a13589bc47
justify, especially for CBC performance where we can't pipeline.. I don't happen to have my measurements handy though... Sponsored by: Netflix, Inc.
147 lines
4.5 KiB
C
147 lines
4.5 KiB
C
/*-
|
|
* Copyright 2013 John-Mark Gurney <jmg@FreeBSD.org>
|
|
* Copyright 2015 Netflix, Inc.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*
|
|
*/
|
|
|
|
#ifndef _AESENCDEC_H_
|
|
#define _AESENCDEC_H_
|
|
|
|
#include <crypto/aesni/aesni_os.h>
|
|
|
|
#include <wmmintrin.h>
|
|
|
|
static inline void
|
|
aesni_enc8(int rounds, const __m128i *keysched, __m128i a,
|
|
__m128i b, __m128i c, __m128i d, __m128i e, __m128i f, __m128i g,
|
|
__m128i h, __m128i out[8])
|
|
{
|
|
int i;
|
|
|
|
a ^= keysched[0];
|
|
b ^= keysched[0];
|
|
c ^= keysched[0];
|
|
d ^= keysched[0];
|
|
e ^= keysched[0];
|
|
f ^= keysched[0];
|
|
g ^= keysched[0];
|
|
h ^= keysched[0];
|
|
|
|
for (i = 0; i < rounds; i++) {
|
|
a = _mm_aesenc_si128(a, keysched[i + 1]);
|
|
b = _mm_aesenc_si128(b, keysched[i + 1]);
|
|
c = _mm_aesenc_si128(c, keysched[i + 1]);
|
|
d = _mm_aesenc_si128(d, keysched[i + 1]);
|
|
e = _mm_aesenc_si128(e, keysched[i + 1]);
|
|
f = _mm_aesenc_si128(f, keysched[i + 1]);
|
|
g = _mm_aesenc_si128(g, keysched[i + 1]);
|
|
h = _mm_aesenc_si128(h, keysched[i + 1]);
|
|
}
|
|
|
|
out[0] = _mm_aesenclast_si128(a, keysched[i + 1]);
|
|
out[1] = _mm_aesenclast_si128(b, keysched[i + 1]);
|
|
out[2] = _mm_aesenclast_si128(c, keysched[i + 1]);
|
|
out[3] = _mm_aesenclast_si128(d, keysched[i + 1]);
|
|
out[4] = _mm_aesenclast_si128(e, keysched[i + 1]);
|
|
out[5] = _mm_aesenclast_si128(f, keysched[i + 1]);
|
|
out[6] = _mm_aesenclast_si128(g, keysched[i + 1]);
|
|
out[7] = _mm_aesenclast_si128(h, keysched[i + 1]);
|
|
}
|
|
|
|
static inline void
|
|
aesni_dec8(int rounds, const __m128i *keysched, __m128i a,
|
|
__m128i b, __m128i c, __m128i d, __m128i e, __m128i f, __m128i g,
|
|
__m128i h, __m128i out[8])
|
|
{
|
|
int i;
|
|
|
|
a ^= keysched[0];
|
|
b ^= keysched[0];
|
|
c ^= keysched[0];
|
|
d ^= keysched[0];
|
|
e ^= keysched[0];
|
|
f ^= keysched[0];
|
|
g ^= keysched[0];
|
|
h ^= keysched[0];
|
|
|
|
for (i = 0; i < rounds; i++) {
|
|
a = _mm_aesdec_si128(a, keysched[i + 1]);
|
|
b = _mm_aesdec_si128(b, keysched[i + 1]);
|
|
c = _mm_aesdec_si128(c, keysched[i + 1]);
|
|
d = _mm_aesdec_si128(d, keysched[i + 1]);
|
|
e = _mm_aesdec_si128(e, keysched[i + 1]);
|
|
f = _mm_aesdec_si128(f, keysched[i + 1]);
|
|
g = _mm_aesdec_si128(g, keysched[i + 1]);
|
|
h = _mm_aesdec_si128(h, keysched[i + 1]);
|
|
}
|
|
|
|
out[0] = _mm_aesdeclast_si128(a, keysched[i + 1]);
|
|
out[1] = _mm_aesdeclast_si128(b, keysched[i + 1]);
|
|
out[2] = _mm_aesdeclast_si128(c, keysched[i + 1]);
|
|
out[3] = _mm_aesdeclast_si128(d, keysched[i + 1]);
|
|
out[4] = _mm_aesdeclast_si128(e, keysched[i + 1]);
|
|
out[5] = _mm_aesdeclast_si128(f, keysched[i + 1]);
|
|
out[6] = _mm_aesdeclast_si128(g, keysched[i + 1]);
|
|
out[7] = _mm_aesdeclast_si128(h, keysched[i + 1]);
|
|
}
|
|
|
|
/* rounds is passed in as rounds - 1 */
|
|
static inline __m128i
|
|
aesni_enc(int rounds, const __m128i *keysched, const __m128i from)
|
|
{
|
|
__m128i tmp;
|
|
int i;
|
|
|
|
tmp = from ^ keysched[0];
|
|
for (i = 1; i < rounds; i += 2) {
|
|
tmp = _mm_aesenc_si128(tmp, keysched[i]);
|
|
tmp = _mm_aesenc_si128(tmp, keysched[i + 1]);
|
|
}
|
|
|
|
tmp = _mm_aesenc_si128(tmp, keysched[rounds]);
|
|
return _mm_aesenclast_si128(tmp, keysched[rounds + 1]);
|
|
}
|
|
|
|
static inline __m128i
|
|
aesni_dec(int rounds, const __m128i *keysched, const __m128i from)
|
|
{
|
|
__m128i tmp;
|
|
int i;
|
|
|
|
tmp = from ^ keysched[0];
|
|
|
|
for (i = 1; i < rounds; i += 2) {
|
|
tmp = _mm_aesdec_si128(tmp, keysched[i]);
|
|
tmp = _mm_aesdec_si128(tmp, keysched[i + 1]);
|
|
}
|
|
|
|
tmp = _mm_aesdec_si128(tmp, keysched[rounds]);
|
|
return _mm_aesdeclast_si128(tmp, keysched[rounds + 1]);
|
|
}
|
|
|
|
#endif /* _AESENCDEC_H_ */
|