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Diffstat (limited to 'arch/arm/crypto/sha1_neon_glue.c')
-rw-r--r--arch/arm/crypto/sha1_neon_glue.c83
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");