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using System;
namespace Org.BouncyCastle.Asn1.Cms
{
public class OtherKeyAttribute
: Asn1Encodable
{
public static OtherKeyAttribute GetInstance(object obj)
{
if (obj == null)
return null;
if (obj is OtherKeyAttribute otherKeyAttribute)
return otherKeyAttribute;
#pragma warning disable CS0618 // Type or member is obsolete
return new OtherKeyAttribute(Asn1Sequence.GetInstance(obj));
#pragma warning restore CS0618 // Type or member is obsolete
}
public static OtherKeyAttribute GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
#pragma warning disable CS0618 // Type or member is obsolete
return new OtherKeyAttribute(Asn1Sequence.GetInstance(taggedObject, declaredExplicit));
#pragma warning restore CS0618 // Type or member is obsolete
}
public static OtherKeyAttribute GetOptional(Asn1Encodable element)
{
if (element == null)
throw new ArgumentNullException(nameof(element));
if (element is OtherKeyAttribute otherKeyAttribute)
return otherKeyAttribute;
Asn1Sequence asn1Sequence = Asn1Sequence.GetOptional(element);
if (asn1Sequence != null)
#pragma warning disable CS0618 // Type or member is obsolete
return new OtherKeyAttribute(asn1Sequence);
#pragma warning restore CS0618 // Type or member is obsolete
return null;
}
private readonly DerObjectIdentifier m_keyAttrId;
private readonly Asn1Encodable m_keyAttr;
[Obsolete("Use 'GetInstance' instead")]
public OtherKeyAttribute(Asn1Sequence seq)
{
int count = seq.Count;
if (count < 1 || count > 2)
throw new ArgumentException("Bad sequence size: " + count, nameof(seq));
m_keyAttrId = DerObjectIdentifier.GetInstance(seq[0]);
m_keyAttr = count == 1 ? null : seq[1];
}
public OtherKeyAttribute(DerObjectIdentifier keyAttrId, Asn1Encodable keyAttr)
{
m_keyAttrId = keyAttrId ?? throw new ArgumentNullException(nameof(keyAttrId));
m_keyAttr = keyAttr;
}
public DerObjectIdentifier KeyAttrId => m_keyAttrId;
public Asn1Encodable KeyAttr => m_keyAttr;
/**
* Produce an object suitable for an Asn1OutputStream.
* <pre>
* OtherKeyAttribute ::= Sequence {
* keyAttrId OBJECT IDENTIFIER,
* keyAttr ANY DEFINED BY keyAttrId OPTIONAL
* }
* </pre>
*/
public override Asn1Object ToAsn1Object()
{
return m_keyAttr == null
? new DerSequence(m_keyAttrId)
: new DerSequence(m_keyAttrId, m_keyAttr);
}
}
}
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