f1d087b912
crypto/aegis.h:27:32: warning: crypto_aegis_const defined but not used [-Wunused-const-variable=] crypto_aegis_const is only used in aegis128-core.c, just move the definition over there. Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: YueHaibing <yuehaibing@huawei.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/* 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.
|
|
*/
|
|
|
|
#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
|
|
|
|
union aegis_block {
|
|
__le64 words64[AEGIS_BLOCK_SIZE / sizeof(__le64)];
|
|
__le32 words32[AEGIS_BLOCK_SIZE / sizeof(__le32)];
|
|
u8 bytes[AEGIS_BLOCK_SIZE];
|
|
};
|
|
|
|
#define AEGIS_BLOCK_ALIGN (__alignof__(union aegis_block))
|
|
#define AEGIS_ALIGNED(p) IS_ALIGNED((uintptr_t)p, AEGIS_BLOCK_ALIGN)
|
|
|
|
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 __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 __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 *t = crypto_ft_tab[0];
|
|
u32 d0, d1, d2, d3;
|
|
|
|
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];
|
|
dst->words32[2] = cpu_to_le32(d2) ^ key->words32[2];
|
|
dst->words32[3] = cpu_to_le32(d3) ^ key->words32[3];
|
|
}
|
|
|
|
#endif /* _CRYPTO_AEGIS_H */
|