public bool SetMetadata(UnicastClue UnicastClue)
{
lock (_lockObject)
{
var now = DateTime.UtcNow;
if (UnicastClue == null ||
UnicastClue.Type == null ||
UnicastClue.Signature == null ||
UnicastClue.Signature.Hash.Value.Length == 0 ||
string.IsNullOrWhiteSpace(UnicastClue.Signature.Name) ||
(UnicastClue.CreationTime.ToDateTime() - now).TotalMinutes > 30 ||
UnicastClue.Certificate == null)
{
return(false);
}
if (!_UnicastClues.TryGetValue(UnicastClue.Type, out var dic))
{
dic = new Dictionary <OmniSignature, Dictionary <OmniSignature, HashSet <UnicastClue> > >();
_UnicastClues[UnicastClue.Type] = dic;
}
if (!dic.TryGetValue(UnicastClue.Signature, out var dic2))
{
dic2 = new Dictionary <OmniSignature, HashSet <UnicastClue> >();
dic[UnicastClue.Signature] = dic2;
}
var signature = UnicastClue.Certificate.GetOmniSignature();
if (!dic2.TryGetValue(signature, out var hashset))
{
hashset = new HashSet <UnicastClue>();
dic2[signature] = hashset;
}
if (!hashset.Contains(UnicastClue))
{
if (!UnicastClue.VerifyCertificate())
{
return(false);
}
hashset.Add(UnicastClue);
}
return(true);
}
}
public bool VerifyCertificate()
{
var hub = new Hub();
try
{
var target = new UnicastClue(this.Type, this.Signature, this.CreationTime, this.Clue, null);
target.Export(hub.Writer, BufferPool.Shared);
hub.Writer.Complete();
var result = this.Certificate.Verify(hub.Reader.GetSequence());
hub.Reader.Complete();
return(result);
}
finally
{
hub.Reset();
}
}
public static UnicastClue Create(string type, OmniSignature signature, Timestamp creationTime, Clue clue, OmniDigitalSignature digitalSignature)
{
var hub = new Hub();
try
{
var target = new UnicastClue(type, signature, creationTime, clue, null);
target.Export(hub.Writer, BufferPool.Shared);
hub.Writer.Complete();
var certificate = OmniCertificate.Create(digitalSignature, hub.Reader.GetSequence());
hub.Reader.Complete();
return(new UnicastClue(type, signature, creationTime, clue, certificate));
}
finally
{
hub.Reset();
}
}
