diff options
Diffstat (limited to 'crypto/src/tsp')
| -rw-r--r-- | crypto/src/tsp/TimeStampTokenGenerator.cs | 77 |
1 files changed, 76 insertions, 1 deletions
diff --git a/crypto/src/tsp/TimeStampTokenGenerator.cs b/crypto/src/tsp/TimeStampTokenGenerator.cs index ae4a0caeb..5badcfdd0 100644 --- a/crypto/src/tsp/TimeStampTokenGenerator.cs +++ b/crypto/src/tsp/TimeStampTokenGenerator.cs @@ -1,7 +1,9 @@ using System; using System.Collections; using System.IO; +using System.Text; using Org.BouncyCastle.Asn1; +using Org.BouncyCastle.Asn1.Cms; using Org.BouncyCastle.Asn1.Ess; using Org.BouncyCastle.Asn1.Oiw; using Org.BouncyCastle.Asn1.Pkcs; @@ -17,6 +19,11 @@ using Org.BouncyCastle.X509.Store; namespace Org.BouncyCastle.Tsp { + public enum Resolution + { + R_SECONDS, R_TENTHS_OF_SECONDS, R_HUNDREDTHS_OF_SECONDS, R_MILLISECONDS + } + public class TimeStampTokenGenerator { private int accuracySeconds = -1; @@ -31,6 +38,14 @@ namespace Org.BouncyCastle.Tsp private SignerInfoGenerator signerInfoGenerator; IDigestFactory digestCalculator; + private Resolution resolution = Resolution.R_SECONDS; + + public Resolution Resolution + { + get { return resolution; } + set { resolution = value; } + } + /** * basic creation - only the default attributes will be included here. */ @@ -289,8 +304,18 @@ namespace Org.BouncyCastle.Tsp tsaPolicy = new DerObjectIdentifier(request.ReqPolicy); } + DerGeneralizedTime generalizedTime; + if (resolution != Resolution.R_SECONDS) + { + generalizedTime = new DerGeneralizedTime(createGeneralizedTime(genTime)); + } else + { + generalizedTime = new DerGeneralizedTime(genTime); + } + + TstInfo tstInfo = new TstInfo(tsaPolicy, messageImprint, - new DerInteger(serialNumber), new DerGeneralizedTime(genTime), accuracy, + new DerInteger(serialNumber), generalizedTime, accuracy, derOrdering, nonce, tsa, request.Extensions); try @@ -333,6 +358,56 @@ namespace Org.BouncyCastle.Tsp // } } + private string createGeneralizedTime(DateTime genTime) + { + String format = "yyyyMMddHHmmss.fff"; + + StringBuilder sBuild = new StringBuilder(genTime.ToString(format)); + int dotIndex = sBuild.ToString().IndexOf("."); + + if (dotIndex <0) + { + sBuild.Append("Z"); + return sBuild.ToString(); + } + + switch(resolution) + { + case Resolution.R_TENTHS_OF_SECONDS: + if (sBuild.Length > dotIndex + 2) + { + sBuild.Remove(dotIndex + 2, sBuild.Length-(dotIndex+2)); + } + break; + case Resolution.R_HUNDREDTHS_OF_SECONDS: + if (sBuild.Length > dotIndex + 3) + { + sBuild.Remove(dotIndex + 3, sBuild.Length-(dotIndex+3)); + } + break; + + + case Resolution.R_SECONDS: + case Resolution.R_MILLISECONDS: + // do nothing. + break; + + } + + + while (sBuild[sBuild.Length - 1] == '0') + { + sBuild.Remove(sBuild.Length - 1,1); + } + + if (sBuild.Length - 1 == dotIndex) + { + sBuild.Remove(sBuild.Length - 1, 1); + } + + sBuild.Append("Z"); + return sBuild.ToString(); + } private class TableGen : CmsAttributeTableGenerator { |