1 files changed, 105 insertions, 0 deletions
diff --git a/crypto/src/asn1/x509/AuthorityInformationAccess.cs b/crypto/src/asn1/x509/AuthorityInformationAccess.cs
new file mode 100644
index 000000000..3eeba8cd2
--- /dev/null
+++ b/crypto/src/asn1/x509/AuthorityInformationAccess.cs
@@ -0,0 +1,105 @@
+using System;
+using System.Collections;
+using System.Text;
+
+using Org.BouncyCastle.Asn1;
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Asn1.X509
+{
+	/**
+	 * The AuthorityInformationAccess object.
+	 * <pre>
+	 * id-pe-authorityInfoAccess OBJECT IDENTIFIER ::= { id-pe 1 }
+	 *
+	 * AuthorityInfoAccessSyntax  ::=
+	 *      Sequence SIZE (1..MAX) OF AccessDescription
+	 * AccessDescription  ::=  Sequence {
+	 *       accessMethod          OBJECT IDENTIFIER,
+	 *       accessLocation        GeneralName  }
+	 *
+	 * id-ad OBJECT IDENTIFIER ::= { id-pkix 48 }
+	 * id-ad-caIssuers OBJECT IDENTIFIER ::= { id-ad 2 }
+	 * id-ad-ocsp OBJECT IDENTIFIER ::= { id-ad 1 }
+	 * </pre>
+	 */
+	public class AuthorityInformationAccess
+		: Asn1Encodable
+	{
+		private readonly AccessDescription[] descriptions;
+
+		public static AuthorityInformationAccess GetInstance(
+			object obj)
+		{
+			if (obj is AuthorityInformationAccess)
+				return (AuthorityInformationAccess) obj;
+
+			if (obj is Asn1Sequence)
+				return new AuthorityInformationAccess((Asn1Sequence) obj);
+
+			if (obj is X509Extension)
+				return GetInstance(X509Extension.ConvertValueToObject((X509Extension) obj));
+
+			throw new ArgumentException("unknown object in factory: " + obj.GetType().Name, "obj");
+		}
+
+		private AuthorityInformationAccess(
+			Asn1Sequence seq)
+		{
+			if (seq.Count < 1)
+				throw new ArgumentException("sequence may not be empty");
+
+			this.descriptions = new AccessDescription[seq.Count];
+
+			for (int i = 0; i < seq.Count; ++i)
+			{
+				descriptions[i] = AccessDescription.GetInstance(seq[i]);
+			}
+		}
+
+		/**
+		 * create an AuthorityInformationAccess with the oid and location provided.
+		 */
+		[Obsolete("Use version taking an AccessDescription instead")]
+		public AuthorityInformationAccess(
+			DerObjectIdentifier	oid,
+			GeneralName			location)
+		{
+			this.descriptions = new AccessDescription[]{ new AccessDescription(oid, location) };
+		}
+
+		public AuthorityInformationAccess(
+			AccessDescription description)
+		{
+			this.descriptions = new AccessDescription[]{ description };
+		}
+
+		public AccessDescription[] GetAccessDescriptions()
+		{
+			return (AccessDescription[]) descriptions.Clone();
+		}
+
+		public override Asn1Object ToAsn1Object()
+		{
+			return new DerSequence(descriptions);
+		}
+
+		public override string ToString()
+		{
+			StringBuilder buf = new StringBuilder();
+			string sep = Platform.NewLine;
+
+			buf.Append("AuthorityInformationAccess:");
+			buf.Append(sep);
+
+			foreach (AccessDescription description in descriptions)
+			{
+				buf.Append("    ");
+				buf.Append(description);
+				buf.Append(sep);
+			}
+
+			return buf.ToString();
+		}
+	}
+}