1 files changed, 94 insertions, 0 deletions
diff --git a/crypto/src/asn1/cms/MetaData.cs b/crypto/src/asn1/cms/MetaData.cs
new file mode 100644
index 000000000..ad2b5c426
--- /dev/null
+++ b/crypto/src/asn1/cms/MetaData.cs
@@ -0,0 +1,94 @@
+using System;
+
+namespace Org.BouncyCastle.Asn1.Cms
+{
+ public class MetaData
+ : Asn1Encodable
+ {
+ private DerBoolean hashProtected;
+ private DerUtf8String fileName;
+ private DerIA5String mediaType;
+ private Attributes otherMetaData;
+
+ public MetaData(
+ DerBoolean hashProtected,
+ DerUtf8String fileName,
+ DerIA5String mediaType,
+ Attributes otherMetaData)
+ {
+ this.hashProtected = hashProtected;
+ this.fileName = fileName;
+ this.mediaType = mediaType;
+ this.otherMetaData = otherMetaData;
+ }
+
+ private MetaData(Asn1Sequence seq)
+ {
+ this.hashProtected = DerBoolean.GetInstance(seq[0]);
+
+ int index = 1;
+
+ if (index < seq.Count && seq[index] is DerUtf8String)
+ {
+ this.fileName = DerUtf8String.GetInstance(seq[index++]);
+ }
+ if (index < seq.Count && seq[index] is DerIA5String)
+ {
+ this.mediaType = DerIA5String.GetInstance(seq[index++]);
+ }
+ if (index < seq.Count)
+ {
+ this.otherMetaData = Attributes.GetInstance(seq[index++]);
+ }
+ }
+
+ public static MetaData GetInstance(object obj)
+ {
+ if (obj is MetaData)
+ return (MetaData)obj;
+
+ if (obj != null)
+ return new MetaData(Asn1Sequence.GetInstance(obj));
+
+ return null;
+ }
+
+ /**
+ * <pre>
+ * MetaData ::= SEQUENCE {
+ * hashProtected BOOLEAN,
+ * fileName UTF8String OPTIONAL,
+ * mediaType IA5String OPTIONAL,
+ * otherMetaData Attributes OPTIONAL
+ * }
+ * </pre>
+ * @return
+ */
+ public override Asn1Object ToAsn1Object()
+ {
+ Asn1EncodableVector v = new Asn1EncodableVector(hashProtected);
+ v.AddOptional(fileName, mediaType, otherMetaData);
+ return new DerSequence(v);
+ }
+
+ public virtual bool IsHashProtected
+ {
+ get { return hashProtected.IsTrue; }
+ }
+
+ public virtual DerUtf8String FileName
+ {
+ get { return fileName; }
+ }
+
+ public virtual DerIA5String MediaType
+ {
+ get { return mediaType; }
+ }
+
+ public virtual Attributes OtherMetaData
+ {
+ get { return otherMetaData; }
+ }
+ }
+}
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