public void WhenHashAlgorithmIsNotSupported_ThrowsNotSupportedException()
{
var sut = new ECDsaSignatureAlgorithm(new HashAlgorithmName("unsupporteed"), _ecdsa);
Action act = () => sut.ComputeHash("payload");
act.Should().Throw <NotSupportedException>();
}
public void CreatesHash()
{
var sut = new ECDsaSignatureAlgorithm(HashAlgorithmName.SHA384, _ecdsa);
var payload = "_abc_123_";
var actual = sut.ComputeHash(payload);
actual.Should().NotBeNull().And.NotBeEmpty();
}
public ECDsaSignatureAlgorithmTests()
{
_ecdsa = ECDsa.Create();
_publicKeyParams = _ecdsa.ExportParameters(false);
_privateKeyParams = _ecdsa.ExportParameters(true);
_signer = ECDsaSignatureAlgorithm.CreateForSigning(HashAlgorithmName.SHA1, _privateKeyParams);
_verifier = ECDsaSignatureAlgorithm.CreateForVerification(HashAlgorithmName.SHA1, _publicKeyParams);
}
public void CanVerifyWithAlgorithmThatKnowsAboutThePrivateKey()
{
var payload = "_abc_123_";
var signature = _signer.ComputeHash(payload);
var verifier = new ECDsaSignatureAlgorithm(HashAlgorithmName.SHA1, _ecdsa);
var actual = verifier.VerifySignature(payload, signature);
actual.Should().BeTrue();
}
public void CanVerifyWithAlgorithmThatOnlyKnowsAboutThePublicKey()
{
var payload = "_abc_123_";
var signature = _signer.ComputeHash(payload);
var verifier = ECDsaSignatureAlgorithm.CreateForVerification(HashAlgorithmName.SHA1, _publicKeyParams);
var actual = verifier.VerifySignature(payload, signature);
actual.Should().BeTrue();
}
public static ISignatureAlgorithm CreateForSigning(ECParameters privateParameters, HashAlgorithmName hashAlgorithm)
{
return(ECDsaSignatureAlgorithm.CreateForSigning(hashAlgorithm, privateParameters));
}
public static ISignatureAlgorithm CreateForVerification(ECParameters publicParameters, HashAlgorithmName hashAlgorithm)
{
return(ECDsaSignatureAlgorithm.CreateForVerification(hashAlgorithm, publicParameters));
}