求 .NET AES解密方法对应的JAVA代码

2018-07-16 05:34:42 156 阅读 AI 写同款 · GEO 优化AI 选题数据监测一键分发 ›

java实现AES加密解密 -- 对文件的加密解密对文件的加密解密但是这样写的工具类Cipher ，会出现一个异常，在Linux中会解密失败，具体解决办法，见另一篇博客：https://blog.csdn.net/weixin_43276786/article/details/90381086 工具类： package cn.com.dh.util; import java.security.SecureRandom; impo... 阅读详情

.net代码



public static string AESDecrypt(string cipherString, string str)

        {

            if (string.IsNullOrEmpty(cipherString))

                return string.Empty;

            byte[] cipherText = Convert.FromBase64String(cipherString);

            int length = cipherText.Length;

            SymmetricAlgorithm des = Rijndael.Create();

            des.Key = Convert.FromBase64String(str);

            byte[] iv = new byte[16];

            Buffer.BlockCopy(cipherText, 0, iv, 0, 16);

            des.IV = iv;

            byte[] decryptBytes = new byte[length - 16];

            byte[] passwdText = new byte[length - 16];

            Buffer.BlockCopy(cipherText, 16, passwdText, 0, length - 16);

            using (MemoryStream ms = new MemoryStream(passwdText))

            {

                using (CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Read))

                {

                    cs.Read(decryptBytes, 0, decryptBytes.Length);

                    cs.Close();

                    ms.Close();

                }

            }

            return Encoding.UTF8.GetString(decryptBytes);  

        }