From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/crypto/aegis.h | 46 ++++++++++++++--------------------------------
1 files changed, 14 insertions(+), 32 deletions(-)
diff --git a/kernel/crypto/aegis.h b/kernel/crypto/aegis.h
index 405e025..6920ebe 100644
--- a/kernel/crypto/aegis.h
+++ b/kernel/crypto/aegis.h
@@ -1,20 +1,16 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* AEGIS common definitions
*
* Copyright (c) 2018 Ondrej Mosnacek <omosnacek@gmail.com>
* Copyright (c) 2018 Red Hat, Inc. All rights reserved.
- *
- * 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.
*/
#ifndef _CRYPTO_AEGIS_H
#define _CRYPTO_AEGIS_H
#include <crypto/aes.h>
+#include <linux/bitops.h>
#include <linux/types.h>
#define AEGIS_BLOCK_SIZE 16
@@ -28,46 +24,32 @@
#define AEGIS_BLOCK_ALIGN (__alignof__(union aegis_block))
#define AEGIS_ALIGNED(p) IS_ALIGNED((uintptr_t)p, AEGIS_BLOCK_ALIGN)
-static const union aegis_block crypto_aegis_const[2] = {
- { .words64 = {
- cpu_to_le64(U64_C(0x0d08050302010100)),
- cpu_to_le64(U64_C(0x6279e99059372215)),
- } },
- { .words64 = {
- cpu_to_le64(U64_C(0xf12fc26d55183ddb)),
- cpu_to_le64(U64_C(0xdd28b57342311120)),
- } },
-};
-
-static void crypto_aegis_block_xor(union aegis_block *dst,
- const union aegis_block *src)
+static __always_inline void crypto_aegis_block_xor(union aegis_block *dst,
+ const union aegis_block *src)
{
dst->words64[0] ^= src->words64[0];
dst->words64[1] ^= src->words64[1];
}
-static void crypto_aegis_block_and(union aegis_block *dst,
- const union aegis_block *src)
+static __always_inline void crypto_aegis_block_and(union aegis_block *dst,
+ const union aegis_block *src)
{
dst->words64[0] &= src->words64[0];
dst->words64[1] &= src->words64[1];
}
-static void crypto_aegis_aesenc(union aegis_block *dst,
- const union aegis_block *src,
- const union aegis_block *key)
+static __always_inline void crypto_aegis_aesenc(union aegis_block *dst,
+ const union aegis_block *src,
+ const union aegis_block *key)
{
const u8 *s = src->bytes;
- const u32 *t0 = crypto_ft_tab[0];
- const u32 *t1 = crypto_ft_tab[1];
- const u32 *t2 = crypto_ft_tab[2];
- const u32 *t3 = crypto_ft_tab[3];
+ const u32 *t = crypto_ft_tab[0];
u32 d0, d1, d2, d3;
- d0 = t0[s[ 0]] ^ t1[s[ 5]] ^ t2[s[10]] ^ t3[s[15]];
- d1 = t0[s[ 4]] ^ t1[s[ 9]] ^ t2[s[14]] ^ t3[s[ 3]];
- d2 = t0[s[ 8]] ^ t1[s[13]] ^ t2[s[ 2]] ^ t3[s[ 7]];
- d3 = t0[s[12]] ^ t1[s[ 1]] ^ t2[s[ 6]] ^ t3[s[11]];
+ d0 = t[s[ 0]] ^ rol32(t[s[ 5]], 8) ^ rol32(t[s[10]], 16) ^ rol32(t[s[15]], 24);
+ d1 = t[s[ 4]] ^ rol32(t[s[ 9]], 8) ^ rol32(t[s[14]], 16) ^ rol32(t[s[ 3]], 24);
+ d2 = t[s[ 8]] ^ rol32(t[s[13]], 8) ^ rol32(t[s[ 2]], 16) ^ rol32(t[s[ 7]], 24);
+ d3 = t[s[12]] ^ rol32(t[s[ 1]], 8) ^ rol32(t[s[ 6]], 16) ^ rol32(t[s[11]], 24);
dst->words32[0] = cpu_to_le32(d0) ^ key->words32[0];
dst->words32[1] = cpu_to_le32(d1) ^ key->words32[1];
--
Gitblit v1.6.2