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using System;
using System.Collections.Generic;
namespace Org.BouncyCastle.Asn1.Esf
{
/// <remarks>
/// <code>
/// SignaturePolicyId ::= SEQUENCE {
/// sigPolicyIdentifier SigPolicyId,
/// sigPolicyHash SigPolicyHash,
/// sigPolicyQualifiers SEQUENCE SIZE (1..MAX) OF SigPolicyQualifierInfo OPTIONAL
/// }
///
/// SigPolicyId ::= OBJECT IDENTIFIER
///
/// SigPolicyHash ::= OtherHashAlgAndValue
/// </code>
/// </remarks>
public class SignaturePolicyId
: Asn1Encodable
{
public static SignaturePolicyId GetInstance(object obj)
{
if (obj == null)
return null;
if (obj is SignaturePolicyId signaturePolicyId)
return signaturePolicyId;
return new SignaturePolicyId(Asn1Sequence.GetInstance(obj));
}
public static SignaturePolicyId GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return new SignaturePolicyId(Asn1Sequence.GetInstance(taggedObject, declaredExplicit));
}
private readonly DerObjectIdentifier m_sigPolicyIdentifier;
private readonly OtherHashAlgAndValue m_sigPolicyHash;
private readonly Asn1Sequence m_sigPolicyQualifiers;
private SignaturePolicyId(Asn1Sequence seq)
{
int count = seq.Count;
if (count < 2 || count > 3)
throw new ArgumentException("Bad sequence size: " + count, nameof(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, null)
{
}
public SignaturePolicyId(DerObjectIdentifier sigPolicyIdentifier, OtherHashAlgAndValue sigPolicyHash,
params SigPolicyQualifierInfo[] sigPolicyQualifiers)
{
m_sigPolicyIdentifier = sigPolicyIdentifier ?? throw new ArgumentNullException(nameof(sigPolicyIdentifier));
m_sigPolicyHash = sigPolicyHash ?? throw new ArgumentNullException(nameof(sigPolicyHash));
if (sigPolicyQualifiers != null)
{
m_sigPolicyQualifiers = DerSequence.FromElements(sigPolicyQualifiers);
}
}
public SignaturePolicyId(DerObjectIdentifier sigPolicyIdentifier, OtherHashAlgAndValue sigPolicyHash,
IEnumerable<SigPolicyQualifierInfo> sigPolicyQualifiers)
{
m_sigPolicyIdentifier = sigPolicyIdentifier ?? throw new ArgumentNullException(nameof(sigPolicyIdentifier));
m_sigPolicyHash = sigPolicyHash ?? throw new ArgumentNullException(nameof(sigPolicyHash));
if (sigPolicyQualifiers != null)
{
m_sigPolicyQualifiers = DerSequence.FromVector(Asn1EncodableVector.FromEnumerable(sigPolicyQualifiers));
}
}
public DerObjectIdentifier SigPolicyIdentifier => m_sigPolicyIdentifier;
public OtherHashAlgAndValue SigPolicyHash => m_sigPolicyHash;
public SigPolicyQualifierInfo[] GetSigPolicyQualifiers() =>
m_sigPolicyQualifiers?.MapElements(SigPolicyQualifierInfo.GetInstance);
public override Asn1Object ToAsn1Object()
{
Asn1EncodableVector v = new Asn1EncodableVector(3);
v.Add(m_sigPolicyIdentifier, m_sigPolicyHash);
v.AddOptional(m_sigPolicyQualifiers);
return new DerSequence(v);
}
}
}
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