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 12 int aegis128_have_aes_insn __ro_after_init; 13 14 bool 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 23 void 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 31 void crypto_aegis128_update_simd(struct aegis_state *state, const void *msg) 32 { 33 scoped_ksimd() 34 crypto_aegis128_update_neon(state, msg); 35 } 36 37 void 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 44 void 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 51 int 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 } 61