Mega Code Archive

 

Categories / C# Tutorial / Security

 

RSACryptoServiceProvider reads from xml key

using System; using System.IO; using System.Security; using System.Security.Cryptography; using System.Collections.Generic; using System.Text;     class Program     {         static void Main(string[] args)         {             StreamReader sr = File.OpenText("myKey.xml");             string myKey = sr.ReadToEnd();             sr.Close();             RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();             rsa.FromXmlString(myKey);             FileStream fs = new FileStream("Message.dat", FileMode.Open);             byte[] encrypted = new byte[fs.Length];             fs.Read(encrypted, 0, (int)fs.Length);             byte[] decrypted = rsa.Decrypt(encrypted, false);             fs.Close();             Console.WriteLine(System.Text.ASCIIEncoding.ASCII.GetString(decrypted));                      }     }