1 files changed, 112 insertions, 0 deletions
diff --git a/crypto/src/asn1/ess/SigningCertificateV2.cs b/crypto/src/asn1/ess/SigningCertificateV2.cs
new file mode 100644
index 000000000..cabecc1ba
--- /dev/null
+++ b/crypto/src/asn1/ess/SigningCertificateV2.cs
@@ -0,0 +1,112 @@
+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 cert)
+        {
+            this.certs = new DerSequence(cert);
+        }
+
+        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);
+        }
+    }
+}