[thirdparty/kernel/stable.git] / crypto / fips.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * FIPS 200 support.
 *
 * Copyright (c) 2008 Neil Horman <nhorman@tuxdriver.com>
 */

#include <linux/export.h>
#include <linux/fips.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/sysctl.h>

int fips_enabled;
EXPORT_SYMBOL_GPL(fips_enabled);

/* Process kernel command-line parameter at boot time. fips=0 or fips=1 */
static int fips_enable(char *str)
{
	fips_enabled = !!simple_strtol(str, NULL, 0);
	printk(KERN_INFO "fips mode: %s\n",
		fips_enabled ? "enabled" : "disabled");
	return 1;
}

__setup("fips=", fips_enable);

static struct ctl_table crypto_sysctl_table[] = {
	{
		.procname       = "fips_enabled",
		.data           = &fips_enabled,
		.maxlen         = sizeof(int),
		.mode           = 0444,
		.proc_handler   = proc_dointvec
	},
	{}
};

static struct ctl_table crypto_dir_table[] = {
	{
		.procname       = "crypto",
		.mode           = 0555,
		.child          = crypto_sysctl_table
	},
	{}
};

static struct ctl_table_header *crypto_sysctls;

static void crypto_proc_fips_init(void)
{
	crypto_sysctls = register_sysctl_table(crypto_dir_table);
}

static void crypto_proc_fips_exit(void)
{
	unregister_sysctl_table(crypto_sysctls);
}

static int __init fips_init(void)
{
	crypto_proc_fips_init();
	return 0;
}

static void __exit fips_exit(void)
{
	crypto_proc_fips_exit();
}

subsys_initcall(fips_init);
module_exit(fips_exit);
Commit	Line	Data
2874c5fd	1	// SPDX-License-Identifier: GPL-2.0-or-later
ccb778e1 NH	2	/*
	3	* FIPS 200 support.
	4	*
	5	* Copyright (c) 2008 Neil Horman <nhorman@tuxdriver.com>
ccb778e1 NH	6	*/
ccb778e1 NH	7
76450f93 HX	8	#include <linux/export.h>
	9	#include <linux/fips.h>
	10	#include <linux/init.h>
94072cb2	11	#include <linux/module.h>
76450f93	12	#include <linux/kernel.h>
94072cb2	13	#include <linux/sysctl.h>
ccb778e1 NH	14
	15	int fips_enabled;
	16	EXPORT_SYMBOL_GPL(fips_enabled);
	17
	18	/* Process kernel command-line parameter at boot time. fips=0 or fips=1 */
	19	static int fips_enable(char *str)
	20	{
	21	fips_enabled = !!simple_strtol(str, NULL, 0);
	22	printk(KERN_INFO "fips mode: %s\n",
	23	fips_enabled ? "enabled" : "disabled");
	24	return 1;
	25	}
	26
	27	__setup("fips=", fips_enable);
94072cb2 HX	28
	29	static struct ctl_table crypto_sysctl_table[] = {
	30	{
	31	.procname = "fips_enabled",
	32	.data = &fips_enabled,
	33	.maxlen = sizeof(int),
	34	.mode = 0444,
	35	.proc_handler = proc_dointvec
	36	},
	37	{}
	38	};
	39
	40	static struct ctl_table crypto_dir_table[] = {
	41	{
	42	.procname = "crypto",
	43	.mode = 0555,
	44	.child = crypto_sysctl_table
	45	},
	46	{}
	47	};
	48
	49	static struct ctl_table_header *crypto_sysctls;
	50
	51	static void crypto_proc_fips_init(void)
	52	{
	53	crypto_sysctls = register_sysctl_table(crypto_dir_table);
	54	}
	55
	56	static void crypto_proc_fips_exit(void)
	57	{
	58	unregister_sysctl_table(crypto_sysctls);
	59	}
	60
	61	static int __init fips_init(void)
	62	{
	63	crypto_proc_fips_init();
	64	return 0;
	65	}
	66
	67	static void __exit fips_exit(void)
	68	{
	69	crypto_proc_fips_exit();
	70	}
	71
c4741b23	72	subsys_initcall(fips_init);
94072cb2	73	module_exit(fips_exit);