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Added another test case to ensure that two different messages produce different signatures

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This commit is contained in:
Thorsten Sommer 2020-01-03 21:29:36 +01:00
parent c538626d12
commit 66ad1b8f7c
1 changed files with 17 additions and 0 deletions
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17
Ed25519 Tests/SignerTests.cs
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@ -71,6 +71,23 @@ namespace Ed25519_Tests
Assert.That(validationResult, Is.False); // Message was altered!
}
[Test]
public void TestSigner05()
{
var messageOriginal = Encoding.UTF8.GetBytes("This is a test message.");
var privateKey = new Span<byte>(new byte[32]);
RandomNumberGenerator.Create().GetBytes(privateKey);
var publicKey = privateKey.ExtractPublicKey();
var signatureOriginal = Signer.Sign(messageOriginal, privateKey, publicKey);
var messageAltered = Encoding.UTF8.GetBytes("This is a test message!");
var signatureAltered = Signer.Sign(messageAltered, privateKey, publicKey);
// Two different messages must produce different signatures!
Assert.That(signatureOriginal.ToArray(), Is.Not.EqualTo(signatureAltered.ToArray()));
}
// See https://tools.ietf.org/html/rfc8032#section-7.1
[Test]
public void TestRFC8032Test01()