CngKey.HasProperty(String, CngPropertyOptions) Method

Reference

Definition

Namespace:: System.Security.Cryptography

Assembly:: System.Security.Cryptography.Cng.dll

Assembly:: System.Security.Cryptography.dll

Assembly:: System.Core.dll

Source:: Cng.NotSupported.cs

Source:: Cng.NotSupported.cs

Source:: Cng.NotSupported.cs

Important

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

Checks to see whether the specified property exists on the key.

public:
 bool HasProperty(System::String ^ name, System::Security::Cryptography::CngPropertyOptions options);

public bool HasProperty (string name, System.Security.Cryptography.CngPropertyOptions options);

[System.Security.SecurityCritical]
public bool HasProperty (string name, System.Security.Cryptography.CngPropertyOptions options);

member this.HasProperty : string * System.Security.Cryptography.CngPropertyOptions -> bool

[<System.Security.SecurityCritical>]
member this.HasProperty : string * System.Security.Cryptography.CngPropertyOptions -> bool

Public Function HasProperty (name As String, options As CngPropertyOptions) As Boolean

Parameters

name: String

The property name to check.

options: CngPropertyOptions

A bitwise combination of the enumeration values that specify options for the named property.

Returns

Boolean

true if the specified property is found; otherwise, false.

Attributes: SecurityCriticalAttribute

Exceptions

ArgumentNullException

name is null.

Remarks

The options parameter is specifically used to indicate the following:

Whether the property is built-in, or custom.
Whether the property should be persisted with the key.

These options must match the value that the property was set with, or the property will not be found.

This method operates correctly even if the property is set to false or zero.

Applies to