X509KeyUsageFlags Enum

Definition

Defines how the certificate key can be used. If this value is not defined, the key can be used for any purpose.

This enumeration has a FlagsAttribute attribute that allows a bitwise combination of its member values.

public enum class X509KeyUsageFlags
[System.Flags]
public enum X509KeyUsageFlags
type X509KeyUsageFlags = 
Public Enum X509KeyUsageFlags
Inheritance
X509KeyUsageFlags
Attributes

Fields

CrlSign 2

The key can be used to sign a certificate revocation list (CRL).

DataEncipherment 16

The key can be used for data encryption.

DecipherOnly 32768

The key can be used for decryption only.

DigitalSignature 128

The key can be used as a digital signature.

EncipherOnly 1

The key can be used for encryption only.

KeyAgreement 8

The key can be used to determine key agreement, such as a key created using the Diffie-Hellman key agreement algorithm.

KeyCertSign 4

The key can be used to sign certificates.

KeyEncipherment 32

The key can be used for key encryption.

None 0

No key usage parameters.

NonRepudiation 64

The key can be used for authentication.

Remarks

This class is an implementation of a commonly used extension that is mapped by default to the CryptoConfig file. When the Extensions property of the X509Certificate2 class is invoked, this class can be used directly.

Applies to