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Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
89 lines
2.2 KiB
C
89 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Cryptographic API.
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* Glue code for the SHA1 Secure Hash Algorithm assembler implementation
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*
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* This file is based on sha1_generic.c and sha1_ssse3_glue.c
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*
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* Copyright (c) Alan Smithee.
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* Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk>
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* Copyright (c) Jean-Francois Dive <jef@linuxbe.org>
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* Copyright (c) Mathias Krause <minipli@googlemail.com>
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*/
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#include <crypto/internal/hash.h>
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/cryptohash.h>
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#include <linux/types.h>
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#include <crypto/sha.h>
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#include <crypto/sha1_base.h>
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#include <asm/byteorder.h>
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#include "sha1.h"
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asmlinkage void sha1_block_data_order(u32 *digest,
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const unsigned char *data, unsigned int rounds);
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int sha1_update_arm(struct shash_desc *desc, const u8 *data,
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unsigned int len)
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{
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/* make sure casting to sha1_block_fn() is safe */
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BUILD_BUG_ON(offsetof(struct sha1_state, state) != 0);
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return sha1_base_do_update(desc, data, len,
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(sha1_block_fn *)sha1_block_data_order);
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}
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EXPORT_SYMBOL_GPL(sha1_update_arm);
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static int sha1_final(struct shash_desc *desc, u8 *out)
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{
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sha1_base_do_finalize(desc, (sha1_block_fn *)sha1_block_data_order);
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return sha1_base_finish(desc, out);
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}
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int sha1_finup_arm(struct shash_desc *desc, const u8 *data,
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unsigned int len, u8 *out)
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{
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sha1_base_do_update(desc, data, len,
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(sha1_block_fn *)sha1_block_data_order);
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return sha1_final(desc, out);
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}
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EXPORT_SYMBOL_GPL(sha1_finup_arm);
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static struct shash_alg alg = {
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.digestsize = SHA1_DIGEST_SIZE,
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.init = sha1_base_init,
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.update = sha1_update_arm,
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.final = sha1_final,
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.finup = sha1_finup_arm,
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.descsize = sizeof(struct sha1_state),
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.base = {
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.cra_name = "sha1",
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.cra_driver_name= "sha1-asm",
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.cra_priority = 150,
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.cra_blocksize = SHA1_BLOCK_SIZE,
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.cra_module = THIS_MODULE,
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}
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};
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static int __init sha1_mod_init(void)
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{
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return crypto_register_shash(&alg);
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}
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static void __exit sha1_mod_fini(void)
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{
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crypto_unregister_shash(&alg);
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}
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module_init(sha1_mod_init);
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module_exit(sha1_mod_fini);
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm (ARM)");
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MODULE_ALIAS_CRYPTO("sha1");
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MODULE_AUTHOR("David McCullough <ucdevel@gmail.com>");
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