1 /*
2  * QEMU Crypto cipher algorithms
3  *
4  * Copyright (c) 2015 Red Hat, Inc.
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library 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 GNU
14  * 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 library; if not, see <http://www.gnu.org/licenses/>.
18  *
19  */
20 
21 #include "qemu/osdep.h"
22 
23 #include "crypto/init.h"
24 #include "crypto/cipher.h"
25 #include "qapi/error.h"
26 
27 typedef struct QCryptoCipherTestData QCryptoCipherTestData;
28 struct QCryptoCipherTestData {
29     const char *path;
30     QCryptoCipherAlgorithm alg;
31     QCryptoCipherMode mode;
32     const char *key;
33     const char *plaintext;
34     const char *ciphertext;
35     const char *iv;
36 };
37 
38 /* AES test data comes from appendix F of:
39  *
40  * http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf
41  */
42 static QCryptoCipherTestData test_data[] = {
43     {
44         /* NIST F.1.1 ECB-AES128.Encrypt */
45         .path = "/crypto/cipher/aes-ecb-128",
46         .alg = QCRYPTO_CIPHER_ALG_AES_128,
47         .mode = QCRYPTO_CIPHER_MODE_ECB,
48         .key = "2b7e151628aed2a6abf7158809cf4f3c",
49         .plaintext =
50             "6bc1bee22e409f96e93d7e117393172a"
51             "ae2d8a571e03ac9c9eb76fac45af8e51"
52             "30c81c46a35ce411e5fbc1191a0a52ef"
53             "f69f2445df4f9b17ad2b417be66c3710",
54         .ciphertext =
55             "3ad77bb40d7a3660a89ecaf32466ef97"
56             "f5d3d58503b9699de785895a96fdbaaf"
57             "43b1cd7f598ece23881b00e3ed030688"
58             "7b0c785e27e8ad3f8223207104725dd4"
59     },
60     {
61         /* NIST F.1.3 ECB-AES192.Encrypt */
62         .path = "/crypto/cipher/aes-ecb-192",
63         .alg = QCRYPTO_CIPHER_ALG_AES_192,
64         .mode = QCRYPTO_CIPHER_MODE_ECB,
65         .key = "8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b",
66         .plaintext  =
67             "6bc1bee22e409f96e93d7e117393172a"
68             "ae2d8a571e03ac9c9eb76fac45af8e51"
69             "30c81c46a35ce411e5fbc1191a0a52ef"
70             "f69f2445df4f9b17ad2b417be66c3710",
71         .ciphertext =
72             "bd334f1d6e45f25ff712a214571fa5cc"
73             "974104846d0ad3ad7734ecb3ecee4eef"
74             "ef7afd2270e2e60adce0ba2face6444e"
75             "9a4b41ba738d6c72fb16691603c18e0e"
76     },
77     {
78         /* NIST F.1.5 ECB-AES256.Encrypt */
79         .path = "/crypto/cipher/aes-ecb-256",
80         .alg = QCRYPTO_CIPHER_ALG_AES_256,
81         .mode = QCRYPTO_CIPHER_MODE_ECB,
82         .key =
83             "603deb1015ca71be2b73aef0857d7781"
84             "1f352c073b6108d72d9810a30914dff4",
85         .plaintext  =
86             "6bc1bee22e409f96e93d7e117393172a"
87             "ae2d8a571e03ac9c9eb76fac45af8e51"
88             "30c81c46a35ce411e5fbc1191a0a52ef"
89             "f69f2445df4f9b17ad2b417be66c3710",
90         .ciphertext =
91             "f3eed1bdb5d2a03c064b5a7e3db181f8"
92             "591ccb10d410ed26dc5ba74a31362870"
93             "b6ed21b99ca6f4f9f153e7b1beafed1d"
94             "23304b7a39f9f3ff067d8d8f9e24ecc7",
95     },
96     {
97         /* NIST F.2.1 CBC-AES128.Encrypt */
98         .path = "/crypto/cipher/aes-cbc-128",
99         .alg = QCRYPTO_CIPHER_ALG_AES_128,
100         .mode = QCRYPTO_CIPHER_MODE_CBC,
101         .key = "2b7e151628aed2a6abf7158809cf4f3c",
102         .iv = "000102030405060708090a0b0c0d0e0f",
103         .plaintext  =
104             "6bc1bee22e409f96e93d7e117393172a"
105             "ae2d8a571e03ac9c9eb76fac45af8e51"
106             "30c81c46a35ce411e5fbc1191a0a52ef"
107             "f69f2445df4f9b17ad2b417be66c3710",
108         .ciphertext =
109             "7649abac8119b246cee98e9b12e9197d"
110             "5086cb9b507219ee95db113a917678b2"
111             "73bed6b8e3c1743b7116e69e22229516"
112             "3ff1caa1681fac09120eca307586e1a7",
113     },
114     {
115         /* NIST F.2.3 CBC-AES128.Encrypt */
116         .path = "/crypto/cipher/aes-cbc-192",
117         .alg = QCRYPTO_CIPHER_ALG_AES_192,
118         .mode = QCRYPTO_CIPHER_MODE_CBC,
119         .key = "8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b",
120         .iv = "000102030405060708090a0b0c0d0e0f",
121         .plaintext  =
122             "6bc1bee22e409f96e93d7e117393172a"
123             "ae2d8a571e03ac9c9eb76fac45af8e51"
124             "30c81c46a35ce411e5fbc1191a0a52ef"
125             "f69f2445df4f9b17ad2b417be66c3710",
126         .ciphertext =
127             "4f021db243bc633d7178183a9fa071e8"
128             "b4d9ada9ad7dedf4e5e738763f69145a"
129             "571b242012fb7ae07fa9baac3df102e0"
130             "08b0e27988598881d920a9e64f5615cd",
131     },
132     {
133         /* NIST F.2.5 CBC-AES128.Encrypt */
134         .path = "/crypto/cipher/aes-cbc-256",
135         .alg = QCRYPTO_CIPHER_ALG_AES_256,
136         .mode = QCRYPTO_CIPHER_MODE_CBC,
137         .key =
138             "603deb1015ca71be2b73aef0857d7781"
139             "1f352c073b6108d72d9810a30914dff4",
140         .iv = "000102030405060708090a0b0c0d0e0f",
141         .plaintext  =
142             "6bc1bee22e409f96e93d7e117393172a"
143             "ae2d8a571e03ac9c9eb76fac45af8e51"
144             "30c81c46a35ce411e5fbc1191a0a52ef"
145             "f69f2445df4f9b17ad2b417be66c3710",
146         .ciphertext =
147             "f58c4c04d6e5f1ba779eabfb5f7bfbd6"
148             "9cfc4e967edb808d679f777bc6702c7d"
149             "39f23369a9d9bacfa530e26304231461"
150             "b2eb05e2c39be9fcda6c19078c6a9d1b",
151     },
152     {
153         .path = "/crypto/cipher/des-rfb-ecb-56",
154         .alg = QCRYPTO_CIPHER_ALG_DES_RFB,
155         .mode = QCRYPTO_CIPHER_MODE_ECB,
156         .key = "0123456789abcdef",
157         .plaintext =
158             "6bc1bee22e409f96e93d7e117393172a"
159             "ae2d8a571e03ac9c9eb76fac45af8e51"
160             "30c81c46a35ce411e5fbc1191a0a52ef"
161             "f69f2445df4f9b17ad2b417be66c3710",
162         .ciphertext =
163             "8f346aaf64eaf24040720d80648c52e7"
164             "aefc616be53ab1a3d301e69d91e01838"
165             "ffd29f1bb5596ad94ea2d8e6196b7f09"
166             "30d8ed0bf2773af36dd82a6280c20926",
167     },
168 #if defined(CONFIG_NETTLE) || defined(CONFIG_GCRYPT)
169     {
170         /* Borrowed from linux-kernel crypto/testmgr.h */
171         .path = "/crypto/cipher/3des-cbc",
172         .alg = QCRYPTO_CIPHER_ALG_3DES,
173         .mode = QCRYPTO_CIPHER_MODE_CBC,
174         .key =
175             "e9c0ff2e760b6424444d995a12d640c0"
176             "eac284e81495dbe8",
177         .iv =
178             "7d3388930f93b242",
179         .plaintext =
180             "6f54206f614d796e5320636565727374"
181             "54206f6f4d206e612079655372637465"
182             "20736f54206f614d796e532063656572"
183             "737454206f6f4d206e61207965537263"
184             "746520736f54206f614d796e53206365"
185             "6572737454206f6f4d206e6120796553"
186             "7263746520736f54206f614d796e5320"
187             "63656572737454206f6f4d206e610a79",
188         .ciphertext =
189             "0e2db6973c5633f4671721c76e8ad549"
190             "74b34905c51cd0ed12565c5396b6007d"
191             "9048fcf58d2939cc8ad5351836234ed7"
192             "76d1da0c9467bb048bf2036ca8cfb6ea"
193             "226447aa8f7513bf9fc2c3f0c956c57a"
194             "71632e897b1e12cae25fafd8a4f8c97a"
195             "d6f92131624445a6d6bc5ad32d5443cc"
196             "9ddea570e942458a6bfab19113b0d919",
197     },
198     {
199         /* Borrowed from linux-kernel crypto/testmgr.h */
200         .path = "/crypto/cipher/3des-ecb",
201         .alg = QCRYPTO_CIPHER_ALG_3DES,
202         .mode = QCRYPTO_CIPHER_MODE_ECB,
203         .key =
204             "0123456789abcdef5555555555555555"
205             "fedcba9876543210",
206         .plaintext =
207             "736f6d6564617461",
208         .ciphertext =
209             "18d748e563620572",
210     },
211     {
212         /* Borrowed from linux-kernel crypto/testmgr.h */
213         .path = "/crypto/cipher/3des-ctr",
214         .alg = QCRYPTO_CIPHER_ALG_3DES,
215         .mode = QCRYPTO_CIPHER_MODE_CTR,
216         .key =
217             "9cd6f39cb95a67005a67002dceeb2dce"
218             "ebb45172b451721f",
219         .iv =
220             "ffffffffffffffff",
221         .plaintext =
222             "05ec77fb42d559208b128669f05bcf56"
223             "39ad349f66ea7dc448d3ba0db118e34a"
224             "fe41285c278e11856cf75ec2553ca00b"
225             "9265e970db4fd6b900b41fe649fd442f"
226             "533a8d149863ca5dc1a833a70e9178ec"
227             "77de42d5bc078b12e54cf05b22563980"
228             "6b9f66c950c4af36ba0d947fe34add41"
229             "28b31a8e11f843f75e21553c876e9265"
230             "cc57dba235b900eb72e649d0442fb619"
231             "8d14ff46ca5d24a8339a6d9178c377de"
232             "a108bc07ee71e54cd75b22b51c806bf2"
233             "45c9503baf369960947fc64adda40fb3"
234             "1aed74f8432a5e218813876ef158cc57"
235             "3ea2359c67eb72c549d0bb02b619e04b"
236             "ff46295d248f169a6df45fc3aa3da108"
237             "937aee71d84cd7be01b51ce74ef2452c"
238             "503b82159960cb52c6a930a40f9679ed"
239             "74df432abd048813fa4df15823573e81"
240             "689c67ce51c5ac37bb02957ce04bd246"
241             "29b01b8f16f940f45f26aa3d846f937a"
242             "cd54d8a30abe01e873e74ed1452cb71e"
243             "8215fc47cb5225a9309b629679c074df"
244             "a609bd04ef76fa4dd458238a1d8168f3"
245             "5ace5138ac379e61957cc74bd2a50cb0"
246             "1be275f9402b5f268910846ff659cd54"
247             "3fa30a9d64e873da4ed1b803b71ee148"
248             "fc472e52258c179b62f55cc0ab32a609"
249             "907bef76d94dd4bf068a1de44ff35a2d"
250             "5138836a9e61c853c7ae31a50c977ee2"
251             "75dc402bb2058910fb42f65920543f86"
252             "699d64cf56daad34b803ea7de148d347",
253         .ciphertext =
254             "07c20820721f49ef19cd6f3253052215"
255             "a2852bdb85d2d8b9dd0d1b45cb6911d4"
256             "eabeb2455d0caebea0c127ac659f537e"
257             "afc21bb5b86d360c25c0f86d0b2901da"
258             "1378dc89121243faf612ef8d87627883"
259             "e2be41204c6d351bd10c30cfe2de2b03"
260             "bf4573d4e55995d1b39b276297bdde7f"
261             "a4d23980aa5023f074883da86a18793b"
262             "c4966c8d2240926ed6ad2a1fde63c0e7"
263             "07f72df7b5f3f0cc017c2a9bc210caaa"
264             "fd2b3fc5f3f6fc9b45db53e45bf3c97b"
265             "8e52ffc802b8ac9da10039da3d2d0e01"
266             "097d8d5ebe53b9b08ee7e2966ab278ea"
267             "de238ba5fa5ce3dabf8e316a55d16ab2"
268             "b5466fa5f0eeba1f9f98b0664fd03fa9"
269             "df5f58c4f4ff755c403a097e6e1c97d4"
270             "cce7e771cf0b150871fa0797cde6ca1d"
271             "14280ccf99137af1ebfafa9207de1da1"
272             "d33669fe514d9f2e83374f1f4830ed04"
273             "4da4ef3aca76f41c418f6337782f86a6"
274             "ef417ed2af88ab675271c38ef8269372"
275             "aad60ee70b46b13ab408a9a8a0cf200c"
276             "52bc8b0556b2bc319b74b92929969a50"
277             "dc45dc1aeb0c64d4d3057e5955c3f490"
278             "c2abf89b8adacea1c3f4ad77dd44c8ac"
279             "a3f1c9d2195cb0caa234c1f76cfdac65"
280             "32dc48c4f2006b77f17d76acc031632a"
281             "a53a62c891b10365cb43d106dfc367bc"
282             "dce0cd35ce4965a0527ba70d07a91bb0"
283             "407772c2ea0e3a7846b991b6e73d5142"
284             "fd51b0c62c6313785ceefccfc4700034",
285     },
286 #endif
287     {
288         /* RFC 2144, Appendix B.1 */
289         .path = "/crypto/cipher/cast5-128",
290         .alg = QCRYPTO_CIPHER_ALG_CAST5_128,
291         .mode = QCRYPTO_CIPHER_MODE_ECB,
292         .key = "0123456712345678234567893456789A",
293         .plaintext = "0123456789abcdef",
294         .ciphertext = "238b4fe5847e44b2",
295     },
296     {
297         /* libgcrypt serpent.c */
298         .path = "/crypto/cipher/serpent-128",
299         .alg = QCRYPTO_CIPHER_ALG_SERPENT_128,
300         .mode = QCRYPTO_CIPHER_MODE_ECB,
301         .key = "00000000000000000000000000000000",
302         .plaintext = "d29d576fcea3a3a7ed9099f29273d78e",
303         .ciphertext = "b2288b968ae8b08648d1ce9606fd992d",
304     },
305     {
306         /* libgcrypt serpent.c */
307         .path = "/crypto/cipher/serpent-192",
308         .alg = QCRYPTO_CIPHER_ALG_SERPENT_192,
309         .mode = QCRYPTO_CIPHER_MODE_ECB,
310         .key = "00000000000000000000000000000000"
311                "0000000000000000",
312         .plaintext = "d29d576fceaba3a7ed9899f2927bd78e",
313         .ciphertext = "130e353e1037c22405e8faefb2c3c3e9",
314     },
315     {
316         /* libgcrypt serpent.c */
317         .path = "/crypto/cipher/serpent-256a",
318         .alg = QCRYPTO_CIPHER_ALG_SERPENT_256,
319         .mode = QCRYPTO_CIPHER_MODE_ECB,
320         .key = "00000000000000000000000000000000"
321                "00000000000000000000000000000000",
322         .plaintext = "d095576fcea3e3a7ed98d9f29073d78e",
323         .ciphertext = "b90ee5862de69168f2bdd5125b45472b",
324     },
325     {
326         /* libgcrypt serpent.c */
327         .path = "/crypto/cipher/serpent-256b",
328         .alg = QCRYPTO_CIPHER_ALG_SERPENT_256,
329         .mode = QCRYPTO_CIPHER_MODE_ECB,
330         .key = "00000000000000000000000000000000"
331                "00000000000000000000000000000000",
332         .plaintext = "00000000010000000200000003000000",
333         .ciphertext = "2061a42782bd52ec691ec383b03ba77c",
334     },
335     {
336         /* Twofish paper "Known Answer Test" */
337         .path = "/crypto/cipher/twofish-128",
338         .alg = QCRYPTO_CIPHER_ALG_TWOFISH_128,
339         .mode = QCRYPTO_CIPHER_MODE_ECB,
340         .key = "d491db16e7b1c39e86cb086b789f5419",
341         .plaintext = "019f9809de1711858faac3a3ba20fbc3",
342         .ciphertext = "6363977de839486297e661c6c9d668eb",
343     },
344     {
345         /* Twofish paper "Known Answer Test", I=3 */
346         .path = "/crypto/cipher/twofish-192",
347         .alg = QCRYPTO_CIPHER_ALG_TWOFISH_192,
348         .mode = QCRYPTO_CIPHER_MODE_ECB,
349         .key = "88b2b2706b105e36b446bb6d731a1e88"
350                "efa71f788965bd44",
351         .plaintext = "39da69d6ba4997d585b6dc073ca341b2",
352         .ciphertext = "182b02d81497ea45f9daacdc29193a65",
353     },
354     {
355         /* Twofish paper "Known Answer Test", I=4 */
356         .path = "/crypto/cipher/twofish-256",
357         .alg = QCRYPTO_CIPHER_ALG_TWOFISH_256,
358         .mode = QCRYPTO_CIPHER_MODE_ECB,
359         .key = "d43bb7556ea32e46f2a282b7d45b4e0d"
360                "57ff739d4dc92c1bd7fc01700cc8216f",
361         .plaintext = "90afe91bb288544f2c32dc239b2635e6",
362         .ciphertext = "6cb4561c40bf0a9705931cb6d408e7fa",
363     },
364     {
365         /* #1 32 byte key, 32 byte PTX */
366         .path = "/crypto/cipher/aes-xts-128-1",
367         .alg = QCRYPTO_CIPHER_ALG_AES_128,
368         .mode = QCRYPTO_CIPHER_MODE_XTS,
369         .key =
370             "00000000000000000000000000000000"
371             "00000000000000000000000000000000",
372         .iv =
373             "00000000000000000000000000000000",
374         .plaintext =
375             "00000000000000000000000000000000"
376             "00000000000000000000000000000000",
377         .ciphertext =
378             "917cf69ebd68b2ec9b9fe9a3eadda692"
379             "cd43d2f59598ed858c02c2652fbf922e",
380     },
381     {
382         /* #2, 32 byte key, 32 byte PTX */
383         .path = "/crypto/cipher/aes-xts-128-2",
384         .alg = QCRYPTO_CIPHER_ALG_AES_128,
385         .mode = QCRYPTO_CIPHER_MODE_XTS,
386         .key =
387             "11111111111111111111111111111111"
388             "22222222222222222222222222222222",
389         .iv =
390             "33333333330000000000000000000000",
391         .plaintext =
392             "44444444444444444444444444444444"
393             "44444444444444444444444444444444",
394         .ciphertext =
395             "c454185e6a16936e39334038acef838b"
396             "fb186fff7480adc4289382ecd6d394f0",
397     },
398     {
399         /* #5 from xts.7, 32 byte key, 32 byte PTX */
400         .path = "/crypto/cipher/aes-xts-128-3",
401         .alg = QCRYPTO_CIPHER_ALG_AES_128,
402         .mode = QCRYPTO_CIPHER_MODE_XTS,
403         .key =
404             "fffefdfcfbfaf9f8f7f6f5f4f3f2f1f0"
405             "bfbebdbcbbbab9b8b7b6b5b4b3b2b1b0",
406         .iv =
407             "9a785634120000000000000000000000",
408         .plaintext =
409             "44444444444444444444444444444444"
410             "44444444444444444444444444444444",
411         .ciphertext =
412             "b01f86f8edc1863706fa8a4253e34f28"
413             "af319de38334870f4dd1f94cbe9832f1",
414     },
415     {
416         /* #4, 32 byte key, 512 byte PTX  */
417         .path = "/crypto/cipher/aes-xts-128-4",
418         .alg = QCRYPTO_CIPHER_ALG_AES_128,
419         .mode = QCRYPTO_CIPHER_MODE_XTS,
420         .key =
421             "27182818284590452353602874713526"
422             "31415926535897932384626433832795",
423         .iv =
424             "00000000000000000000000000000000",
425         .plaintext =
426             "000102030405060708090a0b0c0d0e0f"
427             "101112131415161718191a1b1c1d1e1f"
428             "202122232425262728292a2b2c2d2e2f"
429             "303132333435363738393a3b3c3d3e3f"
430             "404142434445464748494a4b4c4d4e4f"
431             "505152535455565758595a5b5c5d5e5f"
432             "606162636465666768696a6b6c6d6e6f"
433             "707172737475767778797a7b7c7d7e7f"
434             "808182838485868788898a8b8c8d8e8f"
435             "909192939495969798999a9b9c9d9e9f"
436             "a0a1a2a3a4a5a6a7a8a9aaabacadaeaf"
437             "b0b1b2b3b4b5b6b7b8b9babbbcbdbebf"
438             "c0c1c2c3c4c5c6c7c8c9cacbcccdcecf"
439             "d0d1d2d3d4d5d6d7d8d9dadbdcdddedf"
440             "e0e1e2e3e4e5e6e7e8e9eaebecedeeef"
441             "f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff"
442             "000102030405060708090a0b0c0d0e0f"
443             "101112131415161718191a1b1c1d1e1f"
444             "202122232425262728292a2b2c2d2e2f"
445             "303132333435363738393a3b3c3d3e3f"
446             "404142434445464748494a4b4c4d4e4f"
447             "505152535455565758595a5b5c5d5e5f"
448             "606162636465666768696a6b6c6d6e6f"
449             "707172737475767778797a7b7c7d7e7f"
450             "808182838485868788898a8b8c8d8e8f"
451             "909192939495969798999a9b9c9d9e9f"
452             "a0a1a2a3a4a5a6a7a8a9aaabacadaeaf"
453             "b0b1b2b3b4b5b6b7b8b9babbbcbdbebf"
454             "c0c1c2c3c4c5c6c7c8c9cacbcccdcecf"
455             "d0d1d2d3d4d5d6d7d8d9dadbdcdddedf"
456             "e0e1e2e3e4e5e6e7e8e9eaebecedeeef"
457             "f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff",
458         .ciphertext =
459             "27a7479befa1d476489f308cd4cfa6e2"
460             "a96e4bbe3208ff25287dd3819616e89c"
461             "c78cf7f5e543445f8333d8fa7f560000"
462             "05279fa5d8b5e4ad40e736ddb4d35412"
463             "328063fd2aab53e5ea1e0a9f332500a5"
464             "df9487d07a5c92cc512c8866c7e860ce"
465             "93fdf166a24912b422976146ae20ce84"
466             "6bb7dc9ba94a767aaef20c0d61ad0265"
467             "5ea92dc4c4e41a8952c651d33174be51"
468             "a10c421110e6d81588ede82103a252d8"
469             "a750e8768defffed9122810aaeb99f91"
470             "72af82b604dc4b8e51bcb08235a6f434"
471             "1332e4ca60482a4ba1a03b3e65008fc5"
472             "da76b70bf1690db4eae29c5f1badd03c"
473             "5ccf2a55d705ddcd86d449511ceb7ec3"
474             "0bf12b1fa35b913f9f747a8afd1b130e"
475             "94bff94effd01a91735ca1726acd0b19"
476             "7c4e5b03393697e126826fb6bbde8ecc"
477             "1e08298516e2c9ed03ff3c1b7860f6de"
478             "76d4cecd94c8119855ef5297ca67e9f3"
479             "e7ff72b1e99785ca0a7e7720c5b36dc6"
480             "d72cac9574c8cbbc2f801e23e56fd344"
481             "b07f22154beba0f08ce8891e643ed995"
482             "c94d9a69c9f1b5f499027a78572aeebd"
483             "74d20cc39881c213ee770b1010e4bea7"
484             "18846977ae119f7a023ab58cca0ad752"
485             "afe656bb3c17256a9f6e9bf19fdd5a38"
486             "fc82bbe872c5539edb609ef4f79c203e"
487             "bb140f2e583cb2ad15b4aa5b655016a8"
488             "449277dbd477ef2c8d6c017db738b18d"
489             "eb4a427d1923ce3ff262735779a418f2"
490             "0a282df920147beabe421ee5319d0568",
491     },
492     {
493         /* Bad config - cast5-128 has 8 byte block size
494          * which is incompatible with XTS
495          */
496         .path = "/crypto/cipher/cast5-xts-128",
497         .alg = QCRYPTO_CIPHER_ALG_CAST5_128,
498         .mode = QCRYPTO_CIPHER_MODE_XTS,
499         .key =
500             "27182818284590452353602874713526"
501             "31415926535897932384626433832795",
502     },
503     {
504         /* NIST F.5.1 CTR-AES128.Encrypt */
505         .path = "/crypto/cipher/aes-ctr-128",
506         .alg = QCRYPTO_CIPHER_ALG_AES_128,
507         .mode = QCRYPTO_CIPHER_MODE_CTR,
508         .key = "2b7e151628aed2a6abf7158809cf4f3c",
509         .iv = "f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff",
510         .plaintext  =
511             "6bc1bee22e409f96e93d7e117393172a"
512             "ae2d8a571e03ac9c9eb76fac45af8e51"
513             "30c81c46a35ce411e5fbc1191a0a52ef"
514             "f69f2445df4f9b17ad2b417be66c3710",
515         .ciphertext =
516             "874d6191b620e3261bef6864990db6ce"
517             "9806f66b7970fdff8617187bb9fffdff"
518             "5ae4df3edbd5d35e5b4f09020db03eab"
519             "1e031dda2fbe03d1792170a0f3009cee",
520     },
521     {
522         /* NIST F.5.3 CTR-AES192.Encrypt */
523         .path = "/crypto/cipher/aes-ctr-192",
524         .alg = QCRYPTO_CIPHER_ALG_AES_192,
525         .mode = QCRYPTO_CIPHER_MODE_CTR,
526         .key = "8e73b0f7da0e6452c810f32b809079e562f8ead2522c6b7b",
527         .iv = "f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff",
528         .plaintext  =
529             "6bc1bee22e409f96e93d7e117393172a"
530             "ae2d8a571e03ac9c9eb76fac45af8e51"
531             "30c81c46a35ce411e5fbc1191a0a52ef"
532             "f69f2445df4f9b17ad2b417be66c3710",
533         .ciphertext =
534             "1abc932417521ca24f2b0459fe7e6e0b"
535             "090339ec0aa6faefd5ccc2c6f4ce8e94"
536             "1e36b26bd1ebc670d1bd1d665620abf7"
537             "4f78a7f6d29809585a97daec58c6b050",
538     },
539     {
540         /* NIST F.5.5 CTR-AES256.Encrypt */
541         .path = "/crypto/cipher/aes-ctr-256",
542         .alg = QCRYPTO_CIPHER_ALG_AES_256,
543         .mode = QCRYPTO_CIPHER_MODE_CTR,
544         .key = "603deb1015ca71be2b73aef0857d7781"
545                "1f352c073b6108d72d9810a30914dff4",
546         .iv = "f0f1f2f3f4f5f6f7f8f9fafbfcfdfeff",
547         .plaintext  =
548             "6bc1bee22e409f96e93d7e117393172a"
549             "ae2d8a571e03ac9c9eb76fac45af8e51"
550             "30c81c46a35ce411e5fbc1191a0a52ef"
551             "f69f2445df4f9b17ad2b417be66c3710",
552         .ciphertext =
553             "601ec313775789a5b7a7f504bbf3d228"
554             "f443e3ca4d62b59aca84e990cacaf5c5"
555             "2b0930daa23de94ce87017ba2d84988d"
556             "dfc9c58db67aada613c2dd08457941a6",
557     }
558 };
559 
560 
561 static inline int unhex(char c)
562 {
563     if (c >= 'a' && c <= 'f') {
564         return 10 + (c - 'a');
565     }
566     if (c >= 'A' && c <= 'F') {
567         return 10 + (c - 'A');
568     }
569     return c - '0';
570 }
571 
572 static inline char hex(int i)
573 {
574     if (i < 10) {
575         return '0' + i;
576     }
577     return 'a' + (i - 10);
578 }
579 
580 static size_t unhex_string(const char *hexstr,
581                            uint8_t **data)
582 {
583     size_t len;
584     size_t i;
585 
586     if (!hexstr) {
587         *data = NULL;
588         return 0;
589     }
590 
591     len = strlen(hexstr);
592     *data = g_new0(uint8_t, len / 2);
593 
594     for (i = 0; i < len; i += 2) {
595         (*data)[i/2] = (unhex(hexstr[i]) << 4) | unhex(hexstr[i+1]);
596     }
597     return len / 2;
598 }
599 
600 static char *hex_string(const uint8_t *bytes,
601                         size_t len)
602 {
603     char *hexstr = g_new0(char, len * 2 + 1);
604     size_t i;
605 
606     for (i = 0; i < len; i++) {
607         hexstr[i*2] = hex((bytes[i] >> 4) & 0xf);
608         hexstr[i*2+1] = hex(bytes[i] & 0xf);
609     }
610     hexstr[len*2] = '\0';
611 
612     return hexstr;
613 }
614 
615 static void test_cipher(const void *opaque)
616 {
617     const QCryptoCipherTestData *data = opaque;
618 
619     QCryptoCipher *cipher;
620     uint8_t *key, *iv = NULL, *ciphertext = NULL,
621         *plaintext = NULL, *outtext = NULL;
622     size_t nkey, niv = 0, nciphertext = 0, nplaintext = 0;
623     char *outtexthex = NULL;
624     size_t ivsize, keysize, blocksize;
625     Error *err = NULL;
626 
627     nkey = unhex_string(data->key, &key);
628     if (data->iv) {
629         niv = unhex_string(data->iv, &iv);
630     }
631     if (data->ciphertext) {
632         nciphertext = unhex_string(data->ciphertext, &ciphertext);
633     }
634     if (data->plaintext) {
635         nplaintext = unhex_string(data->plaintext, &plaintext);
636     }
637 
638     g_assert(nciphertext == nplaintext);
639 
640     outtext = g_new0(uint8_t, nciphertext);
641 
642     cipher = qcrypto_cipher_new(
643         data->alg, data->mode,
644         key, nkey,
645         &err);
646     if (data->plaintext) {
647         g_assert(err == NULL);
648         g_assert(cipher != NULL);
649     } else {
650         error_free_or_abort(&err);
651         g_assert(cipher == NULL);
652         goto cleanup;
653     }
654 
655     keysize = qcrypto_cipher_get_key_len(data->alg);
656     blocksize = qcrypto_cipher_get_block_len(data->alg);
657     ivsize = qcrypto_cipher_get_iv_len(data->alg, data->mode);
658 
659     if (data->mode == QCRYPTO_CIPHER_MODE_XTS) {
660         g_assert_cmpint(keysize * 2, ==, nkey);
661     } else {
662         g_assert_cmpint(keysize, ==, nkey);
663     }
664     g_assert_cmpint(ivsize, ==, niv);
665     if (niv) {
666         g_assert_cmpint(blocksize, ==, niv);
667     }
668 
669     if (iv) {
670         g_assert(qcrypto_cipher_setiv(cipher,
671                                       iv, niv,
672                                       &error_abort) == 0);
673     }
674     g_assert(qcrypto_cipher_encrypt(cipher,
675                                     plaintext,
676                                     outtext,
677                                     nplaintext,
678                                     &error_abort) == 0);
679 
680     outtexthex = hex_string(outtext, nciphertext);
681 
682     g_assert_cmpstr(outtexthex, ==, data->ciphertext);
683 
684     g_free(outtexthex);
685 
686     if (iv) {
687         g_assert(qcrypto_cipher_setiv(cipher,
688                                       iv, niv,
689                                       &error_abort) == 0);
690     }
691     g_assert(qcrypto_cipher_decrypt(cipher,
692                                     ciphertext,
693                                     outtext,
694                                     nplaintext,
695                                     &error_abort) == 0);
696 
697     outtexthex = hex_string(outtext, nplaintext);
698 
699     g_assert_cmpstr(outtexthex, ==, data->plaintext);
700 
701  cleanup:
702     g_free(outtext);
703     g_free(outtexthex);
704     g_free(key);
705     g_free(iv);
706     g_free(ciphertext);
707     g_free(plaintext);
708     qcrypto_cipher_free(cipher);
709 }
710 
711 
712 static void test_cipher_null_iv(void)
713 {
714     QCryptoCipher *cipher;
715     uint8_t key[32] = { 0 };
716     uint8_t plaintext[32] = { 0 };
717     uint8_t ciphertext[32] = { 0 };
718 
719     cipher = qcrypto_cipher_new(
720         QCRYPTO_CIPHER_ALG_AES_256,
721         QCRYPTO_CIPHER_MODE_CBC,
722         key, sizeof(key),
723         &error_abort);
724     g_assert(cipher != NULL);
725 
726     /* Don't call qcrypto_cipher_setiv */
727 
728     qcrypto_cipher_encrypt(cipher,
729                            plaintext,
730                            ciphertext,
731                            sizeof(plaintext),
732                            &error_abort);
733 
734     qcrypto_cipher_free(cipher);
735 }
736 
737 static void test_cipher_short_plaintext(void)
738 {
739     Error *err = NULL;
740     QCryptoCipher *cipher;
741     uint8_t key[32] = { 0 };
742     uint8_t plaintext1[20] = { 0 };
743     uint8_t ciphertext1[20] = { 0 };
744     uint8_t plaintext2[40] = { 0 };
745     uint8_t ciphertext2[40] = { 0 };
746     int ret;
747 
748     cipher = qcrypto_cipher_new(
749         QCRYPTO_CIPHER_ALG_AES_256,
750         QCRYPTO_CIPHER_MODE_CBC,
751         key, sizeof(key),
752         &error_abort);
753     g_assert(cipher != NULL);
754 
755     /* Should report an error as plaintext is shorter
756      * than block size
757      */
758     ret = qcrypto_cipher_encrypt(cipher,
759                                  plaintext1,
760                                  ciphertext1,
761                                  sizeof(plaintext1),
762                                  &err);
763     g_assert(ret == -1);
764     error_free_or_abort(&err);
765 
766     /* Should report an error as plaintext is larger than
767      * block size, but not a multiple of block size
768      */
769     ret = qcrypto_cipher_encrypt(cipher,
770                                  plaintext2,
771                                  ciphertext2,
772                                  sizeof(plaintext2),
773                                  &err);
774     g_assert(ret == -1);
775     error_free_or_abort(&err);
776 
777     qcrypto_cipher_free(cipher);
778 }
779 
780 int main(int argc, char **argv)
781 {
782     size_t i;
783 
784     g_test_init(&argc, &argv, NULL);
785 
786     g_assert(qcrypto_init(NULL) == 0);
787 
788     for (i = 0; i < G_N_ELEMENTS(test_data); i++) {
789         if (qcrypto_cipher_supports(test_data[i].alg, test_data[i].mode)) {
790             g_test_add_data_func(test_data[i].path, &test_data[i], test_cipher);
791         }
792     }
793 
794     g_test_add_func("/crypto/cipher/null-iv",
795                     test_cipher_null_iv);
796 
797     g_test_add_func("/crypto/cipher/short-plaintext",
798                     test_cipher_short_plaintext);
799 
800     return g_test_run();
801 }
802