1 files changed, 76 insertions, 0 deletions
diff --git a/Crypto/src/asn1/cms/TimeStampedDataParser.cs b/Crypto/src/asn1/cms/TimeStampedDataParser.cs
new file mode 100644
index 000000000..90307bff9
--- /dev/null
+++ b/Crypto/src/asn1/cms/TimeStampedDataParser.cs
@@ -0,0 +1,76 @@
+using System;
+
+namespace Org.BouncyCastle.Asn1.Cms
+{
+ public class TimeStampedDataParser
+ {
+ private DerInteger version;
+ private DerIA5String dataUri;
+ private MetaData metaData;
+ private Asn1OctetStringParser content;
+ private Evidence temporalEvidence;
+ private Asn1SequenceParser parser;
+
+ private TimeStampedDataParser(Asn1SequenceParser parser)
+ {
+ this.parser = parser;
+ this.version = DerInteger.GetInstance(parser.ReadObject());
+
+ Asn1Object obj = parser.ReadObject().ToAsn1Object();
+
+ if (obj is DerIA5String)
+ {
+ this.dataUri = DerIA5String.GetInstance(obj);
+ obj = parser.ReadObject().ToAsn1Object();
+ }
+
+ if (//obj is MetaData ||
+ obj is Asn1SequenceParser)
+ {
+ this.metaData = MetaData.GetInstance(obj.ToAsn1Object());
+ obj = parser.ReadObject().ToAsn1Object();
+ }
+
+ if (obj is Asn1OctetStringParser)
+ {
+ this.content = (Asn1OctetStringParser)obj;
+ }
+ }
+
+ public static TimeStampedDataParser GetInstance(object obj)
+ {
+ if (obj is Asn1Sequence)
+ return new TimeStampedDataParser(((Asn1Sequence)obj).Parser);
+
+ if (obj is Asn1SequenceParser)
+ return new TimeStampedDataParser((Asn1SequenceParser)obj);
+
+ return null;
+ }
+
+ public virtual DerIA5String DataUri
+ {
+ get { return dataUri; }
+ }
+
+ public virtual MetaData MetaData
+ {
+ get { return metaData; }
+ }
+
+ public virtual Asn1OctetStringParser Content
+ {
+ get { return content; }
+ }
+
+ public virtual Evidence GetTemporalEvidence()
+ {
+ if (temporalEvidence == null)
+ {
+ temporalEvidence = Evidence.GetInstance(parser.ReadObject().ToAsn1Object());
+ }
+
+ return temporalEvidence;
+ }
+ }
+}
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