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6#include <asm/cpufeature.h>
7#include <asm/neon.h>
8
9#include "aegis.h"
10
11void crypto_aegis128_init_neon(void *state, const void *key, const void *iv);
12void crypto_aegis128_update_neon(void *state, const void *msg);
13void crypto_aegis128_encrypt_chunk_neon(void *state, void *dst, const void *src,
14 unsigned int size);
15void crypto_aegis128_decrypt_chunk_neon(void *state, void *dst, const void *src,
16 unsigned int size);
17int crypto_aegis128_final_neon(void *state, void *tag_xor,
18 unsigned int assoclen,
19 unsigned int cryptlen,
20 unsigned int authsize);
21
22int aegis128_have_aes_insn __ro_after_init;
23
24bool crypto_aegis128_have_simd(void)
25{
26 if (cpu_have_feature(cpu_feature(AES))) {
27 aegis128_have_aes_insn = 1;
28 return true;
29 }
30 return IS_ENABLED(CONFIG_ARM64);
31}
32
33void crypto_aegis128_init_simd(struct aegis_state *state,
34 const union aegis_block *key,
35 const u8 *iv)
36{
37 kernel_neon_begin();
38 crypto_aegis128_init_neon(state, key, iv);
39 kernel_neon_end();
40}
41
42void crypto_aegis128_update_simd(struct aegis_state *state, const void *msg)
43{
44 kernel_neon_begin();
45 crypto_aegis128_update_neon(state, msg);
46 kernel_neon_end();
47}
48
49void crypto_aegis128_encrypt_chunk_simd(struct aegis_state *state, u8 *dst,
50 const u8 *src, unsigned int size)
51{
52 kernel_neon_begin();
53 crypto_aegis128_encrypt_chunk_neon(state, dst, src, size);
54 kernel_neon_end();
55}
56
57void crypto_aegis128_decrypt_chunk_simd(struct aegis_state *state, u8 *dst,
58 const u8 *src, unsigned int size)
59{
60 kernel_neon_begin();
61 crypto_aegis128_decrypt_chunk_neon(state, dst, src, size);
62 kernel_neon_end();
63}
64
65int crypto_aegis128_final_simd(struct aegis_state *state,
66 union aegis_block *tag_xor,
67 unsigned int assoclen,
68 unsigned int cryptlen,
69 unsigned int authsize)
70{
71 int ret;
72
73 kernel_neon_begin();
74 ret = crypto_aegis128_final_neon(state, tag_xor, assoclen, cryptlen,
75 authsize);
76 kernel_neon_end();
77
78 return ret;
79}
80
