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