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using System;
using Org.BouncyCastle.Asn1.Crmf;
using Org.BouncyCastle.Utilities;
namespace Org.BouncyCastle.Asn1.Cmp
{
public class CertOrEncCert
: Asn1Encodable, IAsn1Choice
{
public static CertOrEncCert GetInstance(object obj)
{
if (obj is CertOrEncCert certOrEncCert)
return certOrEncCert;
if (obj is Asn1TaggedObject taggedObject)
return new CertOrEncCert(taggedObject);
throw new ArgumentException("Invalid object: " + Platform.GetTypeName(obj), nameof(obj));
}
private readonly CmpCertificate m_certificate;
private readonly EncryptedKey m_encryptedCert;
private CertOrEncCert(Asn1TaggedObject taggedObject)
{
if (taggedObject.TagNo == 0)
{
m_certificate = CmpCertificate.GetInstance(taggedObject.GetObject());
}
else if (taggedObject.TagNo == 1)
{
m_encryptedCert = EncryptedKey.GetInstance(taggedObject.GetObject());
}
else
{
throw new ArgumentException("unknown tag: " + taggedObject.TagNo, nameof(taggedObject));
}
}
public CertOrEncCert(CmpCertificate certificate)
{
if (certificate == null)
throw new ArgumentNullException(nameof(certificate));
m_certificate = certificate;
}
public CertOrEncCert(EncryptedValue encryptedValue)
{
if (encryptedValue == null)
throw new ArgumentNullException(nameof(encryptedValue));
m_encryptedCert = new EncryptedKey(encryptedValue);
}
public CertOrEncCert(EncryptedKey encryptedKey)
{
if (encryptedKey == null)
throw new ArgumentNullException(nameof(encryptedKey));
m_encryptedCert = encryptedKey;
}
public virtual CmpCertificate Certificate => m_certificate;
public virtual EncryptedKey EncryptedCert => m_encryptedCert;
/**
* <pre>
* CertOrEncCert ::= CHOICE {
* certificate [0] CMPCertificate,
* encryptedCert [1] EncryptedKey
* }
* </pre>
* @return a basic ASN.1 object representation.
*/
public override Asn1Object ToAsn1Object()
{
if (m_certificate != null)
return new DerTaggedObject(true, 0, m_certificate);
return new DerTaggedObject(true, 1, m_encryptedCert);
}
}
}
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