2 * ed448-test.c: test harness for elliptic curve signatures
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.)
9 * This file is Free Software. It was originally written for secnet.
11 * Copyright 2019 Mark Wooding
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
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
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.
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.
40 #include "crypto-test.h"
43 RSIGOUT, RAOUT = RSIGOUT, RRC = RSIGOUT, NROUT,
44 RA = NROUT, RPH, RCTX, RM, RSIGIN, NREG
47 static void test_pubkey(struct reg *out, const struct reg *in, void *ctx)
49 allocate_bytes(&out[RAOUT].v, ED448_PUBSZ);
50 ed448_pubkey(out[RAOUT].v.bytes.p,
51 in[RA].v.bytes.p, in[RA].v.bytes.sz);
54 static void test_sign(struct reg *out, const struct reg *in, void *ctx)
57 const octet *m = in[RM].v.bytes.p; size_t msz = in[RM].v.bytes.sz;
63 shake_hash(&hctx, m, msz);
64 shake_done(&hctx, h, sizeof(h));
65 m = h; msz = sizeof(h);
68 allocate_bytes(&out[RSIGOUT].v, ED448_SIGSZ);
69 ed448_pubkey(K, in[RA].v.bytes.p, in[RA].v.bytes.sz);
70 ed448_sign(out[RSIGOUT].v.bytes.p,
71 in[RA].v.bytes.p, in[RA].v.bytes.sz, K,
73 in[RCTX].v.bytes.p, in[RCTX].v.bytes.sz,
77 static void test_verify(struct reg *out, const struct reg *in, void *ctx)
79 const octet *m = in[RM].v.bytes.p; size_t msz = in[RM].v.bytes.sz;
85 shake_hash(&hctx, m, msz);
86 shake_done(&hctx, h, sizeof(h));
87 m = h; msz = sizeof(h);
90 out[RRC].v.i = ed448_verify(in[RA].v.bytes.p,
92 in[RCTX].v.bytes.p, in[RCTX].v.bytes.sz,
93 m, msz, in[RSIGIN].v.bytes.p);
96 #define REG_A { "a", RA, ®ty_bytes, 0 }
97 #define REG_BIGA { "A", RA, ®ty_bytes, 0 }
98 #define REG_PH { "ph", RPH, ®ty_int, 0 }
99 #define REG_CTX { "ctx", RCTX, ®ty_bytes, 0 }
100 #define REG_M { "m", RM, ®ty_bytes, 0 }
101 #define REG_SIGIN { "sig", RSIGIN, ®ty_bytes, 0 }
103 #define REG_SIGOUT { "sig", RSIGOUT, ®ty_bytes, 0 }
104 #define REG_AOUT { "A", RAOUT, ®ty_bytes, 0 }
105 #define REG_RC { "rc", RRC, ®ty_int, 0 }
106 static const struct regdef
107 pubkey_regs[] = { REG_A, REG_AOUT, REGLIST_END },
108 sign_regs[] = { REG_A, REG_PH, REG_CTX,
109 REG_M, REG_SIGOUT, REGLIST_END },
110 verify_regs[] = { REG_BIGA, REG_PH, REG_CTX,
111 REG_M, REG_SIGIN, REG_RC, REGLIST_END };
113 static const struct test tests[] = {
114 { "pubkey", run_test, pubkey_regs, test_pubkey },
115 { "sign", run_test, sign_regs, test_sign },
116 { "verify", run_test, verify_regs, test_verify },
121 { return run_test_suite(NROUT, NREG, sizeof(struct reg), tests, stdin); }