using System; using Org.BouncyCastle.Asn1.X509; namespace Org.BouncyCastle.Asn1.Ess { public class SigningCertificate : Asn1Encodable { private Asn1Sequence certs, policies; public static SigningCertificate GetInstance( object o) { if (o == null || o is SigningCertificate) { return (SigningCertificate) o; } if (o is Asn1Sequence) { return new SigningCertificate((Asn1Sequence) o); } throw new ArgumentException( "unknown object in 'SigningCertificate' factory : " + o.GetType().Name + "."); } /** * constructors */ public SigningCertificate( Asn1Sequence seq) { if (seq.Count < 1 || seq.Count > 2) { throw new ArgumentException("Bad sequence size: " + seq.Count); } this.certs = Asn1Sequence.GetInstance(seq[0]); if (seq.Count > 1) { this.policies = Asn1Sequence.GetInstance(seq[1]); } } public SigningCertificate( EssCertID essCertID) { certs = new DerSequence(essCertID); } public EssCertID[] GetCerts() { EssCertID[] cs = new EssCertID[certs.Count]; for (int i = 0; i != certs.Count; i++) { cs[i] = EssCertID.GetInstance(certs[i]); } return cs; } public PolicyInformation[] GetPolicies() { if (policies == null) { return null; } PolicyInformation[] ps = new PolicyInformation[policies.Count]; for (int i = 0; i != policies.Count; i++) { ps[i] = PolicyInformation.GetInstance(policies[i]); } return ps; } /** * The definition of SigningCertificate is *
		 * SigningCertificate ::=  SEQUENCE {
		 *      certs        SEQUENCE OF EssCertID,
		 *      policies     SEQUENCE OF PolicyInformation OPTIONAL
		 * }
		 * 
* id-aa-signingCertificate OBJECT IDENTIFIER ::= { iso(1) * member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs9(9) * smime(16) id-aa(2) 12 } */ public override Asn1Object ToAsn1Object() { Asn1EncodableVector v = new Asn1EncodableVector(certs); if (policies != null) { v.Add(policies); } return new DerSequence(v); } } }