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
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/* lib/crypto/crypto_tests/t_cts.c */
/*
* Copyright 2001, 2007 by the Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*/
/*
*
* Test vectors for crypto code, matching data submitted for inclusion
* with RFC1510bis.
*
* N.B.: Doesn't compile -- this file uses some routines internal to our
* crypto library which are declared "static" and thus aren't accessible
* without modifying the other sources.
*/
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include "crypto_int.h"
#define ASIZE(ARRAY) (sizeof(ARRAY)/sizeof(ARRAY[0]))
const char *whoami;
#if 0
static void printhex (size_t len, const char *p)
{
while (len--)
printf ("%02x", 0xff & *p++);
}
static void printstringhex (const char *p) { printhex (strlen (p), p); }
static void printdata (krb5_data *d) { printhex (d->length, d->data); }
static void printkey (krb5_keyblock *k) { printhex (k->length, k->contents); }
#endif
#define JURISIC "Juri\305\241i\304\207" /* hi Miro */
#define ESZETT "\303\237"
#define GCLEF "\360\235\204\236" /* outside BMP, woo hoo! */
#if 0
static void
check_error (int r, int line) {
if (r != 0) {
fprintf (stderr, "%s:%d: %s\n", __FILE__, line,
error_message (r));
exit (1);
}
}
#define CHECK check_error(r, __LINE__)
#endif
static void printd (const char *descr, krb5_data *d) {
unsigned int i, j;
const int r = 16;
printf("%s:", descr);
for (i = 0; i < d->length; i += r) {
printf("\n %04x: ", i);
for (j = i; j < i + r && j < d->length; j++)
printf(" %02x", 0xff & d->data[j]);
#ifdef SHOW_TEXT
for (; j < i + r; j++)
printf(" ");
printf(" ");
for (j = i; j < i + r && j < d->length; j++) {
int c = 0xff & d->data[j];
printf("%c", isprint(c) ? c : '.');
}
#endif
}
printf("\n");
}
static void printk(const char *descr, krb5_keyblock *k) {
krb5_data d;
d.data = (char *) k->contents;
d.length = k->length;
printd(descr, &d);
}
static void test_cts()
{
static const char input[4*16] =
"I would like the General Gau's Chicken, please, and wonton soup.";
static const unsigned char aeskey[16] = "chicken teriyaki";
static const int lengths[] = { 17, 31, 32, 47, 48, 64 };
unsigned int i;
char outbuf[64], encivbuf[16], decivbuf[16];
krb5_crypto_iov iov;
krb5_data in, enciv, deciv;
krb5_keyblock keyblock;
krb5_key key;
krb5_error_code err;
iov.flags = KRB5_CRYPTO_TYPE_DATA;
iov.data.data = outbuf;
in.data = input;
enciv.length = deciv.length = 16;
enciv.data = encivbuf;
deciv.data = decivbuf;
keyblock.contents = aeskey;
keyblock.length = 16;
keyblock.enctype = ENCTYPE_AES128_CTS_HMAC_SHA1_96;
err = krb5_k_create_key(NULL, &keyblock, &key);
if (err) {
printf("error %ld from krb5_k_create_key\n", (long)err);
exit(1);
}
memset(enciv.data, 0, 16);
printk("AES 128-bit key", &keyblock);
for (i = 0; i < sizeof(lengths)/sizeof(lengths[0]); i++) {
memset(enciv.data, 0, 16);
memset(deciv.data, 0, 16);
printf("\n");
iov.data.length = in.length = lengths[i];
memcpy(outbuf, input, lengths[i]);
printd("IV", &enciv);
err = krb5int_aes_encrypt(key, &enciv, &iov, 1);
if (err) {
printf("error %ld from krb5int_aes_encrypt\n", (long)err);
exit(1);
}
printd("Input", &in);
printd("Output", &iov.data);
printd("Next IV", &enciv);
err = krb5int_aes_decrypt(key, &deciv, &iov, 1);
if (err) {
printf("error %ld from krb5int_aes_decrypt\n", (long)err);
exit(1);
}
if (memcmp(outbuf, input, lengths[i]) != 0) {
printd("Decryption result DOESN'T MATCH", &iov.data);
exit(1);
}
if (memcmp(enciv.data, deciv.data, 16)) {
printd("Decryption IV result DOESN'T MATCH", &deciv);
exit(1);
}
}
krb5_k_free_key(NULL, key);
}
int main (int argc, char **argv)
{
whoami = argv[0];
test_cts();
return 0;
}
|
