1 files changed, 104 insertions, 0 deletions
diff --git a/crypto/src/asn1/x500/Rdn.cs b/crypto/src/asn1/x500/Rdn.cs
new file mode 100644
index 000000000..4881d0890
--- /dev/null
+++ b/crypto/src/asn1/x500/Rdn.cs
@@ -0,0 +1,104 @@
+using System;
+
+namespace Org.BouncyCastle.Asn1.X500
+{
+ /**
+ * Holding class for a single Relative Distinguished Name (RDN).
+ */
+ public class Rdn
+ : Asn1Encodable
+ {
+ private readonly Asn1Set values;
+
+ private Rdn(Asn1Set values)
+ {
+ this.values = values;
+ }
+
+ public static Rdn GetInstance(object obj)
+ {
+ if (obj is Rdn)
+ return (Rdn)obj;
+ if (null != obj)
+ return new Rdn(Asn1Set.GetInstance(obj));
+ return null;
+ }
+
+ /**
+ * Create a single valued RDN.
+ *
+ * @param oid RDN type.
+ * @param value RDN value.
+ */
+ public Rdn(DerObjectIdentifier oid, Asn1Encodable value)
+ {
+ this.values = new DerSet(new DerSequence(oid, value));
+ }
+
+ public Rdn(AttributeTypeAndValue attrTAndV)
+ {
+ this.values = new DerSet(attrTAndV);
+ }
+
+ /**
+ * Create a multi-valued RDN.
+ *
+ * @param aAndVs attribute type/value pairs making up the RDN
+ */
+ public Rdn(AttributeTypeAndValue[] aAndVs)
+ {
+ this.values = new DerSet(aAndVs);
+ }
+
+ public virtual bool IsMultiValued
+ {
+ get { return this.values.Count > 1; }
+ }
+
+ /**
+ * Return the number of AttributeTypeAndValue objects in this RDN,
+ *
+ * @return size of RDN, greater than 1 if multi-valued.
+ */
+ public virtual int Count
+ {
+ get { return this.values.Count; }
+ }
+
+ public virtual AttributeTypeAndValue GetFirst()
+ {
+ if (this.values.Count == 0)
+ return null;
+
+ return AttributeTypeAndValue.GetInstance(this.values[0]);
+ }
+
+ public virtual AttributeTypeAndValue[] GetTypesAndValues()
+ {
+ AttributeTypeAndValue[] tmp = new AttributeTypeAndValue[values.Count];
+
+ for (int i = 0; i < tmp.Length; ++i)
+ {
+ tmp[i] = AttributeTypeAndValue.GetInstance(values[i]);
+ }
+
+ return tmp;
+ }
+
+ /**
+ * <pre>
+ * RelativeDistinguishedName ::=
+ * SET OF AttributeTypeAndValue
+
+ * AttributeTypeAndValue ::= SEQUENCE {
+ * type AttributeType,
+ * value AttributeValue }
+ * </pre>
+ * @return this object as its ASN1Primitive type
+ */
+ public override Asn1Object ToAsn1Object()
+ {
+ return values;
+ }
+ }
+}
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