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BlowfishCipher.php��0000644��00000001716�15117000254�0010165 0��ustar�00��<?php /** * Joomla! Content Management System * * @copyright Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved. * @license GNU General Public License version 2 or later; see LICENSE.txt / namespace Joomla\CMS\Crypt\Cipher; defined('JPATH_PLATFORM') or die; /* * Crypt cipher for Blowfish encryption, decryption and key generation. * * @since 3.0.0 * @deprecated 4.0 Without replacement use CryptoCipher / class BlowfishCipher extends McryptCipher { /* * @var integer The mcrypt cipher constant. * @link https://www.php.net/manual/en/mcrypt.ciphers.php * @since 3.0.0 / protected $type = MCRYPT_BLOWFISH; /* * @var integer The mcrypt block cipher mode. * @link https://www.php.net/manual/en/mcrypt.constants.php * @since 3.0.0 / protected $mode = MCRYPT_MODE_CBC; /* * @var string The JCrypt key type for validation. * @since 3.0.0 / protected $keyType = 'blowfish'; } ��CryptoCipher.php��0000644��00000006176�15117000254�0007675 0��ustar�00��<?php /* * Joomla! Content Management System * * @copyright Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved. * @license GNU General Public License version 2 or later; see LICENSE.txt / namespace Joomla\CMS\Crypt\Cipher; defined('JPATH_PLATFORM') or die; use Joomla\CMS\Crypt\CipherInterface; use Joomla\CMS\Crypt\Key; /* * Crypt cipher for encryption, decryption and key generation via the php-encryption library. * * @since 3.5 / class CryptoCipher implements CipherInterface { /* * Method to decrypt a data string. * * @param string $data The encrypted string to decrypt. * @param Key $key The key object to use for decryption. * * @return string The decrypted data string. * * @since 3.5 * @throws \RuntimeException / public function decrypt($data, Key $key) { // Validate key. if ($key->type != 'crypto') { throw new \InvalidArgumentException('Invalid key of type: ' . $key->type . '. Expected crypto.'); } // Decrypt the data. try { return \Crypto::Decrypt($data, $key->public); } catch (\InvalidCiphertextException $ex) { throw new \RuntimeException('DANGER! DANGER! The ciphertext has been tampered with!', $ex->getCode(), $ex); } catch (\CryptoTestFailedException $ex) { throw new \RuntimeException('Cannot safely perform decryption', $ex->getCode(), $ex); } catch (\CannotPerformOperationException $ex) { throw new \RuntimeException('Cannot safely perform decryption', $ex->getCode(), $ex); } } /* * Method to encrypt a data string. * * @param string $data The data string to encrypt. * @param Key $key The key object to use for encryption. * * @return string The encrypted data string. * * @since 3.5 * @throws \RuntimeException / public function encrypt($data, Key $key) { // Validate key. if ($key->type != 'crypto') { throw new \InvalidArgumentException('Invalid key of type: ' . $key->type . '. Expected crypto.'); } // Encrypt the data. try { return \Crypto::Encrypt($data, $key->public); } catch (\CryptoTestFailedException $ex) { throw new \RuntimeException('Cannot safely perform encryption', $ex->getCode(), $ex); } catch (\CannotPerformOperationException $ex) { throw new \RuntimeException('Cannot safely perform encryption', $ex->getCode(), $ex); } } /* * Method to generate a new encryption key object. * * @param array $options Key generation options. * * @return Key * * @since 3.5 * @throws \RuntimeException / public function generateKey(array $options = array()) { // Create the new encryption key object. $key = new Key('crypto'); // Generate the encryption key. try { $key->public = \Crypto::CreateNewRandomKey(); } catch (\CryptoTestFailedException $ex) { throw new \RuntimeException('Cannot safely create a key', $ex->getCode(), $ex); } catch (\CannotPerformOperationException $ex) { throw new \RuntimeException('Cannot safely create a key', $ex->getCode(), $ex); } // Explicitly flag the private as unused in this cipher. $key->private = 'unused'; return $key; } } ��McryptCipher.php��0000644��00000010730�15117000254�0007662 0��ustar�00��<?php /* * Joomla! Content Management System * * @copyright Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved. * @license GNU General Public License version 2 or later; see LICENSE.txt / namespace Joomla\CMS\Crypt\Cipher; defined('JPATH_PLATFORM') or die; use Joomla\CMS\Crypt\CipherInterface; use Joomla\CMS\Crypt\Crypt; use Joomla\CMS\Crypt\Key; /* * Crypt cipher for mcrypt algorithm encryption, decryption and key generation. * * @since 3.0.0 * @deprecated 4.0 Without replacement use CryptoCipher / abstract class McryptCipher implements CipherInterface { /* * @var integer The mcrypt cipher constant. * @link https://www.php.net/manual/en/mcrypt.ciphers.php * @since 3.0.0 / protected $type; /* * @var integer The mcrypt block cipher mode. * @link https://www.php.net/manual/en/mcrypt.constants.php * @since 3.0.0 / protected $mode; /* * @var string The Crypt key type for validation. * @since 3.0.0 / protected $keyType; /* * Constructor. * * @since 3.0.0 * @throws \RuntimeException / public function __construct() { if (!is_callable('mcrypt_encrypt')) { throw new \RuntimeException('The mcrypt extension is not available.'); } } /* * Method to decrypt a data string. * * @param string $data The encrypted string to decrypt. * @param Key $key The key object to use for decryption. * * @return string The decrypted data string. * * @since 3.0.0 * @throws \InvalidArgumentException / public function decrypt($data, Key $key) { // Validate key. if ($key->type != $this->keyType) { throw new \InvalidArgumentException('Invalid key of type: ' . $key->type . '. Expected ' . $this->keyType . '.'); } // Decrypt the data. $decrypted = trim(mcrypt_decrypt($this->type, $key->private, $data, $this->mode, $key->public)); return $decrypted; } /* * Method to encrypt a data string. * * @param string $data The data string to encrypt. * @param Key $key The key object to use for encryption. * * @return string The encrypted data string. * * @since 3.0.0 * @throws \InvalidArgumentException / public function encrypt($data, Key $key) { // Validate key. if ($key->type != $this->keyType) { throw new \InvalidArgumentException('Invalid key of type: ' . $key->type . '. Expected ' . $this->keyType . '.'); } // Encrypt the data. $encrypted = mcrypt_encrypt($this->type, $key->private, $data, $this->mode, $key->public); return $encrypted; } /* * Method to generate a new encryption key object. * * @param array $options Key generation options. * * @return Key * * @since 3.0.0 * @throws \InvalidArgumentException / public function generateKey(array $options = array()) { // Create the new encryption key object. $key = new Key($this->keyType); // Generate an initialisation vector based on the algorithm. $key->public = mcrypt_create_iv(mcrypt_get_iv_size($this->type, $this->mode), MCRYPT_DEV_URANDOM); // Get the salt and password setup. $salt = (isset($options['salt'])) ? $options['salt'] : substr(pack('h', md5(Crypt::genRandomBytes())), 0, 16); if (!isset($options['password'])) { throw new \InvalidArgumentException('Password is not set.'); } // Generate the derived key. $key->private = $this->pbkdf2($options['password'], $salt, mcrypt_get_key_size($this->type, $this->mode)); return $key; } /** * PBKDF2 Implementation for deriving keys. * * @param string $p Password * @param string $s Salt * @param integer $kl Key length * @param integer $c Iteration count * @param string $a Hash algorithm * * @return string The derived key. * * @link https://en.wikipedia.org/wiki/PBKDF2 * @link http://www.ietf.org/rfc/rfc2898.txt * @since 3.0.0 / public function pbkdf2($p, $s, $kl, $c = 10000, $a = 'sha256') { // Hash length. $hl = strlen(hash($a, null, true)); // Key blocks to compute. $kb = ceil($kl / $hl); // Derived key. $dk = ''; // Create the key. for ($block = 1; $block <= $kb; $block++) { // Initial hash for this block. $ib = $b = hash_hmac($a, $s . pack('N', $block), $p, true); // Perform block iterations. for ($i = 1; $i < $c; $i++) { $ib ^= ($b = hash_hmac($a, $b, $p, true)); } // Append the iterated block. $dk .= $ib; } // Return derived key of correct length. return substr($dk, 0, $kl); } } ��Rijndael256Cipher.php��0000644��00000001734�15117000254�0010375 0��ustar�00��<?php /* * Joomla! Content Management System * * @copyright Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved. * @license GNU General Public License version 2 or later; see LICENSE.txt / namespace Joomla\CMS\Crypt\Cipher; defined('JPATH_PLATFORM') or die; /* * Crypt cipher for Rijndael 256 encryption, decryption and key generation. * * @since 3.0.0 * @deprecated 4.0 Without replacement use CryptoCipher / class Rijndael256Cipher extends McryptCipher { /* * @var integer The mcrypt cipher constant. * @link https://www.php.net/manual/en/mcrypt.ciphers.php * @since 3.0.0 / protected $type = MCRYPT_RIJNDAEL_256; /* * @var integer The mcrypt block cipher mode. * @link https://www.php.net/manual/en/mcrypt.constants.php * @since 3.0.0 / protected $mode = MCRYPT_MODE_CBC; /* * @var string The JCrypt key type for validation. * @since 3.0.0 / protected $keyType = 'rijndael256'; } ��SimpleCipher.php��0000644��00000012376�15117000254�0007645 0��ustar�00��<?php /* * Joomla! Content Management System * * @copyright Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved. * @license GNU General Public License version 2 or later; see LICENSE.txt / namespace Joomla\CMS\Crypt\Cipher; defined('JPATH_PLATFORM') or die; use Joomla\CMS\Crypt\CipherInterface; use Joomla\CMS\Crypt\Crypt; use Joomla\CMS\Crypt\Key; /* * Crypt cipher for Simple encryption, decryption and key generation. * * @since 3.0.0 * @deprecated 4.0 (CMS) / class SimpleCipher implements CipherInterface { /* * Method to decrypt a data string. * * @param string $data The encrypted string to decrypt. * @param Key $key The key[/pair] object to use for decryption. * * @return string The decrypted data string. * * @since 3.0.0 * @throws \InvalidArgumentException / public function decrypt($data, Key $key) { // Validate key. if ($key->type != 'simple') { throw new \InvalidArgumentException('Invalid key of type: ' . $key->type . '. Expected simple.'); } $decrypted = ''; $tmp = $key->public; // Convert the HEX input into an array of integers and get the number of characters. $chars = $this->_hexToIntArray($data); $charCount = count($chars); // Repeat the key as many times as necessary to ensure that the key is at least as long as the input. for ($i = 0; $i < $charCount; $i = strlen($tmp)) { $tmp = $tmp . $tmp; } // Get the XOR values between the ASCII values of the input and key characters for all input offsets. for ($i = 0; $i < $charCount; $i++) { $decrypted .= chr($chars[$i] ^ ord($tmp[$i])); } return $decrypted; } /* * Method to encrypt a data string. * * @param string $data The data string to encrypt. * @param Key $key The key[/pair] object to use for encryption. * * @return string The encrypted data string. * * @since 3.0.0 * @throws \InvalidArgumentException / public function encrypt($data, Key $key) { // Validate key. if ($key->type != 'simple') { throw new \InvalidArgumentException('Invalid key of type: ' . $key->type . '. Expected simple.'); } $encrypted = ''; $tmp = $key->private; // Split up the input into a character array and get the number of characters. $chars = preg_split('//', $data, -1, PREG_SPLIT_NO_EMPTY); $charCount = count($chars); // Repeat the key as many times as necessary to ensure that the key is at least as long as the input. for ($i = 0; $i < $charCount; $i = strlen($tmp)) { $tmp = $tmp . $tmp; } // Get the XOR values between the ASCII values of the input and key characters for all input offsets. for ($i = 0; $i < $charCount; $i++) { $encrypted .= $this->_intToHex(ord($tmp[$i]) ^ ord($chars[$i])); } return $encrypted; } /* * Method to generate a new encryption key[/pair] object. * * @param array $options Key generation options. * * @return Key * * @since 3.0.0 / public function generateKey(array $options = array()) { // Create the new encryption key[/pair] object. $key = new Key('simple'); // Just a random key of a given length. $key->private = Crypt::genRandomBytes(256); $key->public = $key->private; return $key; } /* * Convert hex to an integer * * @param string $s The hex string to convert. * @param integer $i The offset? * * @return integer * * @since 1.7.0 / private function _hexToInt($s, $i) { $j = (int) $i 2; $k = 0; $s1 = (string) $s; // Get the character at position $j. $c = substr($s1, $j, 1); // Get the character at position $j + 1. $c1 = substr($s1, $j + 1, 1); switch ($c) { case 'A': $k += 160; break; case 'B': $k += 176; break; case 'C': $k += 192; break; case 'D': $k += 208; break; case 'E': $k += 224; break; case 'F': $k += 240; break; case ' ': $k += 0; break; default: (int) $k = $k + (16 * (int) $c); break; } switch ($c1) { case 'A': $k += 10; break; case 'B': $k += 11; break; case 'C': $k += 12; break; case 'D': $k += 13; break; case 'E': $k += 14; break; case 'F': $k += 15; break; case ' ': $k += 0; break; default: $k += (int) $c1; break; } return $k; } /** * Convert hex to an array of integers * * @param string $hex The hex string to convert to an integer array. * * @return array An array of integers. * * @since 1.7.0 / private function _hexToIntArray($hex) { $array = array(); $j = (int) strlen($hex) / 2; for ($i = 0; $i < $j; $i++) { $array[$i] = (int) $this->_hexToInt($hex, $i); } return $array; } /* * Convert an integer to a hexadecimal string. * * @param integer $i An integer value to convert to a hex string. * * @return string * * @since 1.7.0 / private function _intToHex($i) { // Sanitize the input. $i = (int) $i; // Get the first character of the hexadecimal string if there is one. $j = (int) ($i / 16); if ($j === 0) { $s = ' '; } else { $s = strtoupper(dechex($j)); } // Get the second character of the hexadecimal string. $k = $i - $j 16; $s = $s . strtoupper(dechex($k)); return $s; } } ��SodiumCipher.php��0000644��00000005743�15117000254�0007654 0��ustar�00��<?php /** * Joomla! Content Management System * * @copyright Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved. * @license GNU General Public License version 2 or later; see LICENSE.txt / namespace Joomla\CMS\Crypt\Cipher; defined('JPATH_PLATFORM') or die; use Joomla\CMS\Crypt\CipherInterface; use Joomla\CMS\Crypt\Key; use ParagonIE\Sodium\Compat; /* * JCrypt cipher for sodium algorithm encryption, decryption and key generation. * * @since 3.8.0 / class SodiumCipher implements CipherInterface { /* * The message nonce to be used with encryption/decryption * * @var string * @since 3.8.0 / private $nonce; /* * Method to decrypt a data string. * * @param string $data The encrypted string to decrypt. * @param Key $key The key object to use for decryption. * * @return string The decrypted data string. * * @since 3.8.0 * @throws \RuntimeException / public function decrypt($data, Key $key) { // Validate key. if ($key->type !== 'sodium') { throw new \InvalidArgumentException('Invalid key of type: ' . $key->type . '. Expected sodium.'); } if (!$this->nonce) { throw new \RuntimeException('Missing nonce to decrypt data'); } $decrypted = Compat::crypto_box_open( $data, $this->nonce, Compat::crypto_box_keypair_from_secretkey_and_publickey($key->private, $key->public) ); if ($decrypted === false) { throw new \RuntimeException('Malformed message or invalid MAC'); } return $decrypted; } /* * Method to encrypt a data string. * * @param string $data The data string to encrypt. * @param Key $key The key object to use for encryption. * * @return string The encrypted data string. * * @since 3.8.0 * @throws \RuntimeException / public function encrypt($data, Key $key) { // Validate key. if ($key->type !== 'sodium') { throw new \InvalidArgumentException('Invalid key of type: ' . $key->type . '. Expected sodium.'); } if (!$this->nonce) { throw new \RuntimeException('Missing nonce to decrypt data'); } return Compat::crypto_box( $data, $this->nonce, Compat::crypto_box_keypair_from_secretkey_and_publickey($key->private, $key->public) ); } /* * Method to generate a new encryption key object. * * @param array $options Key generation options. * * @return Key * * @since 3.8.0 * @throws RuntimeException / public function generateKey(array $options = array()) { // Create the new encryption key object. $key = new Key('sodium'); // Generate the encryption key. $pair = Compat::crypto_box_keypair(); $key->public = Compat::crypto_box_publickey($pair); $key->private = Compat::crypto_box_secretkey($pair); return $key; } /* * Set the nonce to use for encrypting/decrypting messages * * @param string $nonce The message nonce * * @return void * * @since 3.8.0 / public function setNonce($nonce) { $this->nonce = $nonce; } } ��TripleDesCipher.php��0000644��00000001711�15117000254�0010276 0��ustar�00��<?php /* * Joomla! Content Management System * * @copyright Copyright (C) 2005 - 2020 Open Source Matters, Inc. All rights reserved. * @license GNU General Public License version 2 or later; see LICENSE.txt / namespace Joomla\CMS\Crypt\Cipher; defined('JPATH_PLATFORM') or die; /* * JCrypt cipher for Triple DES encryption, decryption and key generation. * * @since 3.0.0 * @deprecated 4.0 Without replacement use CryptoCipher / class TripleDesCipher extends McryptCipher { /* * @var integer The mcrypt cipher constant. * @link https://www.php.net/manual/en/mcrypt.ciphers.php * @since 3.0.0 / protected $type = MCRYPT_3DES; /* * @var integer The mcrypt block cipher mode. * @link https://www.php.net/manual/en/mcrypt.constants.php * @since 3.0.0 / protected $mode = MCRYPT_MODE_CBC; /* * @var string The Crypt key type for validation. * @since 3.0.0 */ protected $keyType = '3des'; } ��

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