1 files changed, 168 insertions, 0 deletions
diff --git a/Crypto/src/asn1/cms/OriginatorIdentifierOrKey.cs b/Crypto/src/asn1/cms/OriginatorIdentifierOrKey.cs
new file mode 100644
index 000000000..d33a11725
--- /dev/null
+++ b/Crypto/src/asn1/cms/OriginatorIdentifierOrKey.cs
@@ -0,0 +1,168 @@
+using System;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Asn1.X509;
+
+namespace Org.BouncyCastle.Asn1.Cms
+{
+ public class OriginatorIdentifierOrKey
+ : Asn1Encodable, IAsn1Choice
+ {
+ private Asn1Encodable id;
+
+ public OriginatorIdentifierOrKey(
+ IssuerAndSerialNumber id)
+ {
+ this.id = id;
+ }
+
+ [Obsolete("Use version taking a 'SubjectKeyIdentifier'")]
+ public OriginatorIdentifierOrKey(
+ Asn1OctetString id)
+ : this(new SubjectKeyIdentifier(id))
+ {
+ }
+
+ public OriginatorIdentifierOrKey(
+ SubjectKeyIdentifier id)
+ {
+ this.id = new DerTaggedObject(false, 0, id);
+ }
+
+ public OriginatorIdentifierOrKey(
+ OriginatorPublicKey id)
+ {
+ this.id = new DerTaggedObject(false, 1, id);
+ }
+
+ [Obsolete("Use more specific version")]
+ public OriginatorIdentifierOrKey(
+ Asn1Object id)
+ {
+ this.id = id;
+ }
+
+ private OriginatorIdentifierOrKey(
+ Asn1TaggedObject id)
+ {
+ // TODO Add validation
+ this.id = id;
+ }
+
+ /**
+ * return an OriginatorIdentifierOrKey object from a tagged object.
+ *
+ * @param o the tagged object holding the object we want.
+ * @param explicitly true if the object is meant to be explicitly
+ * tagged false otherwise.
+ * @exception ArgumentException if the object held by the
+ * tagged object cannot be converted.
+ */
+ public static OriginatorIdentifierOrKey GetInstance(
+ Asn1TaggedObject o,
+ bool explicitly)
+ {
+ if (!explicitly)
+ {
+ throw new ArgumentException(
+ "Can't implicitly tag OriginatorIdentifierOrKey");
+ }
+
+ return GetInstance(o.GetObject());
+ }
+
+ /**
+ * return an OriginatorIdentifierOrKey object from the given object.
+ *
+ * @param o the object we want converted.
+ * @exception ArgumentException if the object cannot be converted.
+ */
+ public static OriginatorIdentifierOrKey GetInstance(
+ object o)
+ {
+ if (o == null || o is OriginatorIdentifierOrKey)
+ return (OriginatorIdentifierOrKey)o;
+
+ if (o is IssuerAndSerialNumber)
+ return new OriginatorIdentifierOrKey((IssuerAndSerialNumber)o);
+
+ if (o is SubjectKeyIdentifier)
+ return new OriginatorIdentifierOrKey((SubjectKeyIdentifier)o);
+
+ if (o is OriginatorPublicKey)
+ return new OriginatorIdentifierOrKey((OriginatorPublicKey)o);
+
+ if (o is Asn1TaggedObject)
+ return new OriginatorIdentifierOrKey((Asn1TaggedObject)o);
+
+ throw new ArgumentException("Invalid OriginatorIdentifierOrKey: " + o.GetType().Name);
+ }
+
+ public Asn1Encodable ID
+ {
+ get { return id; }
+ }
+
+ public IssuerAndSerialNumber IssuerAndSerialNumber
+ {
+ get
+ {
+ if (id is IssuerAndSerialNumber)
+ {
+ return (IssuerAndSerialNumber)id;
+ }
+
+ return null;
+ }
+ }
+
+ public SubjectKeyIdentifier SubjectKeyIdentifier
+ {
+ get
+ {
+ if (id is Asn1TaggedObject && ((Asn1TaggedObject)id).TagNo == 0)
+ {
+ return SubjectKeyIdentifier.GetInstance((Asn1TaggedObject)id, false);
+ }
+
+ return null;
+ }
+ }
+
+ [Obsolete("Use 'OriginatorPublicKey' property")]
+ public OriginatorPublicKey OriginatorKey
+ {
+ get { return OriginatorPublicKey; }
+ }
+
+ public OriginatorPublicKey OriginatorPublicKey
+ {
+ get
+ {
+ if (id is Asn1TaggedObject && ((Asn1TaggedObject)id).TagNo == 1)
+ {
+ return OriginatorPublicKey.GetInstance((Asn1TaggedObject)id, false);
+ }
+
+ return null;
+ }
+ }
+
+ /**
+ * Produce an object suitable for an Asn1OutputStream.
+ * <pre>
+ * OriginatorIdentifierOrKey ::= CHOICE {
+ * issuerAndSerialNumber IssuerAndSerialNumber,
+ * subjectKeyIdentifier [0] SubjectKeyIdentifier,
+ * originatorKey [1] OriginatorPublicKey
+ * }
+ *
+ * SubjectKeyIdentifier ::= OCTET STRING
+ * </pre>
+ */
+ public override Asn1Object ToAsn1Object()
+ {
+ return id.ToAsn1Object();
+ }
+ }
+}
|
