forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
79 lines
2.0 KiB
79 lines
2.0 KiB
// SPDX-License-Identifier: GPL-2.0-or-later |
|
/* |
|
* Copyright (C) 2019 Linaro Ltd <[email protected]> |
|
*/ |
|
|
|
#include <asm/cpufeature.h> |
|
#include <asm/neon.h> |
|
|
|
#include "aegis.h" |
|
|
|
void crypto_aegis128_init_neon(void *state, const void *key, const void *iv); |
|
void crypto_aegis128_update_neon(void *state, const void *msg); |
|
void crypto_aegis128_encrypt_chunk_neon(void *state, void *dst, const void *src, |
|
unsigned int size); |
|
void crypto_aegis128_decrypt_chunk_neon(void *state, void *dst, const void *src, |
|
unsigned int size); |
|
int crypto_aegis128_final_neon(void *state, void *tag_xor, |
|
unsigned int assoclen, |
|
unsigned int cryptlen, |
|
unsigned int authsize); |
|
|
|
int aegis128_have_aes_insn __ro_after_init; |
|
|
|
bool crypto_aegis128_have_simd(void) |
|
{ |
|
if (cpu_have_feature(cpu_feature(AES))) { |
|
aegis128_have_aes_insn = 1; |
|
return true; |
|
} |
|
return IS_ENABLED(CONFIG_ARM64); |
|
} |
|
|
|
void crypto_aegis128_init_simd(struct aegis_state *state, |
|
const union aegis_block *key, |
|
const u8 *iv) |
|
{ |
|
kernel_neon_begin(); |
|
crypto_aegis128_init_neon(state, key, iv); |
|
kernel_neon_end(); |
|
} |
|
|
|
void crypto_aegis128_update_simd(struct aegis_state *state, const void *msg) |
|
{ |
|
kernel_neon_begin(); |
|
crypto_aegis128_update_neon(state, msg); |
|
kernel_neon_end(); |
|
} |
|
|
|
void crypto_aegis128_encrypt_chunk_simd(struct aegis_state *state, u8 *dst, |
|
const u8 *src, unsigned int size) |
|
{ |
|
kernel_neon_begin(); |
|
crypto_aegis128_encrypt_chunk_neon(state, dst, src, size); |
|
kernel_neon_end(); |
|
} |
|
|
|
void crypto_aegis128_decrypt_chunk_simd(struct aegis_state *state, u8 *dst, |
|
const u8 *src, unsigned int size) |
|
{ |
|
kernel_neon_begin(); |
|
crypto_aegis128_decrypt_chunk_neon(state, dst, src, size); |
|
kernel_neon_end(); |
|
} |
|
|
|
int crypto_aegis128_final_simd(struct aegis_state *state, |
|
union aegis_block *tag_xor, |
|
unsigned int assoclen, |
|
unsigned int cryptlen, |
|
unsigned int authsize) |
|
{ |
|
int ret; |
|
|
|
kernel_neon_begin(); |
|
ret = crypto_aegis128_final_neon(state, tag_xor, assoclen, cryptlen, |
|
authsize); |
|
kernel_neon_end(); |
|
|
|
return ret; |
|
}
|
|
|