public static void DeriveKeyWithDisposedSecret(KeyDerivationAlgorithm a)
{
var s = SharedSecret.Import(Utilities.RandomBytes.Slice(0, 32));
s.Dispose();
Assert.Throws <ObjectDisposedException>(() => a.DeriveKey(s, ReadOnlySpan <byte> .Empty, ReadOnlySpan <byte> .Empty, AeadAlgorithm.ChaCha20Poly1305));
}
public static void DeriveKeyWithNullAlgorithm(KeyDerivationAlgorithm a)
{
var x = KeyAgreementAlgorithm.X25519;
using var k = new Key(x);
using var s = x.Agree(k, k.PublicKey) !;
Assert.Throws <ArgumentNullException>("algorithm", () => a.DeriveKey(s, ReadOnlySpan <byte> .Empty, ReadOnlySpan <byte> .Empty, null !));
}
public static void DeriveKeySuccess(KeyDerivationAlgorithm a)
{
var x = KeyAgreementAlgorithm.X25519;
var y = AeadAlgorithm.ChaCha20Poly1305;
using var k = new Key(x);
using var s = x.Agree(k, k.PublicKey) !;
using var i = a.DeriveKey(s, ReadOnlySpan <byte> .Empty, ReadOnlySpan <byte> .Empty, y);
Assert.NotNull(k);
Assert.Same(y, i.Algorithm);
}
public static void DeriveKeyWithUnusedSalt(KeyDerivationAlgorithm a)
{
if (!a.SupportsSalt)
{
var x = KeyAgreementAlgorithm.X25519;
using (var k = new Key(x))
using (var s = x.Agree(k, k.PublicKey))
{
Assert.Throws <ArgumentException>("salt", () => a.DeriveKey(s, new byte[1], ReadOnlySpan <byte> .Empty, null));
}
}
}
public static void DeriveKeyWithNullSecret(KeyDerivationAlgorithm a)
{
Assert.Throws <ArgumentNullException>("sharedSecret", () => a.DeriveKey(null, ReadOnlySpan <byte> .Empty, ReadOnlySpan <byte> .Empty, null));
}