PublicKeyAndChallenge
For parsing the PublicKeyAndChallenge created by the KEYGEN tag included by Mozilla based browsers.
using Org.BouncyCastle.Asn1.X509;
using System;
using System.Runtime.CompilerServices;
namespace Org.BouncyCastle.Asn1.Mozilla
{
public class PublicKeyAndChallenge : Asn1Encodable
{
private readonly SubjectPublicKeyInfo m_spki;
private readonly DerIA5String m_challenge;
public DerIA5String Challenge => m_challenge;
public SubjectPublicKeyInfo Spki => m_spki;
[Obsolete("Use 'Spki' instead")]
public SubjectPublicKeyInfo SubjectPublicKeyInfo {
get {
return m_spki;
}
}
public static PublicKeyAndChallenge GetInstance(object obj)
{
if (obj == null)
return null;
PublicKeyAndChallenge publicKeyAndChallenge = obj as PublicKeyAndChallenge;
if (publicKeyAndChallenge != null)
return publicKeyAndChallenge;
return new PublicKeyAndChallenge(Asn1Sequence.GetInstance(obj));
}
public static PublicKeyAndChallenge GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return new PublicKeyAndChallenge(Asn1Sequence.GetInstance(taggedObject, declaredExplicit));
}
public static PublicKeyAndChallenge GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return new PublicKeyAndChallenge(Asn1Sequence.GetTagged(taggedObject, declaredExplicit));
}
public PublicKeyAndChallenge(SubjectPublicKeyInfo spki, DerIA5String challenge)
{
if (spki == null)
throw new ArgumentNullException("spki");
m_spki = spki;
if (challenge == null)
throw new ArgumentNullException("m_challenge");
m_challenge = challenge;
}
[Obsolete("Use 'GetInstance' instead")]
public PublicKeyAndChallenge(Asn1Sequence seq)
{
if (seq == null)
throw new ArgumentNullException("seq");
if (seq.Count != 2) {
DefaultInterpolatedStringHandler defaultInterpolatedStringHandler = new DefaultInterpolatedStringHandler(31, 1);
defaultInterpolatedStringHandler.AppendLiteral("Expected 2 elements, but found ");
defaultInterpolatedStringHandler.AppendFormatted(seq.Count);
throw new ArgumentException(defaultInterpolatedStringHandler.ToStringAndClear(), "seq");
}
m_spki = SubjectPublicKeyInfo.GetInstance(seq[0]);
m_challenge = DerIA5String.GetInstance(seq[1]);
}
public override Asn1Object ToAsn1Object()
{
return new DerSequence(m_spki, m_challenge);
}
}
}