C_Finalize

Clean up miscellaneous Cryptoki-associated resources.

CK_DECLARE_FUNCTION( CK_RV, C_Finalize )( CK_VOID_PTR pReserved )
{
    CK_RV xResult = CKR_OK;
 
    if( pReserved != NULL )
    {
        xResult = CKR_ARGUMENTS_BAD;
        LogError( ( "Failed to un-initialize PKCS #11. Received bad arguments. "
                    "Parameters must be NULL, but were not." ) );
    }
 
    if( xResult == CKR_OK )
    {
        /* MISRA Ref 10.5.1 [Essential type casting] */
        /* More details at: https://github.com/FreeRTOS/corePKCS11/blob/main/MISRA.md#rule-105 */
        /* coverity[misra_c_2012_rule_10_5_violation] */
        if( xP11Context.xIsInitialized == ( CK_BBOOL ) CK_FALSE )
        {
            xResult = CKR_CRYPTOKI_NOT_INITIALIZED;
            LogWarn( ( "PKCS #11 was already uninitialized." ) );
        }
    }
 
    if( xResult == CKR_OK )
    {
        mbedtls_entropy_free( &xP11Context.xMbedEntropyContext );
        mbedtls_ctr_drbg_free( &xP11Context.xMbedDrbgCtx );
        mbedtls_mutex_free( &xP11Context.xObjectList.xMutex );
        mbedtls_mutex_free( &xP11Context.xSessionMutex );
 
        /* MISRA Ref 10.5.1 [Essential type casting] */
        /* More details at: https://github.com/FreeRTOS/corePKCS11/blob/main/MISRA.md#rule-105 */
        /* coverity[misra_c_2012_rule_10_5_violation] */
        xP11Context.xIsInitialized = ( CK_BBOOL ) CK_FALSE;
        LogInfo( ( "PKCS #11 was successfully uninitialized." ) );
    }
 
    return xResult;
}