PHP code example of codeaken / sshkey

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

codeaken / sshkey example snippets

// Read in the public and private keys
$publicKey = SshPublicKey::fromFile('id_rsa.pub');
$privateKey = SshPrivateKey::fromFile('id_rsa');
$encryptedPrivateKey = SshPrivateKey::fromFile('id_encrypted_rsa', 'abc123');

// Try to read a key that does not exists; will throw a FileNotFoundException
try {
    $missingKey = SshPublicKey::fromFile('nosuchkey.pub');
}
catch (Codeaken\SshKey\Exception\FileNotFoundException $e)
{
    echo 'Could not find the key';
}

// Try to read an encrypted private key using the wrong password; will throw a
// LoadKeyException
try {
    $encryptedKey = SshPrivateKey::fromFile('id_encrypted_rsa', 'wrongpass');
}
catch (Codeaken\SshKey\Exception\LoadKeyException $e)
{
    echo 'Could not decrypt the private key';
}

// In this case we will read the key data from a file for simplicity but it
// could come from a database or some other source

$publicKeyData = file_get_contents('id_rsa.pub');
$publicKey = new SshPublicKey($publicKeyData);

$encryptedPrivateKeyData = file_get_contents('id_encrypted_rsa');
$privateKey = new SshPrivateKey($encryptedPrivateKeyData, 'abc123');

$publicKey = SshPublicKey::fromFile('id_rsa.pub');

echo $publicKey->getFingerprint();
echo $publicKey->getComment();

// 1024 bits and no passphrase
$keyPair1 = SshKeyPair::generate(1024);

// 2048 bits and a passphrase of abc123
$keyPair2 = SshKeyPair::generate(2048, 'abc123');

echo $keyPair2->getPrivateKey()->getKeyData(SshKey::FORMAT_PKCS8);
echo $keyPair2->getPublicKey()->getKeyData(SshKey::FORMAT_OPENSSH);

$keyPair = SshKeyPair::generate();

$publicKey  = $keyPair->getPublicKey();
$privateKey = $keyPair->getPrivateKey();

file_put_contents('id_new_rsa.pub', $publicKey->getKeyData(SshKey::FORMAT_OPENSSH));
file_put_contents('id_new_rsa', $privateKey->getKeyData(SshKey::FORMAT_PKCS8));