public Asn1EncodableVector GetTimestamp(byte[] signature)
{
var conf = Config.Timestamp;
var tsc = new TSAClientEx(conf.Url, conf.Username, conf.Password);
tsc.ProxyAddress = conf.ProxyAddress;
tsc.ProxyPassword = conf.ProxyPassword;
tsc.ProxyUsername = conf.ProxyUsername;
byte[] tsImprint = PdfEncryption.DigestComputeHash("SHA1", signature);
//ITSAClient tsc = new TSAClientBouncyCastle("http://tsa.net", null, null);
//return tsc.GetTimeStampToken(null, tsImprint);
String ID_TIME_STAMP_TOKEN = "1.2.840.113549.1.9.16.2.14"; // RFC 3161 id-aa-timeStampToken
Asn1InputStream tempstream = new Asn1InputStream(new MemoryStream(tsc.GetTimeStampToken(tsImprint)));
Asn1EncodableVector unauthAttributes = new Asn1EncodableVector();
Asn1EncodableVector v = new Asn1EncodableVector();
v.Add(new DerObjectIdentifier(ID_TIME_STAMP_TOKEN)); // id-aa-timeStampToken
Asn1Sequence seq = (Asn1Sequence)tempstream.ReadObject();
v.Add(new DerSet(seq));
unauthAttributes.Add(new DerSequence(v));
return unauthAttributes;
}
protected ITSAClient GetTsaClient()
{
var tsa = config.Timestamp;
var tsc = new TSAClientEx(tsa.Url, tsa.Username, tsa.Password);
if (!string.IsNullOrEmpty(tsa.ProxyAddress)) {
tsc.ProxyAddress = tsa.ProxyAddress;
tsc.ProxyUsername = tsa.ProxyUsername;
tsc.ProxyPassword = tsa.ProxyPassword;
}
return tsc;
}
