mirror of
https://github.com/jart/cosmopolitan.git
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108 lines
4.3 KiB
C
108 lines
4.3 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│ vi: set et ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi │
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2021 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/str/blake2.h"
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#include "libc/assert.h"
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#include "libc/calls/struct/timespec.h"
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#include "libc/mem/mem.h"
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#include "libc/stdio/rand.h"
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#include "libc/stdio/stdio.h"
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#include "libc/str/str.h"
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#include "libc/str/tab.h"
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#include "libc/testlib/benchmark.h"
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#include "libc/testlib/hyperion.h"
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#include "libc/testlib/testlib.h"
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__static_yoink("libc/testlib/blake2b256_tests.txt");
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__static_yoink("zipos");
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uint8_t *EZBLAKE2B256(const char *s, size_t n) {
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static uint8_t digest[BLAKE2B256_DIGEST_LENGTH];
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BLAKE2B256(s, n, digest);
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return digest;
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}
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uint8_t *HEXBLAKE2B256(const char *s) {
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char *p;
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int a, b;
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size_t i, n;
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static uint8_t digest[BLAKE2B256_DIGEST_LENGTH];
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n = strlen(s);
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assert(!(n & 1));
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n /= 2;
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p = malloc(n + 1);
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for (i = 0; i < n; ++i) {
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a = kHexToInt[s[i * 2 + 0] & 255];
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b = kHexToInt[s[i * 2 + 1] & 255];
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assert(a != -1);
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assert(b != -1);
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p[i] = a << 4 | b;
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}
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BLAKE2B256(p, n, digest);
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free(p);
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return digest;
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}
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TEST(BLAKE2B256Test, ABC) {
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EXPECT_BINEQ(
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"bddd813c634239723171ef3fee98579b94964e3bb1cb3e427262c8c068d52319",
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EZBLAKE2B256("abc", 3));
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EXPECT_BINEQ(
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"0e5751c026e543b2e8ab2eb06099daa1d1e5df47778f7787faab45cdf12fe3a8",
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HEXBLAKE2B256(""));
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EXPECT_BINEQ(
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"03170a2e7597b7b7e3d84c05391d139a62b157e78786d8c082f29dcf4c111314",
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HEXBLAKE2B256("00"));
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}
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TEST(BLAKE2B256Test, vectors) {
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char *line = NULL;
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size_t cap = 0;
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ssize_t n;
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FILE *f = fopen("/zip/libc/testlib/blake2b256_tests.txt", "r");
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uint8_t *digest = 0;
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while ((n = getline(&line, &cap, f)) != -1) {
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if (n < 2 || line[0] == '#')
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continue;
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line[n - 1] = 0;
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if (!strncmp(line, "IN:", 3)) {
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digest = HEXBLAKE2B256(line + 4);
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}
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if (!strncmp(line, "HASH: ", 6)) {
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EXPECT_BINEQ(line + 6, digest);
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}
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}
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fclose(f);
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free(line);
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}
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BENCH(blake2, benchmark) {
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char fun[256];
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rngset(fun, 256, _rand64, -1);
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BENCHMARK(100, 0, __expropriate(EZBLAKE2B256(0, 0)));
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BENCHMARK(100, 1, __expropriate(EZBLAKE2B256("h", 1)));
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BENCHMARK(100, 8, __expropriate(EZBLAKE2B256("helloooo", 8)));
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BENCHMARK(100, 31, __expropriate(EZBLAKE2B256(fun, 31)));
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BENCHMARK(100, 32, __expropriate(EZBLAKE2B256(fun, 32)));
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BENCHMARK(100, 63, __expropriate(EZBLAKE2B256(fun, 63)));
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BENCHMARK(100, 64, __expropriate(EZBLAKE2B256(fun, 64)));
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BENCHMARK(100, 128, __expropriate(EZBLAKE2B256(fun, 128)));
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BENCHMARK(100, 256, __expropriate(EZBLAKE2B256(fun, 256)));
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BENCHMARK(100, kHyperionSize,
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__expropriate(EZBLAKE2B256(kHyperion, kHyperionSize)));
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}
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