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using System;
using Org.BouncyCastle.Asn1.X509;
using Org.BouncyCastle.Math;
namespace Org.BouncyCastle.Asn1.Esf
{
/// <remarks>
/// RFC 3126: 4.2.2 Complete Revocation Refs Attribute Definition
/// <code>
/// CrlIdentifier ::= SEQUENCE
/// {
/// crlissuer Name,
/// crlIssuedTime UTCTime,
/// crlNumber INTEGER OPTIONAL
/// }
/// </code>
/// </remarks>
public class CrlIdentifier
: Asn1Encodable
{
private readonly X509Name m_crlIssuer;
private readonly Asn1UtcTime m_crlIssuedTime;
private readonly DerInteger m_crlNumber;
public static CrlIdentifier GetInstance(object obj)
{
if (obj == null)
return null;
if (obj is CrlIdentifier crlIdentifier)
return crlIdentifier;
return new CrlIdentifier(Asn1Sequence.GetInstance(obj));
}
public static CrlIdentifier GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return GetInstance(Asn1Sequence.GetInstance(taggedObject, declaredExplicit));
}
private CrlIdentifier(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));
this.m_crlIssuer = X509Name.GetInstance(seq[0]);
this.m_crlIssuedTime = Asn1UtcTime.GetInstance(seq[1]);
// Validate crlIssuedTime is in the appropriate year range
m_crlIssuedTime.ToDateTime(2049);
if (seq.Count > 2)
{
this.m_crlNumber = DerInteger.GetInstance(seq[2]);
}
}
public CrlIdentifier(X509Name crlIssuer, DateTime crlIssuedTime)
: this(crlIssuer, crlIssuedTime, null)
{
}
public CrlIdentifier(X509Name crlIssuer, DateTime crlIssuedTime, BigInteger crlNumber)
: this(crlIssuer, Rfc5280Asn1Utilities.CreateUtcTime(crlIssuedTime), crlNumber)
{
}
public CrlIdentifier(X509Name crlIssuer, Asn1UtcTime crlIssuedTime)
: this(crlIssuer, crlIssuedTime, null)
{
}
public CrlIdentifier(X509Name crlIssuer, Asn1UtcTime crlIssuedTime, BigInteger crlNumber)
{
m_crlIssuer = crlIssuer ?? throw new ArgumentNullException(nameof(crlIssuer));
m_crlIssuedTime = crlIssuedTime ?? throw new ArgumentNullException(nameof(crlIssuedTime));
if (null != crlNumber)
{
m_crlNumber = new DerInteger(crlNumber);
}
// Validate crlIssuedTime is in the appropriate year range
m_crlIssuedTime.ToDateTime(2049);
}
public X509Name CrlIssuer
{
get { return m_crlIssuer; }
}
public DateTime CrlIssuedTime
{
get { return m_crlIssuedTime.ToDateTime(2049); }
}
public BigInteger CrlNumber
{
get { return m_crlNumber?.Value; }
}
public override Asn1Object ToAsn1Object()
{
var v = new Asn1EncodableVector(m_crlIssuer.ToAsn1Object(), m_crlIssuedTime);
v.AddOptional(m_crlNumber);
return new DerSequence(v);
}
}
}
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