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using System;
namespace Org.BouncyCastle.Asn1.Cmp
{
public class PkiMessage
: Asn1Encodable
{
public static PkiMessage GetInstance(object obj)
{
if (obj == null)
return null;
if (obj is PkiMessage pkiMessage)
return pkiMessage;
return new PkiMessage(Asn1Sequence.GetInstance(obj));
}
public static PkiMessage GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return new PkiMessage(Asn1Sequence.GetInstance(taggedObject, declaredExplicit));
}
private readonly PkiHeader m_header;
private readonly PkiBody m_body;
private readonly DerBitString m_protection;
private readonly Asn1Sequence m_extraCerts;
private PkiMessage(Asn1Sequence seq)
{
int count = seq.Count, pos = 0;
if (count < 2 || count > 4)
throw new ArgumentException("Bad sequence size: " + count, nameof(seq));
m_header = PkiHeader.GetInstance(seq[pos++]);
m_body = PkiBody.GetInstance(seq[pos++]);
m_protection = Asn1Utilities.ReadOptionalContextTagged(seq, ref pos, 0, true, DerBitString.GetInstance);
m_extraCerts = Asn1Utilities.ReadOptionalContextTagged(seq, ref pos, 1, true, Asn1Sequence.GetInstance);
if (pos != count)
throw new ArgumentException("Unexpected elements in sequence", nameof(seq));
}
/**
* Creates a new PkiMessage.
*
* @param header message header
* @param body message body
* @param protection message protection (may be null)
* @param extraCerts extra certificates (may be null)
*/
public PkiMessage(PkiHeader header, PkiBody body, DerBitString protection, CmpCertificate[] extraCerts)
{
m_header = header ?? throw new ArgumentNullException(nameof(header));
m_body = body ?? throw new ArgumentNullException(nameof(body));
m_protection = protection;
m_extraCerts = extraCerts == null ? null : DerSequence.FromElements(extraCerts);
}
public PkiMessage(PkiHeader header, PkiBody body, DerBitString protection)
: this(header, body, protection, null)
{
}
public PkiMessage(PkiHeader header, PkiBody body)
: this(header, body, null, null)
{
}
public virtual PkiHeader Header => m_header;
public virtual PkiBody Body => m_body;
public virtual DerBitString Protection => m_protection;
public virtual CmpCertificate[] GetExtraCerts() => m_extraCerts?.MapElements(CmpCertificate.GetInstance);
/**
* <pre>
* PkiMessage ::= SEQUENCE {
* header PKIHeader,
* body PKIBody,
* protection [0] PKIProtection OPTIONAL,
* extraCerts [1] SEQUENCE SIZE (1..MAX) OF CMPCertificate
* OPTIONAL
* }
* </pre>
* @return a basic ASN.1 object representation.
*/
public override Asn1Object ToAsn1Object()
{
Asn1EncodableVector v = new Asn1EncodableVector(4);
v.Add(m_header, m_body);
v.AddOptionalTagged(true, 0, m_protection);
v.AddOptionalTagged(true, 1, m_extraCerts);
return new DerSequence(v);
}
}
}
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