public void TestDiffieHelman(ElipticCurve curve, int iterations)
{
ECKeysGenerator keyGen = new ECKeysGenerator(curve);
ECDiffieHelman diffie = new ECDiffieHelman(curve);
//generovanie klucoveho paru
byte[] privateKeyAlice;
byte[] publicKeyAlice;
byte[] privateKeyBob;
byte[] publicKeyBob;
for (int i = 0; i < iterations; i++)
{
Console.WriteLine($"diffie-helman curve {curve.Name} test {i}... ");
keyGen.GenerateKeyPair(out privateKeyAlice, out publicKeyAlice);
keyGen.GenerateKeyPair(out privateKeyBob, out publicKeyBob);
string commnonAlices = Convert.ToBase64String(diffie.SharedSecret(privateKeyAlice, publicKeyBob));
string commnonBobs = Convert.ToBase64String(diffie.SharedSecret(privateKeyBob, publicKeyAlice));
Console.WriteLine(commnonAlices);
if (commnonAlices != commnonBobs)
{
throw new Exception("Fatal Error");
}
Write("OK", ConsoleColor.Green);
}
}
/// <summary>
/// initialise updater.
/// </summary>
/// <param name="updateDir"></param>
public UpdateController(string updateDir, TroubleShooterClient client)
{
this._client = client;
_updateDir = updateDir;
ElipticCurve curve = ElipticCurve.secp160r1();
_keyGen = new ECKeysGenerator(curve);
_verifier = new ECSignature(curve);
_diffieHelman = new ECDiffieHelman(curve);
}
/// <summary>
/// <see cref="TroubleshooterController"/>
/// </summary>
public TroubleshooterController(ServisContext ctx)
{
this.ctx = ctx;
ElipticCurve curve = ElipticCurve.secp160r1();
signatureMaker = new ECSignature(curve);
keyGen = new ECKeysGenerator(curve);
diffieHelman = new ECDiffieHelman(curve);
sourceFiles = SourceFileInfoBuilder.GetSourceFiles(SOURCE_FILES_DIR);
rnd = new Random();
}
public void TestSignature(ElipticCurve curve, int iterations)
{
ECKeysGenerator keyGen = new ECKeysGenerator(curve);
ECSignature signature = new ECSignature(curve);
for (int i = 0; i < iterations; i++)
{
Console.WriteLine($"signature curve {curve.Name} test {i}... ");
//generovanie klucoveho paru
byte[] privateKey1;
byte[] publicKey1;
keyGen.GenerateKeyPair(out privateKey1, out publicKey1);
byte[] privateKey2;
byte[] publicKey2;
keyGen.GenerateKeyPair(out privateKey2, out publicKey2);
string str1 = RandomString(random.Next(100));
string str2 = RandomString(random.Next(100));
while (str1 == str2)
{
str2 = RandomString(random.Next(100));
}
byte[] sign1 = signature.Signature(str1, privateKey1);
byte[] sign2 = signature.Signature(str2, privateKey1);
Console.WriteLine(Convert.ToBase64String(sign1));
if (!signature.VerifySignature(str1, sign1, publicKey1))
{
Write($"Signature should be valid !!! ", ConsoleColor.Red);
throw new Exception("Fatal error");
}
if (signature.VerifySignature(str1, sign1, publicKey2))
{
Write($"Signature should not be valid because of wrong public key !!!", ConsoleColor.DarkYellow);
}
if (signature.VerifySignature(str2, sign1, publicKey1))
{
Console.WriteLine();
Write($"Signature should not be valid because of changed message!!!", ConsoleColor.DarkYellow);
}
else
{
Write("OK", ConsoleColor.Green);
}
}
}
public void TestEncryption(ElipticCurve curve, int iterations, Encoding enc)
{
ECKeysGenerator keyGen = new ECKeysGenerator(curve);
ECEncryption crypto = new ECEncryption(curve);
//generovanie klucoveho paru
byte[] privateKey;
byte[] publicKey;
for (int i = 0; i < iterations; i++)
{
Console.WriteLine($"encrtyption curve {curve.Name} test {i}... ");
keyGen.GenerateKeyPair(out privateKey, out publicKey);
string test = RandomString(random.Next(100));
byte[] cipher = crypto.Encrypt(test, publicKey, enc);
Console.WriteLine(Convert.ToBase64String(cipher));
string decoded = crypto.Decrypt(cipher, privateKey, enc);
if (test != decoded)
{
throw new Exception("Fatal Error");
}
Write("OK", ConsoleColor.Green);
}
}
