static void BackdoorSpeedTest(int e, int keyLen, int certainty, string pubKey)
{
byte[] bytes = Encoding.ASCII.GetBytes(SAMPLE);
BigInteger var = new BigInteger(bytes);
Console.WriteLine("[Backdoor] <Speed> test: keyLen = {0}", keyLen);
DateTime start = DateTime.Now;
Rsa backdoored = RsaBackdoor.Inject(BigInteger.ValueOf(e), keyLen, certainty, StrToBytes(pubKey));
BigInteger enc = backdoored.Encrypt(var);
var = backdoored.Decrypt(enc);
TimeSpan timeSpan = DateTime.Now - start;
Console.WriteLine("Time: {0}", timeSpan.TotalMilliseconds);
GC.Collect();
}
static bool BackdoorTest(int e, int keyLen, int certainty, string pubKey, string privKey)
{
Rsa backdoored = RsaBackdoor.Inject(BigInteger.ValueOf(e), keyLen, certainty, StrToBytes(pubKey));
Rsa recovered = RsaBackdoor.Extract(BigInteger.ValueOf(e), backdoored.Params.n, certainty, StrToBytes(privKey));
byte[] result, bytes = Encoding.ASCII.GetBytes(SAMPLE);
BigInteger enc = backdoored.Encrypt(new BigInteger(1, bytes));
try
{
result = recovered.Decrypt(enc).ToByteArray();
}
catch (ArgumentOutOfRangeException)
{
return(false);
}
return(Encoding.ASCII.GetString(result) == SAMPLE);
}