using System; using Org.BouncyCastle.Asn1; using Org.BouncyCastle.Asn1.X509; using Org.BouncyCastle.Utilities; namespace Org.BouncyCastle.Asn1.Ocsp { public class CertID : Asn1Encodable { private readonly AlgorithmIdentifier hashAlgorithm; private readonly Asn1OctetString issuerNameHash; private readonly Asn1OctetString issuerKeyHash; private readonly DerInteger serialNumber; public static CertID GetInstance( Asn1TaggedObject obj, bool explicitly) { return GetInstance(Asn1Sequence.GetInstance(obj, explicitly)); } public static CertID GetInstance( object obj) { if (obj == null || obj is CertID) { return (CertID)obj; } if (obj is Asn1Sequence) { return new CertID((Asn1Sequence)obj); } throw new ArgumentException("unknown object in factory: " + Platform.GetTypeName(obj), "obj"); } public CertID( AlgorithmIdentifier hashAlgorithm, Asn1OctetString issuerNameHash, Asn1OctetString issuerKeyHash, DerInteger serialNumber) { this.hashAlgorithm = hashAlgorithm; this.issuerNameHash = issuerNameHash; this.issuerKeyHash = issuerKeyHash; this.serialNumber = serialNumber; } private CertID( Asn1Sequence seq) { if (seq.Count != 4) throw new ArgumentException("Wrong number of elements in sequence", "seq"); this.hashAlgorithm = AlgorithmIdentifier.GetInstance(seq[0]); this.issuerNameHash = Asn1OctetString.GetInstance(seq[1]); this.issuerKeyHash = Asn1OctetString.GetInstance(seq[2]); this.serialNumber = DerInteger.GetInstance(seq[3]); } public AlgorithmIdentifier HashAlgorithm { get { return hashAlgorithm; } } public Asn1OctetString IssuerNameHash { get { return issuerNameHash; } } public Asn1OctetString IssuerKeyHash { get { return issuerKeyHash; } } public DerInteger SerialNumber { get { return serialNumber; } } /** * Produce an object suitable for an Asn1OutputStream. *
         * CertID          ::=     Sequence {
         *     hashAlgorithm       AlgorithmIdentifier,
         *     issuerNameHash      OCTET STRING, -- Hash of Issuer's DN
         *     issuerKeyHash       OCTET STRING, -- Hash of Issuers public key
         *     serialNumber        CertificateSerialNumber }
         * 
*/ public override Asn1Object ToAsn1Object() { return new DerSequence(hashAlgorithm, issuerNameHash, issuerKeyHash, serialNumber); } } }