<?php
function encrypt($plaintext, $password)
{
$method = "AES-256-CBC";
$key = hash('sha256', $password, true);
$iv = openssl_random_pseudo_bytes(16);
$ciphertext = openssl_encrypt($plaintext, $method, $key, OPENSSL_RAW_DATA, $iv);
$hash = hash_hmac('sha256', $ciphertext, $key, true);
return $iv . $hash . $ciphertext;
}
function decrypt($ivHashCiphertext, $password)
{
$method = "AES-256-CBC";
$iv = substr($ivHashCiphertext, 0, 16);
$hash = substr($ivHashCiphertext, 16, 32);
$ciphertext = substr($ivHashCiphertext, 48);
$key = hash('sha256', $password, true);
if (hash_hmac('sha256', $ciphertext, $key, true) !== $hash)
return null;
return openssl_decrypt($ciphertext, $method, $key, OPENSSL_RAW_DATA, $iv);
}
function new_license(){
}
function validate_license($lic){
;
echo "\n".cntrl_summ($license['2'],0);
cntrl_summ($license['2'],0);
}
function cntrl_summ ($num, $num_old, $last_num=false){
$x = (int)$num;
$s = 0;
while ($x <> 0) {
$s = $s + $x % 10;
echo $x;
}
if ($x==0) {
echo 0;
} else echo 1;
}
$k = '. md5(rand());
$sn = sha1('1314-6685-000-65908');
echo base64_encode(encrypt($k, $sn));
validate_license('1314-6685-000-65908');
{"html5":"htmlmixed","css":"css","javascript":"javascript","php":"php","python":"python","ruby":"ruby","lua":"text\/x-lua","bash":"text\/x-sh","go":"go","c":"text\/x-csrc","cpp":"text\/x-c++src","diff":"diff","latex":"stex","sql":"sql","xml":"xml","apl":"apl","asterisk":"asterisk","c_loadrunner":"text\/x-csrc","c_mac":"text\/x-csrc","coffeescript":"text\/x-coffeescript","csharp":"text\/x-csharp","d":"d","ecmascript":"javascript","erlang":"erlang","groovy":"text\/x-groovy","haskell":"text\/x-haskell","haxe":"text\/x-haxe","html4strict":"htmlmixed","java":"text\/x-java","java5":"text\/x-java","jquery":"javascript","mirc":"mirc","mysql":"sql","ocaml":"text\/x-ocaml","pascal":"text\/x-pascal","perl":"perl","perl6":"perl","plsql":"sql","properties":"text\/x-properties","q":"text\/x-q","scala":"scala","scheme":"text\/x-scheme","tcl":"text\/x-tcl","vb":"text\/x-vb","verilog":"text\/x-verilog","yaml":"text\/x-yaml","z80":"text\/x-z80"}