private static void PrintAnswer(EncAnswerItem answer)
{
Console.WriteLine(string.Empty);
Console.WriteLine("********* Factors *********");
//Console.WriteLine($"Factor1:{answer.Factor1}");
//Console.WriteLine($"Factor2:{answer.Factor2}");
Console.WriteLine(string.Empty);
var context = SEALUtils.GetContext();
var ciphertextPrime = SEALUtils.BuildCiphertextFromBase64String(answer.Prime, context);
var ciphertextFactor1 = SEALUtils.BuildCiphertextFromBase64String(answer.Factor1, context);
var ciphertextFactor2 = SEALUtils.BuildCiphertextFromBase64String(answer.Factor2, context);
var publicKey = SEALUtils.BuildPublicKeyFromBase64String(answer.PublicKey, context);
var secretKey = SEALUtils.BuildSecretKeyFromBase64String(answer.SecretKey, context);
Ciphertext temp = new Ciphertext();
Evaluator _evaluator = new Evaluator(context);
Encryptor encryptor = new Encryptor(context, publicKey);
_evaluator.Multiply(ciphertextFactor1, ciphertextFactor2, temp);
var tempstring = SEALUtils.CiphertextToBase64String(temp);
if (tempstring.Equals(answer.Prime))
{
Console.WriteLine("the answer is right!");
}
else
{
var plain = new Plaintext();
Console.WriteLine("the answer is wrong");
Decryptor _decryptor = new Decryptor(context, secretKey);
_decryptor.Decrypt(ciphertextPrime, plain);
PrintAnswer(plain.ToString());
encryptor.Encrypt(plain, temp);
if (!SEALUtils.CiphertextToBase64String(temp).Equals(SEALUtils.CiphertextToBase64String(ciphertextPrime)))
{
Console.WriteLine(SEALUtils.CiphertextToBase64String(ciphertextFactor2).Substring(0, 100));
Console.WriteLine(SEALUtils.CiphertextToBase64String(ciphertextFactor1).Substring(0, 100));
}
Console.WriteLine(_decryptor.InvariantNoiseBudget(temp));
_decryptor.Decrypt(temp, plain);
PrintAnswer(plain.ToString());
//_decryptor.Decrypt(ciphertextFactor1, plain);
//PrintAnswer(plain.ToString());
//_decryptor.Decrypt(ciphertextFactor2, plain);
//PrintAnswer(plain.ToString());
}
}
public MetricsController()
{
// Initialize context
// Getting context from Commons project
_sealContext = SEALUtils.GetContext();
// Initialize key generator and encryptor
// Initialize key Generator that will be use to get the Public and Secret keys
_keyGenerator = new KeyGenerator(_sealContext);
// Initializing encryptor
_encryptor = new Encryptor(_sealContext, _keyGenerator.PublicKey);
// Initialize evaluator
_evaluator = new Evaluator(_sealContext);
}
static async Task Main(string[] args)
{
Console.WriteLine("SEAL LAB");
Console.WriteLine("Setting up encryption...\n");
// Add Initialization code here
_context = SEALUtils.GetContext();
// Add keys code here
var keys = await FitnessTrackerClient.GetKeys();
// Create encryptor
var publicKey = SEALUtils.BuildPublicKeyFromBase64String(keys.PublicKey, _context);
_encryptor = new Encryptor(_context, publicKey);
// Create decryptor
var secretKey = SEALUtils.BuildSecretKeyFromBase64String(keys.SecretKey, _context);
_decryptor = new Decryptor(_context, secretKey);
while (true)
{
PrintMenu();
var option = Convert.ToInt32(Console.ReadLine());
switch (option)
{
case 1:
await SendNewRun();
break;
case 2:
await GetMetrics();
break;
}
}
}
public PrimeController()
{
_sealContext = SEALUtils.GetContext();
_keyGenerator = new KeyGenerator(_sealContext);
_encryptor = new Encryptor(_sealContext, _keyGenerator.PublicKey);
}
