php中的PKCS5Padding填充模式代码:
//Pads data to mod 8 bytes, PKCS#5 style
function pad($data) {
$padlen = 8-(strlen($data) % 8);
for ($i=0; $i<$padlen; $i++)
$data .= chr($padlen);
return $data;
}
//Unpads data (and checks if pad is valid)
function unpad($data) {
$padlen = ord(substr($data, strlen...
阅读全文
blowfish
