crypto: rng - Remove krng

obj-$(CONFIG_CRYPTO_LZ4HC) += lz4hc.o

obj-$(CONFIG_CRYPTO_842) += 842.o

obj-$(CONFIG_CRYPTO_RNG2) += rng.o

obj-$(CONFIG_CRYPTO_RNG2) += krng.o

obj-$(CONFIG_CRYPTO_ANSI_CPRNG) += ansi_cprng.o

obj-$(CONFIG_CRYPTO_DRBG) += drbg.o

CFLAGS_jitterentropy.o = -O0

/*

 * RNG implementation using standard kernel RNG.

 *

 * Copyright (c) 2008 Herbert Xu <herbert@gondor.apana.org.au>

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License as published by the

 * Free Software Foundation; either version 2 of the License, or (at your

 * any later version.

 *

 */

#include <crypto/internal/rng.h>

#include <linux/err.h>

#include <linux/init.h>

#include <linux/module.h>

#include <linux/random.h>

static int krng_generate(struct crypto_rng *tfm,

			 const u8 *src, unsigned int slen,

			 u8 *rdata, unsigned int dlen)

{

	get_random_bytes(rdata, dlen);

	return 0;

}

static int krng_seed(struct crypto_rng *tfm, const u8 *seed, unsigned int slen)

{

	return 0;

}

static struct rng_alg krng_alg = {

	.generate		= krng_generate,

	.seed			= krng_seed,

	.base			=	{

		.cra_name		= "stdrng",

		.cra_driver_name	= "krng",

		.cra_priority		= 200,

		.cra_module		= THIS_MODULE,

	}

};

/* Module initalization */

static int __init krng_mod_init(void)

{

	return crypto_register_rng(&krng_alg);

}

static void __exit krng_mod_fini(void)

{

	crypto_unregister_rng(&krng_alg);

}

module_init(krng_mod_init);

module_exit(krng_mod_fini);

MODULE_LICENSE("GPL");

MODULE_DESCRIPTION("Kernel Random Number Generator");

MODULE_ALIAS_CRYPTO("stdrng");

MODULE_ALIAS_CRYPTO("krng");