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using System;
namespace Org.BouncyCastle.Asn1.Crmf
{
public class AttributeTypeAndValue
: Asn1Encodable
{
public static AttributeTypeAndValue GetInstance(object obj)
{
if (obj == null)
return null;
if (obj is AttributeTypeAndValue attributeTypeAndValue)
return attributeTypeAndValue;
return new AttributeTypeAndValue(Asn1Sequence.GetInstance(obj));
}
public static AttributeTypeAndValue GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return new AttributeTypeAndValue(Asn1Sequence.GetInstance(taggedObject, declaredExplicit));
}
private readonly DerObjectIdentifier m_type;
private readonly Asn1Encodable m_value;
private AttributeTypeAndValue(Asn1Sequence seq)
{
int count = seq.Count;
if (count != 2)
throw new ArgumentException("Bad sequence size: " + count, nameof(seq));
m_type = DerObjectIdentifier.GetInstance(seq[0]);
m_value = seq[1];
}
public AttributeTypeAndValue(string oid, Asn1Encodable value)
: this(new DerObjectIdentifier(oid), value)
{
}
public AttributeTypeAndValue(DerObjectIdentifier type, Asn1Encodable value)
{
m_type = type ?? throw new ArgumentNullException(nameof(type));
m_value = value ?? throw new ArgumentNullException(nameof(value));
}
public virtual DerObjectIdentifier Type => m_type;
public virtual Asn1Encodable Value => m_value;
/**
* <pre>
* AttributeTypeAndValue ::= SEQUENCE {
* type OBJECT IDENTIFIER,
* value ANY DEFINED BY type }
* </pre>
* @return a basic ASN.1 object representation.
*/
public override Asn1Object ToAsn1Object() => new DerSequence(m_type, m_value);
}
}
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