CngKey.Exists Method (String, CngProvider)

 

Checks to see whether a named key exists in the specified key storage provider (KSP).

Namespace:   System.Security.Cryptography
Assembly:  System.Core (in System.Core.dll)

public static bool Exists(
	string keyName,
	CngProvider provider
)

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.Boolean

true 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
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