Line data Source code
1 : /* aeswrap.c - AESWRAP mode regression tests
2 : * Copyright (C) 2009 Free Software Foundation, Inc.
3 : *
4 : * This file is part of Libgcrypt.
5 : *
6 : * Libgcrypt is free software; you can redistribute it and/or modify
7 : * it under the terms of the GNU Lesser General Public License as
8 : * published by the Free Software Foundation; either version 2.1 of
9 : * the License, or (at your option) any later version.
10 : *
11 : * Libgcrypt is distributed in the hope that it will be useful,
12 : * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 : * GNU Lesser General Public License for more details.
15 : *
16 : * You should have received a copy of the GNU Lesser General Public
17 : * License along with this program; if not, write to the Free Software
18 : * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
19 : */
20 :
21 : #ifdef HAVE_CONFIG_H
22 : #include <config.h>
23 : #endif
24 : #include <stdio.h>
25 : #include <stdlib.h>
26 : #include <string.h>
27 : #include <stdarg.h>
28 :
29 : #define PGM "aeswrap"
30 : #include "t-common.h"
31 :
32 :
33 : static void
34 6 : check (int algo,
35 : const void *kek, size_t keklen,
36 : const void *data, size_t datalen,
37 : const void *expected, size_t expectedlen)
38 : {
39 : gcry_error_t err;
40 : gcry_cipher_hd_t hd;
41 : unsigned char outbuf[32+8];
42 : size_t outbuflen;
43 :
44 6 : err = gcry_cipher_open (&hd, algo, GCRY_CIPHER_MODE_AESWRAP, 0);
45 6 : if (err)
46 : {
47 0 : fail ("gcry_cipher_open failed: %s\n", gpg_strerror (err));
48 0 : return;
49 : }
50 :
51 6 : err = gcry_cipher_setkey (hd, kek, keklen);
52 6 : if (err)
53 : {
54 0 : fail ("gcry_cipher_setkey failed: %s\n", gpg_strerror (err));
55 0 : return;
56 : }
57 :
58 6 : outbuflen = datalen + 8;
59 6 : if (outbuflen > sizeof outbuf)
60 0 : err = gpg_error (GPG_ERR_INTERNAL);
61 : else
62 6 : err = gcry_cipher_encrypt (hd, outbuf, outbuflen, data, datalen);
63 6 : if (err)
64 : {
65 0 : fail ("gcry_cipher_encrypt failed: %s\n", gpg_strerror (err));
66 0 : return;
67 : }
68 :
69 6 : if (outbuflen != expectedlen || memcmp (outbuf, expected, expectedlen))
70 : {
71 : const unsigned char *s;
72 : int i;
73 :
74 0 : fail ("mismatch at encryption!\n");
75 0 : fprintf (stderr, "computed: ");
76 0 : for (i = 0; i < outbuflen; i++)
77 0 : fprintf (stderr, "%02x ", outbuf[i]);
78 0 : fprintf (stderr, "\nexpected: ");
79 0 : for (s = expected, i = 0; i < expectedlen; s++, i++)
80 0 : fprintf (stderr, "%02x ", *s);
81 0 : putc ('\n', stderr);
82 : }
83 :
84 :
85 6 : outbuflen = expectedlen - 8;
86 6 : if (outbuflen > sizeof outbuf)
87 0 : err = gpg_error (GPG_ERR_INTERNAL);
88 : else
89 6 : err = gcry_cipher_decrypt (hd, outbuf, outbuflen, expected, expectedlen);
90 6 : if (err)
91 : {
92 0 : fail ("gcry_cipher_decrypt failed: %s\n", gpg_strerror (err));
93 0 : return;
94 : }
95 :
96 6 : if (outbuflen != datalen || memcmp (outbuf, data, datalen))
97 : {
98 : const unsigned char *s;
99 : int i;
100 :
101 0 : fail ("mismatch at decryption!\n");
102 0 : fprintf (stderr, "computed: ");
103 0 : for (i = 0; i < outbuflen; i++)
104 0 : fprintf (stderr, "%02x ", outbuf[i]);
105 0 : fprintf (stderr, "\nexpected: ");
106 0 : for (s = data, i = 0; i < datalen; s++, i++)
107 0 : fprintf (stderr, "%02x ", *s);
108 0 : putc ('\n', stderr);
109 : }
110 :
111 : /* Now the last step again with a key reset. */
112 6 : gcry_cipher_reset (hd);
113 :
114 6 : outbuflen = expectedlen - 8;
115 6 : if (outbuflen > sizeof outbuf)
116 0 : err = gpg_error (GPG_ERR_INTERNAL);
117 : else
118 6 : err = gcry_cipher_decrypt (hd, outbuf, outbuflen, expected, expectedlen);
119 6 : if (err)
120 : {
121 0 : fail ("gcry_cipher_decrypt(2) failed: %s\n", gpg_strerror (err));
122 0 : return;
123 : }
124 :
125 6 : if (outbuflen != datalen || memcmp (outbuf, data, datalen))
126 0 : fail ("mismatch at decryption(2)!\n");
127 :
128 : /* And once ore without a key reset. */
129 6 : outbuflen = expectedlen - 8;
130 6 : if (outbuflen > sizeof outbuf)
131 0 : err = gpg_error (GPG_ERR_INTERNAL);
132 : else
133 6 : err = gcry_cipher_decrypt (hd, outbuf, outbuflen, expected, expectedlen);
134 6 : if (err)
135 : {
136 0 : fail ("gcry_cipher_decrypt(3) failed: %s\n", gpg_strerror (err));
137 0 : return;
138 : }
139 :
140 6 : if (outbuflen != datalen || memcmp (outbuf, data, datalen))
141 0 : fail ("mismatch at decryption(3)!\n");
142 :
143 6 : gcry_cipher_close (hd);
144 : }
145 :
146 :
147 : static void
148 1 : check_all (void)
149 : {
150 1 : if (verbose)
151 0 : fprintf (stderr, "4.1 Wrap 128 bits of Key Data with a 128-bit KEK\n");
152 1 : check
153 : (GCRY_CIPHER_AES128,
154 : "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F", 16,
155 : "\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xAA\xBB\xCC\xDD\xEE\xFF", 16,
156 : "\x1F\xA6\x8B\x0A\x81\x12\xB4\x47\xAE\xF3\x4B\xD8\xFB\x5A\x7B\x82"
157 : "\x9D\x3E\x86\x23\x71\xD2\xCF\xE5", 24);
158 :
159 1 : if (verbose)
160 0 : fprintf (stderr, "4.2 Wrap 128 bits of Key Data with a 192-bit KEK\n");
161 1 : check
162 : (GCRY_CIPHER_AES192,
163 : "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F"
164 : "\x10\x11\x12\x13\x14\x15\x16\x17", 24,
165 : "\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xAA\xBB\xCC\xDD\xEE\xFF", 16,
166 : "\x96\x77\x8B\x25\xAE\x6C\xA4\x35\xF9\x2B\x5B\x97\xC0\x50\xAE\xD2"
167 : "\x46\x8A\xB8\xA1\x7A\xD8\x4E\x5D", 24);
168 :
169 1 : if (verbose)
170 0 : fprintf (stderr, "4.3 Wrap 128 bits of Key Data with a 256-bit KEK\n");
171 1 : check
172 : (GCRY_CIPHER_AES256,
173 : "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F"
174 : "\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F", 32,
175 : "\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xAA\xBB\xCC\xDD\xEE\xFF", 16,
176 : "\x64\xE8\xC3\xF9\xCE\x0F\x5B\xA2\x63\xE9\x77\x79\x05\x81\x8A\x2A"
177 : "\x93\xC8\x19\x1E\x7D\x6E\x8A\xE7", 24);
178 :
179 1 : if (verbose)
180 0 : fprintf (stderr, "4.4 Wrap 192 bits of Key Data with a 192-bit KEK\n");
181 1 : check
182 : (GCRY_CIPHER_AES192,
183 : "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F"
184 : "\x10\x11\x12\x13\x14\x15\x16\x17", 24,
185 : "\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xAA\xBB\xCC\xDD\xEE\xFF"
186 : "\x00\x01\x02\x03\x04\x05\x06\x07", 24,
187 : "\x03\x1D\x33\x26\x4E\x15\xD3\x32\x68\xF2\x4E\xC2\x60\x74\x3E\xDC"
188 : "\xE1\xC6\xC7\xDD\xEE\x72\x5A\x93\x6B\xA8\x14\x91\x5C\x67\x62\xD2", 32);
189 :
190 1 : if (verbose)
191 0 : fprintf (stderr, "4.5 Wrap 192 bits of Key Data with a 256-bit KEK\n");
192 1 : check
193 : (GCRY_CIPHER_AES256,
194 : "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F"
195 : "\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F", 32,
196 : "\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xAA\xBB\xCC\xDD\xEE\xFF"
197 : "\x00\x01\x02\x03\x04\x05\x06\x07", 24,
198 : "\xA8\xF9\xBC\x16\x12\xC6\x8B\x3F\xF6\xE6\xF4\xFB\xE3\x0E\x71\xE4"
199 : "\x76\x9C\x8B\x80\xA3\x2C\xB8\x95\x8C\xD5\xD1\x7D\x6B\x25\x4D\xA1", 32);
200 :
201 1 : if (verbose)
202 0 : fprintf (stderr, "4.6 Wrap 256 bits of Key Data with a 256-bit KEK\n");
203 1 : check
204 : (GCRY_CIPHER_AES,
205 : "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F"
206 : "\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1A\x1B\x1C\x1D\x1E\x1F", 32,
207 : "\x00\x11\x22\x33\x44\x55\x66\x77\x88\x99\xAA\xBB\xCC\xDD\xEE\xFF"
208 : "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F", 32,
209 : "\x28\xC9\xF4\x04\xC4\xB8\x10\xF4\xCB\xCC\xB3\x5C\xFB\x87\xF8\x26"
210 : "\x3F\x57\x86\xE2\xD8\x0E\xD3\x26\xCB\xC7\xF0\xE7\x1A\x99\xF4\x3B"
211 : "\xFB\x98\x8B\x9B\x7A\x02\xDD\x21", 40);
212 1 : }
213 :
214 : int
215 1 : main (int argc, char **argv)
216 : {
217 1 : if (argc > 1 && !strcmp (argv[1], "--verbose"))
218 0 : verbose = 1;
219 1 : else if (argc > 1 && !strcmp (argv[1], "--debug"))
220 0 : verbose = debug = 1;
221 :
222 1 : if (!gcry_check_version (GCRYPT_VERSION))
223 0 : die ("version mismatch\n");
224 :
225 1 : xgcry_control (GCRYCTL_DISABLE_SECMEM, 0);
226 1 : xgcry_control (GCRYCTL_INITIALIZATION_FINISHED, 0);
227 1 : if (debug)
228 0 : xgcry_control (GCRYCTL_SET_DEBUG_FLAGS, 1u, 0);
229 1 : check_all ();
230 :
231 1 : return error_count ? 1 : 0;
232 : }
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