Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Copyright (C) 2019 Linaro Ltd <ard.biesheuvel@linaro.org>
4 */
5
6#include <asm/cpufeature.h>
7#include <asm/simd.h>
8
9#include "aegis.h"
10#include "aegis-neon.h"
11
12int aegis128_have_aes_insn __ro_after_init;
13
14bool crypto_aegis128_have_simd(void)
15{
16 if (cpu_have_feature(cpu_feature(AES))) {
17 aegis128_have_aes_insn = 1;
18 return true;
19 }
20 return IS_ENABLED(CONFIG_ARM64);
21}
22
23void crypto_aegis128_init_simd(struct aegis_state *state,
24 const union aegis_block *key,
25 const u8 *iv)
26{
27 scoped_ksimd()
28 crypto_aegis128_init_neon(state, key, iv);
29}
30
31void crypto_aegis128_update_simd(struct aegis_state *state, const void *msg)
32{
33 scoped_ksimd()
34 crypto_aegis128_update_neon(state, msg);
35}
36
37void crypto_aegis128_encrypt_chunk_simd(struct aegis_state *state, u8 *dst,
38 const u8 *src, unsigned int size)
39{
40 scoped_ksimd()
41 crypto_aegis128_encrypt_chunk_neon(state, dst, src, size);
42}
43
44void crypto_aegis128_decrypt_chunk_simd(struct aegis_state *state, u8 *dst,
45 const u8 *src, unsigned int size)
46{
47 scoped_ksimd()
48 crypto_aegis128_decrypt_chunk_neon(state, dst, src, size);
49}
50
51int crypto_aegis128_final_simd(struct aegis_state *state,
52 union aegis_block *tag_xor,
53 unsigned int assoclen,
54 unsigned int cryptlen,
55 unsigned int authsize)
56{
57 scoped_ksimd()
58 return crypto_aegis128_final_neon(state, tag_xor, assoclen,
59 cryptlen, authsize);
60}