* Entity/Usuario.php
* */
class Usuario
{
public $id;
public $nombre;
public $apellido;
public $email;
public $twitter;
}
/**
* Controller/DefaultController.php
* */
require_once 'lib/Sinner/Phpseclib/Crypt/TripleDES.php';
use Sinner\Phpseclib\Crypt\Crypt_TripleDES as TripleDES;
//...
$usuario_obj = new Usuario();
$usuario_obj->id = 1;
$usuario_obj->nombre = 'José Gabriel';
$usuario_obj->apellido = 'González Pérez';
$usuario_obj->email = '*****@*****.**';
$usuario_obj->twitter = '@JGabrielTupac';
const KEY_ENCRYPT = '548c286a61462d896573567b7a30335d4959427e5c7a675e325b6c7a7c';
$_KEY_ENCRYPT = KEY_ENCRYPT;
$encrypter = new TripleDES();
$encrypter->setKey($_KEY_ENCRYPT);
$usuario_obj_encrypt = $encrypter->encrypt(serialize($usuario_obj));
$usuario = unserialize($encrypter->decrypt($usuario_obj_encrypt));
var_dump($usuario_obj_encrypt);
var_dump($usuario);
//...
/**
* Convert a private key to the appropriate format.
*
* @access private
* @see setPrivateKeyFormat()
* @param String $RSAPrivateKey
* @return String
*/
function _convertPrivateKey($n, $e, $d, $primes, $exponents, $coefficients)
{
$num_primes = count($primes);
$raw = array('version' => $num_primes == 2 ? chr(0) : chr(1), 'modulus' => $n->toBytes(true), 'publicExponent' => $e->toBytes(true), 'privateExponent' => $d->toBytes(true), 'prime1' => $primes[1]->toBytes(true), 'prime2' => $primes[2]->toBytes(true), 'exponent1' => $exponents[1]->toBytes(true), 'exponent2' => $exponents[2]->toBytes(true), 'coefficient' => $coefficients[2]->toBytes(true));
// if the format in question does not support multi-prime rsa and multi-prime rsa was used,
// call _convertPublicKey() instead.
switch ($this->privateKeyFormat) {
case CRYPT_RSA_PRIVATE_FORMAT_XML:
if ($num_primes != 2) {
return false;
}
return "<RSAKeyValue>\r\n" . ' <Modulus>' . base64_encode($raw['modulus']) . "</Modulus>\r\n" . ' <Exponent>' . base64_encode($raw['publicExponent']) . "</Exponent>\r\n" . ' <P>' . base64_encode($raw['prime1']) . "</P>\r\n" . ' <Q>' . base64_encode($raw['prime2']) . "</Q>\r\n" . ' <DP>' . base64_encode($raw['exponent1']) . "</DP>\r\n" . ' <DQ>' . base64_encode($raw['exponent2']) . "</DQ>\r\n" . ' <InverseQ>' . base64_encode($raw['coefficient']) . "</InverseQ>\r\n" . ' <D>' . base64_encode($raw['privateExponent']) . "</D>\r\n" . '</RSAKeyValue>';
break;
case CRYPT_RSA_PRIVATE_FORMAT_PUTTY:
if ($num_primes != 2) {
return false;
}
$key = "PuTTY-User-Key-File-2: ssh-rsa\r\nEncryption: ";
$encryption = !empty($this->password) || is_string($this->password) ? 'aes256-cbc' : 'none';
$key .= $encryption;
$key .= "\r\nComment: " . CRYPT_RSA_COMMENT . "\r\n";
$public = pack('Na*Na*Na*', strlen('ssh-rsa'), 'ssh-rsa', strlen($raw['publicExponent']), $raw['publicExponent'], strlen($raw['modulus']), $raw['modulus']);
$source = pack('Na*Na*Na*Na*', strlen('ssh-rsa'), 'ssh-rsa', strlen($encryption), $encryption, strlen(CRYPT_RSA_COMMENT), CRYPT_RSA_COMMENT, strlen($public), $public);
$public = base64_encode($public);
$key .= "Public-Lines: " . (strlen($public) + 32 >> 6) . "\r\n";
$key .= chunk_split($public, 64);
$private = pack('Na*Na*Na*Na*', strlen($raw['privateExponent']), $raw['privateExponent'], strlen($raw['prime1']), $raw['prime1'], strlen($raw['prime2']), $raw['prime2'], strlen($raw['coefficient']), $raw['coefficient']);
if (empty($this->password) && !is_string($this->password)) {
$source .= pack('Na*', strlen($private), $private);
$hashkey = 'putty-private-key-file-mac-key';
} else {
$private .= $this->_random(16 - (strlen($private) & 15));
$source .= pack('Na*', strlen($private), $private);
if (!class_exists('Crypt_AES')) {
require_once 'Crypt/AES.php';
}
$sequence = 0;
$symkey = '';
while (strlen($symkey) < 32) {
$temp = pack('Na*', $sequence++, $this->password);
$symkey .= pack('H*', sha1($temp));
}
$symkey = substr($symkey, 0, 32);
$crypto = new Crypt_AES();
$crypto->setKey($symkey);
$crypto->disablePadding();
$private = $crypto->encrypt($private);
$hashkey = 'putty-private-key-file-mac-key' . $this->password;
}
$private = base64_encode($private);
$key .= 'Private-Lines: ' . (strlen($private) + 32 >> 6) . "\r\n";
$key .= chunk_split($private, 64);
if (!class_exists('Crypt_Hash')) {
require_once 'Crypt/Hash.php';
}
$hash = new Crypt_Hash('sha1');
$hash->setKey(pack('H*', sha1($hashkey)));
$key .= 'Private-MAC: ' . bin2hex($hash->hash($source)) . "\r\n";
return $key;
default:
// eg. CRYPT_RSA_PRIVATE_FORMAT_PKCS1
$components = array();
foreach ($raw as $name => $value) {
$components[$name] = pack('Ca*a*', CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(strlen($value)), $value);
}
$RSAPrivateKey = implode('', $components);
if ($num_primes > 2) {
$OtherPrimeInfos = '';
for ($i = 3; $i <= $num_primes; $i++) {
// OtherPrimeInfos ::= SEQUENCE SIZE(1..MAX) OF OtherPrimeInfo
//
// OtherPrimeInfo ::= SEQUENCE {
// prime INTEGER, -- ri
// exponent INTEGER, -- di
// coefficient INTEGER -- ti
// }
$OtherPrimeInfo = pack('Ca*a*', CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(strlen($primes[$i]->toBytes(true))), $primes[$i]->toBytes(true));
$OtherPrimeInfo .= pack('Ca*a*', CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(strlen($exponents[$i]->toBytes(true))), $exponents[$i]->toBytes(true));
$OtherPrimeInfo .= pack('Ca*a*', CRYPT_RSA_ASN1_INTEGER, $this->_encodeLength(strlen($coefficients[$i]->toBytes(true))), $coefficients[$i]->toBytes(true));
$OtherPrimeInfos .= pack('Ca*a*', CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($OtherPrimeInfo)), $OtherPrimeInfo);
}
$RSAPrivateKey .= pack('Ca*a*', CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($OtherPrimeInfos)), $OtherPrimeInfos);
}
$RSAPrivateKey = pack('Ca*a*', CRYPT_RSA_ASN1_SEQUENCE, $this->_encodeLength(strlen($RSAPrivateKey)), $RSAPrivateKey);
if (!empty($this->password) || is_string($this->password)) {
$iv = $this->_random(8);
$symkey = pack('H*', md5($this->password . $iv));
// symkey is short for symmetric key
$symkey .= substr(pack('H*', md5($symkey . $this->password . $iv)), 0, 8);
if (!class_exists('Crypt_TripleDES')) {
require_once 'Crypt/TripleDES.php';
}
$des = new Crypt_TripleDES();
$des->setKey($symkey);
$des->setIV($iv);
$iv = strtoupper(bin2hex($iv));
$RSAPrivateKey = "-----BEGIN RSA PRIVATE KEY-----\r\n" . "Proc-Type: 4,ENCRYPTED\r\n" . "DEK-Info: DES-EDE3-CBC,{$iv}\r\n" . "\r\n" . chunk_split(base64_encode($des->encrypt($RSAPrivateKey))) . '-----END RSA PRIVATE KEY-----';
} else {
$RSAPrivateKey = "-----BEGIN RSA PRIVATE KEY-----\r\n" . chunk_split(base64_encode($RSAPrivateKey)) . '-----END RSA PRIVATE KEY-----';
}
return $RSAPrivateKey;
}
}