private static async Task GetMetrics()
{
// Get encrypted metrics
var metrics = await FitnessTrackerClient.GetMetrics();
LogUtils.SummaryStatisticInfo("CLIENT", "GetMetrics", metrics);
// Decrypt the data
var ciphertextTotalRuns = SEALUtils.BuildCiphertextFromBase64String(metrics.TotalRuns, _context);
var plaintextTotalRuns = new Plaintext();
_decryptor.Decrypt(ciphertextTotalRuns, plaintextTotalRuns);
var ciphertextTotalDistance = SEALUtils.BuildCiphertextFromBase64String(metrics.TotalDistance, _context);
var plaintextTotalDistance = new Plaintext();
_decryptor.Decrypt(ciphertextTotalDistance, plaintextTotalDistance);
var ciphertextTotalHours = SEALUtils.BuildCiphertextFromBase64String(metrics.TotalHours, _context);
var plaintextTotalHours = new Plaintext();
_decryptor.Decrypt(ciphertextTotalHours, plaintextTotalHours);
// Print metrics in console
PrintMetrics(plaintextTotalRuns.ToString(), plaintextTotalDistance.ToString(), plaintextTotalHours.ToString());
}
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 ActionResult <SummaryItem> GetMetrics()
{
Ciphertext totalDistance = new Ciphertext();
int zero = 0;
Plaintext plainTextZero = new Plaintext($"{zero.ToString("X")}");
_encryptor.Encrypt(plainTextZero, totalDistance);
foreach (var dString in _distances)
{
var cipherString = SEALUtils.BuildCiphertextFromBase64String(dString, _sealContext);
_evaluator.Add(totalDistance, cipherString, totalDistance);
}
Ciphertext totalHours = new Ciphertext();
_encryptor.Encrypt(plainTextZero, totalHours);
foreach (var timeString in _times)
{
var cipherTimeString = SEALUtils.BuildCiphertextFromBase64String(timeString, _sealContext);
_evaluator.Add(totalHours, cipherTimeString, totalHours);
}
Ciphertext totalRuns = new Ciphertext();
Plaintext plainTextTotalRuns = new Plaintext($"{_distances.Count.ToString("X")}");
_encryptor.Encrypt(plainTextTotalRuns, totalRuns);
var summaryItem = new SummaryItem
{
TotalRuns = SEALUtils.CiphertextToBase64String(totalRuns),
TotalDistance = SEALUtils.CiphertextToBase64String(totalDistance),
TotalHours = SEALUtils.CiphertextToBase64String(totalHours)
};
LogUtils.SummaryStatisticInfo("API", "GetMetrics", summaryItem);
LogUtils.SummaryStatisticInfo("API", "GetMetrics", summaryItem, true);
return(summaryItem);
}
