diff options
Diffstat (limited to 'arch/arm/crypto/sha1_neon_glue.c')
-rw-r--r-- | arch/arm/crypto/sha1_neon_glue.c | 83 |
1 files changed, 0 insertions, 83 deletions
diff --git a/arch/arm/crypto/sha1_neon_glue.c b/arch/arm/crypto/sha1_neon_glue.c deleted file mode 100644 index d321850f22a6..000000000000 --- a/arch/arm/crypto/sha1_neon_glue.c +++ /dev/null @@ -1,83 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Glue code for the SHA1 Secure Hash Algorithm assembler implementation using - * ARM NEON instructions. - * - * Copyright © 2014 Jussi Kivilinna <jussi.kivilinna@iki.fi> - * - * 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> - * Copyright (c) Chandramouli Narayanan <mouli@linux.intel.com> - */ - -#include <asm/neon.h> -#include <crypto/internal/hash.h> -#include <crypto/sha1.h> -#include <crypto/sha1_base.h> -#include <linux/kernel.h> -#include <linux/module.h> - -asmlinkage void sha1_transform_neon(struct sha1_state *state_h, - const u8 *data, int rounds); - -static int sha1_neon_update(struct shash_desc *desc, const u8 *data, - unsigned int len) -{ - int remain; - - kernel_neon_begin(); - remain = sha1_base_do_update_blocks(desc, data, len, - sha1_transform_neon); - kernel_neon_end(); - - return remain; -} - -static int sha1_neon_finup(struct shash_desc *desc, const u8 *data, - unsigned int len, u8 *out) -{ - kernel_neon_begin(); - sha1_base_do_finup(desc, data, len, sha1_transform_neon); - kernel_neon_end(); - - return sha1_base_finish(desc, out); -} - -static struct shash_alg alg = { - .digestsize = SHA1_DIGEST_SIZE, - .init = sha1_base_init, - .update = sha1_neon_update, - .finup = sha1_neon_finup, - .descsize = SHA1_STATE_SIZE, - .base = { - .cra_name = "sha1", - .cra_driver_name = "sha1-neon", - .cra_priority = 250, - .cra_flags = CRYPTO_AHASH_ALG_BLOCK_ONLY, - .cra_blocksize = SHA1_BLOCK_SIZE, - .cra_module = THIS_MODULE, - } -}; - -static int __init sha1_neon_mod_init(void) -{ - if (!cpu_has_neon()) - return -ENODEV; - - return crypto_register_shash(&alg); -} - -static void __exit sha1_neon_mod_fini(void) -{ - crypto_unregister_shash(&alg); -} - -module_init(sha1_neon_mod_init); -module_exit(sha1_neon_mod_fini); - -MODULE_LICENSE("GPL"); -MODULE_DESCRIPTION("SHA1 Secure Hash Algorithm, NEON accelerated"); -MODULE_ALIAS_CRYPTO("sha1"); |