trustbridge/nss-cmake-static: nss/lib/freebl/chacha20/chacha20

annotate nss/lib/freebl/chacha20/chacha20_vec.c @ 0:1e5118fa0cb1

This is NSS with a Cmake Buildsyste To compile a static NSS library for Windows we've used the Chromium-NSS fork and added a Cmake buildsystem to compile it statically for Windows. See README.chromium for chromium changes and README.trustbridge for our modifications.

author	Andre Heinecke <andre.heinecke@intevation.de>
date	Mon, 28 Jul 2014 10:47:06 +0200
parents
children

rev	line source
0 1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	1 /* This Source Code Form is subject to the terms of the Mozilla Public
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	2 * License, v. 2.0. If a copy of the MPL was not distributed with this
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	4
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	5 /* This implementation is by Ted Krovetz and was submitted to SUPERCOP and
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	6 * marked as public domain. It was been altered to allow for non-aligned inputs
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	7 * and to allow the block counter to be passed in specifically. */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	8
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	9 #include <string.h>
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	10
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	11 #include "chacha20.h"
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	12
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	13 #ifndef CHACHA_RNDS
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	14 #define CHACHA_RNDS 20 /* 8 (high speed), 20 (conservative), 12 (middle) */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	15 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	16
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	17 /* Architecture-neutral way to specify 16-byte vector of ints */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	18 typedef unsigned vec __attribute__ ((vector_size (16)));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	19
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	20 /* This implementation is designed for Neon, SSE and AltiVec machines. The
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	21 * following specify how to do certain vector operations efficiently on
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	22 * each architecture, using intrinsics.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	23 * This implementation supports parallel processing of multiple blocks,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	24 * including potentially using general-purpose registers.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	25 */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	26 #if __ARM_NEON__
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	27 #include <arm_neon.h>
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	28 #define GPR_TOO 1
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	29 #define VBPI 2
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	30 #define ONE (vec)vsetq_lane_u32(1,vdupq_n_u32(0),0)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	31 #define LOAD(m) (vec)(((vec)(m)))
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	32 #define STORE(m,r) (((vec)(m))) = (r)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	33 #define ROTV1(x) (vec)vextq_u32((uint32x4_t)x,(uint32x4_t)x,1)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	34 #define ROTV2(x) (vec)vextq_u32((uint32x4_t)x,(uint32x4_t)x,2)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	35 #define ROTV3(x) (vec)vextq_u32((uint32x4_t)x,(uint32x4_t)x,3)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	36 #define ROTW16(x) (vec)vrev32q_u16((uint16x8_t)x)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	37 #if __clang__
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	38 #define ROTW7(x) (x << ((vec){ 7, 7, 7, 7})) ^ (x >> ((vec){25,25,25,25}))
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	39 #define ROTW8(x) (x << ((vec){ 8, 8, 8, 8})) ^ (x >> ((vec){24,24,24,24}))
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	40 #define ROTW12(x) (x << ((vec){12,12,12,12})) ^ (x >> ((vec){20,20,20,20}))
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	41 #else
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	42 #define ROTW7(x) (vec)vsriq_n_u32(vshlq_n_u32((uint32x4_t)x,7),(uint32x4_t)x,25)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	43 #define ROTW8(x) (vec)vsriq_n_u32(vshlq_n_u32((uint32x4_t)x,8),(uint32x4_t)x,24)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	44 #define ROTW12(x) (vec)vsriq_n_u32(vshlq_n_u32((uint32x4_t)x,12),(uint32x4_t)x,20)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	45 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	46 #elif __SSE2__
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	47 #include <emmintrin.h>
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	48 #define GPR_TOO 0
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	49 #if __clang__
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	50 #define VBPI 4
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	51 #else
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	52 #define VBPI 3
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	53 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	54 #define ONE (vec)_mm_set_epi32(0,0,0,1)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	55 #define LOAD(m) (vec)_mm_loadu_si128((__m128i*)(m))
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	56 #define STORE(m,r) _mm_storeu_si128((__m128i*)(m), (__m128i) (r))
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	57 #define ROTV1(x) (vec)_mm_shuffle_epi32((__m128i)x,_MM_SHUFFLE(0,3,2,1))
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	58 #define ROTV2(x) (vec)_mm_shuffle_epi32((__m128i)x,_MM_SHUFFLE(1,0,3,2))
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	59 #define ROTV3(x) (vec)_mm_shuffle_epi32((__m128i)x,_MM_SHUFFLE(2,1,0,3))
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	60 #define ROTW7(x) (vec)(_mm_slli_epi32((__m128i)x, 7) ^ _mm_srli_epi32((__m128i)x,25))
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	61 #define ROTW12(x) (vec)(_mm_slli_epi32((__m128i)x,12) ^ _mm_srli_epi32((__m128i)x,20))
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	62 #if __SSSE3__
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	63 #include <tmmintrin.h>
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	64 #define ROTW8(x) (vec)_mm_shuffle_epi8((__m128i)x,_mm_set_epi8(14,13,12,15,10,9,8,11,6,5,4,7,2,1,0,3))
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	65 #define ROTW16(x) (vec)_mm_shuffle_epi8((__m128i)x,_mm_set_epi8(13,12,15,14,9,8,11,10,5,4,7,6,1,0,3,2))
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	66 #else
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	67 #define ROTW8(x) (vec)(_mm_slli_epi32((__m128i)x, 8) ^ _mm_srli_epi32((__m128i)x,24))
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	68 #define ROTW16(x) (vec)(_mm_slli_epi32((__m128i)x,16) ^ _mm_srli_epi32((__m128i)x,16))
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	69 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	70 #else
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	71 #error -- Implementation supports only machines with neon or SSE2
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	72 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	73
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	74 #ifndef REVV_BE
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	75 #define REVV_BE(x) (x)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	76 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	77
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	78 #ifndef REVW_BE
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	79 #define REVW_BE(x) (x)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	80 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	81
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	82 #define BPI (VBPI + GPR_TOO) /* Blocks computed per loop iteration */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	83
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	84 #define DQROUND_VECTORS(a,b,c,d) \
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	85 a += b; d ^= a; d = ROTW16(d); \
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	86 c += d; b ^= c; b = ROTW12(b); \
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	87 a += b; d ^= a; d = ROTW8(d); \
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	88 c += d; b ^= c; b = ROTW7(b); \
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	89 b = ROTV1(b); c = ROTV2(c); d = ROTV3(d); \
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	90 a += b; d ^= a; d = ROTW16(d); \
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	91 c += d; b ^= c; b = ROTW12(b); \
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	92 a += b; d ^= a; d = ROTW8(d); \
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	93 c += d; b ^= c; b = ROTW7(b); \
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	94 b = ROTV3(b); c = ROTV2(c); d = ROTV1(d);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	95
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	96 #define QROUND_WORDS(a,b,c,d) \
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	97 a = a+b; d ^= a; d = d<<16 \| d>>16; \
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	98 c = c+d; b ^= c; b = b<<12 \| b>>20; \
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	99 a = a+b; d ^= a; d = d<< 8 \| d>>24; \
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	100 c = c+d; b ^= c; b = b<< 7 \| b>>25;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	101
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	102 #define WRITE_XOR(in, op, d, v0, v1, v2, v3) \
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	103 STORE(op + d + 0, LOAD(in + d + 0) ^ REVV_BE(v0)); \
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	104 STORE(op + d + 4, LOAD(in + d + 4) ^ REVV_BE(v1)); \
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	105 STORE(op + d + 8, LOAD(in + d + 8) ^ REVV_BE(v2)); \
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	106 STORE(op + d +12, LOAD(in + d +12) ^ REVV_BE(v3));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	107
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	108 void ChaCha20XOR(
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	109 unsigned char *out,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	110 const unsigned char *in,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	111 unsigned int inlen,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	112 const unsigned char key[32],
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	113 const unsigned char nonce[8],
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	114 uint64_t counter)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	115 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	116 unsigned iters, i, op=(unsigned )out, ip=(unsigned )in, *kp;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	117 #if defined(__ARM_NEON__)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	118 unsigned *np;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	119 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	120 vec s0, s1, s2, s3;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	121 #if !defined(__ARM_NEON__) && !defined(__SSE2__)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	122 __attribute__ ((aligned (16))) unsigned key[8], nonce[4];
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	123 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	124 __attribute__ ((aligned (16))) unsigned chacha_const[] =
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	125 {0x61707865,0x3320646E,0x79622D32,0x6B206574};
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	126 #if defined(__ARM_NEON__) \|\| defined(__SSE2__)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	127 kp = (unsigned *)key;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	128 #else
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	129 ((vec )key)[0] = REVV_BE(((vec )key)[0]);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	130 ((vec )key)[1] = REVV_BE(((vec )key)[1]);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	131 nonce[0] = REVW_BE(((unsigned *)nonce)[0]);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	132 nonce[1] = REVW_BE(((unsigned *)nonce)[1]);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	133 nonce[2] = REVW_BE(((unsigned *)nonce)[2]);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	134 nonce[3] = REVW_BE(((unsigned *)nonce)[3]);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	135 kp = (unsigned *)key;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	136 np = (unsigned *)nonce;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	137 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	138 #if defined(__ARM_NEON__)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	139 np = (unsigned*) nonce;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	140 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	141 s0 = LOAD(chacha_const);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	142 s1 = LOAD(&((vec*)kp)[0]);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	143 s2 = LOAD(&((vec*)kp)[1]);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	144 s3 = (vec) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	145 counter & 0xffffffff,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	146 counter >> 32,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	147 ((uint32_t*)nonce)[0],
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	148 ((uint32_t*)nonce)[1]
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	149 };
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	150
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	151 for (iters = 0; iters < inlen/(BPI*64); iters++) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	152 #if GPR_TOO
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	153 register unsigned x0, x1, x2, x3, x4, x5, x6, x7, x8,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	154 x9, x10, x11, x12, x13, x14, x15;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	155 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	156 #if VBPI > 2
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	157 vec v8,v9,v10,v11;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	158 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	159 #if VBPI > 3
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	160 vec v12,v13,v14,v15;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	161 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	162
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	163 vec v0,v1,v2,v3,v4,v5,v6,v7;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	164 v4 = v0 = s0; v5 = v1 = s1; v6 = v2 = s2; v3 = s3;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	165 v7 = v3 + ONE;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	166 #if VBPI > 2
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	167 v8 = v4; v9 = v5; v10 = v6;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	168 v11 = v7 + ONE;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	169 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	170 #if VBPI > 3
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	171 v12 = v8; v13 = v9; v14 = v10;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	172 v15 = v11 + ONE;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	173 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	174 #if GPR_TOO
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	175 x0 = chacha_const[0]; x1 = chacha_const[1];
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	176 x2 = chacha_const[2]; x3 = chacha_const[3];
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	177 x4 = kp[0]; x5 = kp[1]; x6 = kp[2]; x7 = kp[3];
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	178 x8 = kp[4]; x9 = kp[5]; x10 = kp[6]; x11 = kp[7];
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	179 x12 = (counter & 0xffffffff)+BPI*iters+(BPI-1); x13 = counter >> 32;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	180 x14 = np[0]; x15 = np[1];
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	181 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	182 for (i = CHACHA_RNDS/2; i; i--) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	183 DQROUND_VECTORS(v0,v1,v2,v3)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	184 DQROUND_VECTORS(v4,v5,v6,v7)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	185 #if VBPI > 2
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	186 DQROUND_VECTORS(v8,v9,v10,v11)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	187 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	188 #if VBPI > 3
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	189 DQROUND_VECTORS(v12,v13,v14,v15)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	190 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	191 #if GPR_TOO
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	192 QROUND_WORDS( x0, x4, x8,x12)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	193 QROUND_WORDS( x1, x5, x9,x13)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	194 QROUND_WORDS( x2, x6,x10,x14)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	195 QROUND_WORDS( x3, x7,x11,x15)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	196 QROUND_WORDS( x0, x5,x10,x15)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	197 QROUND_WORDS( x1, x6,x11,x12)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	198 QROUND_WORDS( x2, x7, x8,x13)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	199 QROUND_WORDS( x3, x4, x9,x14)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	200 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	201 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	202
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	203 WRITE_XOR(ip, op, 0, v0+s0, v1+s1, v2+s2, v3+s3)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	204 s3 += ONE;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	205 WRITE_XOR(ip, op, 16, v4+s0, v5+s1, v6+s2, v7+s3)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	206 s3 += ONE;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	207 #if VBPI > 2
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	208 WRITE_XOR(ip, op, 32, v8+s0, v9+s1, v10+s2, v11+s3)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	209 s3 += ONE;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	210 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	211 #if VBPI > 3
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	212 WRITE_XOR(ip, op, 48, v12+s0, v13+s1, v14+s2, v15+s3)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	213 s3 += ONE;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	214 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	215 ip += VBPI*16;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	216 op += VBPI*16;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	217 #if GPR_TOO
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	218 op[0] = REVW_BE(REVW_BE(ip[0]) ^ (x0 + chacha_const[0]));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	219 op[1] = REVW_BE(REVW_BE(ip[1]) ^ (x1 + chacha_const[1]));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	220 op[2] = REVW_BE(REVW_BE(ip[2]) ^ (x2 + chacha_const[2]));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	221 op[3] = REVW_BE(REVW_BE(ip[3]) ^ (x3 + chacha_const[3]));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	222 op[4] = REVW_BE(REVW_BE(ip[4]) ^ (x4 + kp[0]));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	223 op[5] = REVW_BE(REVW_BE(ip[5]) ^ (x5 + kp[1]));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	224 op[6] = REVW_BE(REVW_BE(ip[6]) ^ (x6 + kp[2]));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	225 op[7] = REVW_BE(REVW_BE(ip[7]) ^ (x7 + kp[3]));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	226 op[8] = REVW_BE(REVW_BE(ip[8]) ^ (x8 + kp[4]));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	227 op[9] = REVW_BE(REVW_BE(ip[9]) ^ (x9 + kp[5]));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	228 op[10] = REVW_BE(REVW_BE(ip[10]) ^ (x10 + kp[6]));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	229 op[11] = REVW_BE(REVW_BE(ip[11]) ^ (x11 + kp[7]));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	230 op[12] = REVW_BE(REVW_BE(ip[12]) ^ (x12 + (counter & 0xffffffff)+BPI*iters+(BPI-1)));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	231 op[13] = REVW_BE(REVW_BE(ip[13]) ^ (x13 + (counter >> 32)));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	232 op[14] = REVW_BE(REVW_BE(ip[14]) ^ (x14 + np[0]));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	233 op[15] = REVW_BE(REVW_BE(ip[15]) ^ (x15 + np[1]));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	234 s3 += ONE;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	235 ip += 16;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	236 op += 16;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	237 #endif
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	238 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	239
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	240 for (iters = inlen%(BPI*64)/64; iters != 0; iters--) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	241 vec v0 = s0, v1 = s1, v2 = s2, v3 = s3;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	242 for (i = CHACHA_RNDS/2; i; i--) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	243 DQROUND_VECTORS(v0,v1,v2,v3);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	244 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	245 WRITE_XOR(ip, op, 0, v0+s0, v1+s1, v2+s2, v3+s3)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	246 s3 += ONE;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	247 ip += 16;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	248 op += 16;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	249 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	250
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	251 inlen = inlen % 64;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	252 if (inlen) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	253 __attribute__ ((aligned (16))) vec buf[4];
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	254 vec v0,v1,v2,v3;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	255 v0 = s0; v1 = s1; v2 = s2; v3 = s3;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	256 for (i = CHACHA_RNDS/2; i; i--) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	257 DQROUND_VECTORS(v0,v1,v2,v3);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	258 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	259
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	260 if (inlen >= 16) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	261 STORE(op + 0, LOAD(ip + 0) ^ REVV_BE(v0 + s0));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	262 if (inlen >= 32) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	263 STORE(op + 4, LOAD(ip + 4) ^ REVV_BE(v1 + s1));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	264 if (inlen >= 48) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	265 STORE(op + 8, LOAD(ip + 8) ^ REVV_BE(v2 + s2));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	266 buf[3] = REVV_BE(v3 + s3);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	267 } else {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	268 buf[2] = REVV_BE(v2 + s2);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	269 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	270 } else {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	271 buf[1] = REVV_BE(v1 + s1);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	272 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	273 } else {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	274 buf[0] = REVV_BE(v0 + s0);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	275 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	276
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	277 for (i=inlen & ~15; i<inlen; i++) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	278 ((char )op)[i] = ((char )ip)[i] ^ ((char *)buf)[i];
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	279 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	280 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste Andre Heinecke <andre.heinecke@intevation.de> parents: diff changeset	281 }

Mercurial > trustbridge > nss-cmake-static

annotate nss/lib/freebl/chacha20/chacha20_vec.c @ 0:1e5118fa0cb1