1 files changed, 70 insertions, 0 deletions
diff --git a/Crypto/src/asn1/cms/Attribute.cs b/Crypto/src/asn1/cms/Attribute.cs
new file mode 100644
index 000000000..c4a104a3f
--- /dev/null
+++ b/Crypto/src/asn1/cms/Attribute.cs
@@ -0,0 +1,70 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+
+namespace Org.BouncyCastle.Asn1.Cms
+{
+ public class Attribute
+ : Asn1Encodable
+ {
+ private DerObjectIdentifier attrType;
+ private Asn1Set attrValues;
+
+ /**
+ * return an Attribute object from the given object.
+ *
+ * @param o the object we want converted.
+ * @exception ArgumentException if the object cannot be converted.
+ */
+ public static Attribute GetInstance(
+ object obj)
+ {
+ if (obj == null || obj is Attribute)
+ return (Attribute) obj;
+
+ if (obj is Asn1Sequence)
+ return new Attribute((Asn1Sequence) obj);
+
+ throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+ }
+
+ public Attribute(
+ Asn1Sequence seq)
+ {
+ attrType = (DerObjectIdentifier)seq[0];
+ attrValues = (Asn1Set)seq[1];
+ }
+
+ public Attribute(
+ DerObjectIdentifier attrType,
+ Asn1Set attrValues)
+ {
+ this.attrType = attrType;
+ this.attrValues = attrValues;
+ }
+
+ public DerObjectIdentifier AttrType
+ {
+ get { return attrType; }
+ }
+
+ public Asn1Set AttrValues
+ {
+ get { return attrValues; }
+ }
+
+ /**
+ * Produce an object suitable for an Asn1OutputStream.
+ * <pre>
+ * Attribute ::= SEQUENCE {
+ * attrType OBJECT IDENTIFIER,
+ * attrValues SET OF AttributeValue
+ * }
+ * </pre>
+ */
+ public override Asn1Object ToAsn1Object()
+ {
+ return new DerSequence(attrType, attrValues);
+ }
+ }
+}
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