public void SetUp()
{
var pkg = new PublicKeyGenerator();
_alice = pkg.MakeKeyPair();
_bob = pkg.MakeKeyPair();
//encrypting from bob -> alice
_forEncryption = new KeyPair(_alice.Public, _bob.Private);
_forDecryption = new KeyPair(_bob.Public, _alice.Private);
}
public void Bob()
{
var aliceKeyPair = new PublicKeyGenerator().MakeKeyPair();
var bobKeyPair = new PublicKeyGenerator().MakeKeyPair();
var crypto = new RsaCryptographyService();
var message = "ch";
//message from bob to alice - encrypt with alice public key - sign with bob's private key
var keyPair = new KeyPair(aliceKeyPair.Public, bobKeyPair.Private);
var cipherText = crypto.SignAndEncrypt(keyPair, message);
Console.WriteLine(cipherText);
//message received - decrypt with alice private - verify with bob's public key
var k2 = new KeyPair(bobKeyPair.Public, aliceKeyPair.Private);
var clear = crypto.DecryptAndAuthenticate(k2, cipherText);
Console.WriteLine(clear);
}
public RsaCryptographyService()
{
var publicKeyGenerator = new PublicKeyGenerator();
_rsaCryptoServiceProvider = publicKeyGenerator.GetRsa();
}
public RsaCryptographyService()
{
var publicKeyGenerator = new PublicKeyGenerator();
_rsaCryptoServiceProvider = publicKeyGenerator.GetRsa();
}
public void Bob()
{
var aliceKeyPair = new PublicKeyGenerator().MakeKeyPair();
var bobKeyPair = new PublicKeyGenerator().MakeKeyPair();
var crypto = new RsaCryptographyService();
var message = "ch";
//message from bob to alice - encrypt with alice public key - sign with bob's private key
var keyPair = new KeyPair(aliceKeyPair.Public, bobKeyPair.Private);
var cipherText = crypto.SignAndEncrypt(keyPair, message);
Console.WriteLine(cipherText);
//message received - decrypt with alice private - verify with bob's public key
var k2 = new KeyPair(bobKeyPair.Public, aliceKeyPair.Private);
var clear = crypto.DecryptAndAuthenticate(k2, cipherText);
Console.WriteLine(clear);
}