<PackageReference Include="BouncyCastle.Cryptography" Version="2.5.1" />

Org.BouncyCastle.Asn1.X509.KeyUsage

public class KeyUsage : DerBitString
namespace Org.BouncyCastle.Asn1.X509 { public class KeyUsage : DerBitString { public const int DigitalSignature = 128; public const int NonRepudiation = 64; public const int KeyEncipherment = 32; public const int DataEncipherment = 16; public const int KeyAgreement = 8; public const int KeyCertSign = 4; public const int CrlSign = 2; public const int EncipherOnly = 1; public const int DecipherOnly = 32768; public new static KeyUsage GetInstance(object obj); public static KeyUsage FromExtensions(X509Extensions extensions); public KeyUsage(int usage); } }