<PackageReference Include="BouncyCastle.Cryptography" Version="2.7.0" />

Org.BouncyCastle.Crmf.ProofOfPossessionSigningKeyBuilder

namespace Org.BouncyCastle.Crmf { public class ProofOfPossessionSigningKeyBuilder { public ProofOfPossessionSigningKeyBuilder(CertRequest certRequest); public ProofOfPossessionSigningKeyBuilder(SubjectPublicKeyInfo pubKeyInfo); public ProofOfPossessionSigningKeyBuilder SetSender(GeneralName name); public ProofOfPossessionSigningKeyBuilder SetPublicKeyMac(PKMacBuilder generator, char[] password); public PopoSigningKey Build(ISignatureFactory signer); } }