CngKeyUsages Enum
Definition
Important
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Specifies the cryptographic operations that a Cryptography Next Generation (CNG) key may be used with.
This enumeration supports a bitwise combination of its member values.
public enum class CngKeyUsages
[System.Flags]
public enum CngKeyUsages
[<System.Flags>]
type CngKeyUsages =
Public Enum CngKeyUsages
- Inheritance
- Attributes
Fields
AllUsages | 16777215 | The key can be used for all purposes. |
Decryption | 1 | The key can be used for encryption and decryption. |
KeyAgreement | 4 | The key can be used for secret agreement generation and key exchange. |
None | 0 | No usage values are assigned to the key. |
Signing | 2 | The key can be used for signing and verification. |
Remarks
Not all operations apply to each key. For example, an Elliptic Curve Digital Signature Algorithm (ECDSA) key cannot be used for decryption even if the Decryption usage is set.
Applies to
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