diff options
Diffstat (limited to 'crypto')
| -rw-r--r-- | crypto/Makefile | 1 | ||||
| -rw-r--r-- | crypto/aegis.h | 14 | ||||
| -rw-r--r-- | crypto/aegis128-core.c (renamed from crypto/aegis128.c) | 42 |
3 files changed, 46 insertions, 11 deletions
diff --git a/crypto/Makefile b/crypto/Makefile index 93375e124ff7..362a36f0bd2f 100644 --- a/crypto/Makefile +++ b/crypto/Makefile @@ -90,6 +90,7 @@ obj-$(CONFIG_CRYPTO_GCM) += gcm.o obj-$(CONFIG_CRYPTO_CCM) += ccm.o obj-$(CONFIG_CRYPTO_CHACHA20POLY1305) += chacha20poly1305.o obj-$(CONFIG_CRYPTO_AEGIS128) += aegis128.o +aegis128-y := aegis128-core.o obj-$(CONFIG_CRYPTO_PCRYPT) += pcrypt.o obj-$(CONFIG_CRYPTO_CRYPTD) += cryptd.o obj-$(CONFIG_CRYPTO_DES) += des_generic.o diff --git a/crypto/aegis.h b/crypto/aegis.h index 3308066ddde0..6cb65a497ba2 100644 --- a/crypto/aegis.h +++ b/crypto/aegis.h @@ -35,23 +35,23 @@ static const union aegis_block crypto_aegis_const[2] = { } }, }; -static void crypto_aegis_block_xor(union aegis_block *dst, - const union aegis_block *src) +static inline void crypto_aegis_block_xor(union aegis_block *dst, + const union aegis_block *src) { dst->words64[0] ^= src->words64[0]; dst->words64[1] ^= src->words64[1]; } -static void crypto_aegis_block_and(union aegis_block *dst, - const union aegis_block *src) +static inline void crypto_aegis_block_and(union aegis_block *dst, + const union aegis_block *src) { dst->words64[0] &= src->words64[0]; dst->words64[1] &= src->words64[1]; } -static void crypto_aegis_aesenc(union aegis_block *dst, - const union aegis_block *src, - const union aegis_block *key) +static inline void crypto_aegis_aesenc(union aegis_block *dst, + const union aegis_block *src, + const union aegis_block *key) { const u8 *s = src->bytes; const u32 *t = crypto_ft_tab[0]; diff --git a/crypto/aegis128.c b/crypto/aegis128-core.c index 32840d5e7f65..f815b4685156 100644 --- a/crypto/aegis128.c +++ b/crypto/aegis128-core.c @@ -8,6 +8,7 @@ #include <crypto/algapi.h> #include <crypto/internal/aead.h> +#include <crypto/internal/simd.h> #include <crypto/internal/skcipher.h> #include <crypto/scatterwalk.h> #include <linux/err.h> @@ -15,6 +16,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/scatterlist.h> +#include <asm/simd.h> #include "aegis.h" @@ -40,6 +42,15 @@ struct aegis128_ops { const u8 *src, unsigned int size); }; +static bool have_simd; + +bool crypto_aegis128_have_simd(void); +void crypto_aegis128_update_simd(struct aegis_state *state, const void *msg); +void crypto_aegis128_encrypt_chunk_simd(struct aegis_state *state, u8 *dst, + const u8 *src, unsigned int size); +void crypto_aegis128_decrypt_chunk_simd(struct aegis_state *state, u8 *dst, + const u8 *src, unsigned int size); + static void crypto_aegis128_update(struct aegis_state *state) { union aegis_block tmp; @@ -55,12 +66,22 @@ static void crypto_aegis128_update(struct aegis_state *state) static void crypto_aegis128_update_a(struct aegis_state *state, const union aegis_block *msg) { + if (have_simd && crypto_simd_usable()) { + crypto_aegis128_update_simd(state, msg); + return; + } + crypto_aegis128_update(state); crypto_aegis_block_xor(&state->blocks[0], msg); } static void crypto_aegis128_update_u(struct aegis_state *state, const void *msg) { + if (have_simd && crypto_simd_usable()) { + crypto_aegis128_update_simd(state, msg); + return; + } + crypto_aegis128_update(state); crypto_xor(state->blocks[0].bytes, msg, AEGIS_BLOCK_SIZE); } @@ -365,7 +386,7 @@ static void crypto_aegis128_crypt(struct aead_request *req, static int crypto_aegis128_encrypt(struct aead_request *req) { - static const struct aegis128_ops ops = { + const struct aegis128_ops *ops = &(struct aegis128_ops){ .skcipher_walk_init = skcipher_walk_aead_encrypt, .crypt_chunk = crypto_aegis128_encrypt_chunk, }; @@ -375,7 +396,12 @@ static int crypto_aegis128_encrypt(struct aead_request *req) unsigned int authsize = crypto_aead_authsize(tfm); unsigned int cryptlen = req->cryptlen; - crypto_aegis128_crypt(req, &tag, cryptlen, &ops); + if (have_simd && crypto_simd_usable()) + ops = &(struct aegis128_ops){ + .skcipher_walk_init = skcipher_walk_aead_encrypt, + .crypt_chunk = crypto_aegis128_encrypt_chunk_simd }; + + crypto_aegis128_crypt(req, &tag, cryptlen, ops); scatterwalk_map_and_copy(tag.bytes, req->dst, req->assoclen + cryptlen, authsize, 1); @@ -384,7 +410,7 @@ static int crypto_aegis128_encrypt(struct aead_request *req) static int crypto_aegis128_decrypt(struct aead_request *req) { - static const struct aegis128_ops ops = { + const struct aegis128_ops *ops = &(struct aegis128_ops){ .skcipher_walk_init = skcipher_walk_aead_decrypt, .crypt_chunk = crypto_aegis128_decrypt_chunk, }; @@ -398,7 +424,12 @@ static int crypto_aegis128_decrypt(struct aead_request *req) scatterwalk_map_and_copy(tag.bytes, req->src, req->assoclen + cryptlen, authsize, 0); - crypto_aegis128_crypt(req, &tag, cryptlen, &ops); + if (have_simd && crypto_simd_usable()) + ops = &(struct aegis128_ops){ + .skcipher_walk_init = skcipher_walk_aead_decrypt, + .crypt_chunk = crypto_aegis128_decrypt_chunk_simd }; + + crypto_aegis128_crypt(req, &tag, cryptlen, ops); return crypto_memneq(tag.bytes, zeros, authsize) ? -EBADMSG : 0; } @@ -429,6 +460,9 @@ static struct aead_alg crypto_aegis128_alg = { static int __init crypto_aegis128_module_init(void) { + if (IS_ENABLED(CONFIG_CRYPTO_AEGIS128_SIMD)) + have_simd = crypto_aegis128_have_simd(); + return crypto_register_aead(&crypto_aegis128_alg); } |