diff options
| author | Dave Watson <davejwatson@fb.com> | 2018-12-10 20:58:19 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-12-23 04:52:42 +0100 |
| commit | 38003cd26c9f59da77d98927fb9af58732da207a (patch) | |
| tree | 2e973dd27e7c8ce3d92da1a6bb02f36d3528eb48 /arch/x86/crypto/aesni-intel_glue.c | |
| parent | crypto: aesni - Add GCM_COMPLETE macro (diff) | |
| download | linux-38003cd26c9f59da77d98927fb9af58732da207a.tar.xz linux-38003cd26c9f59da77d98927fb9af58732da207a.zip | |
crypto: aesni - Split AAD hash calculation to separate macro
AAD hash only needs to be calculated once for each scatter/gather operation.
Move it to its own macro, and call it from GCM_INIT instead of
INITIAL_BLOCKS.
Signed-off-by: Dave Watson <davejwatson@fb.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to '')
| -rw-r--r-- | arch/x86/crypto/aesni-intel_glue.c | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/arch/x86/crypto/aesni-intel_glue.c b/arch/x86/crypto/aesni-intel_glue.c index 7d1259feb0f9..2648842f1c3f 100644 --- a/arch/x86/crypto/aesni-intel_glue.c +++ b/arch/x86/crypto/aesni-intel_glue.c @@ -189,7 +189,10 @@ asmlinkage void aes_ctr_enc_256_avx_by8(const u8 *in, u8 *iv, */ asmlinkage void aesni_gcm_precomp_avx_gen2(void *my_ctx_data, struct gcm_context_data *gdata, - u8 *hash_subkey); + u8 *hash_subkey, + u8 *iv, + const u8 *aad, + unsigned long aad_len); asmlinkage void aesni_gcm_enc_avx_gen2(void *ctx, struct gcm_context_data *gdata, u8 *out, @@ -214,7 +217,8 @@ static void aesni_gcm_enc_avx(void *ctx, plaintext_len, iv, hash_subkey, aad, aad_len, auth_tag, auth_tag_len); } else { - aesni_gcm_precomp_avx_gen2(ctx, data, hash_subkey); + aesni_gcm_precomp_avx_gen2(ctx, data, hash_subkey, iv, + aad, aad_len); aesni_gcm_enc_avx_gen2(ctx, data, out, in, plaintext_len, iv, aad, aad_len, auth_tag, auth_tag_len); } @@ -231,7 +235,8 @@ static void aesni_gcm_dec_avx(void *ctx, ciphertext_len, iv, hash_subkey, aad, aad_len, auth_tag, auth_tag_len); } else { - aesni_gcm_precomp_avx_gen2(ctx, data, hash_subkey); + aesni_gcm_precomp_avx_gen2(ctx, data, hash_subkey, iv, + aad, aad_len); aesni_gcm_dec_avx_gen2(ctx, data, out, in, ciphertext_len, iv, aad, aad_len, auth_tag, auth_tag_len); } @@ -246,7 +251,10 @@ static void aesni_gcm_dec_avx(void *ctx, */ asmlinkage void aesni_gcm_precomp_avx_gen4(void *my_ctx_data, struct gcm_context_data *gdata, - u8 *hash_subkey); + u8 *hash_subkey, + u8 *iv, + const u8 *aad, + unsigned long aad_len); asmlinkage void aesni_gcm_enc_avx_gen4(void *ctx, struct gcm_context_data *gdata, u8 *out, @@ -271,11 +279,13 @@ static void aesni_gcm_enc_avx2(void *ctx, plaintext_len, iv, hash_subkey, aad, aad_len, auth_tag, auth_tag_len); } else if (plaintext_len < AVX_GEN4_OPTSIZE) { - aesni_gcm_precomp_avx_gen2(ctx, data, hash_subkey); + aesni_gcm_precomp_avx_gen2(ctx, data, hash_subkey, iv, + aad, aad_len); aesni_gcm_enc_avx_gen2(ctx, data, out, in, plaintext_len, iv, aad, aad_len, auth_tag, auth_tag_len); } else { - aesni_gcm_precomp_avx_gen4(ctx, data, hash_subkey); + aesni_gcm_precomp_avx_gen4(ctx, data, hash_subkey, iv, + aad, aad_len); aesni_gcm_enc_avx_gen4(ctx, data, out, in, plaintext_len, iv, aad, aad_len, auth_tag, auth_tag_len); } @@ -292,11 +302,13 @@ static void aesni_gcm_dec_avx2(void *ctx, ciphertext_len, iv, hash_subkey, aad, aad_len, auth_tag, auth_tag_len); } else if (ciphertext_len < AVX_GEN4_OPTSIZE) { - aesni_gcm_precomp_avx_gen2(ctx, data, hash_subkey); + aesni_gcm_precomp_avx_gen2(ctx, data, hash_subkey, iv, + aad, aad_len); aesni_gcm_dec_avx_gen2(ctx, data, out, in, ciphertext_len, iv, aad, aad_len, auth_tag, auth_tag_len); } else { - aesni_gcm_precomp_avx_gen4(ctx, data, hash_subkey); + aesni_gcm_precomp_avx_gen4(ctx, data, hash_subkey, iv, + aad, aad_len); aesni_gcm_dec_avx_gen4(ctx, data, out, in, ciphertext_len, iv, aad, aad_len, auth_tag, auth_tag_len); } |