1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
|
/* Copyright (c) 2017, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
// cavp_sha_test processes a NIST CAVP SHA test vector request file and emits
// the corresponding response.
#include <stdlib.h>
#include <openssl/crypto.h>
#include <openssl/digest.h>
#include "../crypto/test/file_test.h"
#include "cavp_test_util.h"
namespace {
struct TestCtx {
std::string hash;
};
}
static bool TestSHA(FileTest *t, void *arg) {
TestCtx *ctx = reinterpret_cast<TestCtx *>(arg);
const EVP_MD *md = EVP_get_digestbyname(ctx->hash.c_str());
if (md == nullptr) {
return false;
}
const size_t md_len = EVP_MD_size(md);
std::string out_len;
if (!t->GetInstruction(&out_len, "L") ||
md_len != strtoul(out_len.c_str(), nullptr, 0)) {
return false;
}
std::string msg_len_str;
std::vector<uint8_t> msg;
if (!t->GetAttribute(&msg_len_str, "Len") ||
!t->GetBytes(&msg, "Msg")) {
return false;
}
size_t msg_len = strtoul(msg_len_str.c_str(), nullptr, 0);
if (msg_len % 8 != 0 ||
msg_len / 8 > msg.size()) {
return false;
}
msg_len /= 8;
std::vector<uint8_t> out;
out.resize(md_len);
unsigned digest_len;
if (!EVP_Digest(msg.data(), msg_len, out.data(), &digest_len, md, nullptr) ||
digest_len != out.size()) {
return false;
}
printf("%s", t->CurrentTestToString().c_str());
printf("MD = %s\r\n\r\n", EncodeHex(out.data(), out.size()).c_str());
return true;
}
static int usage(char *arg) {
fprintf(stderr, "usage: %s <hash> <test file>\n", arg);
return 1;
}
int cavp_sha_test_main(int argc, char **argv) {
if (argc != 3) {
return usage(argv[0]);
}
TestCtx ctx = {std::string(argv[1])};
FileTest::Options opts;
opts.path = argv[2];
opts.callback = TestSHA;
opts.arg = &ctx;
opts.silent = true;
opts.comment_callback = EchoComment;
return FileTestMain(opts);
}
|
