private static void Test(IAEADCrypto crypto, string nonceHex, string associatedDataHex, string tagHex, string plainHex, string cipherHex)
{
Assert.AreEqual(@"XChaCha20-Poly1305", crypto.Name);
ReadOnlySpan <byte> nonce = nonceHex.FromHex();
ReadOnlySpan <byte> associatedData = associatedDataHex.FromHex();
ReadOnlySpan <byte> tag = tagHex.FromHex();
ReadOnlySpan <byte> plain = plainHex.FromHex();
ReadOnlySpan <byte> cipher = cipherHex.FromHex();
Span <byte> o1 = stackalloc byte[plain.Length];
Span <byte> o2 = stackalloc byte[16];
crypto.Encrypt(nonce, plain, o1, o2, associatedData);
Assert.IsTrue(o1.SequenceEqual(cipher));
Assert.IsTrue(o2.SequenceEqual(tag));
crypto.Encrypt(nonce, plain, o1, o2, associatedData);
Assert.IsTrue(o1.SequenceEqual(cipher));
Assert.IsTrue(o2.SequenceEqual(tag));
crypto.Decrypt(nonce, cipher, tag, o1, associatedData);
Assert.IsTrue(o1.SequenceEqual(plain));
crypto.Decrypt(nonce, cipher, tag, o1, associatedData);
Assert.IsTrue(o1.SequenceEqual(plain));
crypto.Dispose();
}
public static void AEADTest(this IAEADCrypto crypto,
string nonceHex, string associatedDataHex, string tagHex,
string plainHex, string cipherHex)
{
ReadOnlySpan <byte> nonce = nonceHex.FromHex();
ReadOnlySpan <byte> associatedData = associatedDataHex.FromHex();
ReadOnlySpan <byte> tag = tagHex.FromHex();
ReadOnlySpan <byte> plain = plainHex.FromHex();
ReadOnlySpan <byte> cipher = cipherHex.FromHex();
Span <byte> o1 = stackalloc byte[plain.Length];
Span <byte> o2 = stackalloc byte[tag.Length];
crypto.Encrypt(nonce, plain, o1, o2, associatedData);
Assert.IsTrue(o1.SequenceEqual(cipher));
Assert.IsTrue(o2.SequenceEqual(tag));
crypto.Encrypt(nonce, plain, o1, o2, associatedData);
Assert.IsTrue(o1.SequenceEqual(cipher));
Assert.IsTrue(o2.SequenceEqual(tag));
crypto.Decrypt(nonce, cipher, tag, o1, associatedData);
Assert.IsTrue(o1.SequenceEqual(plain));
crypto.Decrypt(nonce, cipher, tag, o1, associatedData);
Assert.IsTrue(o1.SequenceEqual(plain));
crypto.Dispose();
}
private void TestEncrypt(IAEADCrypto crypto)
{
Span <byte> o = stackalloc byte[Length];
Span <byte> tag = stackalloc byte[16];
crypto.Encrypt(_randomIv.Span, _randombytes.Span, o, tag);
crypto.Dispose();
}
public static void Test(IAEADCrypto crypto, int nonceLength = 12)
{
ReadOnlySpan <byte> i = new byte[Step];
Span <byte> o = new byte[Step];
ReadOnlySpan <byte> nonce = IV.Slice(0, nonceLength);
Span <byte> tag = stackalloc byte[16];
var sw = Stopwatch.StartNew();
var length = 0ul;
do
{
crypto.Encrypt(nonce, i, o, tag);
++length;
} while (sw.ElapsedMilliseconds < 2000);
sw.Stop();
crypto.Dispose();
var result = length * Step / sw.Elapsed.TotalSeconds / 1024.0 / 1024.0;
Console.WriteLine($@"{result:F2} MB/s");
}
private void InitCipher()
{
_crypto?.Dispose();
_crypto = CreateSessionCrypto();
}