public void TestSignatureRightLinks()
{
KsiSignature signature = TestUtil.GetSignature(Resources.KsiSignature_Ok_Extended);
TestVerificationContext context = new TestVerificationContext()
{
Signature = signature,
ExtendedCalendarHashChain = signature.CalendarHashChain
};
Verify(context, VerificationResultCode.Ok);
}
public void TestSignatureExtendedCalendarHashChainRootHash()
{
// Check signature
KsiSignature signature = TestUtil.GetSignature(Resources.KsiSignature_Ok_With_Publication_Record);
TestVerificationContext context = new TestVerificationContext()
{
Signature = signature,
ExtendedCalendarHashChain = signature.CalendarHashChain
};
Verify(context, VerificationResultCode.Ok);
}
public void TestSignatureExtendedCalendarHashChainLengthDiffers()
{
KsiSignature signature = TestUtil.GetSignature(Resources.KsiSignature_Ok_Extended);
TlvTagBuilder builder = GetBuilder(signature);
builder.RemoveChildTag(signature.CalendarHashChain[signature.CalendarHashChain.Count - 1]);
TestVerificationContext context = new TestVerificationContext()
{
Signature = signature,
ExtendedCalendarHashChain = new CalendarHashChain(builder.BuildTag())
};
Verify(context, VerificationResultCode.Fail, VerificationError.Cal04);
}
public void TestSignatureExtendedCalendarHashChainElementDiffers()
{
KsiSignature signature = TestUtil.GetSignature(Resources.KsiSignature_Ok_Extended);
TlvTagBuilder builder = GetBuilder(signature);
builder.ReplaceChildTag(signature.CalendarHashChain[signature.CalendarHashChain.Count - 1],
new RawTag((uint)LinkDirection.Right, false, false, Base16.Decode("01580192B0D06E48884432DFFC26A67C6C685BEAF0252B9DD2A0B4B05D1724C5F2")));
TestVerificationContext context = new TestVerificationContext()
{
Signature = signature,
ExtendedCalendarHashChain = new CalendarHashChain(builder.BuildTag())
};
Verify(context, VerificationResultCode.Fail, VerificationError.Cal04);
}
private static TlvTagBuilder GetBuilder(KsiSignature signature)
{
TlvTagBuilder builder = new TlvTagBuilder(Constants.CalendarHashChain.TagType, false, false);
foreach (ITlvTag child in signature.CalendarHashChain)
{
CalendarHashChain.Link link = child as CalendarHashChain.Link;
if (link != null && link.Type == (uint)LinkDirection.Right)
{
// add a left link, this does not make the verification to fail.
builder.AddChildTag(new RawTag((uint)LinkDirection.Left, false, false, Base16.Decode("01580192B0D06E48884432DFFC26A67C6C685BEAF0252B9DD2A0B4B05D1724C5F2")));
}
builder.AddChildTag(child);
}
return(builder);
}
