static void aesni_crypt_xts_block(int rounds, const __m128i *key_schedule, __m128i *tweak, const uint8_t *from, uint8_t *to, int do_encrypt) { __m128i block; block = _mm_loadu_si128((const __m128i *)from) ^ *tweak; if (do_encrypt) block = aesni_enc(rounds - 1, key_schedule, block); else block = aesni_dec(rounds - 1, key_schedule, block); _mm_storeu_si128((__m128i *)to, block ^ *tweak); *tweak = xts_crank_lfsr(*tweak); }
static void aesni_crypt_xts_block(int rounds, const void *key_schedule, __m128i *tweak, const __m128i *from, __m128i *to, int do_encrypt) { __m128i block; block = *from ^ *tweak; if (do_encrypt) block = aesni_enc(rounds - 1, key_schedule, block); else block = aesni_dec(rounds - 1, key_schedule, block); *to = block ^ *tweak; *tweak = xts_crank_lfsr(*tweak); }