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using System;
using Org.BouncyCastle.Asn1.X509;
namespace Org.BouncyCastle.Asn1.Crmf
{
public class PopoSigningKeyInput
: Asn1Encodable
{
public static PopoSigningKeyInput GetInstance(object obj)
{
if (obj == null)
return null;
if (obj is PopoSigningKeyInput popoSigningKeyInput)
return popoSigningKeyInput;
return new PopoSigningKeyInput(Asn1Sequence.GetInstance(obj));
}
public static PopoSigningKeyInput GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return new PopoSigningKeyInput(Asn1Sequence.GetInstance(taggedObject, declaredExplicit));
}
private readonly GeneralName m_sender;
private readonly PKMacValue m_publicKeyMac;
private readonly SubjectPublicKeyInfo m_publicKey;
private PopoSigningKeyInput(Asn1Sequence seq)
{
int count = seq.Count;
if (count != 2)
throw new ArgumentException("Bad sequence size: " + count, nameof(seq));
Asn1Encodable authInfo = (Asn1Encodable)seq[0];
if (authInfo is Asn1TaggedObject tagObj)
{
m_sender = GeneralName.GetInstance(Asn1Utilities.GetExplicitContextBaseObject(tagObj, 0));
}
else
{
m_publicKeyMac = PKMacValue.GetInstance(authInfo);
}
m_publicKey = SubjectPublicKeyInfo.GetInstance(seq[1]);
}
/** Creates a new PopoSigningKeyInput with sender name as authInfo. */
public PopoSigningKeyInput(GeneralName sender, SubjectPublicKeyInfo spki)
{
m_sender = sender ?? throw new ArgumentNullException(nameof(sender));
m_publicKey = spki ?? throw new ArgumentNullException(nameof(spki));
}
/** Creates a new PopoSigningKeyInput using password-based MAC. */
public PopoSigningKeyInput(PKMacValue pkmac, SubjectPublicKeyInfo spki)
{
m_publicKeyMac = pkmac ?? throw new ArgumentNullException(nameof(pkmac));
m_publicKey = spki ?? throw new ArgumentNullException(nameof(spki));
}
/** Returns the sender field, or null if authInfo is publicKeyMac */
public virtual GeneralName Sender => m_sender;
/** Returns the publicKeyMac field, or null if authInfo is sender */
public virtual PKMacValue PublicKeyMac => m_publicKeyMac;
public virtual SubjectPublicKeyInfo PublicKey => m_publicKey;
/**
* <pre>
* PopoSigningKeyInput ::= SEQUENCE {
* authInfo CHOICE {
* sender [0] GeneralName,
* -- used only if an authenticated identity has been
* -- established for the sender (e.g., a DN from a
* -- previously-issued and currently-valid certificate
* publicKeyMac PKMacValue },
* -- used if no authenticated GeneralName currently exists for
* -- the sender; publicKeyMac contains a password-based MAC
* -- on the DER-encoded value of publicKey
* publicKey SubjectPublicKeyInfo } -- from CertTemplate
* </pre>
* @return a basic ASN.1 object representation.
*/
public override Asn1Object ToAsn1Object()
{
Asn1EncodableVector v = new Asn1EncodableVector(2);
if (m_sender != null)
{
v.Add(new DerTaggedObject(true, 0, m_sender));
}
else
{
v.Add(m_publicKeyMac);
}
v.Add(m_publicKey);
return new DerSequence(v);
}
}
}
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