1 files changed, 142 insertions, 0 deletions
diff --git a/Crypto/src/asn1/x509/SubjectDirectoryAttributes.cs b/Crypto/src/asn1/x509/SubjectDirectoryAttributes.cs
new file mode 100644
index 000000000..c76d94d78
--- /dev/null
+++ b/Crypto/src/asn1/x509/SubjectDirectoryAttributes.cs
@@ -0,0 +1,142 @@
+using System;
+using System.Collections;
+
+using Org.BouncyCastle.Utilities;
+using Org.BouncyCastle.Utilities.Collections;
+
+namespace Org.BouncyCastle.Asn1.X509
+{
+ /**
+ * This extension may contain further X.500 attributes of the subject. See also
+ * RFC 3039.
+ *
+ * <pre>
+ * SubjectDirectoryAttributes ::= Attributes
+ * Attributes ::= SEQUENCE SIZE (1..MAX) OF Attribute
+ * Attribute ::= SEQUENCE
+ * {
+ * type AttributeType
+ * values SET OF AttributeValue
+ * }
+ *
+ * AttributeType ::= OBJECT IDENTIFIER
+ * AttributeValue ::= ANY DEFINED BY AttributeType
+ * </pre>
+ *
+ * @see org.bouncycastle.asn1.x509.X509Name for AttributeType ObjectIdentifiers.
+ */
+ public class SubjectDirectoryAttributes
+ : Asn1Encodable
+ {
+ private readonly IList attributes;
+
+ public static SubjectDirectoryAttributes GetInstance(
+ object obj)
+ {
+ if (obj == null || obj is SubjectDirectoryAttributes)
+ {
+ return (SubjectDirectoryAttributes) obj;
+ }
+
+ if (obj is Asn1Sequence)
+ {
+ return new SubjectDirectoryAttributes((Asn1Sequence) obj);
+ }
+
+ throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+ }
+
+ /**
+ * Constructor from Asn1Sequence.
+ *
+ * The sequence is of type SubjectDirectoryAttributes:
+ *
+ * <pre>
+ * SubjectDirectoryAttributes ::= Attributes
+ * Attributes ::= SEQUENCE SIZE (1..MAX) OF Attribute
+ * Attribute ::= SEQUENCE
+ * {
+ * type AttributeType
+ * values SET OF AttributeValue
+ * }
+ *
+ * AttributeType ::= OBJECT IDENTIFIER
+ * AttributeValue ::= ANY DEFINED BY AttributeType
+ * </pre>
+ *
+ * @param seq
+ * The ASN.1 sequence.
+ */
+ private SubjectDirectoryAttributes(
+ Asn1Sequence seq)
+ {
+ this.attributes = Platform.CreateArrayList();
+ foreach (object o in seq)
+ {
+ Asn1Sequence s = Asn1Sequence.GetInstance(o);
+ attributes.Add(AttributeX509.GetInstance(s));
+ }
+ }
+
+#if !(SILVERLIGHT || PORTABLE)
+ [Obsolete]
+ public SubjectDirectoryAttributes(
+ ArrayList attributes)
+ : this((IList)attributes)
+ {
+ }
+#endif
+
+ /**
+ * Constructor from an ArrayList of attributes.
+ *
+ * The ArrayList consists of attributes of type {@link Attribute Attribute}
+ *
+ * @param attributes The attributes.
+ *
+ */
+ public SubjectDirectoryAttributes(
+ IList attributes)
+ {
+ this.attributes = Platform.CreateArrayList(attributes);
+ }
+
+ /**
+ * Produce an object suitable for an Asn1OutputStream.
+ *
+ * Returns:
+ *
+ * <pre>
+ * SubjectDirectoryAttributes ::= Attributes
+ * Attributes ::= SEQUENCE SIZE (1..MAX) OF Attribute
+ * Attribute ::= SEQUENCE
+ * {
+ * type AttributeType
+ * values SET OF AttributeValue
+ * }
+ *
+ * AttributeType ::= OBJECT IDENTIFIER
+ * AttributeValue ::= ANY DEFINED BY AttributeType
+ * </pre>
+ *
+ * @return a DERObject
+ */
+ public override Asn1Object ToAsn1Object()
+ {
+ AttributeX509[] v = new AttributeX509[attributes.Count];
+ for (int i = 0; i < attributes.Count; ++i)
+ {
+ v[i] = (AttributeX509)attributes[i];
+ }
+ return new DerSequence(v);
+ }
+
+ /**
+ * @return Returns the attributes.
+ */
+ public IEnumerable Attributes
+ {
+ get { return new EnumerableProxy(attributes); }
+ }
+ }
+}
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