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- // 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;
- }
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