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SafeNCryptProviderHandle Class

Provides a safe handle that represents a key storage provider (NCRYPT_PROV_HANDLE).

Namespace:  Microsoft.Win32.SafeHandles
Assembly:  System.Core (in System.Core.dll)

[HostProtectionAttribute(SecurityAction.LinkDemand, MayLeakOnAbort = true)]
[SecurityPermissionAttribute(SecurityAction.LinkDemand, UnmanagedCode = true)]
public sealed class SafeNCryptProviderHandle : SafeNCryptHandle

The SafeNCryptProviderHandle type exposes the following members.

  NameDescription
Public methodSafeNCryptProviderHandleInitializes a new instance of the SafeNCryptProviderHandle class.
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  NameDescription
Public propertyIsClosedGets a value indicating whether the handle is closed. (Inherited from SafeHandle.)
Public propertyIsInvalidGets a value that indicates whether the handle is invalid. (Inherited from SafeHandleZeroOrMinusOneIsInvalid.)
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  NameDescription
Public methodCloseMarks the handle for releasing and freeing resources. (Inherited from SafeHandle.)
Public methodDangerousAddRefManually increments the reference counter on SafeHandle instances. (Inherited from SafeHandle.)
Public methodDangerousGetHandleReturns the value of the handle field. (Inherited from SafeHandle.)
Public methodDangerousReleaseManually decrements the reference counter on a SafeHandle instance. (Inherited from SafeHandle.)
Public methodDispose()Releases all resources used by the SafeHandle class. (Inherited from SafeHandle.)
Protected methodDispose(Boolean)Releases the unmanaged resources used by the SafeHandle class specifying whether to perform a normal dispose operation. (Inherited from SafeHandle.)
Public methodEquals(Object)Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected methodFinalizeFrees all resources associated with the handle. (Inherited from SafeHandle.)
Public methodGetHashCodeServes as a hash function for a particular type. (Inherited from Object.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Protected methodReleaseHandleInfrastructure. Releases a handle used by a Cryptography Next Generation (CNG) object. (Inherited from SafeNCryptHandle.)
Protected methodReleaseNativeHandleInfrastructure. Releases a native handle used by a Cryptography Next Generation (CNG) object. (Inherited from SafeNCryptHandle.)
Protected methodSetHandleSets the handle to the specified pre-existing handle. (Inherited from SafeHandle.)
Public methodSetHandleAsInvalidMarks a handle as no longer used. (Inherited from SafeHandle.)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)
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  NameDescription
Protected fieldhandleSpecifies the handle to be wrapped. (Inherited from SafeHandle.)
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This class should be used when working with native code that expects an NCRYPT_PROV_HANDLE.

NoteNote

The HostProtectionAttribute attribute applied to this type or member has the following Resources property value: MayLeakOnAbort. The HostProtectionAttribute does not affect desktop applications (which are typically started by double-clicking an icon, typing a command, or entering a URL in a browser). For more information, see the HostProtectionAttribute class or SQL Server Programming and Host Protection Attributes.

.NET Framework

Supported in: 4, 3.5

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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