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brintos / linux-shallow public Read only

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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 * Copyright (C) 2019 Linaro Ltd <ard.biesheuvel@linaro.org>4 */5 6#include <asm/cpufeature.h>7#include <asm/neon.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	kernel_neon_begin();28	crypto_aegis128_init_neon(state, key, iv);29	kernel_neon_end();30}31 32void crypto_aegis128_update_simd(struct aegis_state *state, const void *msg)33{34	kernel_neon_begin();35	crypto_aegis128_update_neon(state, msg);36	kernel_neon_end();37}38 39void crypto_aegis128_encrypt_chunk_simd(struct aegis_state *state, u8 *dst,40					const u8 *src, unsigned int size)41{42	kernel_neon_begin();43	crypto_aegis128_encrypt_chunk_neon(state, dst, src, size);44	kernel_neon_end();45}46 47void crypto_aegis128_decrypt_chunk_simd(struct aegis_state *state, u8 *dst,48					const u8 *src, unsigned int size)49{50	kernel_neon_begin();51	crypto_aegis128_decrypt_chunk_neon(state, dst, src, size);52	kernel_neon_end();53}54 55int crypto_aegis128_final_simd(struct aegis_state *state,56			       union aegis_block *tag_xor,57			       unsigned int assoclen,58			       unsigned int cryptlen,59			       unsigned int authsize)60{61	int ret;62 63	kernel_neon_begin();64	ret = crypto_aegis128_final_neon(state, tag_xor, assoclen, cryptlen,65					 authsize);66	kernel_neon_end();67 68	return ret;69}70