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/*
SipHash reference C implementation
Copyright (c) 2012-2021 Jean-Philippe Aumasson <jeanphilippe.aumasson@gmail.com>
Copyright (c) 2012 Daniel J. Bernstein <djb@cr.yp.to>
To the extent possible under law, the author(s) have dedicated all copyright
and related and neighboring rights to this software to the public domain
worldwide. This software is distributed without any warranty.
You should have received a copy of the CC0 Public Domain Dedication along with
this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
*/
#include "vectors.h"
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#define PRINTHASH(n) \
printf(" { "); \
for (int j = 0; j < n; ++j) { \
printf("0x%02x, ", out[j]); \
} \
printf("},\n");
int siphash(const uint8_t *in, const size_t inlen, const uint8_t *k,
uint8_t *out, const size_t outlen);
int halfsiphash(const uint8_t *in, const size_t inlen, const uint8_t *k,
uint8_t *out, const size_t outlen);
const char *functions[4] = {
"const uint8_t vectors_sip64[64][8] =",
"const uint8_t vectors_sip128[64][16] =",
"const uint8_t vectors_hsip32[64][4] =",
"const uint8_t vectors_hsip64[64][8] =",
};
const char *labels[4] = {
"SipHash-2-4-64",
"SipHash-2-4-128",
"HalfSipHash-2-4-32",
"HalfSipHash-2-4-64",
};
size_t lengths[4] = {8, 16, 4, 8};
int siphash_test() {
uint8_t in[64], out[16], k[16];
int i;
bool any_failed = false;
#ifndef GETVECTORS
int fails = 0;
#endif
for (i = 0; i < 16; ++i)
k[i] = i;
for (int version = 0; version < 4; ++version) {
#ifdef GETVECTORS
printf("%s\n{\n", functions[version]);
#else
printf("%s\n", labels[version]);
#endif
for (i = 0; i < 64; ++i) {
in[i] = i;
int len = lengths[version];
if (version < 2)
siphash(in, i, k, out, len);
else
halfsiphash(in, i, k, out, len);
#ifdef GETVECTORS
PRINTHASH(len);
#else
const uint8_t *v = NULL;
switch (version) {
case 0:
v = (uint8_t *)vectors_sip64;
break;
case 1:
v = (uint8_t *)vectors_sip128;
break;
case 2:
v = (uint8_t *)vectors_hsip32;
break;
case 3:
v = (uint8_t *)vectors_hsip64;
break;
default:
break;
}
if (memcmp(out, v + (i * len), len)) {
printf("fail for %d bytes\n", i);
fails++;
any_failed = true;
}
#endif
}
#ifdef GETVECTORS
printf("};\n");
#else
if (!fails)
printf("OK\n");
fails = 0;
#endif
}
return any_failed;
}
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