public void RSANumberDecryptionTest(int message, int privateKey, int commonKey, int encrypted)
{
// public key = -1, we won't need it for decryption!
var rsaKey = new RivestShamirAdleman(privateKey, -1, commonKey);
Assert.AreEqual(new BigInteger(message), rsaKey.Decrypt(encrypted));
}
public void RSATest()
{
var rsaKey = new RivestShamirAdleman();
TestContext.WriteLine(
$"privateKey: {rsaKey.PrivateKey}, publicKey: {rsaKey.PublicKey}, commonKey: {rsaKey.CommonKey}");
var encrypted = rsaKey.Encrypt("topSecret123");
TestContext.WriteLine(encrypted);
Assert.AreEqual("topSecret123", rsaKey.Decrypt(encrypted));
}
// TODO Fix RSA algorithm for longer numbers
// [TestCase(7)]
// [TestCase(8)]
// [TestCase(9)]
// [TestCase(10)]
// [TestCase(20)]
// [TestCase(100)]
public void RSAKeyPairGenerationTest(int messageLength)
{
for (var i = 0; i < 5; i++)
{
var rsaKey = new RivestShamirAdleman();
for (var j = 0; j < 10; j++)
{
var number = BigInteger.Parse(GenerateRandomNumberString(messageLength));
var encrypted = rsaKey.Encrypt(number);
var decrypted = rsaKey.Decrypt(encrypted);
TestContext.WriteLine(
$"privateKey: {rsaKey.PrivateKey}, publicKey: {rsaKey.PublicKey}, commonKey: {rsaKey.CommonKey}");
TestContext.WriteLine($"input: {number}, encrypted: {encrypted}, decrypted: {decrypted}");
Assert.AreEqual(number, decrypted);
}
}
}