1 files changed, 82 insertions, 0 deletions
diff --git a/Crypto/src/asn1/x509/Attribute.cs b/Crypto/src/asn1/x509/Attribute.cs
new file mode 100644
index 000000000..d26db93e9
--- /dev/null
+++ b/Crypto/src/asn1/x509/Attribute.cs
@@ -0,0 +1,82 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+
+namespace Org.BouncyCastle.Asn1.X509
+{
+ public class AttributeX509
+ : Asn1Encodable
+ {
+ private readonly DerObjectIdentifier attrType;
+ private readonly Asn1Set attrValues;
+
+ /**
+ * return an Attr object from the given object.
+ *
+ * @param o the object we want converted.
+ * @exception ArgumentException if the object cannot be converted.
+ */
+ public static AttributeX509 GetInstance(
+ object obj)
+ {
+ if (obj == null || obj is AttributeX509)
+ {
+ return (AttributeX509) obj;
+ }
+
+ if (obj is Asn1Sequence)
+ {
+ return new AttributeX509((Asn1Sequence) obj);
+ }
+
+ throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+ }
+
+ private AttributeX509(
+ Asn1Sequence seq)
+ {
+ if (seq.Count != 2)
+ throw new ArgumentException("Bad sequence size: " + seq.Count);
+
+ attrType = DerObjectIdentifier.GetInstance(seq[0]);
+ attrValues = Asn1Set.GetInstance(seq[1]);
+ }
+
+ public AttributeX509(
+ DerObjectIdentifier attrType,
+ Asn1Set attrValues)
+ {
+ this.attrType = attrType;
+ this.attrValues = attrValues;
+ }
+
+ public DerObjectIdentifier AttrType
+ {
+ get { return attrType; }
+ }
+
+ public Asn1Encodable[] GetAttributeValues()
+ {
+ return attrValues.ToArray();
+ }
+
+ public Asn1Set AttrValues
+ {
+ get { return attrValues; }
+ }
+
+ /**
+ * Produce an object suitable for an Asn1OutputStream.
+ * <pre>
+ * Attr ::= Sequence {
+ * attrType OBJECT IDENTIFIER,
+ * attrValues Set OF AttributeValue
+ * }
+ * </pre>
+ */
+ public override Asn1Object ToAsn1Object()
+ {
+ return new DerSequence(attrType, attrValues);
+ }
+ }
+}
|
