aegis128-neon.c

 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}