Asymmetric cryptography : RSA « Security « C# / CSharp Tutorial

1. C# / CSharp Tutorial
2. Security
3. RSA

using System;
using System.IO;
using System.Security.Cryptography;

class MainClass
{
  public static void Main() 
  {
    RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();

    Byte[] testData = {1, 2, 3, 4, 5, 6, 7, 8};

    Byte[] encryptedData = rsa.Encrypt(testData, false);
    Console.WriteLine("Encrypted data:");
    for(int i=0; i<encryptedData.GetLength(0); i++)
    {
      Console.Write("{0} ", encryptedData[i]);
    }

    Byte[] decryptedData = rsa.Decrypt(encryptedData, false);
    Console.WriteLine("Decrypted Data:");
    for(int i=0; i<decryptedData.GetLength(0); i++)
    {
      Console.Write("{0} ", decryptedData[i]);
    }
  }

}

Encrypted data:
105 216 155 138 34 149 122 27 220 172 6 69 23 21 224 142 30 166 81 141 15 234 144 235 122 187 99 245
 222 252 154 234 211 79 251 80 253 221 94 91 222 86 225 17 0 96 161 179 155 251 123 140 38 6 161 78
111 193 19 222 251 74 172 104 100 61 39 106 113 67 69 45 237 47 194 189 62 168 98 230 196 149 249 11
3 29 19 66 10 84 73 110 142 142 255 120 138 200 207 79 190 151 164 53 4 198 254 78 203 86 102 233 10
7 216 13 41 166 125 155 58 48 214 27 116 93 211 176 191 183 Decrypted Data:
1 2 3 4 5 6 7 8