The topic you requested is included in another documentation set. For convenience, it's displayed below. Choose Switch to see the topic in its original location.
CngKey::Exists Method (String^, CngProvider^)
.NET Framework (current version)
Checks to see whether a named key exists in the specified key storage provider (KSP).
Assembly: System.Core (in System.Core.dll)
Parameters
- keyName
-
Type:
System::String^
The key name.
- provider
-
Type:
System.Security.Cryptography::CngProvider^
The KSP to check for the key.
Return Value
Type: System::Booleantrue if the named key exists in the specified provider; otherwise, false.
| Exception | Condition |
|---|---|
| ArgumentNullException | keyName or provider is null. |
| PlatformNotSupportedException | Cryptography Next Generation (CNG) is not supported on this system. |
| CryptographicException | All other errors. |
Use this overload to check for the existence of a key in a KSP other than the default KSP, which is MicrosoftSoftwareKeyStorageProvider.
.NET Framework
Available since 3.5
Available since 3.5
Show: