diff options
| author | Jason A. Donenfeld <Jason@zx2c4.com> | 2020-01-17 11:42:22 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2020-01-22 16:21:11 +0800 |
| commit | f9e7fe32a792726186301423ff63a465d63386e1 (patch) | |
| tree | 86179a52efdcd76edca0050cc03484d0acf10bb8 /arch/x86 | |
| parent | 2203d3f7971d28a2bcd8e2439bcead9069089e9a (diff) | |
crypto: x86/poly1305 - emit does base conversion itself
The emit code does optional base conversion itself in assembly, so we
don't need to do that here. Also, neither one of these functions uses
simd instructions, so checking for that doesn't make sense either.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/crypto/poly1305_glue.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/arch/x86/crypto/poly1305_glue.c b/arch/x86/crypto/poly1305_glue.c index 657363588e0c..79bb58737d52 100644 --- a/arch/x86/crypto/poly1305_glue.c +++ b/arch/x86/crypto/poly1305_glue.c @@ -123,13 +123,9 @@ static void poly1305_simd_blocks(void *ctx, const u8 *inp, size_t len, static void poly1305_simd_emit(void *ctx, u8 mac[POLY1305_DIGEST_SIZE], const u32 nonce[4]) { - struct poly1305_arch_internal *state = ctx; - - if (!IS_ENABLED(CONFIG_AS_AVX) || !static_branch_likely(&poly1305_use_avx) || - !state->is_base2_26 || !crypto_simd_usable()) { - convert_to_base2_64(ctx); + if (!IS_ENABLED(CONFIG_AS_AVX) || !static_branch_likely(&poly1305_use_avx)) poly1305_emit_x86_64(ctx, mac, nonce); - } else + else poly1305_emit_avx(ctx, mac, nonce); } |