1 files changed, 121 insertions, 0 deletions
diff --git a/Crypto/src/asn1/x509/Targets.cs b/Crypto/src/asn1/x509/Targets.cs
new file mode 100644
index 000000000..3e436d8d8
--- /dev/null
+++ b/Crypto/src/asn1/x509/Targets.cs
@@ -0,0 +1,121 @@
+using System;
+
+namespace Org.BouncyCastle.Asn1.X509
+{
+ /**
+ * Targets structure used in target information extension for attribute
+ * certificates from RFC 3281.
+ *
+ * <pre>
+ * Targets ::= SEQUENCE OF Target
+ *
+ * Target ::= CHOICE {
+ * targetName [0] GeneralName,
+ * targetGroup [1] GeneralName,
+ * targetCert [2] TargetCert
+ * }
+ *
+ * TargetCert ::= SEQUENCE {
+ * targetCertificate IssuerSerial,
+ * targetName GeneralName OPTIONAL,
+ * certDigestInfo ObjectDigestInfo OPTIONAL
+ * }
+ * </pre>
+ *
+ * @see org.bouncycastle.asn1.x509.Target
+ * @see org.bouncycastle.asn1.x509.TargetInformation
+ */
+ public class Targets
+ : Asn1Encodable
+ {
+ private readonly Asn1Sequence targets;
+
+ /**
+ * Creates an instance of a Targets from the given object.
+ * <p>
+ * <code>obj</code> can be a Targets or a {@link Asn1Sequence}</p>
+ *
+ * @param obj The object.
+ * @return A Targets instance.
+ * @throws ArgumentException if the given object cannot be interpreted as Target.
+ */
+ public static Targets GetInstance(
+ object obj)
+ {
+ if (obj is Targets)
+ {
+ return (Targets) obj;
+ }
+
+ if (obj is Asn1Sequence)
+ {
+ return new Targets((Asn1Sequence) obj);
+ }
+
+ throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+ }
+
+ /**
+ * Constructor from Asn1Sequence.
+ *
+ * @param targets The ASN.1 SEQUENCE.
+ * @throws ArgumentException if the contents of the sequence are
+ * invalid.
+ */
+ private Targets(
+ Asn1Sequence targets)
+ {
+ this.targets = targets;
+ }
+
+ /**
+ * Constructor from given targets.
+ * <p>
+ * The ArrayList is copied.</p>
+ *
+ * @param targets An <code>ArrayList</code> of {@link Target}s.
+ * @see Target
+ * @throws ArgumentException if the ArrayList contains not only Targets.
+ */
+ public Targets(
+ Target[] targets)
+ {
+ this.targets = new DerSequence(targets);
+ }
+
+ /**
+ * Returns the targets in an <code>ArrayList</code>.
+ * <p>
+ * The ArrayList is cloned before it is returned.</p>
+ *
+ * @return Returns the targets.
+ */
+ public virtual Target[] GetTargets()
+ {
+ Target[] result = new Target[targets.Count];
+
+ for (int i = 0; i < targets.Count; ++i)
+ {
+ result[i] = Target.GetInstance(targets[i]);
+ }
+
+ return result;
+ }
+
+ /**
+ * Produce an object suitable for an Asn1OutputStream.
+ *
+ * Returns:
+ *
+ * <pre>
+ * Targets ::= SEQUENCE OF Target
+ * </pre>
+ *
+ * @return an Asn1Object
+ */
+ public override Asn1Object ToAsn1Object()
+ {
+ return targets;
+ }
+ }
+}
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