<PackageReference Include="BouncyCastle.Cryptography" Version="2.3.0" />

PgpKeyFlags

public abstract class PgpKeyFlags
namespace Org.BouncyCastle.Bcpg.OpenPgp { public abstract class PgpKeyFlags { public const int CanCertify = 1; public const int CanSign = 2; public const int CanEncryptCommunications = 4; public const int CanEncryptStorage = 8; public const int MaybeSplit = 16; public const int MaybeShared = 128; } }