<PackageReference Include="BouncyCastle.Cryptography" Version="2.4.0" />

SignedPublicKeyAndChallenge

public class SignedPublicKeyAndChallenge : Asn1Encodable
For parsing the SignedPublicKeyAndChallenge created by the KEYGEN tag included by Mozilla based browsers.
public PublicKeyAndChallenge PublicKeyAndChallenge { get; }

public DerBitString Signature { get; }

public AlgorithmIdentifier SignatureAlgorithm { get; }

public SignedPublicKeyAndChallenge(PublicKeyAndChallenge publicKeyAndChallenge, AlgorithmIdentifier signatureAlgorithm, DerBitString signature)

public static SignedPublicKeyAndChallenge GetInstance(object obj)

public static SignedPublicKeyAndChallenge GetInstance(Asn1TaggedObject taggedObject, bool declaredExplicit)