1 /* ====================================================================
2  * Copyright (c) 2008 The OpenSSL Project.  All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  *
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in
13  *    the documentation and/or other materials provided with the
14  *    distribution.
15  *
16  * 3. All advertising materials mentioning features or use of this
17  *    software must display the following acknowledgment:
18  *    "This product includes software developed by the OpenSSL Project
19  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
20  *
21  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
22  *    endorse or promote products derived from this software without
23  *    prior written permission. For written permission, please contact
24  *    openssl-core@openssl.org.
25  *
26  * 5. Products derived from this software may not be called "OpenSSL"
27  *    nor may "OpenSSL" appear in their names without prior written
28  *    permission of the OpenSSL Project.
29  *
30  * 6. Redistributions of any form whatsoever must retain the following
31  *    acknowledgment:
32  *    "This product includes software developed by the OpenSSL Project
33  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
34  *
35  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
36  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
37  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
38  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
39  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
41  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
42  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
43  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
44  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
45  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
46  * OF THE POSSIBILITY OF SUCH DAMAGE.
47  * ==================================================================== */
48 
49 #include <stdio.h>
50 #include <string.h>
51 
52 #include <openssl/aes.h>
53 #include <openssl/crypto.h>
54 #include <openssl/mem.h>
55 
56 #include "internal.h"
57 #include "../test/test_util.h"
58 
59 
60 struct test_case {
61   const char *key;
62   const char *plaintext;
63   const char *additional_data;
64   const char *nonce;
65   const char *ciphertext;
66   const char *tag;
67 };
68 
69 static const struct test_case test_cases[] = {
70   {
71     "00000000000000000000000000000000",
72     NULL,
73     NULL,
74     "000000000000000000000000",
75     NULL,
76     "58e2fccefa7e3061367f1d57a4e7455a",
77   },
78   {
79     "00000000000000000000000000000000",
80     "00000000000000000000000000000000",
81     NULL,
82     "000000000000000000000000",
83     "0388dace60b6a392f328c2b971b2fe78",
84     "ab6e47d42cec13bdf53a67b21257bddf",
85   },
86   {
87     "feffe9928665731c6d6a8f9467308308",
88     "d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b391aafd255",
89     NULL,
90     "cafebabefacedbaddecaf888",
91     "42831ec2217774244b7221b784d0d49ce3aa212f2c02a4e035c17e2329aca12e21d514b25466931c7d8f6a5aac84aa051ba30b396a0aac973d58e091473f5985",
92     "4d5c2af327cd64a62cf35abd2ba6fab4",
93   },
94   {
95     "feffe9928665731c6d6a8f9467308308",
96     "d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
97     "feedfacedeadbeeffeedfacedeadbeefabaddad2",
98     "cafebabefacedbaddecaf888",
99     "42831ec2217774244b7221b784d0d49ce3aa212f2c02a4e035c17e2329aca12e21d514b25466931c7d8f6a5aac84aa051ba30b396a0aac973d58e091",
100     "5bc94fbc3221a5db94fae95ae7121a47",
101   },
102   {
103     "feffe9928665731c6d6a8f9467308308",
104     "d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
105     "feedfacedeadbeeffeedfacedeadbeefabaddad2",
106     "cafebabefacedbad",
107     "61353b4c2806934a777ff51fa22a4755699b2a714fcdc6f83766e5f97b6c742373806900e49f24b22b097544d4896b424989b5e1ebac0f07c23f4598",
108     "3612d2e79e3b0785561be14aaca2fccb",
109   },
110   {
111     "feffe9928665731c6d6a8f9467308308",
112     "d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
113     "feedfacedeadbeeffeedfacedeadbeefabaddad2",
114     "9313225df88406e555909c5aff5269aa6a7a9538534f7da1e4c303d2a318a728c3c0c95156809539fcf0e2429a6b525416aedbf5a0de6a57a637b39b",
115     "8ce24998625615b603a033aca13fb894be9112a5c3a211a8ba262a3cca7e2ca701e4a9a4fba43c90ccdcb281d48c7c6fd62875d2aca417034c34aee5",
116     "619cc5aefffe0bfa462af43c1699d050",
117   },
118   {
119     "000000000000000000000000000000000000000000000000",
120     NULL,
121     NULL,
122     "000000000000000000000000",
123     NULL,
124     "cd33b28ac773f74ba00ed1f312572435",
125   },
126   {
127     "000000000000000000000000000000000000000000000000",
128     "00000000000000000000000000000000",
129     NULL,
130     "000000000000000000000000",
131     "98e7247c07f0fe411c267e4384b0f600",
132     "2ff58d80033927ab8ef4d4587514f0fb",
133   },
134   {
135     "feffe9928665731c6d6a8f9467308308feffe9928665731c",
136     "d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b391aafd255",
137     NULL,
138     "cafebabefacedbaddecaf888",
139     "3980ca0b3c00e841eb06fac4872a2757859e1ceaa6efd984628593b40ca1e19c7d773d00c144c525ac619d18c84a3f4718e2448b2fe324d9ccda2710acade256",
140     "9924a7c8587336bfb118024db8674a14",
141   },
142   {
143     "feffe9928665731c6d6a8f9467308308feffe9928665731c",
144     "d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
145     "feedfacedeadbeeffeedfacedeadbeefabaddad2",
146     "cafebabefacedbaddecaf888",
147     "3980ca0b3c00e841eb06fac4872a2757859e1ceaa6efd984628593b40ca1e19c7d773d00c144c525ac619d18c84a3f4718e2448b2fe324d9ccda2710",
148     "2519498e80f1478f37ba55bd6d27618c",
149   },
150   {
151     "feffe9928665731c6d6a8f9467308308feffe9928665731c",
152     "d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
153     "feedfacedeadbeeffeedfacedeadbeefabaddad2",
154     "cafebabefacedbad",
155     "0f10f599ae14a154ed24b36e25324db8c566632ef2bbb34f8347280fc4507057fddc29df9a471f75c66541d4d4dad1c9e93a19a58e8b473fa0f062f7",
156     "65dcc57fcf623a24094fcca40d3533f8",
157   },
158   {
159     "feffe9928665731c6d6a8f9467308308feffe9928665731c",
160     "d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
161     "feedfacedeadbeeffeedfacedeadbeefabaddad2",
162     "cafebabefacedbad",
163     "0f10f599ae14a154ed24b36e25324db8c566632ef2bbb34f8347280fc4507057fddc29df9a471f75c66541d4d4dad1c9e93a19a58e8b473fa0f062f7",
164     "65dcc57fcf623a24094fcca40d3533f8",
165   },
166   {
167     "feffe9928665731c6d6a8f9467308308feffe9928665731c",
168     "d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
169     "feedfacedeadbeeffeedfacedeadbeefabaddad2",
170     "9313225df88406e555909c5aff5269aa6a7a9538534f7da1e4c303d2a318a728c3c0c95156809539fcf0e2429a6b525416aedbf5a0de6a57a637b39b",
171     "d27e88681ce3243c4830165a8fdcf9ff1de9a1d8e6b447ef6ef7b79828666e4581e79012af34ddd9e2f037589b292db3e67c036745fa22e7e9b7373b",
172     "dcf566ff291c25bbb8568fc3d376a6d9",
173   },
174   {
175     "0000000000000000000000000000000000000000000000000000000000000000",
176     NULL,
177     NULL,
178     "000000000000000000000000",
179     NULL,
180     "530f8afbc74536b9a963b4f1c4cb738b",
181   },
182   {
183     "0000000000000000000000000000000000000000000000000000000000000000",
184     "00000000000000000000000000000000",
185     NULL,
186     "000000000000000000000000",
187     "cea7403d4d606b6e074ec5d3baf39d18",
188     "d0d1c8a799996bf0265b98b5d48ab919",
189   },
190   {
191     "feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308",
192     "d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b391aafd255",
193     NULL,
194     "cafebabefacedbaddecaf888",
195     "522dc1f099567d07f47f37a32a84427d643a8cdcbfe5c0c97598a2bd2555d1aa8cb08e48590dbb3da7b08b1056828838c5f61e6393ba7a0abcc9f662898015ad",
196     "b094dac5d93471bdec1a502270e3cc6c",
197   },
198   {
199     "feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308",
200     "d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
201     "feedfacedeadbeeffeedfacedeadbeefabaddad2",
202     "cafebabefacedbaddecaf888",
203     "522dc1f099567d07f47f37a32a84427d643a8cdcbfe5c0c97598a2bd2555d1aa8cb08e48590dbb3da7b08b1056828838c5f61e6393ba7a0abcc9f662",
204     "76fc6ece0f4e1768cddf8853bb2d551b",
205   },
206   {
207     "feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308",
208     "d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
209     "feedfacedeadbeeffeedfacedeadbeefabaddad2",
210     "cafebabefacedbad",
211     "c3762df1ca787d32ae47c13bf19844cbaf1ae14d0b976afac52ff7d79bba9de0feb582d33934a4f0954cc2363bc73f7862ac430e64abe499f47c9b1f",
212     "3a337dbf46a792c45e454913fe2ea8f2",
213   },
214   {
215     "feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308",
216     "d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b39",
217     "feedfacedeadbeeffeedfacedeadbeefabaddad2",
218     "9313225df88406e555909c5aff5269aa6a7a9538534f7da1e4c303d2a318a728c3c0c95156809539fcf0e2429a6b525416aedbf5a0de6a57a637b39b",
219     "5a8def2f0c9e53f1f75d7853659e2a20eeb2b22aafde6419a058ab4f6f746bf40fc0c3b780f244452da3ebf1c5d82cdea2418997200ef82e44ae7e3f",
220     "a44a8266ee1c8eb0c8b5d4cf5ae9f19a",
221   },
222   {
223     "00000000000000000000000000000000",
224     NULL,
225     "d9313225f88406e5a55909c5aff5269a86a7a9531534f7da2e4c303d8a318a721c3c0c95956809532fcf0e2449a6b525b16aedf5aa0de657ba637b391aafd255522dc1f099567d07f47f37a32a84427d643a8cdcbfe5c0c97598a2bd2555d1aa8cb08e48590dbb3da7b08b1056828838c5f61e6393ba7a0abcc9f662898015ad",
226     "000000000000000000000000",
227     NULL,
228     "5fea793a2d6f974d37e68e0cb8ff9492",
229   },
230   {
231     "00000000000000000000000000000000",
232     "000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
233     NULL,
234     /* This nonce results in 0xfff in counter LSB. */
235     "ffffffff000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
236     "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",
237     "8b307f6b33286d0ab026a9ed3fe1e85f",
238   },
239 };
240 
from_hex(uint8_t * out,char in)241 static int from_hex(uint8_t *out, char in) {
242   if (in >= '0' && in <= '9') {
243     *out = in - '0';
244     return 1;
245   }
246   if (in >= 'a' && in <= 'f') {
247     *out = in - 'a' + 10;
248     return 1;
249   }
250   if (in >= 'A' && in <= 'F') {
251     *out = in - 'A' + 10;
252     return 1;
253   }
254 
255   return 0;
256 }
257 
decode_hex(uint8_t ** out,size_t * out_len,const char * in,unsigned test_num,const char * description)258 static int decode_hex(uint8_t **out, size_t *out_len, const char *in,
259                       unsigned test_num, const char *description) {
260   uint8_t *buf = NULL;
261   size_t i;
262 
263   if (in == NULL) {
264     *out = NULL;
265     *out_len = 0;
266     return 1;
267   }
268 
269   size_t len = strlen(in);
270   if (len & 1) {
271     fprintf(stderr, "%u: Odd-length %s input.\n", test_num, description);
272     goto err;
273   }
274 
275   buf = OPENSSL_malloc(len / 2);
276   if (buf == NULL) {
277     fprintf(stderr, "%u: malloc failure.\n", test_num);
278     goto err;
279   }
280 
281   for (i = 0; i < len; i += 2) {
282     uint8_t v, v2;
283     if (!from_hex(&v, in[i]) ||
284         !from_hex(&v2, in[i+1])) {
285       fprintf(stderr, "%u: invalid hex digit in %s around offset %u.\n",
286               test_num, description, (unsigned)i);
287       goto err;
288     }
289     buf[i/2] = (v << 4) | v2;
290   }
291 
292   *out = buf;
293   *out_len = len/2;
294   return 1;
295 
296 err:
297   OPENSSL_free(buf);
298   return 0;
299 }
300 
run_test_case(unsigned test_num,const struct test_case * test)301 static int run_test_case(unsigned test_num, const struct test_case *test) {
302   size_t key_len, plaintext_len, additional_data_len, nonce_len, ciphertext_len,
303       tag_len;
304   uint8_t *key = NULL, *plaintext = NULL, *additional_data = NULL,
305           *nonce = NULL, *ciphertext = NULL, *tag = NULL, *out = NULL;
306   int ret = 0;
307   AES_KEY aes_key;
308   GCM128_CONTEXT ctx;
309 
310   if (!decode_hex(&key, &key_len, test->key, test_num, "key") ||
311       !decode_hex(&plaintext, &plaintext_len, test->plaintext, test_num,
312                   "plaintext") ||
313       !decode_hex(&additional_data, &additional_data_len, test->additional_data,
314                   test_num, "additional_data") ||
315       !decode_hex(&nonce, &nonce_len, test->nonce, test_num, "nonce") ||
316       !decode_hex(&ciphertext, &ciphertext_len, test->ciphertext, test_num,
317                   "ciphertext") ||
318       !decode_hex(&tag, &tag_len, test->tag, test_num, "tag")) {
319     goto out;
320   }
321 
322   if (plaintext_len != ciphertext_len) {
323     fprintf(stderr, "%u: plaintext and ciphertext have differing lengths.\n",
324             test_num);
325     goto out;
326   }
327 
328   if (key_len != 16 && key_len != 24 && key_len != 32) {
329     fprintf(stderr, "%u: bad key length.\n", test_num);
330     goto out;
331   }
332 
333   if (tag_len != 16) {
334     fprintf(stderr, "%u: bad tag length.\n", test_num);
335     goto out;
336   }
337 
338   out = OPENSSL_malloc(plaintext_len);
339   if (out == NULL) {
340     goto out;
341   }
342   if (AES_set_encrypt_key(key, key_len*8, &aes_key)) {
343     fprintf(stderr, "%u: AES_set_encrypt_key failed.\n", test_num);
344     goto out;
345   }
346 
347   CRYPTO_gcm128_init(&ctx, &aes_key, (block128_f) AES_encrypt);
348   CRYPTO_gcm128_setiv(&ctx, &aes_key, nonce, nonce_len);
349   memset(out, 0, plaintext_len);
350   if (additional_data) {
351     CRYPTO_gcm128_aad(&ctx, additional_data, additional_data_len);
352   }
353   if (plaintext) {
354     CRYPTO_gcm128_encrypt(&ctx, &aes_key, plaintext, out, plaintext_len);
355   }
356   if (!CRYPTO_gcm128_finish(&ctx, tag, tag_len) ||
357       (ciphertext && memcmp(out, ciphertext, plaintext_len) != 0)) {
358     fprintf(stderr, "%u: encrypt failed.\n", test_num);
359     hexdump(stderr, "got :", out, plaintext_len);
360     hexdump(stderr, "want:", ciphertext, plaintext_len);
361     goto out;
362   }
363 
364   CRYPTO_gcm128_setiv(&ctx, &aes_key, nonce, nonce_len);
365   memset(out, 0, plaintext_len);
366   if (additional_data) {
367     CRYPTO_gcm128_aad(&ctx, additional_data, additional_data_len);
368   }
369   if (ciphertext) {
370     CRYPTO_gcm128_decrypt(&ctx, &aes_key, ciphertext, out, plaintext_len);
371   }
372   if (!CRYPTO_gcm128_finish(&ctx, tag, tag_len)) {
373     fprintf(stderr, "%u: decrypt failed.\n", test_num);
374     goto out;
375   }
376   if (plaintext && memcmp(out, plaintext, plaintext_len)) {
377     fprintf(stderr, "%u: plaintext doesn't match.\n", test_num);
378     goto out;
379   }
380 
381   ret = 1;
382 
383 out:
384   OPENSSL_free(key);
385   OPENSSL_free(plaintext);
386   OPENSSL_free(additional_data);
387   OPENSSL_free(nonce);
388   OPENSSL_free(ciphertext);
389   OPENSSL_free(tag);
390   OPENSSL_free(out);
391   return ret;
392 }
393 
main(void)394 int main(void) {
395   int ret = 0;
396   unsigned i;
397 
398   CRYPTO_library_init();
399 
400   for (i = 0; i < sizeof(test_cases) / sizeof(struct test_case); i++) {
401     if (!run_test_case(i, &test_cases[i])) {
402       ret = 1;
403     }
404   }
405 
406   if (ret == 0) {
407     printf("PASS\n");
408   }
409 
410   return ret;
411 }
412