Шифрование данных в Joomla 1.5 - Joomla 1.5: Общие вопросы

$salt	= JUserHelper::genRandomPassword(32);
$crypt = JUserHelper::getCryptedPassword($password1, $salt);
$password	= $crypt.':'.$salt;

<?php		
	function genRandomPassword($length = 8)
	{
		$salt = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
		$len = strlen($salt);
		$makepass = '';

		$stat = @stat(__FILE__);
		if(empty($stat) || !is_array($stat)) $stat = array(php_uname());

		mt_srand(crc32(microtime(). implode('|', $stat)));

		for ($i = 0; $i < $length; $i ++) {
			$makepass .= $salt[mt_rand(0, $len -1)];
		}

		return $makepass;
	}
	
	function getCryptedPassword($plaintext, $salt = '', $encryption = 'md5-hex', $show_encrypt = false)
	{
		// Get the salt to use.
		$salt = getSalt($encryption, $salt, $plaintext);

		// Encrypt the password.
		switch ($encryption)
		{
			case 'plain' :
				return $plaintext;

			case 'sha' :
				$encrypted = base64_encode(mhash(MHASH_SHA1, $plaintext));
				return ($show_encrypt)? '{SHA}'.$encrypted : $encrypted;

			case 'crypt' :
			case 'crypt-des' :
			case 'crypt-md5' :
			case 'crypt-blowfish' :
				return ($show_encrypt ? '{crypt}' : '').crypt($plaintext, $salt);

			case 'md5-base64' :
				$encrypted = base64_encode(mhash(MHASH_MD5, $plaintext));
				return ($show_encrypt)? '{MD5}'.$encrypted : $encrypted;

			case 'ssha' :
				$encrypted = base64_encode(mhash(MHASH_SHA1, $plaintext.$salt).$salt);
				return ($show_encrypt)? '{SSHA}'.$encrypted : $encrypted;

			case 'smd5' :
				$encrypted = base64_encode(mhash(MHASH_MD5, $plaintext.$salt).$salt);
				return ($show_encrypt)? '{SMD5}'.$encrypted : $encrypted;

			case 'aprmd5' :
				$length = strlen($plaintext);
				$context = $plaintext.'$apr1$'.$salt;
				$binary = JUserHelper::_bin(md5($plaintext.$salt.$plaintext));

				for ($i = $length; $i > 0; $i -= 16) {
					$context .= substr($binary, 0, ($i > 16 ? 16 : $i));
				}
				for ($i = $length; $i > 0; $i >>= 1) {
					$context .= ($i & 1)? chr(0) : $plaintext[0];
				}

				$binary = JUserHelper::_bin(md5($context));

				for ($i = 0; $i < 1000; $i ++) {
					$new = ($i & 1)? $plaintext : substr($binary, 0, 16);
					if ($i % 3) {
						$new .= $salt;
					}
					if ($i % 7) {
						$new .= $plaintext;
					}
					$new .= ($i & 1)? substr($binary, 0, 16) : $plaintext;
					$binary = JUserHelper::_bin(md5($new));
				}

				$p = array ();
				for ($i = 0; $i < 5; $i ++) {
					$k = $i +6;
					$j = $i +12;
					if ($j == 16) {
						$j = 5;
					}
					$p[] = JUserHelper::_toAPRMD5((ord($binary[$i]) << 16) | (ord($binary[$k]) << 8) | (ord($binary[$j])), 5);
				}

				return '$apr1$'.$salt.'$'.implode('', $p).JUserHelper::_toAPRMD5(ord($binary[11]), 3);

			case 'md5-hex' :
			default :
				$encrypted = ($salt)? md5($plaintext.$salt) : md5($plaintext);
				return ($show_encrypt)? '{MD5}'.$encrypted : $encrypted;
		}
	}
	
	function getSalt($encryption = 'md5-hex', $seed = '', $plaintext = '')
	{
		// Encrypt the password.
		switch ($encryption)
		{
			case 'crypt' :
			case 'crypt-des' :
				if ($seed) {
					return substr(preg_replace('|^{crypt}|i', '', $seed), 0, 2);
				} else {
					return substr(md5(mt_rand()), 0, 2);
				}
				break;

			case 'crypt-md5' :
				if ($seed) {
					return substr(preg_replace('|^{crypt}|i', '', $seed), 0, 12);
				} else {
					return '$1$'.substr(md5(mt_rand()), 0, 8).'$';
				}
				break;

			case 'crypt-blowfish' :
				if ($seed) {
					return substr(preg_replace('|^{crypt}|i', '', $seed), 0, 16);
				} else {
					return '$2$'.substr(md5(mt_rand()), 0, 12).'$';
				}
				break;

			case 'ssha' :
				if ($seed) {
					return substr(preg_replace('|^{SSHA}|', '', $seed), -20);
				} else {
					return mhash_keygen_s2k(MHASH_SHA1, $plaintext, substr(pack('h*', md5(mt_rand())), 0, 8), 4);
				}
				break;

			case 'smd5' :
				if ($seed) {
					return substr(preg_replace('|^{SMD5}|', '', $seed), -16);
				} else {
					return mhash_keygen_s2k(MHASH_MD5, $plaintext, substr(pack('h*', md5(mt_rand())), 0, 8), 4);
				}
				break;

			case 'aprmd5' :
				/* 64 characters that are valid for APRMD5 passwords. */
				$APRMD5 = './0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';

				if ($seed) {
					return substr(preg_replace('/^\$apr1\$(.{8}).*/', '\\1', $seed), 0, 8);
				} else {
					$salt = '';
					for ($i = 0; $i < 8; $i ++) {
						$salt .= $APRMD5 {
							rand(0, 63)
							};
					}
					return $salt;
				}
				break;

			default :
				$salt = '';
				if ($seed) {
					$salt = $seed;
				}
				return $salt;
				break;
		}
	}

$first = 'admin';
$salt = genRandomPassword(32);
$crypt = getCryptedPassword($first, $salt);
$password	= $crypt.':'.$salt;

echo $first;
echo "<br />";
echo $password;
?>