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using System;
using Org.BouncyCastle.Asn1.X509;
using Org.BouncyCastle.Math;
using Org.BouncyCastle.Utilities;
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 crlIssuer;
private readonly Asn1UtcTime crlIssuedTime;
private readonly DerInteger crlNumber;
public static CrlIdentifier GetInstance(object obj)
{
if (obj == null)
return null;
if (obj is CrlIdentifier crlIdentifier)
return crlIdentifier;
if (obj is Asn1Sequence asn1Sequence)
return new CrlIdentifier(asn1Sequence);
throw new ArgumentException("Unknown object in 'CrlIdentifier' factory: " + Platform.GetTypeName(obj),
nameof(obj));
}
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.crlIssuer = X509Name.GetInstance(seq[0]);
this.crlIssuedTime = Asn1UtcTime.GetInstance(seq[1]);
// Validate crlIssuedTime is in the appropriate year range
crlIssuedTime.ToDateTime(2049);
if (seq.Count > 2)
{
this.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, new Asn1UtcTime(crlIssuedTime, 2049), crlNumber)
{
}
public CrlIdentifier(X509Name crlIssuer, Asn1UtcTime crlIssuedTime)
: this(crlIssuer, crlIssuedTime, null)
{
}
public CrlIdentifier(X509Name crlIssuer, Asn1UtcTime crlIssuedTime, BigInteger crlNumber)
{
this.crlIssuer = crlIssuer ?? throw new ArgumentNullException(nameof(crlIssuer));
this.crlIssuedTime = crlIssuedTime ?? throw new ArgumentNullException(nameof(crlIssuedTime));
if (null != crlNumber)
{
this.crlNumber = new DerInteger(crlNumber);
}
// Validate crlIssuedTime is in the appropriate year range
this.crlIssuedTime.ToDateTime(2049);
}
public X509Name CrlIssuer
{
get { return crlIssuer; }
}
public DateTime CrlIssuedTime
{
get { return crlIssuedTime.ToDateTime(2049); }
}
public BigInteger CrlNumber
{
get { return crlNumber?.Value; }
}
public override Asn1Object ToAsn1Object()
{
var v = new Asn1EncodableVector(crlIssuer.ToAsn1Object(), crlIssuedTime);
v.AddOptional(crlNumber);
return new DerSequence(v);
}
}
}
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