c#加密-对应java DES/ECB/PKCS5Padding

        /// <summary>
        /// 对应java的DES/ECB/PKCS5Padding加密
        /// </summary>
        /// <param name="pToEncrypt"></param>
        /// <param name="sKey"></param>
        /// <returns></returns>
        public static string DESEncryptJ(string pToEncrypt, string sKey)
        {

            sKey = sKey.Substring(0, 8);

            DESCryptoServiceProvider des = new DESCryptoServiceProvider();
            byte[] inputByteArray;
            inputByteArray = Encoding.UTF8.GetBytes(pToEncrypt);
            des.Key = ASCIIEncoding.ASCII.GetBytes(sKey);
            des.IV = ASCIIEncoding.ASCII.GetBytes(sKey);
            des.Padding = PaddingMode.PKCS7;
            des.Mode = CipherMode.ECB;
            System.IO.MemoryStream ms = new System.IO.MemoryStream();
            CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write);
            cs.Write(inputByteArray, 0, inputByteArray.Length);
            cs.FlushFinalBlock();
            StringBuilder ret = new StringBuilder();
            foreach (byte b in ms.ToArray())
            {
                ret.AppendFormat("{0:X2}", b);
            }
            return ret.ToString();
        }
        /// <summary>
        /// 对应java的DES/ECB/PKCS5Padding解密
        /// </summary>
        /// <param name="pToDecrypt"></param>
        /// <param name="sKey"></param>
        /// <returns></returns>
        public static string DESDecryptJ(string pToDecrypt, string sKey)
        {
            byte[] inputByteArray = Convert.FromBase64String(pToDecrypt);

            using (DESCryptoServiceProvider des = new DESCryptoServiceProvider())
            {
                byte[] keys = new byte[8];
                for (int i = 0; i < 8; i++)
                {
                    keys[i] = Convert.ToByte(sKey.Substring(i * 2, 2), 16);
                }
                des.Key = keys;
                des.IV = keys;
                des.Padding = PaddingMode.PKCS7;
                des.Mode = CipherMode.ECB;
                MemoryStream ms = new MemoryStream();
                using (CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write))
                {
                    cs.Write(inputByteArray, 0, inputByteArray.Length);
                    cs.FlushFinalBlock();
                    cs.Close();
                }
                string str = Encoding.UTF8.GetString(ms.ToArray());
                ms.Close();
                return str;
            }
            
        }