linux/security/integrity/platform_certs/platform_keyring.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * Platform keyring for firmware/platform keys
 *
 * Copyright IBM Corporation, 2018
 * Author(s): Nayna Jain <[email protected]>
 */

#include <linux/export.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/cred.h>
#include <linux/err.h>
#include <linux/slab.h>
#include "../integrity.h"

/**
 * add_to_platform_keyring - Add to platform keyring without validation.
 * @source: Source of key
 * @data: The blob holding the key
 * @len: The length of the data blob
 *
 * Add a key to the platform keyring without checking its trust chain.  This
 * is available only during kernel initialisation.
 */
void __init add_to_platform_keyring(const char *source, const void *data,
				    size_t len)
{ … }

/*
 * Create the trusted keyrings.
 */
static __init int platform_keyring_init(void)
{ … }

/*
 * Must be initialised before we try and load the keys into the keyring.
 */
device_initcall(platform_keyring_init);