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