mirror of
https://github.com/henrydcase/pqc.git
synced 2024-11-23 07:59:01 +00:00
ac2c20045c
* Add McEliece reference implementations * Add Vec implementations of McEliece * Add sse implementations * Add AVX2 implementations * Get rid of stuff not supported by Mac ABI * restrict to two cores * Ditch .data files * Remove .hidden from all .S files * speed up duplicate consistency tests by batching * make cpuinfo more robust * Hope to stabilize macos cpuinfo without ccache * Revert "Hope to stabilize macos cpuinfo without ccache" This reverts commit 6129c3cabe1abbc8b956bc87e902a698e32bf322. * Just hardcode what's available at travis * Fixed-size types in api.h * namespace all header files in mceliece * Ditch operations.h * Get rid of static inline functions * fixup! Ditch operations.h
138 lines
3.9 KiB
C
138 lines
3.9 KiB
C
/*
|
|
This file is for functions related to 256-bit vectors
|
|
including functions for bitsliced field operations
|
|
*/
|
|
|
|
#include "vec256.h"
|
|
|
|
extern void PQCLEAN_MCELIECE348864F_AVX_vec256_mul_asm(vec256 *, vec256 *, const vec256 *);
|
|
|
|
vec256 PQCLEAN_MCELIECE348864F_AVX_vec256_set1_16b(uint16_t a) {
|
|
return _mm256_set1_epi16(a);
|
|
}
|
|
|
|
vec256 PQCLEAN_MCELIECE348864F_AVX_vec256_setzero(void) {
|
|
return _mm256_setzero_si256();
|
|
}
|
|
|
|
vec256 PQCLEAN_MCELIECE348864F_AVX_vec256_set4x(uint64_t a0, uint64_t a1, uint64_t a2, uint64_t a3) {
|
|
return _mm256_set_epi64x(a3, a2, a1, a0);
|
|
}
|
|
|
|
int PQCLEAN_MCELIECE348864F_AVX_vec256_testz(vec256 a) {
|
|
return _mm256_testz_si256(a, a);
|
|
}
|
|
|
|
vec256 PQCLEAN_MCELIECE348864F_AVX_vec256_and(vec256 a, vec256 b) {
|
|
return _mm256_and_si256(a, b);
|
|
}
|
|
|
|
vec256 PQCLEAN_MCELIECE348864F_AVX_vec256_xor(vec256 a, vec256 b) {
|
|
return _mm256_xor_si256(a, b);
|
|
}
|
|
|
|
vec256 PQCLEAN_MCELIECE348864F_AVX_vec256_or(vec256 a, vec256 b) {
|
|
return _mm256_or_si256(a, b);
|
|
}
|
|
|
|
vec256 PQCLEAN_MCELIECE348864F_AVX_vec256_sll_4x(vec256 a, int s) {
|
|
return _mm256_slli_epi64(a, s);
|
|
}
|
|
|
|
vec256 PQCLEAN_MCELIECE348864F_AVX_vec256_srl_4x(vec256 a, int s) {
|
|
return _mm256_srli_epi64(a, s);
|
|
}
|
|
|
|
vec256 PQCLEAN_MCELIECE348864F_AVX_vec256_unpack_low(vec256 a, vec256 b) {
|
|
return _mm256_permute2x128_si256 (a, b, 0x20);
|
|
}
|
|
|
|
vec256 PQCLEAN_MCELIECE348864F_AVX_vec256_unpack_high(vec256 a, vec256 b) {
|
|
return _mm256_permute2x128_si256 (a, b, 0x31);
|
|
}
|
|
|
|
vec256 PQCLEAN_MCELIECE348864F_AVX_vec256_unpack_low_2x(vec256 a, vec256 b) {
|
|
return _mm256_unpacklo_epi64 (a, b);
|
|
}
|
|
|
|
vec256 PQCLEAN_MCELIECE348864F_AVX_vec256_unpack_high_2x(vec256 a, vec256 b) {
|
|
return _mm256_unpackhi_epi64 (a, b);
|
|
}
|
|
|
|
vec256 PQCLEAN_MCELIECE348864F_AVX_vec256_or_reduce(const vec256 *a) {
|
|
int i;
|
|
vec256 ret;
|
|
|
|
ret = a[0];
|
|
for (i = 1; i < GFBITS; i++) {
|
|
ret = PQCLEAN_MCELIECE348864F_AVX_vec256_or(ret, a[i]);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
void PQCLEAN_MCELIECE348864F_AVX_vec256_copy(vec256 *dest, const vec256 *src) {
|
|
int i;
|
|
|
|
for (i = 0; i < GFBITS; i++) {
|
|
dest[i] = src[i];
|
|
}
|
|
}
|
|
|
|
|
|
void PQCLEAN_MCELIECE348864F_AVX_vec256_mul(vec256 *h, vec256 *f, const vec256 *g) {
|
|
PQCLEAN_MCELIECE348864F_AVX_vec256_mul_asm(h, f, g);
|
|
}
|
|
|
|
/* bitsliced field squarings */
|
|
void PQCLEAN_MCELIECE348864F_AVX_vec256_sq(vec256 *out, const vec256 *in) {
|
|
int i;
|
|
vec256 result[GFBITS];
|
|
|
|
result[0] = in[0] ^ in[6];
|
|
result[1] = in[11];
|
|
result[2] = in[1] ^ in[7];
|
|
result[3] = in[6];
|
|
result[4] = in[2] ^ in[11] ^ in[8];
|
|
result[5] = in[7];
|
|
result[6] = in[3] ^ in[9];
|
|
result[7] = in[8];
|
|
result[8] = in[4] ^ in[10];
|
|
result[9] = in[9];
|
|
result[10] = in[5] ^ in[11];
|
|
result[11] = in[10];
|
|
|
|
for (i = 0; i < GFBITS; i++) {
|
|
out[i] = result[i];
|
|
}
|
|
}
|
|
|
|
/* bitsliced field inverses */
|
|
void PQCLEAN_MCELIECE348864F_AVX_vec256_inv(vec256 *out, const vec256 *in) {
|
|
vec256 tmp_11[ GFBITS ];
|
|
vec256 tmp_1111[ GFBITS ];
|
|
|
|
PQCLEAN_MCELIECE348864F_AVX_vec256_copy(out, in);
|
|
|
|
PQCLEAN_MCELIECE348864F_AVX_vec256_sq(out, out);
|
|
PQCLEAN_MCELIECE348864F_AVX_vec256_mul(tmp_11, out, in); // ^11
|
|
|
|
PQCLEAN_MCELIECE348864F_AVX_vec256_sq(out, tmp_11);
|
|
PQCLEAN_MCELIECE348864F_AVX_vec256_sq(out, out);
|
|
PQCLEAN_MCELIECE348864F_AVX_vec256_mul(tmp_1111, out, tmp_11); // ^1111
|
|
|
|
PQCLEAN_MCELIECE348864F_AVX_vec256_sq(out, tmp_1111);
|
|
PQCLEAN_MCELIECE348864F_AVX_vec256_sq(out, out);
|
|
PQCLEAN_MCELIECE348864F_AVX_vec256_sq(out, out);
|
|
PQCLEAN_MCELIECE348864F_AVX_vec256_sq(out, out);
|
|
PQCLEAN_MCELIECE348864F_AVX_vec256_mul(out, out, tmp_1111); // ^11111111
|
|
|
|
PQCLEAN_MCELIECE348864F_AVX_vec256_sq(out, out);
|
|
PQCLEAN_MCELIECE348864F_AVX_vec256_sq(out, out);
|
|
PQCLEAN_MCELIECE348864F_AVX_vec256_mul(out, out, tmp_11); // ^1111111111
|
|
PQCLEAN_MCELIECE348864F_AVX_vec256_sq(out, out);
|
|
PQCLEAN_MCELIECE348864F_AVX_vec256_mul(out, out, in); // ^11111111111
|
|
|
|
PQCLEAN_MCELIECE348864F_AVX_vec256_sq(out, out); // ^111111111110
|
|
}
|