public void ExtendToClosestPublication()
{
KSI.Ksi ksi = GetKsi();
// Read an existing signature from file, assume it to be not extended
IKsiSignature signature = LoadUnextendedSignature();
// Extends the signature to the closest publication found in the publications file
// Assumes signature is not extended and at least one publication after
// the signature obtained
IKsiSignature extendedSignature = ksi.Extend(signature);
// Double check if signature was extended
if (extendedSignature.IsExtended)
{
Console.WriteLine("ExtendToClosestPublication > extended to publication > " +
Util.ConvertUnixTimeToDateTime(extendedSignature.PublicationRecord.PublicationData.PublicationTime));
}
else
{
Console.WriteLine("ExtendToClosestPublication > signature not extended");
}
// Store the extended signature
//using (FileStream stream = File.Create("sample-file-for-signing.txt.extended.ksig"))
//{
// extendedSignature.WriteTo(stream);
//}
}
public void ExtendToGivenPublicationDate()
{
KSI.Ksi ksi = GetKsi();
IKsiSignature signature = LoadUnextendedSignature();
PublicationRecordInPublicationFile publicationRecord = ksi.GetPublicationsFile().GetNearestPublicationRecord(new DateTime(2016, 2, 15));
if (publicationRecord == null)
{
Console.WriteLine("ExtendToGivenPublicationDate > no suitable publication yet. signature not extended");
return;
}
Console.WriteLine("ExtendToGivenPublicationDate > trying to extend signature to publication > "
+ Util.ConvertUnixTimeToDateTime(publicationRecord.PublicationData.PublicationTime));
IKsiSignature extendedSignature = ksi.Extend(signature, publicationRecord);
if (extendedSignature.IsExtended)
{
Console.WriteLine("ExtendToGivenPublicationDate > signature extended to publication > "
+ Util.ConvertUnixTimeToDateTime(extendedSignature.PublicationRecord.PublicationData.PublicationTime));
// Store the extended signature
// ...
}
else
{
Console.WriteLine("ExtendToGivenPublicationDate > signature not extended");
}
}
public void ExtendToLatestPublication()
{
KSI.Ksi ksi = GetKsi();
IKsiSignature signature = LoadUnextendedSignature();
PublicationRecordInPublicationFile latestPublicationRecord = ksi.GetPublicationsFile().GetLatestPublication();
if (!signature.IsExtended || signature.PublicationRecord.PublicationData.PublicationTime < latestPublicationRecord.PublicationData.PublicationTime)
{
IKsiSignature extendedSignature = ksi.Extend(signature, latestPublicationRecord);
if (extendedSignature.IsExtended)
{
Console.WriteLine("ExtendToLatestPublication > signature extended to publication > " +
Util.ConvertUnixTimeToDateTime(extendedSignature.PublicationRecord.PublicationData.PublicationTime));
// Store the extended signature
// ...
}
}
}
public void ExtendToGivenPublicationCode()
{
KSI.Ksi ksi = GetKsi();
IKsiSignature signature = LoadUnextendedSignature();
PublicationData publicationData = new PublicationData("AAAAAA-CWYEKQ-AAIYPA-UJ4GRT-HXMFBE-OTB4AB-XH3PT3-KNIKGV-PYCJXU-HL2TN4-RG6SCC-3ZGSBM");
IKsiSignature extendedSignature = ksi.Extend(signature, publicationData);
if (extendedSignature.IsExtended)
{
Console.WriteLine("ExtendToGivenPublicationCode > signature extended to publication > "
+ Util.ConvertUnixTimeToDateTime(extendedSignature.PublicationRecord.PublicationData.PublicationTime));
// Store the extended signature
// ...
}
else
{
Console.WriteLine("ExtendToGivenPublicationCode > signature not extended");
}
}
