/**
* Decryption using blowfish algorithm
*
* @param string $encdata encrypted data
* @param string $secret the secret
*
* @return string original data
*/
public static function blowfishDecrypt($encdata, $secret)
{
$pma_cipher = new Horde_Cipher_blowfish();
$decrypt = '';
$data = base64_decode($encdata);
foreach (str_split($data, 8) as $chunk) {
$decrypt .= $pma_cipher->decryptBlock($chunk, $secret);
}
return trim($decrypt);
}
/**
* Decryption using blowfish algorithm
*
* @param string encrypted data
* @param string the secret
*
* @return string original data
*
* @access public
*
* @author lem9
*/
function PMA_blowfish_decrypt($encdata, $secret)
{
$pma_cipher = new Horde_Cipher_blowfish();
$decrypt = '';
$data = base64_decode($encdata);
for ($i = 0; $i < strlen($data); $i += 8) {
$decrypt .= $pma_cipher->decryptBlock(substr($data, $i, 8), $secret);
}
return trim($decrypt);
}
/**
* Decryption using blowfish algorithm
*
* @param string encrypted data
* @param string the secret
*
* @return string original data
*
* @access public
*
* @author lem9
*/
function PMA_blowfish_decrypt($encdata, $secret)
{
$pma_cipher = new Horde_Cipher_blowfish();
$decrypt = '';
$data = base64_decode($encdata);
foreach (str_split($data, 8) as $chunk) {
$decrypt .= $pma_cipher->decryptBlock($chunk, $secret);
}
return substr(rtrim($decrypt, ""), 0, -1);
// triming fixed for DokuWiki FS#1690 FS#1713
}
/**
* Decryption using blowfish algorithm
*
* @param string encrypted data
* @param string the secret
*
* @return string original data
*
* @access public
*
* @author lem9 (taken from the phpMyAdmin source)
*/
function pla_blowfish_decrypt($encdata, $secret = null)
{
if (DEBUG_ENABLED) {
debug_log('pla_blowfish_decrypt(): Entered with (%s,%s)', 1, $encdata, $secret);
}
global $config;
// This cache gives major speed up for stupid callers :)
static $cache = array();
if (isset($cache[$encdata])) {
return $cache[$encdata];
}
# If our secret is null or blank, get the default.
if ($secret === null || !trim($secret)) {
$secret = $config->GetValue('session', 'blowfish');
}
# If the secret isnt set, then just return the data.
if (!trim($secret)) {
return $encdata;
}
require_once LIBDIR . 'blowfish.php';
$pma_cipher = new Horde_Cipher_blowfish();
$decrypt = '';
$data = base64_decode($encdata);
for ($i = 0; $i < strlen($data); $i += 8) {
$decrypt .= $pma_cipher->decryptBlock(substr($data, $i, 8), $secret);
}
$return = trim($decrypt);
$cache[$encdata] = $return;
return $return;
}
/**
* Decryption using blowfish algorithm
*
* @param string Encrypted data
* @param string The secret
* @return string Original data
* @author lem9 (taken from the phpMyAdmin source)
*/
function blowfish_decrypt($encdata, $secret = null)
{
if (DEBUG_ENABLED && (($fargs = func_get_args()) || ($fargs = 'NOARGS'))) {
debug_log('Entered (%%)', 1, 0, __FILE__, __LINE__, __METHOD__, $fargs);
}
# This cache gives major speed up for stupid callers :)
static $CACHE = array();
if (isset($CACHE[$encdata])) {
return $CACHE[$encdata];
}
# If our secret is null or blank, get the default.
if ($secret === null || !trim($secret)) {
$secret = $_SESSION[APPCONFIG]->getValue('session', 'blowfish') ? $_SESSION[APPCONFIG]->getValue('session', 'blowfish') : session_id();
}
# If the secret isnt set, then just return the data.
if (!trim($secret)) {
return $encdata;
}
if (function_exists('mcrypt_module_open') && !empty($encdata)) {
$td = mcrypt_module_open(MCRYPT_BLOWFISH, '', MCRYPT_MODE_ECB, '');
$iv = mcrypt_create_iv(mcrypt_enc_get_iv_size($td), MCRYPT_DEV_URANDOM);
mcrypt_generic_init($td, substr($secret, 0, mcrypt_enc_get_key_size($td)), $iv);
$decrypted_data = trim(mdecrypt_generic($td, base64_decode($encdata)));
mcrypt_generic_deinit($td);
return $decrypted_data;
}
if (file_exists(LIBDIR . 'blowfish.php')) {
require_once LIBDIR . 'blowfish.php';
} else {
return $encdata;
}
$pma_cipher = new Horde_Cipher_blowfish();
$decrypt = '';
$data = base64_decode($encdata);
for ($i = 0; $i < strlen($data); $i += 8) {
$decrypt .= $pma_cipher->decryptBlock(substr($data, $i, 8), $secret);
}
// Strip off our \0's that were added.
$return = preg_replace("/\\0*\$/", '', $decrypt);
$CACHE[$encdata] = $return;
return $return;
}
/**
* Decryption using blowfish algorithm
*
* @param string Encrypted data
* @param string The secret
* @return string Original data
* @author lem9 (taken from the phpMyAdmin source)
*/
function blowfish_decrypt($encdata, $secret = null)
{
if (DEBUG_ENABLED && (($fargs = func_get_args()) || ($fargs = 'NOARGS'))) {
debug_log('Entered (%%)', 1, 0, __FILE__, __LINE__, __METHOD__, $fargs);
}
# This cache gives major speed up for stupid callers :)
static $CACHE = array();
if (isset($CACHE[$encdata])) {
return $CACHE[$encdata];
}
# If our secret is null or blank, get the default.
if ($secret === null || !trim($secret)) {
$secret = $_SESSION[APPCONFIG]->getValue('session', 'blowfish') ? $_SESSION[APPCONFIG]->getValue('session', 'blowfish') : session_id();
}
# If the secret isnt set, then just return the data.
if (!trim($secret)) {
return $encdata;
}
if (file_exists(LIBDIR . 'blowfish.php')) {
require_once LIBDIR . 'blowfish.php';
} else {
return $encdata;
}
$pma_cipher = new Horde_Cipher_blowfish();
$decrypt = '';
$data = base64_decode($encdata);
for ($i = 0; $i < strlen($data); $i += 8) {
$decrypt .= $pma_cipher->decryptBlock(substr($data, $i, 8), $secret);
}
$return = trim($decrypt);
$CACHE[$encdata] = $return;
return $return;
}
