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 "../test/file_test.h"
21 
22 
TestSignature(FileTest * t,void * arg)23 static bool TestSignature(FileTest *t, void *arg) {
24   std::vector<uint8_t> private_key, public_key, message, expected_signature;
25   if (!t->GetBytes(&private_key, "PRIV") ||
26       private_key.size() != 64 ||
27       !t->GetBytes(&public_key, "PUB") ||
28       public_key.size() != 32 ||
29       !t->GetBytes(&message, "MESSAGE") ||
30       !t->GetBytes(&expected_signature, "SIG") ||
31       expected_signature.size() != 64) {
32     return false;
33   }
34 
35   uint8_t signature[64];
36   if (!ED25519_sign(signature, message.data(), message.size(),
37                     private_key.data())) {
38     t->PrintLine("ED25519_sign failed");
39     return false;
40   }
41 
42   if (!t->ExpectBytesEqual(expected_signature.data(), expected_signature.size(),
43                            signature, sizeof(signature))) {
44     return false;
45   }
46 
47   if (!ED25519_verify(message.data(), message.size(), signature,
48                       public_key.data())) {
49     t->PrintLine("ED25519_verify failed");
50     return false;
51   }
52 
53   return true;
54 }
55 
main(int argc,char ** argv)56 int main(int argc, char **argv) {
57   if (argc != 2) {
58     fprintf(stderr, "%s <test input.txt>\n", argv[0]);
59     return 1;
60   }
61 
62   return FileTestMain(TestSignature, nullptr, argv[1]);
63 }
64