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AES256/ECB/PKCS7Padding Encrypt/Decrypt in PHP
function aes256EcbPkcs7PaddingEncrypt($key, $data) {
$padding = 16 - (strlen($data) % 16);
$data .= str_repeat(chr($padding), $padding);
return mcrypt_encrypt(MCRYPT_RIJNDAEL_128, hash('SHA256', $key, true), $data, MCRYPT_MODE_ECB);
function aes256EcbPkcs7PaddingDecrypt($key, $data) {
$data = mcrypt_decrypt(MCRYPT_RIJNDAEL_128, hash('SHA256', $key, true), $data, MCRYPT_MODE_ECB);
$padding = ord($data[strlen($data) - 1]);
return substr($data, 0, -$padding);
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