl_pkey_export( openssl_pkey_get_private($rsaKey), $privKey);
Property::set("rebootcontrol-private-key", $privKey);
if (Module::isAvailable('sysconfig')) {
ConfigTgz::rebuildAllConfigs();
}
$regen = true;
}
return $privKey;
}
public static function getPublicKey() {
$pkImport = openssl_pkey_get_private(self::getPrivateKey());
return self::sshEncodePublicKey($pkImport);
}
private static function sshEncodePublicKey($privKey) {
$keyInfo = openssl_pkey_get_details($privKey);
$buffer = pack("N", 7) . "ssh-rsa" .
self::sshEncodeBuffer($keyInfo['rsa']['e']) .
self::sshEncodeBuffer($keyInfo['rsa']['n']);
return "ssh-rsa " . base64_encode($buffer);
}
private static function sshEncodeBuffer($buffer) {
$len = strlen($buffer);
if (ord($buffer[0]) & 0x80) {
$len++;
$buffer = "\x00" . $buffer;
}
return pack("Na*", $len, $buffer);
}
}
|
