SignedPublicKeyAndChallenge
For parsing the SignedPublicKeyAndChallenge created by the KEYGEN tag included by Mozilla based browsers.
using Org.BouncyCastle.Asn1.X509;
using System;
namespace Org.BouncyCastle.Asn1.Mozilla
{
public class SignedPublicKeyAndChallenge : Asn1Encodable
{
private readonly PublicKeyAndChallenge m_publicKeyAndChallenge;
private readonly AlgorithmIdentifier m_signatureAlgorithm;
private readonly DerBitString m_signature;
public PublicKeyAndChallenge PublicKeyAndChallenge => m_publicKeyAndChallenge;
public DerBitString Signature => m_signature;
public AlgorithmIdentifier SignatureAlgorithm => m_signatureAlgorithm;
public static SignedPublicKeyAndChallenge GetInstance(object obj)
{
if (obj == null)
return null;
SignedPublicKeyAndChallenge signedPublicKeyAndChallenge = obj as SignedPublicKeyAndChallenge;
if (signedPublicKeyAndChallenge != null)
return signedPublicKeyAndChallenge;
return new SignedPublicKeyAndChallenge(Asn1Sequence.GetInstance(obj));
}
public static SignedPublicKeyAndChallenge GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return new SignedPublicKeyAndChallenge(Asn1Sequence.GetInstance(taggedObject, declaredExplicit));
}
public static SignedPublicKeyAndChallenge GetTagged(Asn1TaggedObject taggedObject, bool declaredExplicit)
{
return new SignedPublicKeyAndChallenge(Asn1Sequence.GetTagged(taggedObject, declaredExplicit));
}
public SignedPublicKeyAndChallenge(PublicKeyAndChallenge publicKeyAndChallenge, AlgorithmIdentifier signatureAlgorithm, DerBitString signature)
{
if (publicKeyAndChallenge == null)
throw new ArgumentNullException("publicKeyAndChallenge");
m_publicKeyAndChallenge = publicKeyAndChallenge;
if (signatureAlgorithm == null)
throw new ArgumentNullException("signatureAlgorithm");
m_signatureAlgorithm = signatureAlgorithm;
if (signature == null)
throw new ArgumentNullException("signature");
m_signature = signature;
}
private SignedPublicKeyAndChallenge(Asn1Sequence seq)
{
if (seq == null)
throw new ArgumentNullException("seq");
if (seq.Count != 3)
throw new ArgumentException($"""{seq.Count}", "seq");
m_publicKeyAndChallenge = PublicKeyAndChallenge.GetInstance(seq[0]);
m_signatureAlgorithm = AlgorithmIdentifier.GetInstance(seq[1]);
m_signature = DerBitString.GetInstance(seq[2]);
}
public override Asn1Object ToAsn1Object()
{
return new DerSequence(m_publicKeyAndChallenge, m_signatureAlgorithm, m_signature);
}
}
}