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; return new SignaturePolicyId(Asn1Sequence.GetInstance(obj)); } public static SignaturePolicyId GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit) { return new SignaturePolicyId(Asn1Sequence.GetInstance(taggedObject, declaredExplicit)); } public static SignaturePolicyId GetOptional(Asn1Encodable element) { if (element == null) throw new ArgumentNullException("element"); SignaturePolicyId signaturePolicyId = element as SignaturePolicyId; if (signaturePolicyId != null) return signaturePolicyId; Asn1Sequence optional = Asn1Sequence.GetOptional(element); if (optional != null) return new SignaturePolicyId(optional); return null; } public static SignaturePolicyId GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit) { return new SignaturePolicyId(Asn1Sequence.GetTagged(taggedObject, declaredExplicit)); } private SignaturePolicyId(Asn1Sequence seq) { int count = seq.Count; if (count < 2 || count > 3) throw new ArgumentException("Bad sequence size: " + count.ToString(), "seq"); m_sigPolicyIdentifier = DerObjectIdentifier.GetInstance(seq[0]); m_sigPolicyHash = OtherHashAlgAndValue.GetInstance(seq[1]); if (count > 2) m_sigPolicyQualifiers = Asn1Sequence.GetInstance(seq[2]); } 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"); m_sigPolicyIdentifier = sigPolicyIdentifier; if (sigPolicyHash == null) throw new ArgumentNullException("sigPolicyHash"); m_sigPolicyHash = sigPolicyHash; m_sigPolicyQualifiers = DerSequence.FromElementsOptional(sigPolicyQualifiers); } public SignaturePolicyId(DerObjectIdentifier sigPolicyIdentifier, OtherHashAlgAndValue sigPolicyHash, IEnumerable<SigPolicyQualifierInfo> sigPolicyQualifiers) { if (sigPolicyIdentifier == null) throw new ArgumentNullException("sigPolicyIdentifier"); m_sigPolicyIdentifier = sigPolicyIdentifier; if (sigPolicyHash == null) throw new ArgumentNullException("sigPolicyHash"); m_sigPolicyHash = sigPolicyHash; if (sigPolicyQualifiers != null) m_sigPolicyQualifiers = DerSequence.FromVector(Asn1EncodableVector.FromEnumerable(sigPolicyQualifiers)); } public SignaturePolicyId(DerObjectIdentifier sigPolicyIdentifier, OtherHashAlgAndValue sigPolicyHash, IReadOnlyCollection<SigPolicyQualifierInfo> sigPolicyQualifiers) { if (sigPolicyIdentifier == null) throw new ArgumentNullException("sigPolicyIdentifier"); m_sigPolicyIdentifier = sigPolicyIdentifier; if (sigPolicyHash == null) throw new ArgumentNullException("sigPolicyHash"); m_sigPolicyHash = sigPolicyHash; if (sigPolicyQualifiers != null) m_sigPolicyQualifiers = DerSequence.FromCollection(sigPolicyQualifiers); } public SigPolicyQualifierInfo[] GetSigPolicyQualifiers() { return m_sigPolicyQualifiers?.MapElements(SigPolicyQualifierInfo.GetInstance); } public override Asn1Object ToAsn1Object() { Asn1EncodableVector asn1EncodableVector = new Asn1EncodableVector(3); asn1EncodableVector.Add(m_sigPolicyIdentifier, m_sigPolicyHash); asn1EncodableVector.AddOptional(m_sigPolicyQualifiers); return new DerSequence(asn1EncodableVector); } } }