1 /* Copyright (c) 2015, Google Inc.
2 *
3 * Permission to use, copy, modify, and/or distribute this software for any
4 * purpose with or without fee is hereby granted, provided that the above
5 * copyright notice and this permission notice appear in all copies.
6 *
7 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
8 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
9 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
10 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
11 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
12 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
13 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
14
15 #include <stdint.h>
16 #include <string.h>
17
18 #include <openssl/curve25519.h>
19
20 #include "../internal.h"
21 #include "../test/file_test.h"
22
23
TestSignature(FileTest * t,void * arg)24 static bool TestSignature(FileTest *t, void *arg) {
25 std::vector<uint8_t> private_key, public_key, message, expected_signature;
26 if (!t->GetBytes(&private_key, "PRIV") ||
27 private_key.size() != 64 ||
28 !t->GetBytes(&public_key, "PUB") ||
29 public_key.size() != 32 ||
30 !t->GetBytes(&message, "MESSAGE") ||
31 !t->GetBytes(&expected_signature, "SIG") ||
32 expected_signature.size() != 64) {
33 return false;
34 }
35
36 uint8_t signature[64];
37 if (!ED25519_sign(signature, message.data(), message.size(),
38 private_key.data())) {
39 t->PrintLine("ED25519_sign failed");
40 return false;
41 }
42
43 if (!t->ExpectBytesEqual(expected_signature.data(), expected_signature.size(),
44 signature, sizeof(signature))) {
45 return false;
46 }
47
48 if (!ED25519_verify(message.data(), message.size(), signature,
49 public_key.data())) {
50 t->PrintLine("ED25519_verify failed");
51 return false;
52 }
53
54 return true;
55 }
56
TestKeypairFromSeed()57 static bool TestKeypairFromSeed() {
58 uint8_t public_key1[32], private_key1[64];
59 ED25519_keypair(public_key1, private_key1);
60
61 uint8_t seed[32];
62 OPENSSL_memcpy(seed, private_key1, sizeof(seed));
63
64 uint8_t public_key2[32], private_key2[64];
65 ED25519_keypair_from_seed(public_key2, private_key2, seed);
66
67 if (OPENSSL_memcmp(public_key1, public_key2, sizeof(public_key1)) != 0 ||
68 OPENSSL_memcmp(private_key1, private_key2, sizeof(private_key1)) != 0) {
69 fprintf(stderr, "TestKeypairFromSeed: resulting keypairs did not match.\n");
70 return false;
71 }
72
73 return true;
74 }
75
main(int argc,char ** argv)76 int main(int argc, char **argv) {
77 if (argc != 2) {
78 fprintf(stderr, "%s <test input.txt>\n", argv[0]);
79 return 1;
80 }
81
82 return TestKeypairFromSeed() && FileTestMain(TestSignature, nullptr, argv[1]);
83 }
84