KeyUsage Enum
Definition
Important
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Defines the operations that a certificate key pair can perform.
public enum KeyUsagetype KeyUsage = Public Enum KeyUsage- Inheritance
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KeyUsage
Fields
| Name | Value | Description |
|---|---|---|
| InvalidUsage | 0 | An invalid usage. This value should never be used. |
| Sign | 1 | The key may be used to sign a message. |
| EncryptKey | 2 | The key may be used to encrypt a symmetric or asymmetric key. |
| SignCrl | 3 | The key may be used to sign a certificate revocation list (CRL). |
| IssuerAll | 4 | The key may be used to issue any type of certificate or feature. |
| IssuerIndiv | 5 | The key may be used to issue Indiv Issuer certificates or Indiv leaf certificates. |
| IssuerDevice | 6 | The key may be used to issue Device Issuer certificates or Device leaf certificates. |
| IssuerLink | 7 | The key may be used to issue Link Issuer certificates or Link leaf certificates. |
| IssuerDomain | 8 | The key may be used to issue DomainController Issuer certificates or Domain leaf certificates. |
| IssuerSilverlight | 9 | The key may be used to issue Silverlight Issuer certificates or Silverlight leaf certificates. |
| IssuerApplication | 10 | The key may be used to issue Application certificate issuer certificates or Application leaf certificates. |
| IssuerCrl | 11 | The key may be used to issue CRL issuer certificates or CRL signer certificates. |
| IssuerMetering | 12 | The key may be used to issue Metering certificate issuer certificates or Metering leaf certificates. |
| IssuerSignKeyFile | 13 | Obsolete. The key may be used to issue Key File Signer certificate issuer certificates or Key File Signer leaf certificates. |
| SignKeyFile | 14 | Obsolete. The key may be used to sign KeyFiles. |
| IssuerServer | 15 | The key may be used to issue Server certificate issuer certificates or Server leaf certificates. |
| SignResponse | 20 | The key may be used to sign responses. |