Initial Commit

iTechSharp/srcbc/asn1/ess/SigningCertificateV2.cs

@@ -0,0 +1,106 @@
+using System;
+
+using Org.BouncyCastle.Asn1.X509;
+
+namespace Org.BouncyCastle.Asn1.Ess
+{
+	public class SigningCertificateV2
+		: Asn1Encodable
+	{
+		private readonly Asn1Sequence certs;
+		private readonly Asn1Sequence policies;
+
+		public static SigningCertificateV2 GetInstance(
+			object o)
+		{
+			if (o == null || o is SigningCertificateV2)
+				return (SigningCertificateV2) o;
+
+			if (o is Asn1Sequence)
+				return new SigningCertificateV2((Asn1Sequence) o);
+
+			throw new ArgumentException(
+				"unknown object in 'SigningCertificateV2' factory : "
+				+ o.GetType().Name + ".");
+		}
+
+		private SigningCertificateV2(
+			Asn1Sequence seq)
+		{
+			if (seq.Count < 1 || seq.Count > 2)
+				throw new ArgumentException("Bad sequence size: " + seq.Count, "seq");
+
+			this.certs = Asn1Sequence.GetInstance(seq[0].ToAsn1Object());
+
+			if (seq.Count > 1)
+			{
+				this.policies = Asn1Sequence.GetInstance(seq[1].ToAsn1Object());
+			}
+		}
+
+		public SigningCertificateV2(
+			EssCertIDv2[] certs)
+		{
+			this.certs = new DerSequence(certs);
+		}
+
+		public SigningCertificateV2(
+			EssCertIDv2[]		certs,
+			PolicyInformation[]	policies)
+		{
+			this.certs = new DerSequence(certs);
+
+			if (policies != null)
+			{
+				this.policies = new DerSequence(policies);
+			}
+		}
+
+		public EssCertIDv2[] GetCerts()
+		{
+			EssCertIDv2[] certIds = new EssCertIDv2[certs.Count];
+			for (int i = 0; i != certs.Count; i++)
+			{
+				certIds[i] = EssCertIDv2.GetInstance(certs[i]);
+			}
+			return certIds;
+		}
+
+		public PolicyInformation[] GetPolicies()
+		{
+			if (policies == null)
+				return null;
+
+			PolicyInformation[] policyInformations = new PolicyInformation[policies.Count];
+			for (int i = 0; i != policies.Count; i++)
+			{
+				policyInformations[i] = PolicyInformation.GetInstance(policies[i]);
+			}
+			return policyInformations;
+		}
+
+		/**
+		 * The definition of SigningCertificateV2 is
+		 * <pre>
+		 * SigningCertificateV2 ::=  SEQUENCE {
+		 *      certs        SEQUENCE OF EssCertIDv2,
+		 *      policies     SEQUENCE OF PolicyInformation OPTIONAL
+		 * }
+		 * </pre>
+		 * id-aa-signingCertificateV2 OBJECT IDENTIFIER ::= { iso(1)
+		 *    member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs9(9)
+		 *    smime(16) id-aa(2) 47 }
+		 */
+		public override Asn1Object ToAsn1Object()
+		{
+			Asn1EncodableVector v = new Asn1EncodableVector(certs);
+
+			if (policies != null)
+			{
+				v.Add(policies);
+			}
+
+			return new DerSequence(v);
+		}
+	}
+}