public void TestSafeIntEncryptionMinPlusTwo()
{
int initial = FPEWrapper.MinAllowedSafeInt + 2;
var encryptedValue = FPEWrapper.EncryptSafeInt(key, tweak, initial);
var decryptedValue = FPEWrapper.DecryptSafeInt(key, tweak, encryptedValue);
Assert.AreEqual(initial, decryptedValue);
}
public void TestSafeIntEncryptionMinusOne()
{
int initial = -1;
var encryptedValue = FPEWrapper.EncryptSafeInt(key, tweak, initial);
var decryptedValue = FPEWrapper.DecryptSafeInt(key, tweak, encryptedValue);
Assert.AreEqual(initial, decryptedValue);
}
public void StressTestSafeIntEncryption()
{
Random r = new Random();
int times = 10000;
for (int i = 0; i < times; i++)
{
int plain = r.Next(FPEWrapper.MinAllowedSafeInt, FPEWrapper.MaxAllowedSafeInt);
var encryptedValue = FPEWrapper.EncryptSafeInt(key, tweak, plain);
var decryptedValue = FPEWrapper.DecryptSafeInt(key, tweak, encryptedValue);
Console.WriteLine($"Src:{plain}, Dest:{decryptedValue}");
Assert.AreEqual(plain, decryptedValue);
}
}