AesCng Constructor (String^, CngProvider^, CngKeyOpenOptions)
Initializes a new instance of the AesCng class with the specified key name, which represents an existing persisted AES key, the specified key storage provider (KSP) and key open options.
Assembly: System.Core (in System.Core.dll)
Parameters
- keyName
-
Type:
System::String^
The name of the key.
- provider
-
Type:
System.Security.Cryptography::CngProvider^
The KSP that contains the key.
- openOptions
-
Type:
System.Security.Cryptography::CngKeyOpenOptions
A bitwise combination of the enumeration values that specify options for opening the key, such as where the key is opened from (machine or user storage) and whether to suppress UI prompting.
| Exception | Condition |
|---|---|
| ArgumentNullException | keyName is null. -or- provider is null. |
| PlatformNotSupportedException | Cryptography Next Generation (CNG) is not supported on this system. |
| CryptographicException | All other errors. |
Available since 4.6.2