public void RoundTripTest()
{
var AliceKeys = new SigningKeyPair(new PrivateSecretKey(K_PRI_ALICE), new PublicKey(K_PUB_ALICE));
var pen = new Signer(AliceKeys.Secret);
var signature = pen.Sign(MESSAGE);
Assert.IsTrue(signature.Verify(MESSAGE, AliceKeys.Public));
}
/// <inheritdoc/>
public override SigningKeyPair GenerateKeyPair()
{
SigningKeyPair keyPair = new SigningKeyPair(new byte[32],new byte[64]);
if(NativeLibsodium.crypto_sign_keypair(keyPair.publicKey,keyPair.secretKey) != 0)
throw new Exception("Could not create new KeyPair");
keyPair.algorythm = this;
return keyPair;
}
public void RoundTripTest_WrongMessage()
{
var AliceKeys = new SigningKeyPair(new PrivateSecretKey(K_PRI_ALICE), new PublicKey(K_PUB_ALICE));
var BobsPubKey = new PublicKey(K_PUB_BOB);
var pen = new Signer(AliceKeys.Secret);
var signature = pen.Sign(MESSAGE);
Assert.IsFalse(signature.Verify(MESSAGE_CHANGED, BobsPubKey));
}
public void NullParamterTest()
{
var keyPair = new SigningKeyPair(new PrivateSecretKey(K_PRI_ALICE), new PublicKey(K_PUB_ALICE));
Assert.ThrowsException <ArgumentNullException>(() => new Signer(null));
var pen = new Signer(keyPair.Secret);
Assert.ThrowsException <ArgumentNullException>(() => pen.Sign(str: null));
Assert.ThrowsException <ArgumentNullException>(() => pen.Sign(str: ""));
Assert.ThrowsException <ArgumentNullException>(() => pen.Sign(data: null));
Assert.ThrowsException <ArgumentNullException>(() => pen.Sign(data: new byte[0]));
}
public void RoundTripTest_Tampered()
{
var AliceKeys = new SigningKeyPair(new PrivateSecretKey(K_PRI_ALICE), new PublicKey(K_PUB_ALICE));
var pen = new Signer(AliceKeys.Secret);
var signature = pen.Sign(MESSAGE);
for (int i = 0; i < 5; i++)
{
signature.Bytes[i] = 0;
}
Assert.IsFalse(signature.Verify(MESSAGE, AliceKeys.Public));
}
