mirror of
https://github.com/luxfi/pqclean.git
synced 2026-11-03 09:57:54 +00:00
96 lines
3.8 KiB
C
96 lines
3.8 KiB
C
#include <stdint.h>
|
|
#include <string.h>
|
|
|
|
#include "context.h"
|
|
#include "sha2_offsets.h"
|
|
#include "thashx8.h"
|
|
|
|
#include "hash.h"
|
|
#include "params.h"
|
|
#include "sha256x8.h"
|
|
#include "utils.h"
|
|
|
|
|
|
/**
|
|
* 8-way parallel version of thash; takes 8x as much input and output
|
|
*/
|
|
void thashx8(unsigned char *out0,
|
|
unsigned char *out1,
|
|
unsigned char *out2,
|
|
unsigned char *out3,
|
|
unsigned char *out4,
|
|
unsigned char *out5,
|
|
unsigned char *out6,
|
|
unsigned char *out7,
|
|
const unsigned char *in0,
|
|
const unsigned char *in1,
|
|
const unsigned char *in2,
|
|
const unsigned char *in3,
|
|
const unsigned char *in4,
|
|
const unsigned char *in5,
|
|
const unsigned char *in6,
|
|
const unsigned char *in7, unsigned int inblocks,
|
|
const spx_ctx *ctx, uint32_t addrx8[8 * 8]) {
|
|
PQCLEAN_VLA(unsigned char, bufx8, 8 * (SPX_SHA256_ADDR_BYTES + inblocks * SPX_N));
|
|
unsigned char outbufx8[8 * SPX_SHA256_OUTPUT_BYTES];
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < 8; i++) {
|
|
memcpy(bufx8 + (i * (SPX_SHA256_ADDR_BYTES + inblocks * SPX_N)),
|
|
addrx8 + (i * 8), SPX_SHA256_ADDR_BYTES);
|
|
}
|
|
|
|
memcpy(bufx8 + SPX_SHA256_ADDR_BYTES +
|
|
(0 * (SPX_SHA256_ADDR_BYTES + inblocks * SPX_N)), in0, inblocks * SPX_N);
|
|
memcpy(bufx8 + SPX_SHA256_ADDR_BYTES +
|
|
(1 * (SPX_SHA256_ADDR_BYTES + inblocks * SPX_N)), in1, inblocks * SPX_N);
|
|
memcpy(bufx8 + SPX_SHA256_ADDR_BYTES +
|
|
(2 * (SPX_SHA256_ADDR_BYTES + inblocks * SPX_N)), in2, inblocks * SPX_N);
|
|
memcpy(bufx8 + SPX_SHA256_ADDR_BYTES +
|
|
(3 * (SPX_SHA256_ADDR_BYTES + inblocks * SPX_N)), in3, inblocks * SPX_N);
|
|
memcpy(bufx8 + SPX_SHA256_ADDR_BYTES +
|
|
(4 * (SPX_SHA256_ADDR_BYTES + inblocks * SPX_N)), in4, inblocks * SPX_N);
|
|
memcpy(bufx8 + SPX_SHA256_ADDR_BYTES +
|
|
(5 * (SPX_SHA256_ADDR_BYTES + inblocks * SPX_N)), in5, inblocks * SPX_N);
|
|
memcpy(bufx8 + SPX_SHA256_ADDR_BYTES +
|
|
(6 * (SPX_SHA256_ADDR_BYTES + inblocks * SPX_N)), in6, inblocks * SPX_N);
|
|
memcpy(bufx8 + SPX_SHA256_ADDR_BYTES +
|
|
(7 * (SPX_SHA256_ADDR_BYTES + inblocks * SPX_N)), in7, inblocks * SPX_N);
|
|
|
|
sha256x8_seeded(
|
|
/* out */
|
|
outbufx8 + (0 * SPX_SHA256_OUTPUT_BYTES),
|
|
outbufx8 + (1 * SPX_SHA256_OUTPUT_BYTES),
|
|
outbufx8 + (2 * SPX_SHA256_OUTPUT_BYTES),
|
|
outbufx8 + (3 * SPX_SHA256_OUTPUT_BYTES),
|
|
outbufx8 + (4 * SPX_SHA256_OUTPUT_BYTES),
|
|
outbufx8 + (5 * SPX_SHA256_OUTPUT_BYTES),
|
|
outbufx8 + (6 * SPX_SHA256_OUTPUT_BYTES),
|
|
outbufx8 + (7 * SPX_SHA256_OUTPUT_BYTES),
|
|
|
|
/* seed */
|
|
&ctx->statex8_seeded,
|
|
|
|
/* in */
|
|
bufx8 + (0 * (SPX_SHA256_ADDR_BYTES + inblocks * SPX_N)),
|
|
bufx8 + (1 * (SPX_SHA256_ADDR_BYTES + inblocks * SPX_N)),
|
|
bufx8 + (2 * (SPX_SHA256_ADDR_BYTES + inblocks * SPX_N)),
|
|
bufx8 + (3 * (SPX_SHA256_ADDR_BYTES + inblocks * SPX_N)),
|
|
bufx8 + (4 * (SPX_SHA256_ADDR_BYTES + inblocks * SPX_N)),
|
|
bufx8 + (5 * (SPX_SHA256_ADDR_BYTES + inblocks * SPX_N)),
|
|
bufx8 + (6 * (SPX_SHA256_ADDR_BYTES + inblocks * SPX_N)),
|
|
bufx8 + (7 * (SPX_SHA256_ADDR_BYTES + inblocks * SPX_N)),
|
|
SPX_SHA256_ADDR_BYTES + (inblocks * SPX_N) /* len */
|
|
);
|
|
|
|
memcpy(out0, outbufx8 + (0 * SPX_SHA256_OUTPUT_BYTES), SPX_N);
|
|
memcpy(out1, outbufx8 + (1 * SPX_SHA256_OUTPUT_BYTES), SPX_N);
|
|
memcpy(out2, outbufx8 + (2 * SPX_SHA256_OUTPUT_BYTES), SPX_N);
|
|
memcpy(out3, outbufx8 + (3 * SPX_SHA256_OUTPUT_BYTES), SPX_N);
|
|
memcpy(out4, outbufx8 + (4 * SPX_SHA256_OUTPUT_BYTES), SPX_N);
|
|
memcpy(out5, outbufx8 + (5 * SPX_SHA256_OUTPUT_BYTES), SPX_N);
|
|
memcpy(out6, outbufx8 + (6 * SPX_SHA256_OUTPUT_BYTES), SPX_N);
|
|
memcpy(out7, outbufx8 + (7 * SPX_SHA256_OUTPUT_BYTES), SPX_N);
|
|
}
|
|
|