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

ProofOfPossession

public const int TYPE_KEY_AGREEMENT = 3

public const int TYPE_KEY_ENCIPHERMENT = 2

public const int TYPE_RA_VERIFIED = 0

public const int TYPE_SIGNING_KEY = 1

public virtual Asn1Encodable Object { get; }

public virtual int Type { get; }

public ProofOfPossession(int type, PopoPrivKey privkey)

public static ProofOfPossession GetInstance(object obj)