private static void Send()
{
var sender = new RSACipher()
{
RSAKey = @"<RSAKeyValue><Modulus>9M6YCj/zHjbZibpZuk0As88tu7gcCD6krBkVrVHYapHcX27N3/zwCz9N/r7XH8/j8Shh6Ed5aAls5/9JU6f8cfYiY4/92J8sazQHMia60Lcf29lpICoHa3JPVR/NhJE+fxV+sNerJiY6ke38RZwPbYg8617YiAP9+7plAvOfpsk=</Modulus><Exponent>AQAB</Exponent><P>/y1x4BRX96YZ9LmKvedqG+eXZS5TuwzEpIkn6gHYiTtJqtH8glMK6KRN7SEMyLwaJ6A5Y6So/odAFzCzhz1OLQ==</P><Q>9ZiXj9eSX48NYY73P7kPN0FIOpLf0IaK3VLfS2FU80xx80uzsgBtNdX/UVM2HXtizYbf6e4oygNVL53Lc6D4jQ==</Q><DP>9f4PSx8RdlGPsBW1pECUT/ZAQnAYk7dJUfxOmA3TeufGqn/n1pLLb14FKVW1B0YeSJjy+hXgPA6SQEjYqMT2uQ==</DP><DQ>RYXEobtsfBCKwSsvYqKIZCPexnX9VZJAjRaAj14mJhllyHGNlL36LFs/w03C6+WZuoSLrjT05vq6ipgol7rhoQ==</DQ><InverseQ>BFZgYzS9g72iNbZb9CJa0RPAxu3DVnInj9Z85GX1BX9VEwtFsnqPdrP5094T96UJ9qx4GVCw3lffWGc560gkhQ==</InverseQ><D>vnbiCc95ar+H/sUSvITekAcX8N4sSSnb2t3lZKSx+TAkwccmvCdB565IE3QNUX3gPaeKjTrWtV/n8JRJS6H+IHKelKww5y/srEug6dQA348yAUkmYk1hzr8EJtHEDJ5cF7YQrXtoY0k6iPX8nwc1y8HUD01K7J5SiZpSt7jZUtE=</D></RSAKeyValue>",
PublicKey = @"<RSAKeyValue><Modulus>qWW2CtvSG0DqjEkb3BJq1xGgMsz/ReU8Ox34/1hE8A8pQeW0wsX2r8gkOBj5SAtEV2CN7fZMam/W06B0hcgxy0HAxXYsjxtWE0lXGw6f6P5VFyfZmNjj3X5URr6Kmxt0M2c/bs6pU3PwYcfxKAjzaZ7BiSgKGlosjDZrVUP/9kk=</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>"
};
var receiver = new RSACipher()
{
PublicKey = @"<RSAKeyValue><Modulus>9M6YCj/zHjbZibpZuk0As88tu7gcCD6krBkVrVHYapHcX27N3/zwCz9N/r7XH8/j8Shh6Ed5aAls5/9JU6f8cfYiY4/92J8sazQHMia60Lcf29lpICoHa3JPVR/NhJE+fxV+sNerJiY6ke38RZwPbYg8617YiAP9+7plAvOfpsk=</Modulus><Exponent>AQAB</Exponent></RSAKeyValue>",
RSAKey = @"<RSAKeyValue><Modulus>qWW2CtvSG0DqjEkb3BJq1xGgMsz/ReU8Ox34/1hE8A8pQeW0wsX2r8gkOBj5SAtEV2CN7fZMam/W06B0hcgxy0HAxXYsjxtWE0lXGw6f6P5VFyfZmNjj3X5URr6Kmxt0M2c/bs6pU3PwYcfxKAjzaZ7BiSgKGlosjDZrVUP/9kk=</Modulus><Exponent>AQAB</Exponent><P>4ugiHEYxb7v2AoHQuKhTfUzz4c0ZJOOMDirKglW74SpZs8dzzdeQaRBT8yNhr7JqH4ed8wyNWlkQM7EtteLZtQ==</P><Q>vx3rAOl3olpueHBpcFdOg/f2zutoRIsp3koFKOHUSL9UxXKxzHSR2vsGox+TpTQp0q3B/24Ws0TStVwdVOF2xQ==</Q><DP>JoD/sM6UewJpR5mhwoQFzuBtDicQmjrmvEy0mpNT02ytVh2FYCuxPLLhnAOoAvmCmqEXw3Og1PECF9N8Dz5UdQ==</DP><DQ>eVGClmed29/P9IBXTkr9umQzthJVc/1rLIKMV/FTEoLySwyNtR3iYMGs6uvmi55bVjOazIyTuGTd5OZ+cB1XiQ==</DQ><InverseQ>BRQ334pJQSE8+PN8DLTh7wqDJYYNMBbn+hTBZATTFcIk9lBEaIB2Hu/fsain+6lPQOum8j/7ZONIV0ou5yzAIg==</InverseQ><D>W3GOjdoQV6n5c3Vb1rcSebsIEaRcAS04EGmjqqPJwxVMHkiUBbi77DRMaQQCPYPnhouW0mhs4+AvxdoOTNG/HqpdL3rKOpuvhvvftRAAL5IYkwhUEsSWJ6A1U6BY6cVuE0gyDkx4Kj9CkVmeQby0WPxmRTCmmyPEt1wOcdJngqE=</D></RSAKeyValue>"
};
/*--------------------------------------------------------------------------------------
* From sender to receiver
* --------------------------------------------------------------------------------------*/
DigitalSignatureResult msg = sender.ConstructMessage("This message is digitally signed");
Console.WriteLine(msg.CipherText);
Console.WriteLine(msg.SignatureText);
String decryptedText = receiver.ExtractMessage(msg);
Console.WriteLine(decryptedText);
Console.ReadKey();
}
/// <summary>
/// Decrypts a message and verifies it's signature
/// </summary>
/// <param name="signatureResult"></param>
/// <returns></returns>
public string ExtractMessage(DigitalSignatureResult signatureResult)
{
// Get message bytes
byte[] cipherTextBytes = Convert.FromBase64String(signatureResult.CipherText);
byte[] signatureBytes = Convert.FromBase64String(signatureResult.SignatureText);
byte[] recomputedHash = ComputeHashForMessage(cipherTextBytes);
VerifySignature(recomputedHash, signatureBytes);
byte[] messageBytes = GetDecryptor().Decrypt(cipherTextBytes, false);
return(Encoding.UTF8.GetString(messageBytes));
}
