using Org.BouncyCastle.Utilities; using System; using System.Collections.Generic; namespace Org.BouncyCastle.Asn1.Esf { public class SignaturePolicyId : Asn1Encodable { private readonly DerObjectIdentifier m_sigPolicyIdentifier; private readonly OtherHashAlgAndValue m_sigPolicyHash; private readonly Asn1Sequence m_sigPolicyQualifiers; public DerObjectIdentifier SigPolicyIdentifier => m_sigPolicyIdentifier; public OtherHashAlgAndValue SigPolicyHash => m_sigPolicyHash; public static SignaturePolicyId GetInstance(object obj) { if (obj == null) return null; SignaturePolicyId signaturePolicyId = obj as SignaturePolicyId; if (signaturePolicyId != null) return signaturePolicyId; Asn1Sequence asn1Sequence = obj as Asn1Sequence; if (asn1Sequence != null) return new SignaturePolicyId(asn1Sequence); throw new ArgumentException("Unknown object in 'SignaturePolicyId' factory: " + Platform.GetTypeName(obj), "obj"); } private SignaturePolicyId(Asn1Sequence seq) { if (seq == null) throw new ArgumentNullException("seq"); if (seq.Count < 2 || seq.Count > 3) throw new ArgumentException("Bad sequence size: " + seq.Count.ToString(), "seq"); m_sigPolicyIdentifier = (DerObjectIdentifier)seq[0].ToAsn1Object(); m_sigPolicyHash = OtherHashAlgAndValue.GetInstance(seq[1].ToAsn1Object()); if (seq.Count > 2) m_sigPolicyQualifiers = (Asn1Sequence)seq[2].ToAsn1Object(); } public SignaturePolicyId(DerObjectIdentifier sigPolicyIdentifier, OtherHashAlgAndValue sigPolicyHash) : this(sigPolicyIdentifier, sigPolicyHash, (SigPolicyQualifierInfo[])null) { } public SignaturePolicyId(DerObjectIdentifier sigPolicyIdentifier, OtherHashAlgAndValue sigPolicyHash, params SigPolicyQualifierInfo[] sigPolicyQualifiers) { if (sigPolicyIdentifier == null) throw new ArgumentNullException("sigPolicyIdentifier"); if (sigPolicyHash == null) throw new ArgumentNullException("sigPolicyHash"); m_sigPolicyIdentifier = sigPolicyIdentifier; m_sigPolicyHash = sigPolicyHash; if (sigPolicyQualifiers != null) m_sigPolicyQualifiers = new DerSequence(sigPolicyQualifiers); } public SignaturePolicyId(DerObjectIdentifier sigPolicyIdentifier, OtherHashAlgAndValue sigPolicyHash, IEnumerable<SigPolicyQualifierInfo> sigPolicyQualifiers) { if (sigPolicyIdentifier == null) throw new ArgumentNullException("sigPolicyIdentifier"); if (sigPolicyHash == null) throw new ArgumentNullException("sigPolicyHash"); m_sigPolicyIdentifier = sigPolicyIdentifier; m_sigPolicyHash = sigPolicyHash; if (sigPolicyQualifiers != null) m_sigPolicyQualifiers = new DerSequence(Asn1EncodableVector.FromEnumerable(sigPolicyQualifiers)); } public SigPolicyQualifierInfo[] GetSigPolicyQualifiers() { return m_sigPolicyQualifiers?.MapElements(SigPolicyQualifierInfo.GetInstance); } public override Asn1Object ToAsn1Object() { Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector(m_sigPolicyIdentifier, m_sigPolicyHash.ToAsn1Object()); if (m_sigPolicyQualifiers != null) asn1EncodableVector.Add(m_sigPolicyQualifiers.ToAsn1Object()); return new DerSequence(asn1EncodableVector); } } }