private void InitCipher()
{
this.aadLength = 0;
poly.Reset();
chacha20.Reset();
chacha20.AddOne();
data.SetLength(0);
if (initialAssociatedText != null)
{
ProcessAadBytes(initialAssociatedText, 0, initialAssociatedText.Length);
}
}
private void InitCipher()
{
_aadLength = 0;
_poly.Reset();
_chacha20.Reset();
_chacha20.AddOne();
_data.SetLength(0);
if (_initialAssociatedText != null)
{
ProcessAadBytes(_initialAssociatedText, 0, _initialAssociatedText.Length);
}
}
private void testReset()
{
CipherKeyGenerator gen = new Poly1305KeyGenerator();
gen.Init(new KeyGenerationParameters(new SecureRandom(), 256));
byte[] k = gen.GenerateKey();
byte[] m = new byte[10000];
byte[] check = new byte[16];
byte[] output = new byte[16];
// Generate baseline
IMac poly = new Poly1305(new AesFastEngine());
poly.Init(new ParametersWithIV(new KeyParameter(k), new byte[16]));
poly.BlockUpdate(m, 0, m.Length);
poly.DoFinal(check, 0);
// Check reset after doFinal
poly.BlockUpdate(m, 0, m.Length);
poly.DoFinal(output, 0);
if (!Arrays.AreEqual(check, output))
{
Fail("Mac not reset after doFinal");
}
// Check reset
poly.Update((byte)1);
poly.Update((byte)2);
poly.Reset();
poly.BlockUpdate(m, 0, m.Length);
poly.DoFinal(output, 0);
if (!Arrays.AreEqual(check, output))
{
Fail("Mac not reset after doFinal");
}
// Check init resets
poly.Update((byte)1);
poly.Update((byte)2);
poly.Init(new ParametersWithIV(new KeyParameter(k), new byte[16]));
poly.BlockUpdate(m, 0, m.Length);
poly.DoFinal(output, 0);
if (!Arrays.AreEqual(check, output))
{
Fail("Mac not reset after doFinal");
}
}