| 1 | /* |
| 2 | * sha3-test.c: test harness for SHA3 and related functions |
| 3 | * |
| 4 | * (The implementations originally came with different test arrangements, |
| 5 | * with complicated external dependencies. This file replicates the original |
| 6 | * tests, but without the dependencies.) |
| 7 | */ |
| 8 | /* |
| 9 | * This file is Free Software. It was originally written for secnet. |
| 10 | * |
| 11 | * Copyright 2019 Mark Wooding |
| 12 | * |
| 13 | * You may redistribute secnet as a whole and/or modify it under the |
| 14 | * terms of the GNU General Public License as published by the Free |
| 15 | * Software Foundation; either version 3, or (at your option) any |
| 16 | * later version. |
| 17 | * |
| 18 | * You may redistribute this file and/or modify it under the terms of |
| 19 | * the GNU General Public License as published by the Free Software |
| 20 | * Foundation; either version 2, or (at your option) any later |
| 21 | * version. |
| 22 | * |
| 23 | * This software is distributed in the hope that it will be useful, |
| 24 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 25 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 26 | * GNU General Public License for more details. |
| 27 | * |
| 28 | * You should have received a copy of the GNU General Public License |
| 29 | * along with this software; if not, see |
| 30 | * https://www.gnu.org/licenses/gpl.html. |
| 31 | */ |
| 32 | |
| 33 | #include <stdio.h> |
| 34 | |
| 35 | #include "secnet.h" |
| 36 | |
| 37 | #include "keccak1600.h" |
| 38 | #include "sha3.h" |
| 39 | #include "crypto-test.h" |
| 40 | |
| 41 | enum { |
| 42 | RH, NROUT, |
| 43 | RM = NROUT, RN, RFUNC, RPERSO, NREG |
| 44 | }; |
| 45 | |
| 46 | struct test_context { |
| 47 | size_t step; |
| 48 | size_t outsz; |
| 49 | }; |
| 50 | |
| 51 | static void run_sha3_kat(struct test_state *state, const struct test *test) |
| 52 | { |
| 53 | static const unsigned steps[] = { 1, 7, 192, -1 }; |
| 54 | unsigned i = 0; |
| 55 | struct test_context ctx; |
| 56 | |
| 57 | ctx.outsz = state->in[RH].v.bytes.sz; |
| 58 | do { |
| 59 | ctx.step = steps[i]; |
| 60 | test->fn(state->out, state->in, &ctx); |
| 61 | check_test_output(state, test); |
| 62 | } while (steps[i++] != (unsigned)-1); |
| 63 | } |
| 64 | |
| 65 | #define SHA3_VARIANTS(_) _(224) _(256) _(384) _(512) |
| 66 | |
| 67 | #define SHA3_TESTFUNCS(w) \ |
| 68 | \ |
| 69 | static void test_sha3_##w##_kat(struct reg *out, \ |
| 70 | const struct reg *in, void *vctx) \ |
| 71 | { \ |
| 72 | struct test_context *ctx = vctx; \ |
| 73 | sha3_ctx hctx; \ |
| 74 | const octet *p = in[RM].v.bytes.p; \ |
| 75 | size_t sz = in[RM].v.bytes.sz, n; \ |
| 76 | \ |
| 77 | allocate_bytes(&out[RH].v, SHA3_##w##_HASHSZ); \ |
| 78 | sha3_##w##_init(&hctx); \ |
| 79 | while (sz) { \ |
| 80 | n = ctx->step; if (n > sz) n = sz; \ |
| 81 | sha3_hash(&hctx, p, n); p += n; sz -= n; \ |
| 82 | } \ |
| 83 | sha3_done(&hctx, out[RH].v.bytes.p); \ |
| 84 | } \ |
| 85 | \ |
| 86 | static void test_sha3_##w##_mct(struct reg *out, \ |
| 87 | const struct reg *in, void *vctx) \ |
| 88 | { \ |
| 89 | sha3_ctx hctx; \ |
| 90 | octet *p; \ |
| 91 | unsigned i, n = in[RN].v.u; \ |
| 92 | \ |
| 93 | allocate_bytes(&out[RH].v, SHA3_##w##_HASHSZ); \ |
| 94 | p = out[RH].v.bytes.p; \ |
| 95 | memcpy(p, in[RM].v.bytes.p, SHA3_##w##_HASHSZ); \ |
| 96 | for (i = 0; i < n; i++) { \ |
| 97 | sha3_##w##_init(&hctx); \ |
| 98 | sha3_hash(&hctx, p, SHA3_##w##_HASHSZ); \ |
| 99 | sha3_done(&hctx, p); \ |
| 100 | } \ |
| 101 | } |
| 102 | |
| 103 | SHA3_VARIANTS(SHA3_TESTFUNCS) |
| 104 | |
| 105 | #define SHAKE_VARIANTS(_) _(128) _(256) |
| 106 | |
| 107 | #define SHAKE_TESTFUNCS(w) \ |
| 108 | \ |
| 109 | static void test_shake##w##_kat(struct reg *out, \ |
| 110 | const struct reg *in, void *vctx) \ |
| 111 | { \ |
| 112 | struct test_context *ctx = vctx; \ |
| 113 | shake_ctx hctx; \ |
| 114 | const octet *p = in[RM].v.bytes.p; octet *q; \ |
| 115 | size_t sz = in[RM].v.bytes.sz, n; \ |
| 116 | \ |
| 117 | allocate_bytes(&out[RH].v, ctx->outsz); \ |
| 118 | shake##w##_init(&hctx); \ |
| 119 | while (sz) { \ |
| 120 | n = ctx->step; if (n > sz) n = sz; \ |
| 121 | shake_hash(&hctx, p, n); p += n; sz -= n; \ |
| 122 | } \ |
| 123 | shake_xof(&hctx); \ |
| 124 | q = out[RH].v.bytes.p; sz = ctx->outsz; \ |
| 125 | while (sz) { \ |
| 126 | n = ctx->step; if (n > sz) n = sz; \ |
| 127 | shake_get(&hctx, q, n); q += n; sz -= n; \ |
| 128 | } \ |
| 129 | } \ |
| 130 | \ |
| 131 | static void test_cshake##w##_kat(struct reg *out, \ |
| 132 | const struct reg *in, void *vctx) \ |
| 133 | { \ |
| 134 | struct test_context *ctx = vctx; \ |
| 135 | shake_ctx hctx; \ |
| 136 | const octet *p = in[RM].v.bytes.p; octet *q; \ |
| 137 | size_t sz = in[RM].v.bytes.sz, n; \ |
| 138 | \ |
| 139 | allocate_bytes(&out[RH].v, ctx->outsz); \ |
| 140 | cshake##w##_init(&hctx, \ |
| 141 | in[RFUNC].v.str.p, in[RFUNC].v.str.sz, \ |
| 142 | in[RPERSO].v.str.p, in[RPERSO].v.str.sz); \ |
| 143 | while (sz) { \ |
| 144 | n = ctx->step; if (n > sz) n = sz; \ |
| 145 | shake_hash(&hctx, p, n); p += n; sz -= n; \ |
| 146 | } \ |
| 147 | shake_xof(&hctx); \ |
| 148 | q = out[RH].v.bytes.p; sz = ctx->outsz; \ |
| 149 | while (sz) { \ |
| 150 | n = ctx->step; if (n > sz) n = sz; \ |
| 151 | shake_get(&hctx, q, n); q += n; sz -= n; \ |
| 152 | } \ |
| 153 | } |
| 154 | |
| 155 | SHAKE_VARIANTS(SHAKE_TESTFUNCS) |
| 156 | |
| 157 | #define REG_M { "m", RM, ®ty_bytes, 0 } |
| 158 | #define REG_N { "n", RN, ®ty_uint, 0 } |
| 159 | #define REG_FUNC { "func", RFUNC, ®ty_string, 0 } |
| 160 | #define REG_PERSO { "perso", RPERSO, ®ty_string, 0 } |
| 161 | #define REG_H { "h", RH, ®ty_bytes, 0 } |
| 162 | static const struct regdef |
| 163 | hash_kat_regs[] = { REG_M, REG_H, REGLIST_END }, |
| 164 | hash_mct_regs[] = { REG_M, REG_N, REG_H, REGLIST_END }, |
| 165 | cshake_regs[] = { REG_M, REG_FUNC, REG_PERSO, REG_H, REGLIST_END }; |
| 166 | |
| 167 | #define SHA3_TESTDEFS(w) \ |
| 168 | { "sha3-" #w "-hex", run_sha3_kat, \ |
| 169 | hash_kat_regs, test_sha3_##w##_kat }, \ |
| 170 | { "sha3-" #w "-mct", run_test, \ |
| 171 | hash_mct_regs, test_sha3_##w##_mct }, |
| 172 | #define SHAKE_TESTDEFS(w) \ |
| 173 | { "shake" #w, run_sha3_kat, \ |
| 174 | hash_kat_regs, test_shake##w##_kat }, \ |
| 175 | { "cshake" #w, run_sha3_kat, \ |
| 176 | cshake_regs, test_cshake##w##_kat }, |
| 177 | static const struct test tests[] = { |
| 178 | SHA3_VARIANTS(SHA3_TESTDEFS) |
| 179 | SHAKE_VARIANTS(SHAKE_TESTDEFS) |
| 180 | { 0 } |
| 181 | }; |
| 182 | |
| 183 | int main(void) |
| 184 | { return run_test_suite(NROUT, NREG, sizeof(struct reg), tests, stdin); } |