(PHP Extension) Load a PuTTY Public Key

Demonstrates how to load a PuTTY public key.

Chilkat PHP Downloads PHP Extension for Windows, Linux, MacOS, Alpine Linux, Solaris

<?php

// The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number.
// For example, if using Chilkat v9.5.0.48, then include as shown here:
include("chilkat_9_5_0.php");

// Load a PuTTY public key.
$puttyKey = new CkSshKey();
$pubKeyText = $puttyKey->loadText('qa_data/ppk/putty_public.pem');

// The pubKeyText contains this content:

// 	---- BEGIN SSH2 PUBLIC KEY ----
// 	Comment: "rsa-key-20170126"
// 	AAAAB3NzaC1yc2EAAAABJQAAAQEAx+52s7vvaZ8rT2UdFZWlSUVDHDQ+5ZRFvgRW
// 	6nm2sO1c9WqNg7u2PQL4jeKSDX2XWcMnpleALz2x8Rr4rMy5E1iZzvWov8VtFd8l
// 	fa9HOkgEeJB3VFuYR3NlnD3eyCoYJYPVpHJHrIeui2WZs5vQ76HDe+th8+z5Ald4
// 	zPw3p2c6ZJpBrkSBM67hWokoBDi23c7NhszDHhJBrv+B98cQxnagI1PUKqN7E8Vg
// 	bNtBI8beIMHyI69up9G1AXSEi0cGIjYNx9RNUPau1mRk/SvfqxgWkAjM005lj7hc
// 	bOsjbdKK3T2NtrKTaYjEiXlEXcj1iGuApsD/m73pYaEJB3Nd7w==
// 	---- END SSH2 PUBLIC KEY ----

$success = $puttyKey->FromRfc4716PublicKey($pubKeyText);
if ($success != true) {
    print $puttyKey->lastErrorText() . "\n";
    exit;
}

// If desired, convert to other public key formats:
$openSshPubKeyStr = $puttyKey->toOpenSshPublicKey();
print $openSshPubKeyStr . "\n";

// openSshPubKeyStr contains:
// ssh-rsa AAAAB3NzaC1yc2EAAAABJQAAAQEAx+52s7vvaZ8rT2UdFZWlSUVDHDQ+5ZRFvgRW6nm2sO1c9WqNg7u2PQL4jeKSDX2XWcMnpleALz2x8Rr4rMy5E1iZzvWov8VtFd8lfa9HOkgEeJB3VFuYR3NlnD3eyCoYJYPVpHJHrIeui2WZs5vQ76HDe+th8+z5Ald4zPw3p2c6ZJpBrkSBM67hWokoBDi23c7NhszDHhJBrv+B98cQxnagI1PUKqN7E8VgbNtBI8beIMHyI69up9G1AXSEi0cGIjYNx9RNUPau1mRk/SvfqxgWkAjM005lj7hcbOsjbdKK3T2NtrKTaYjEiXlEXcj1iGuApsD/m73pYaEJB3Nd7w== rsa-key-20170126

// Convert to an XML format:
$xmlPubKeyStr = $puttyKey->toXml();
print $xmlPubKeyStr . "\n";

// xmlPubKeyStr contains:
// <RSAPublicKey>
//     <Modulus>x+52s7vvaZ8rT2UdFZWlSUVDHDQ+5ZRFvgRW6nm2sO1c9WqNg7u2PQL4jeKSDX2XWcMnpleALz2x8Rr4rMy5E1iZzvWov8VtFd8lfa9HOkgEeJB3VFuYR3NlnD3eyCoYJYPVpHJHrIeui2WZs5vQ76HDe+th8+z5Ald4zPw3p2c6ZJpBrkSBM67hWokoBDi23c7NhszDHhJBrv+B98cQxnagI1PUKqN7E8VgbNtBI8beIMHyI69up9G1AXSEi0cGIjYNx9RNUPau1mRk/SvfqxgWkAjM005lj7hcbOsjbdKK3T2NtrKTaYjEiXlEXcj1iGuApsD/m73pYaEJB3Nd7w==</Modulus>
//     <Exponent>JQ==</Exponent>
// </RSAPublicKey>
// 
// 

?>