# NCryptFinalizeKey with Key storage provider (KSP)
<a name="ksp-library-apis-finalize-key"></a>

The `NCryptFinalizeKey` function completes a KSP key. You must call this function before you can use the key.

## Parameters
<a name="ksp-library-apis-finalize-key-parameters"></a>

 `hKey` [in]   
 The handle of the key to complete. Get this handle by calling the [NCryptCreatePersistedKey](ksp-library-apis-create-persisted-key.md) function.

`dwFlags` [in]  
Flags to modify the function's behavior. You can use zero or these values:    
****    
[\[See the AWS documentation website for more details\]](http://docs.aws.amazon.com/cloudhsm/latest/userguide/ksp-library-apis-finalize-key.html)

## Return Value
<a name="ksp-library-apis-finalize-key-return-value"></a>

The function returns a status code to indicate success or failure.

Common return codes include:


****  

| Return code | Description | 
| --- | --- | 
|  ERROR\$1SUCCESS  |  The operation completed successfully.  | 
|  NTE\$1FAIL  |  The operation couldn't complete.  | 
|  NTE\$1INVALID\$1HANDLE  |  The handle in `hKey` is not valid.  | 
|  NTE\$1NOT\$1SUPPORTED  |  The `dwFlags` parameter contains a value that is not supported.  | 
|  NTE\$1BAD\$1FLAGS  |  The `dwFlags` parameter contains an invalid value.  |