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using System;
using Org.BouncyCastle.Asn1.X509;
namespace Org.BouncyCastle.Asn1.Mozilla
{
/// <summary>
/// For parsing the PublicKeyAndChallenge created by the KEYGEN tag included by Mozilla based browsers.
/// </summary>
/// <remarks>
/// <code>
/// PublicKeyAndChallenge ::= SEQUENCE
/// {
/// spki SubjectPublicKeyInfo,
/// challenge IA5STRING
/// }
/// </code>
/// </remarks>
public class PublicKeyAndChallenge
: Asn1Encodable
{
public static PublicKeyAndChallenge GetInstance(object obj)
{
if (obj == null)
return null;
if (obj is PublicKeyAndChallenge publicKeyAndChallenge)
return publicKeyAndChallenge;
#pragma warning disable CS0618 // Type or member is obsolete
return new PublicKeyAndChallenge(Asn1Sequence.GetInstance(obj));
#pragma warning restore CS0618 // Type or member is obsolete
}
public static PublicKeyAndChallenge GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
#pragma warning disable CS0618 // Type or member is obsolete
return new PublicKeyAndChallenge(Asn1Sequence.GetInstance(taggedObject, declaredExplicit));
#pragma warning restore CS0618 // Type or member is obsolete
}
private readonly SubjectPublicKeyInfo m_spki;
private readonly DerIA5String m_challenge;
public PublicKeyAndChallenge(SubjectPublicKeyInfo spki, DerIA5String challenge)
{
m_spki = spki ?? throw new ArgumentNullException(nameof(spki));
m_challenge = challenge ?? throw new ArgumentNullException(nameof(m_challenge));
}
[Obsolete("Use 'GetInstance' instead")]
public PublicKeyAndChallenge(Asn1Sequence seq)
{
if (seq == null)
throw new ArgumentNullException(nameof(seq));
if (seq.Count != 2)
throw new ArgumentException($"Expected 2 elements, but found {seq.Count}", nameof(seq));
m_spki = SubjectPublicKeyInfo.GetInstance(seq[0]);
m_challenge = DerIA5String.GetInstance(seq[1]);
}
public DerIA5String Challenge => m_challenge;
public SubjectPublicKeyInfo Spki => m_spki;
[Obsolete("Use 'Spki' instead")]
public SubjectPublicKeyInfo SubjectPublicKeyInfo => m_spki;
public override Asn1Object ToAsn1Object() => new DerSequence(m_spki, m_challenge);
}
}
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