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using System;
using Org.BouncyCastle.Asn1.X509;
namespace Org.BouncyCastle.Asn1.Ocsp
{
public class CertID
: Asn1Encodable
{
public static CertID GetInstance(object obj)
{
if (obj == null)
return null;
if (obj is CertID certID)
return certID;
return new CertID(Asn1Sequence.GetInstance(obj));
}
public static CertID GetInstance(Asn1TaggedObject obj, bool explicitly)
{
return new CertID(Asn1Sequence.GetInstance(obj, explicitly));
}
private readonly AlgorithmIdentifier m_hashAlgorithm;
private readonly Asn1OctetString m_issuerNameHash;
private readonly Asn1OctetString m_issuerKeyHash;
private readonly DerInteger m_serialNumber;
public CertID(AlgorithmIdentifier hashAlgorithm, Asn1OctetString issuerNameHash, Asn1OctetString issuerKeyHash,
DerInteger serialNumber)
{
m_hashAlgorithm = hashAlgorithm ?? throw new ArgumentNullException(nameof(hashAlgorithm));
m_issuerNameHash = issuerNameHash ?? throw new ArgumentNullException(nameof(issuerNameHash));
m_issuerKeyHash = issuerKeyHash ?? throw new ArgumentNullException(nameof(issuerKeyHash));
m_serialNumber = serialNumber ?? throw new ArgumentNullException(nameof(serialNumber));
}
private CertID(Asn1Sequence seq)
{
int count = seq.Count;
if (count != 4)
throw new ArgumentException("Bad sequence size: " + count, nameof(seq));
m_hashAlgorithm = AlgorithmIdentifier.GetInstance(seq[0]);
m_issuerNameHash = Asn1OctetString.GetInstance(seq[1]);
m_issuerKeyHash = Asn1OctetString.GetInstance(seq[2]);
m_serialNumber = DerInteger.GetInstance(seq[3]);
}
public AlgorithmIdentifier HashAlgorithm => m_hashAlgorithm;
public Asn1OctetString IssuerNameHash => m_issuerNameHash;
public Asn1OctetString IssuerKeyHash => m_issuerKeyHash;
public DerInteger SerialNumber => m_serialNumber;
/**
* Produce an object suitable for an Asn1OutputStream.
* <pre>
* CertID ::= Sequence {
* hashAlgorithm AlgorithmIdentifier,
* issuerNameHash OCTET STRING, -- Hash of Issuer's DN
* issuerKeyHash OCTET STRING, -- Hash of Issuers public key
* serialNumber CertificateSerialNumber }
* </pre>
*/
public override Asn1Object ToAsn1Object()
{
return new DerSequence(m_hashAlgorithm, m_issuerNameHash, m_issuerKeyHash, m_serialNumber);
}
}
}
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