public void TestKsiSignatureExtendWithoutCalendarHashChain()
{
IKsiSignature signature = GetKsiSignatureFromFile(Resources.KsiSignature_Ok);
ArgumentNullException ex = Assert.Throws <ArgumentNullException>(delegate
{
signature.Extend(null);
});
Assert.AreEqual("calendarHashChain", ex.ParamName);
}
public void TestKsiSignatureExtendWithCalendarHashChainHasLessRightLinks()
{
IKsiSignature signature = GetKsiSignatureFromFile(Resources.KsiSignature_Ok);
KsiException ex = Assert.Throws <KsiException>(delegate
{
signature.Extend(GetCalendarHashChain(true));
});
Assert.That(ex.Message, Does.StartWith("Right links of signature calendar hash chain and extended calendar hash chain do not match"), "Unexpected error message");
}
public void TestKsiSignatureExtendWithoutPublicationRecord()
{
IKsiSignature signature = GetKsiSignatureFromFile(Resources.KsiSignature_Ok);
IKsiSignature extendedSignature = signature.Extend(GetCalendarHashChain());
Assert.True(extendedSignature.IsExtended, "IsExtended should be true.");
Assert.AreEqual(1455494400, extendedSignature.PublicationRecord.PublicationData.PublicationTime, "Unexpected publication time");
VerificationResult result = new DefaultVerificationPolicy().Verify(extendedSignature, null, TestUtil.GetPublicationsFile());
Assert.AreEqual(VerificationResultCode.Ok, result.ResultCode, "Unexpected verification result code.");
}
public void TestKsiSignatureExtendWithInvalidCalendarHashChain()
{
IKsiSignature signature = GetKsiSignatureFromFile(Resources.KsiSignature_Ok_AggregationHashChain_Only);
KsiSignatureInvalidContentException ex = Assert.Throws <KsiSignatureInvalidContentException>(delegate
{
signature.Extend(GetCalendarHashChain());
});
Assert.That(ex.Message, Does.StartWith("Signature verification failed"));
Assert.AreEqual(VerificationError.Int03, ex.VerificationResult.VerificationError, "Unexpected verificaton code");
}
/// <summary>
/// Extend signature to publication.
/// </summary>
/// <param name="signature">KSI signature</param>
/// <param name="publicationRecord">publication</param>
/// <returns>extended KSI signature</returns>
public IKsiSignature Extend(IKsiSignature signature, PublicationRecordInSignature publicationRecord)
{
if (signature == null)
{
throw new ArgumentNullException(nameof(signature));
}
if (publicationRecord == null)
{
throw new ArgumentNullException(nameof(publicationRecord));
}
CalendarHashChain calendarHashChain = _ksiService.Extend(signature.AggregationTime, publicationRecord.PublicationData.PublicationTime);
return(signature.Extend(calendarHashChain, publicationRecord, _ksiSignatureFactoryForExtending));
}
public void TestKsiSignatureExtendWithPublicationRecordInSignature()
{
IKsiSignature signature = GetKsiSignatureFromFile(Resources.KsiSignature_Ok);
PublicationRecordInSignature publicationRecord = new PublicationRecordInSignature(false, false, new ITlvTag[]
{
new PublicationData(1455494400, new DataHash(Base16.Decode("011878289E1A333DD85091D30F001B9F6F9ED4D428D57E049BD0EBD4DBC89BD210"))),
new StringTag(Constants.PublicationRecord.PublicationRepositoryUriTagType, false, false, "Test uri (publication record in signature)")
});
IKsiSignature extendedSignature = signature.Extend(GetCalendarHashChain(), publicationRecord);
Assert.True(extendedSignature.IsExtended, "IsExtended should be true.");
Assert.AreEqual(1455494400, extendedSignature.PublicationRecord.PublicationData.PublicationTime, "Unexpected publication time");
VerificationResult result = new DefaultVerificationPolicy().Verify(extendedSignature, null, TestUtil.GetPublicationsFile());
Assert.AreEqual(VerificationResultCode.Ok, result.ResultCode, "Unexpected verification result code.");
Assert.AreEqual("Test uri (publication record in signature)", extendedSignature.PublicationRecord.RepositoryUri[0], "Unexpected repository uri.");
}
public void TestKsiSignatureExtendWithPublicationRecordInPublicationsFile()
{
IKsiSignature signature = GetKsiSignatureFromFile(Resources.KsiSignature_Ok);
byte[] publicationDataBytes =
new PublicationData(1455494400, new DataHash(Base16.Decode("011878289E1A333DD85091D30F001B9F6F9ED4D428D57E049BD0EBD4DBC89BD210"))).Encode();
byte[] uriTagBytes = new StringTag(Constants.PublicationRecord.PublicationRepositoryUriTagType, false, false, "Test uri (publication record in publications file)")
.Encode();
byte[] childBytes = new byte[publicationDataBytes.Length + uriTagBytes.Length];
Array.Copy(publicationDataBytes, childBytes, publicationDataBytes.Length);
Array.Copy(uriTagBytes, 0, childBytes, publicationDataBytes.Length, uriTagBytes.Length);
PublicationRecordInPublicationFile publicationRecord =
new PublicationRecordInPublicationFile(new RawTag(Constants.PublicationRecord.TagTypeInPublicationsFile, false, false, childBytes));
IKsiSignature extendedSignature = signature.Extend(GetCalendarHashChain(), publicationRecord);
Assert.True(extendedSignature.IsExtended, "IsExtended should be true.");
Assert.AreEqual(1455494400, extendedSignature.PublicationRecord.PublicationData.PublicationTime, "Unexpected publication time");
VerificationResult result = new DefaultVerificationPolicy().Verify(extendedSignature, null, TestUtil.GetPublicationsFile());
Assert.AreEqual(VerificationResultCode.Ok, result.ResultCode, "Unexpected verification result code.");
Assert.AreEqual("Test uri (publication record in publications file)", extendedSignature.PublicationRecord.RepositoryUri[0], "Unexpected repository uri.");
}