private static void TestSignature(string sourceFile, string signatureFile)
{
var rsa = new RsaCryptosystem(new PrimeNumberGenerator(new MillerRabinTest()));
var keys = rsa.GenerateKeys();
var file = File.ReadAllBytes(sourceFile);
var digitalSignature = new DigitalSignature(new Hasher());
File.WriteAllBytes(signatureFile, digitalSignature.Sign(file, keys.publicKey));
var signature = File.ReadAllBytes(signatureFile);
var result = digitalSignature.CheckSign(file, signature, keys.privateKey);
Console.WriteLine("check = {0}", result);
}
private static void TestFileRsa(string sourceFile, string encryptedFile, string decryptedFile)
{
var rsa = new RsaCryptosystem(new PrimeNumberGenerator(new MillerRabinTest()));
Stopwatch watch = new Stopwatch();
var message = File.ReadAllBytes(sourceFile);
watch.Start();
var keys = rsa.GenerateKeys();
var publicKeySerializer = new XmlSerializer(typeof(CandPCI_4.RSA.PublicKey));
using (var file = File.OpenWrite(sourceFile + ".public"))
publicKeySerializer.Serialize(file, keys.publicKey);
var privateKeySerializer = new XmlSerializer(typeof(CandPCI_4.RSA.PrivateKey));
using (var file = File.OpenWrite(sourceFile + ".private"))
privateKeySerializer.Serialize(file, keys.privateKey);
var privateComponentsSerializer = new XmlSerializer(typeof(CandPCI_4.RSA.PrivateComponents));
using (var file = File.OpenWrite(sourceFile + ".components"))
privateComponentsSerializer.Serialize(file, keys.privateComponents);
watch.Stop();
Console.WriteLine("Keys generation time = {0}", watch.ElapsedMilliseconds);
watch.Reset();
//var d = keys.privateKey.d;
//var e = keys.publicKey.e;
//keys.privateKey.d = e;
//keys.publicKey.e = d;
watch.Start();
var encrypted = rsa.Encrypt(message, keys.publicKey);
watch.Stop();
File.WriteAllBytes(encryptedFile, encrypted);
Console.WriteLine("Encryption time = {0}", watch.ElapsedMilliseconds);
encrypted = File.ReadAllBytes(encryptedFile);
watch.Reset();
watch.Start();
//var decrypted = rsa.Decrypt(encrypted, keys.privateKey, keys.publicKey);
var decrypted = rsa.Decrypt(encrypted, keys.privateKey);
watch.Stop();
Console.WriteLine("Decryption time = {0}", watch.ElapsedMilliseconds);
File.WriteAllBytes(decryptedFile, decrypted);
}