2018-1-6 17:10:19 星期六
1 $data = '123456'; 2 $openssl_method = 'AES-256-CBC'; 3 $openssl_iv_length = openssl_cipher_iv_length($openssl_method); 4 $openssl_iv = openssl_random_pseudo_bytes($openssl_iv_length); 5 $openssl_password = openssl_random_pseudo_bytes(16); 6 7 echo '<pre>'; 8 // 加密 9 $e = openssl_encrypt($data, $openssl_method, $openssl_password, 0, $openssl_iv); 10 echo openssl_error_string (); 11 12 //解密 13 $f = openssl_decrypt($e, $openssl_method, $openssl_password, 0, $openssl_iv); 14 echo openssl_error_string (); 15 var_dump($e, $f);
注意:
1. 加密后輸出是base64編碼后的結果, 可以直接輸出到客戶端
2. $options 有 OPENSSL_RAW_DATA 時, 輸出的是加密后的原始結果, 沒有用base64編碼
3. $options 有 OPENSSL_ZERO_PADDING 時, 要求被加密的數據必須是"加密塊"長度的整數倍