mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 01:15:15 +07:00
90451d6bdb
This removes all the boilerplate from the existing implementation, and replaces it with calls into the base layer. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
96 lines
2.4 KiB
C
96 lines
2.4 KiB
C
/*
|
|
* Cryptographic API.
|
|
* Glue code for the SHA1 Secure Hash Algorithm assembler implementation
|
|
*
|
|
* This file is based on sha1_generic.c and sha1_ssse3_glue.c
|
|
*
|
|
* Copyright (c) Alan Smithee.
|
|
* Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk>
|
|
* Copyright (c) Jean-Francois Dive <jef@linuxbe.org>
|
|
* Copyright (c) Mathias Krause <minipli@googlemail.com>
|
|
*
|
|
* 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 option)
|
|
* any later version.
|
|
*
|
|
*/
|
|
|
|
#include <crypto/internal/hash.h>
|
|
#include <linux/init.h>
|
|
#include <linux/module.h>
|
|
#include <linux/cryptohash.h>
|
|
#include <linux/types.h>
|
|
#include <crypto/sha.h>
|
|
#include <crypto/sha1_base.h>
|
|
#include <asm/byteorder.h>
|
|
|
|
#include "sha1.h"
|
|
|
|
asmlinkage void sha1_block_data_order(u32 *digest,
|
|
const unsigned char *data, unsigned int rounds);
|
|
|
|
int sha1_update_arm(struct shash_desc *desc, const u8 *data,
|
|
unsigned int len)
|
|
{
|
|
/* make sure casting to sha1_block_fn() is safe */
|
|
BUILD_BUG_ON(offsetof(struct sha1_state, state) != 0);
|
|
|
|
return sha1_base_do_update(desc, data, len,
|
|
(sha1_block_fn *)sha1_block_data_order);
|
|
}
|
|
EXPORT_SYMBOL_GPL(sha1_update_arm);
|
|
|
|
static int sha1_final(struct shash_desc *desc, u8 *out)
|
|
{
|
|
sha1_base_do_finalize(desc, (sha1_block_fn *)sha1_block_data_order);
|
|
return sha1_base_finish(desc, out);
|
|
}
|
|
|
|
int sha1_finup_arm(struct shash_desc *desc, const u8 *data,
|
|
unsigned int len, u8 *out)
|
|
{
|
|
sha1_base_do_update(desc, data, len,
|
|
(sha1_block_fn *)sha1_block_data_order);
|
|
return sha1_final(desc, out);
|
|
}
|
|
EXPORT_SYMBOL_GPL(sha1_finup_arm);
|
|
|
|
static struct shash_alg alg = {
|
|
.digestsize = SHA1_DIGEST_SIZE,
|
|
.init = sha1_base_init,
|
|
.update = sha1_update_arm,
|
|
.final = sha1_final,
|
|
.finup = sha1_finup_arm,
|
|
.descsize = sizeof(struct sha1_state),
|
|
.base = {
|
|
.cra_name = "sha1",
|
|
.cra_driver_name= "sha1-asm",
|
|
.cra_priority = 150,
|
|
.cra_flags = CRYPTO_ALG_TYPE_SHASH,
|
|
.cra_blocksize = SHA1_BLOCK_SIZE,
|
|
.cra_module = THIS_MODULE,
|
|
}
|
|
};
|
|
|
|
|
|
static int __init sha1_mod_init(void)
|
|
{
|
|
return crypto_register_shash(&alg);
|
|
}
|
|
|
|
|
|
static void __exit sha1_mod_fini(void)
|
|
{
|
|
crypto_unregister_shash(&alg);
|
|
}
|
|
|
|
|
|
module_init(sha1_mod_init);
|
|
module_exit(sha1_mod_fini);
|
|
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm (ARM)");
|
|
MODULE_ALIAS_CRYPTO("sha1");
|
|
MODULE_AUTHOR("David McCullough <ucdevel@gmail.com>");
|