php加密算法库
//工行加密举例:
$iv = str_repeat("\0", openssl_cipher_iv_length('aes-128-cbc'));
$ase = new \stlswm\PHPEncrypt\AES(base64_decode('MTExMTExMTExMTExMTExMQ=='), 'aes-128-cbc', $iv,
OPENSSL_RAW_DATA);
$e = base64_encode($ase->encrypt('123'));
$d = $ase->decrypt(base64_decode($e));
$this->assertSame('123',$d);