MD5 Message Digest

 

  public StringBuilder GetMessageDiagest(string content)

        {

            if (string.IsNullOrEmpty(content) == false)

            {

 

                MD5 md5 = new MD5CryptoServiceProvider();

                byte[] data = new CommonAlgorithms().ConvertStringToByteArray(content);

                byte[] result = md5.ComputeHash(data);

                StringBuilder sb = new StringBuilder();

                for (int i = 0; i < result.Length; i++)

                {

                    sb.Append(result[i].ToString("X2"));

                }

                return sb;

            }

 

            return null;

        }

 

 public byte[] ConvertStringToByteArray(string str)

        {

            if (string.IsNullOrEmpty(str)) return null;

 

            byte[] byteArray = System.Text.Encoding.Default.GetBytes(str);

 

            return byteArray;

               

        }

 

        public string ConvertByteArrayToString(byte[] byteArray)

        {

            if (byteArray == null || byteArray.Length == 0) return null;

 

            string str = System.Text.Encoding.Default.GetString(byteArray);

 

            return str;

        }

 

原文地址:https://www.cnblogs.com/quietwalk/p/2636655.html