1
2
3
4
5 package cipher_test
6
7 import (
8 "bytes"
9 "crypto/aes"
10 "crypto/cipher"
11 "crypto/internal/boring"
12 "crypto/internal/cryptotest"
13 "crypto/internal/fips140"
14 fipsaes "crypto/internal/fips140/aes"
15 "crypto/internal/fips140/aes/gcm"
16 "crypto/rand"
17 "encoding/hex"
18 "errors"
19 "fmt"
20 "io"
21 "reflect"
22 "testing"
23 )
24
25 var _ cipher.Block = (*wrapper)(nil)
26
27 type wrapper struct {
28 block cipher.Block
29 }
30
31 func (w *wrapper) BlockSize() int { return w.block.BlockSize() }
32 func (w *wrapper) Encrypt(dst, src []byte) { w.block.Encrypt(dst, src) }
33 func (w *wrapper) Decrypt(dst, src []byte) { w.block.Decrypt(dst, src) }
34
35
36 func wrap(b cipher.Block) cipher.Block {
37 return &wrapper{b}
38 }
39
40 func testAllImplementations(t *testing.T, f func(*testing.T, func([]byte) cipher.Block)) {
41 cryptotest.TestAllImplementations(t, "gcm", func(t *testing.T) {
42 f(t, func(b []byte) cipher.Block {
43 c, err := aes.NewCipher(b)
44 if err != nil {
45 t.Fatal(err)
46 }
47 return c
48 })
49 })
50 t.Run("Fallback", func(t *testing.T) {
51 f(t, func(b []byte) cipher.Block {
52 c, err := aes.NewCipher(b)
53 if err != nil {
54 t.Fatal(err)
55 }
56 return wrap(c)
57 })
58 })
59 }
60
61 var aesGCMTests = []struct {
62 key, nonce, plaintext, ad, result string
63 }{
64 {
65 "11754cd72aec309bf52f7687212e8957",
66 "3c819d9a9bed087615030b65",
67 "",
68 "",
69 "250327c674aaf477aef2675748cf6971",
70 },
71 {
72 "e2e001a36c60d2bf40d69ff5b2b1161ea218db263be16a4e",
73 "3c819d9a9bed087615030b65",
74 "",
75 "",
76 "c7b8da1fe2e3dccc4071ba92a0a57ba8",
77 },
78 {
79 "5394e890d37ba55ec9d5f327f15680f6a63ef5279c79331643ad0af6d2623525",
80 "3c819d9a9bed087615030b65",
81 "",
82 "",
83 "d9b260d4bc4630733ffb642f5ce45726",
84 },
85 {
86 "ca47248ac0b6f8372a97ac43508308ed",
87 "ffd2b598feabc9019262d2be",
88 "",
89 "",
90 "60d20404af527d248d893ae495707d1a",
91 },
92 {
93 "fbe3467cc254f81be8e78d765a2e6333",
94 "c6697351ff4aec29cdbaabf2",
95 "",
96 "67",
97 "3659cdc25288bf499ac736c03bfc1159",
98 },
99 {
100 "8a7f9d80d08ad0bd5a20fb689c88f9fc",
101 "88b7b27d800937fda4f47301",
102 "",
103 "50edd0503e0d7b8c91608eb5a1",
104 "ed6f65322a4740011f91d2aae22dd44e",
105 },
106 {
107 "051758e95ed4abb2cdc69bb454110e82",
108 "c99a66320db73158a35a255d",
109 "",
110 "67c6697351ff4aec29cdbaabf2fbe3467cc254f81be8e78d765a2e63339f",
111 "6ce77f1a5616c505b6aec09420234036",
112 },
113 {
114 "77be63708971c4e240d1cb79e8d77feb",
115 "e0e00f19fed7ba0136a797f3",
116 "",
117 "7a43ec1d9c0a5a78a0b16533a6213cab",
118 "209fcc8d3675ed938e9c7166709dd946",
119 },
120 {
121 "7680c5d3ca6154758e510f4d25b98820",
122 "f8f105f9c3df4965780321f8",
123 "",
124 "c94c410194c765e3dcc7964379758ed3",
125 "94dca8edfcf90bb74b153c8d48a17930",
126 },
127
128 {
129 "7fddb57453c241d03efbed3ac44e371c",
130 "ee283a3fc75575e33efd4887",
131 "d5de42b461646c255c87bd2962d3b9a2",
132 "",
133 "2ccda4a5415cb91e135c2a0f78c9b2fdb36d1df9b9d5e596f83e8b7f52971cb3",
134 },
135 {
136 "ab72c77b97cb5fe9a382d9fe81ffdbed",
137 "54cc7dc2c37ec006bcc6d1da",
138 "007c5e5b3e59df24a7c355584fc1518d",
139 "",
140 "0e1bde206a07a9c2c1b65300f8c649972b4401346697138c7a4891ee59867d0c",
141 },
142 {
143 "feffe9928665731c6d6a8f9467308308feffe9928665731c",
144 "54cc7dc2c37ec006bcc6d1da",
145 "007c5e5b3e59df24a7c355584fc1518d",
146 "",
147 "7bd53594c28b6c6596feb240199cad4c9badb907fd65bde541b8df3bd444d3a8",
148 },
149 {
150 "feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308",
151 "54cc7dc2c37ec006bcc6d1da",
152 "007c5e5b3e59df24a7c355584fc1518d",
153 "",
154 "d50b9e252b70945d4240d351677eb10f937cdaef6f2822b6a3191654ba41b197",
155 },
156 {
157 "ab72c77b97cb5fe9a382d9fe81ffdbed",
158 "54cc7dc2c37ec006bcc6d1da",
159 "007c5e5b3e59df24a7c355584fc1518dabcdefab",
160 "",
161 "0e1bde206a07a9c2c1b65300f8c64997b73381a6ff6bc24c5146fbd73361f4fe",
162 },
163 {
164 "feffe9928665731c6d6a8f9467308308feffe9928665731c",
165 "54cc7dc2c37ec006bcc6d1da",
166 "007c5e5b3e59df24a7c355584fc1518dabcdefab",
167 "",
168 "7bd53594c28b6c6596feb240199cad4c23b86a96d423cffa929e68541dc16b28",
169 },
170 {
171 "feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308",
172 "54cc7dc2c37ec006bcc6d1da",
173 "007c5e5b3e59df24a7c355584fc1518dabcdefab",
174 "",
175 "d50b9e252b70945d4240d351677eb10f27fd385388ad3b72b96a2d5dea1240ae",
176 },
177
178 {
179 "fe47fcce5fc32665d2ae399e4eec72ba",
180 "5adb9609dbaeb58cbd6e7275",
181 "7c0e88c88899a779228465074797cd4c2e1498d259b54390b85e3eef1c02df60e743f1b840382c4bccaf3bafb4ca8429bea063",
182 "88319d6e1d3ffa5f987199166c8a9b56c2aeba5a",
183 "98f4826f05a265e6dd2be82db241c0fbbbf9ffb1c173aa83964b7cf5393043736365253ddbc5db8778371495da76d269e5db3e291ef1982e4defedaa2249f898556b47",
184 },
185 {
186 "ec0c2ba17aa95cd6afffe949da9cc3a8",
187 "296bce5b50b7d66096d627ef",
188 "b85b3753535b825cbe5f632c0b843c741351f18aa484281aebec2f45bb9eea2d79d987b764b9611f6c0f8641843d5d58f3a242",
189 "f8d00f05d22bf68599bcdeb131292ad6e2df5d14",
190 "a7443d31c26bdf2a1c945e29ee4bd344a99cfaf3aa71f8b3f191f83c2adfc7a07162995506fde6309ffc19e716eddf1a828c5a890147971946b627c40016da1ecf3e77",
191 },
192 {
193 "2c1f21cf0f6fb3661943155c3e3d8492",
194 "23cb5ff362e22426984d1907",
195 "42f758836986954db44bf37c6ef5e4ac0adaf38f27252a1b82d02ea949c8a1a2dbc0d68b5615ba7c1220ff6510e259f06655d8",
196 "5d3624879d35e46849953e45a32a624d6a6c536ed9857c613b572b0333e701557a713e3f010ecdf9a6bd6c9e3e44b065208645aff4aabee611b391528514170084ccf587177f4488f33cfb5e979e42b6e1cfc0a60238982a7aec",
197 "81824f0e0d523db30d3da369fdc0d60894c7a0a20646dd015073ad2732bd989b14a222b6ad57af43e1895df9dca2a5344a62cc57a3ee28136e94c74838997ae9823f3a",
198 },
199 {
200 "d9f7d2411091f947b4d6f1e2d1f0fb2e",
201 "e1934f5db57cc983e6b180e7",
202 "73ed042327f70fe9c572a61545eda8b2a0c6e1d6c291ef19248e973aee6c312012f490c2c6f6166f4a59431e182663fcaea05a",
203 "0a8a18a7150e940c3d87b38e73baee9a5c049ee21795663e264b694a949822b639092d0e67015e86363583fcf0ca645af9f43375f05fdb4ce84f411dcbca73c2220dea03a20115d2e51398344b16bee1ed7c499b353d6c597af8",
204 "aaadbd5c92e9151ce3db7210b8714126b73e43436d242677afa50384f2149b831f1d573c7891c2a91fbc48db29967ec9542b2321b51ca862cb637cdd03b99a0f93b134",
205 },
206 {
207 "feffe9928665731c6d6a8f9467308308feffe9928665731c",
208 "e1934f5db57cc983e6b180e7",
209 "73ed042327f70fe9c572a61545eda8b2a0c6e1d6c291ef19248e973aee6c312012f490c2c6f6166f4a59431e182663fcaea05a",
210 "0a8a18a7150e940c3d87b38e73baee9a5c049ee21795663e264b694a949822b639092d0e67015e86363583fcf0ca645af9f43375f05fdb4ce84f411dcbca73c2220dea03a20115d2e51398344b16bee1ed7c499b353d6c597af8",
211 "0736378955001d50773305975b3a534a4cd3614dd7300916301ae508cb7b45aa16e79435ca16b5557bcad5991bc52b971806863b15dc0b055748919b8ee91bc8477f68",
212 },
213 {
214 "feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308",
215 "e1934f5db57cc983e6b180e7",
216 "73ed042327f70fe9c572a61545eda8b2a0c6e1d6c291ef19248e973aee6c312012f490c2c6f6166f4a59431e182663fcaea05a",
217 "0a8a18a7150e940c3d87b38e73baee9a5c049ee21795663e264b694a949822b639092d0e67015e86363583fcf0ca645af9f43375f05fdb4ce84f411dcbca73c2220dea03a20115d2e51398344b16bee1ed7c499b353d6c597af8",
218 "fc1ae2b5dcd2c4176c3f538b4c3cc21197f79e608cc3730167936382e4b1e5a7b75ae1678bcebd876705477eb0e0fdbbcda92fb9a0dc58c8d8f84fb590e0422e6077ef",
219 },
220 {
221 "d9f7d2411091f947b4d6f1e2d1f0fb2e",
222 "e1934f5db57cc983e6b180e7",
223 "67c6697351ff4aec29cdbaabf2fbe3467cc254f81be8e78d765a2e63339fc99a66320db73158a35a255d051758e95ed4abb2cdc69bb454110e827441213ddc8770e93ea141e1fc673e017e97eadc6b968f385c2aecb03bfb32af3c54ec18db5c021afe43fbfaaa3afb29d1e6053c7c9475d8be6189f95cbba8990f95b1ebf1b3aabbccddee",
224 "0a8a18a7150e940c3d87b38e73baee9a5c049ee21795663e264b694a949822b639092d0e67015e86363583fcf0ca645af9f43375f05fdb4ce84f411dcbca73c2220dea03a20115d2e51398344b16bee1ed7c499b353d6c597af8",
225 "be86d00ce4e150190f646eae0f670ad26b3af66db45d2ee3fd71badd2fe763396bdbca498f3f779c70b80ed2695943e15139b406e5147b3855a1441dfb7bd64954b581e3db0ddf26b1c759e2276a4c18a8e4ad4b890f473e61c78e60074bd0633961e87e66d0a1be77c51ab6b9bb3318ccdd43794ffc18a03a83c1d368eeea590a13407c7ef48efc66e26047f3ab9deed0412ce89e",
226 },
227 {
228 "feffe9928665731c6d6a8f9467308308feffe9928665731c",
229 "e1934f5db57cc983e6b180e7",
230 "67c6697351ff4aec29cdbaabf2fbe3467cc254f81be8e78d765a2e63339fc99a66320db73158a35a255d051758e95ed4abb2cdc69bb454110e827441213ddc8770e93ea141e1fc673e017e97eadc6b968f385c2aecb03bfb32af3c54ec18db5c021afe43fbfaaa3afb29d1e6053c7c9475d8be6189f95cbba8990f95b1ebf1b3aabbccddee",
231 "0a8a18a7150e940c3d87b38e73baee9a5c049ee21795663e264b694a949822b639092d0e67015e86363583fcf0ca645af9f43375f05fdb4ce84f411dcbca73c2220dea03a20115d2e51398344b16bee1ed7c499b353d6c597af8",
232 "131d5ad9230858559b8c1929ec2c18be90d7d4630e49018262ce5c511688bd10622109403db8006014ce93905b0a16bf1d1411acc9e14edf09518bd5967ff4bc202805d4c2810810a093e996a0f56c9a3e3e593c783f68528c1a282ff6f4925902bb2b3d4cdd04b873663bf5fd9dd53b5df462e0424d038f249b10a99c0523200f8c92c3e8a178a25ee8e23b71308c88ec2cfe047e",
233 },
234 {
235 "feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308",
236 "e1934f5db57cc983e6b180e7",
237 "67c6697351ff4aec29cdbaabf2fbe3467cc254f81be8e78d765a2e63339fc99a66320db73158a35a255d051758e95ed4abb2cdc69bb454110e827441213ddc8770e93ea141e1fc673e017e97eadc6b968f385c2aecb03bfb32af3c54ec18db5c021afe43fbfaaa3afb29d1e6053c7c9475d8be6189f95cbba8990f95b1ebf1b3aabbccddee",
238 "0a8a18a7150e940c3d87b38e73baee9a5c049ee21795663e264b694a949822b639092d0e67015e86363583fcf0ca645af9f43375f05fdb4ce84f411dcbca73c2220dea03a20115d2e51398344b16bee1ed7c499b353d6c597af8",
239 "e8318fe5aada811280804f35fb2a89e54bf32b4e55ba7b953547dadb39421d1dc39c7c127c6008b208010177f02fc093c8bbb8b3834d0e060d96dda96ba386c7c01224a4cac1edebffda4f9a64692bfbffb9f7c2999069fab84205224978a10d815d5ab8fa31e4e11630ba01c3b6cb99bef5772357ce86b83b4fb45ea7146402d560b6ad07de635b9366865e788a6bcdb132dcd079",
240 },
241 {
242 "fe9bb47deb3a61e423c2231841cfd1fb",
243 "4d328eb776f500a2f7fb47aa",
244 "f1cc3818e421876bb6b8bbd6c9",
245 "",
246 "b88c5c1977b35b517b0aeae96743fd4727fe5cdb4b5b42818dea7ef8c9",
247 },
248 {
249 "6703df3701a7f54911ca72e24dca046a",
250 "12823ab601c350ea4bc2488c",
251 "793cd125b0b84a043e3ac67717",
252 "",
253 "b2051c80014f42f08735a7b0cd38e6bcd29962e5f2c13626b85a877101",
254 },
255 {
256 "feffe9928665731c6d6a8f9467308308feffe9928665731c",
257 "12823ab601c350ea4bc2488c",
258 "793cd125b0b84a043e3ac67717",
259 "",
260 "e888c2f438caedd4189d26c59f53439b8a7caec29e98c33ebf7e5712d6",
261 },
262 {
263 "feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308",
264 "12823ab601c350ea4bc2488c",
265 "793cd125b0b84a043e3ac67717",
266 "",
267 "e796c39074c7783a38193e3f8d46b355adacca7198d16d879fbfeac6e3",
268 },
269
270
271 {
272 "1672c3537afa82004c6b8a46f6f0d026",
273 "05",
274 "",
275 "",
276 "8e2ad721f9455f74d8b53d3141f27e8e",
277 },
278 {
279 "9a4fea86a621a91ab371e492457796c0",
280 "75",
281 "ca6131faf0ff210e4e693d6c31c109fc5b6f54224eb120f37de31dc59ec669b6",
282 "4f6e2585c161f05a9ae1f2f894e9f0ab52b45d0f",
283 "5698c0a384241d30004290aac56bb3ece6fe8eacc5c4be98954deb9c3ff6aebf5d50e1af100509e1fba2a5e8a0af9670",
284 },
285 {
286 "feffe9928665731c6d6a8f9467308308feffe9928665731c",
287 "75",
288 "ca6131faf0ff210e4e693d6c31c109fc5b6f54224eb120f37de31dc59ec669b6",
289 "4f6e2585c161f05a9ae1f2f894e9f0ab52b45d0f",
290 "2709b357ec8334a074dbd5c4c352b216cfd1c8bd66343c5d43bfc6bd3b2b6cd0e3a82315d56ea5e4961c9ef3bc7e4042",
291 },
292 {
293 "feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308",
294 "75",
295 "ca6131faf0ff210e4e693d6c31c109fc5b6f54224eb120f37de31dc59ec669b6",
296 "4f6e2585c161f05a9ae1f2f894e9f0ab52b45d0f",
297 "d73bebe722c5e312fe910ba71d5a6a063a4297203f819103dfa885a8076d095545a999affde3dbac2b5be6be39195ed0",
298 },
299 {
300 "d0f1f4defa1e8c08b4b26d576392027c",
301 "42b4f01eb9f5a1ea5b1eb73b0fb0baed54f387ecaa0393c7d7dffc6af50146ecc021abf7eb9038d4303d91f8d741a11743166c0860208bcc02c6258fd9511a2fa626f96d60b72fcff773af4e88e7a923506e4916ecbd814651e9f445adef4ad6a6b6c7290cc13b956130eef5b837c939fcac0cbbcc9656cd75b13823ee5acdac",
302 "",
303 "",
304 "7ab49b57ddf5f62c427950111c5c4f0d",
305 },
306 {
307 "4a0c00a3d284dea9d4bf8b8dde86685e",
308 "f8cbe82588e784bcacbe092cd9089b51e01527297f635bf294b3aa787d91057ef23869789698ac960707857f163ecb242135a228ad93964f5dc4a4d7f88fd7b3b07dd0a5b37f9768fb05a523639f108c34c661498a56879e501a2321c8a4a94d7e1b89db255ac1f685e185263368e99735ebe62a7f2931b47282be8eb165e4d7",
309 "6d4bf87640a6a48a50d28797b7",
310 "8d8c7ffc55086d539b5a8f0d1232654c",
311 "0d803ec309482f35b8e6226f2b56303239298e06b281c2d51aaba3c125",
312 },
313 {
314 "0e18a844ac5bf38e4cd72d9b0942e506",
315 "0870d4b28a2954489a0abcd5",
316 "67c6697351ff4aec29cdbaabf2fbe3467cc254f81be8e78d765a2e63339fc99a66320db73158a35a255d051758e95ed4abb2cdc69bb454110e827441213ddc8770e93ea141e1fc673e017e97eadc6b968f385c2aecb03bfb32af3c54ec18db5c021afe43fbfaaa3afb29d1e6053c7c9475d8be6189f95cbba8990f95b1ebf1b3",
317 "05eff700e9a13ae5ca0bcbd0484764bd1f231ea81c7b64c514735ac55e4b79633b706424119e09dcaad4acf21b10af3b33cde3504847155cbb6f2219ba9b7df50be11a1c7f23f829f8a41b13b5ca4ee8983238e0794d3d34bc5f4e77facb6c05ac86212baa1a55a2be70b5733b045cd33694b3afe2f0e49e4f321549fd824ea9",
318 "cace28f4976afd72e3c5128167eb788fbf6634dda0a2f53148d00f6fa557f5e9e8f736c12e450894af56cb67f7d99e1027258c8571bd91ee3b7360e0d508aa1f382411a16115f9c05251cc326d4016f62e0eb8151c048465b0c6c8ff12558d43310e18b2cb1889eec91557ce21ba05955cf4c1d4847aadfb1b0a83f3a3b82b7efa62a5f03c5d6eda381a85dd78dbc55c",
319 },
320 {
321 "feffe9928665731c6d6a8f9467308308feffe9928665731c",
322 "0870d4b28a2954489a0abcd5",
323 "67c6697351ff4aec29cdbaabf2fbe3467cc254f81be8e78d765a2e63339fc99a66320db73158a35a255d051758e95ed4abb2cdc69bb454110e827441213ddc8770e93ea141e1fc673e017e97eadc6b968f385c2aecb03bfb32af3c54ec18db5c021afe43fbfaaa3afb29d1e6053c7c9475d8be6189f95cbba8990f95b1ebf1b3",
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374 "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",
375 "0feccdfae8ed65fa31a0858a1c466f79e8aa658c2f3ba93c3f92158b4e30955e1c62580450beff",
376 "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",
377 },
378
379 {
380 "89c54b0d3bc3c397d5039058c220685f",
381 "bc7f45c00868758d62d4bb4d",
382 "582670b0baf5540a3775b6615605bd05",
383 "48d16cda0337105a50e2ed76fd18e114",
384 "fc2d4c4eee2209ddbba6663c02765e6955e783b00156f5da0446e2970b877f",
385 },
386 {
387 "bad6049678bf75c9087b3e3ae7e72c13",
388 "a0a017b83a67d8f1b883e561",
389 "a1be93012f05a1958440f74a5311f4a1",
390 "f7c27b51d5367161dc2ff1e9e3edc6f2",
391 "36f032f7e3dc3275ca22aedcdc68436b99a2227f8bb69d45ea5d8842cd08",
392 },
393 {
394 "66a3c722ccf9709525650973ecc100a9",
395 "1621d42d3a6d42a2d2bf9494",
396 "61fa9dbbed2190fbc2ffabf5d2ea4ff8",
397 "d7a9b6523b8827068a6354a6d166c6b9",
398 "fef3b20f40e08a49637cc82f4c89b8603fd5c0132acfab97b5fff651c4",
399 },
400 {
401 "562ae8aadb8d23e0f271a99a7d1bd4d1",
402 "f7a5e2399413b89b6ad31aff",
403 "bbdc3504d803682aa08a773cde5f231a",
404 "2b9680b886b3efb7c6354b38c63b5373",
405 "e2b7e5ed5ff27fc8664148f5a628a46dcbf2015184fffb82f2651c36",
406 },
407 {
408 "11754cd72aec309bf52f7687212e8957",
409 "",
410 "",
411 "",
412 "250327c674aaf477aef2675748cf6971",
413 },
414 }
415
416 func TestAESGCM(t *testing.T) {
417 testAllImplementations(t, testAESGCM)
418 }
419
420 func testAESGCM(t *testing.T, newCipher func(key []byte) cipher.Block) {
421 for i, test := range aesGCMTests {
422 key, _ := hex.DecodeString(test.key)
423 aes := newCipher(key)
424
425 nonce, _ := hex.DecodeString(test.nonce)
426 plaintext, _ := hex.DecodeString(test.plaintext)
427 ad, _ := hex.DecodeString(test.ad)
428 tagSize := (len(test.result) - len(test.plaintext)) / 2
429
430 var err error
431 var aesgcm cipher.AEAD
432 switch {
433
434 case tagSize != 16:
435 aesgcm, err = cipher.NewGCMWithTagSize(aes, tagSize)
436 if err != nil {
437 t.Fatal(err)
438 }
439
440
441 case len(nonce) == 0:
442 aesgcm, err = cipher.NewGCMWithNonceSize(aes, 0)
443 if err == nil {
444 t.Fatal("expected error for zero nonce size")
445 }
446 continue
447
448
449 case len(nonce) != 12:
450 aesgcm, err = cipher.NewGCMWithNonceSize(aes, len(nonce))
451 if err != nil {
452 t.Fatal(err)
453 }
454
455 default:
456 aesgcm, err = cipher.NewGCM(aes)
457 if err != nil {
458 t.Fatal(err)
459 }
460 }
461
462 ct := aesgcm.Seal(nil, nonce, plaintext, ad)
463 if ctHex := hex.EncodeToString(ct); ctHex != test.result {
464 t.Errorf("#%d: got %s, want %s", i, ctHex, test.result)
465 continue
466 }
467
468 plaintext2, err := aesgcm.Open(nil, nonce, ct, ad)
469 if err != nil {
470 t.Errorf("#%d: Open failed", i)
471 continue
472 }
473
474 if !bytes.Equal(plaintext, plaintext2) {
475 t.Errorf("#%d: plaintext's don't match: got %x vs %x", i, plaintext2, plaintext)
476 continue
477 }
478
479 if len(ad) > 0 {
480 ad[0] ^= 0x80
481 if _, err := aesgcm.Open(nil, nonce, ct, ad); err == nil {
482 t.Errorf("#%d: Open was successful after altering additional data", i)
483 }
484 ad[0] ^= 0x80
485 }
486
487 nonce[0] ^= 0x80
488 if _, err := aesgcm.Open(nil, nonce, ct, ad); err == nil {
489 t.Errorf("#%d: Open was successful after altering nonce", i)
490 }
491 nonce[0] ^= 0x80
492
493 ct[0] ^= 0x80
494 if _, err := aesgcm.Open(nil, nonce, ct, ad); err == nil {
495 t.Errorf("#%d: Open was successful after altering ciphertext", i)
496 }
497 ct[0] ^= 0x80
498 }
499 }
500
501 func TestGCMInvalidTagSize(t *testing.T) {
502 testAllImplementations(t, testGCMInvalidTagSize)
503 }
504
505 func testGCMInvalidTagSize(t *testing.T, newCipher func(key []byte) cipher.Block) {
506 key, _ := hex.DecodeString("ab72c77b97cb5fe9a382d9fe81ffdbed")
507 aes := newCipher(key)
508
509 for _, tagSize := range []int{0, 1, aes.BlockSize() + 1} {
510 aesgcm, err := cipher.NewGCMWithTagSize(aes, tagSize)
511 if aesgcm != nil || err == nil {
512 t.Fatalf("NewGCMWithTagSize was successful with an invalid %d-byte tag size", tagSize)
513 }
514 }
515 }
516
517 func TestTagFailureOverwrite(t *testing.T) {
518 testAllImplementations(t, testTagFailureOverwrite)
519 }
520
521 func testTagFailureOverwrite(t *testing.T, newCipher func(key []byte) cipher.Block) {
522
523
524
525
526
527 key, _ := hex.DecodeString("ab72c77b97cb5fe9a382d9fe81ffdbed")
528 nonce, _ := hex.DecodeString("54cc7dc2c37ec006bcc6d1db")
529 ciphertext, _ := hex.DecodeString("0e1bde206a07a9c2c1b65300f8c649972b4401346697138c7a4891ee59867d0c")
530
531 aes := newCipher(key)
532 aesgcm, _ := cipher.NewGCM(aes)
533
534 dst := make([]byte, len(ciphertext)-16)
535 for i := range dst {
536 dst[i] = 42
537 }
538
539 result, err := aesgcm.Open(dst[:0], nonce, ciphertext, nil)
540 if err == nil {
541 t.Fatal("Bad Open still resulted in nil error.")
542 }
543
544 if result != nil {
545 t.Fatal("Failed Open returned non-nil result.")
546 }
547
548 for i := range dst {
549 if dst[i] != 0 {
550 t.Fatal("Failed Open didn't zero dst buffer")
551 }
552 }
553 }
554
555 func TestGCMCounterWrap(t *testing.T) {
556 testAllImplementations(t, testGCMCounterWrap)
557 }
558
559 func testGCMCounterWrap(t *testing.T, newCipher func(key []byte) cipher.Block) {
560
561 tests := []struct {
562 nonce, tag string
563 }{
564 {"0fa72e25", "37e1948cdfff09fbde0c40ad99fee4a7"},
565 {"afe05cc1", "438f3aa9fee5e54903b1927bca26bbdf"},
566 {"9ffecbef", "7b88ca424df9703e9e8611071ec7e16e"},
567 {"ffc3e5b3", "38d49c86e0abe853ac250e66da54c01a"},
568 {"cfdd729d", "e08402eaac36a1a402e09b1bd56500e8"},
569 {"010ae3d486", "5405bb490b1f95d01e2ba735687154bc"},
570 {"01b1107a9d", "939a585f342e01e17844627492d44dbf"},
571 }
572 key := newCipher(make([]byte, 16))
573 plaintext := make([]byte, 16*17+1)
574 for i, test := range tests {
575 nonce, _ := hex.DecodeString(test.nonce)
576 want, _ := hex.DecodeString(test.tag)
577 aead, err := cipher.NewGCMWithNonceSize(key, len(nonce))
578 if err != nil {
579 t.Fatal(err)
580 }
581 got := aead.Seal(nil, nonce, plaintext, nil)
582 if !bytes.Equal(got[len(plaintext):], want) {
583 t.Errorf("test[%v]: got: %x, want: %x", i, got[len(plaintext):], want)
584 }
585 _, err = aead.Open(nil, nonce, got, nil)
586 if err != nil {
587 t.Errorf("test[%v]: authentication failed", i)
588 }
589 }
590 }
591
592 func TestGCMAsm(t *testing.T) {
593
594
595 newAESGCM := func(key []byte) (asm, generic cipher.AEAD, err error) {
596 block, err := aes.NewCipher(key[:])
597 if err != nil {
598 return nil, nil, err
599 }
600 asm, err = cipher.NewGCM(block)
601 if err != nil {
602 return nil, nil, err
603 }
604 generic, err = cipher.NewGCM(wrap(block))
605 if err != nil {
606 return nil, nil, err
607 }
608 return asm, generic, nil
609 }
610
611
612 var key [16]byte
613 asm, generic, err := newAESGCM(key[:])
614 if err != nil {
615 t.Fatal(err)
616 }
617 if reflect.TypeOf(asm) == reflect.TypeOf(generic) {
618 t.Skipf("no assembly implementation of GCM")
619 }
620
621
622 type pair struct{ align, length int }
623 lengths := []int{0, 156, 8192, 8193, 8208}
624 keySizes := []int{16, 24, 32}
625 alignments := []int{0, 1, 2, 3}
626 if testing.Short() {
627 keySizes = []int{16}
628 alignments = []int{1}
629 }
630 perms := make([]pair, 0)
631 for _, l := range lengths {
632 for _, a := range alignments {
633 if a != 0 && l == 0 {
634 continue
635 }
636 perms = append(perms, pair{align: a, length: l})
637 }
638 }
639
640
641 test := func(ks int, pt, ad []byte) error {
642 key := make([]byte, ks)
643 if _, err := io.ReadFull(rand.Reader, key); err != nil {
644 return err
645 }
646 asm, generic, err := newAESGCM(key)
647 if err != nil {
648 return err
649 }
650 if _, err := io.ReadFull(rand.Reader, pt); err != nil {
651 return err
652 }
653 if _, err := io.ReadFull(rand.Reader, ad); err != nil {
654 return err
655 }
656 nonce := make([]byte, 12)
657 if _, err := io.ReadFull(rand.Reader, nonce); err != nil {
658 return err
659 }
660 want := generic.Seal(nil, nonce, pt, ad)
661 got := asm.Seal(nil, nonce, pt, ad)
662 if !bytes.Equal(want, got) {
663 return errors.New("incorrect Seal output")
664 }
665 got, err = asm.Open(nil, nonce, want, ad)
666 if err != nil {
667 return errors.New("authentication failed")
668 }
669 if !bytes.Equal(pt, got) {
670 return errors.New("incorrect Open output")
671 }
672 return nil
673 }
674 for _, a := range perms {
675 ad := make([]byte, a.align+a.length)
676 ad = ad[a.align:]
677 for _, p := range perms {
678 pt := make([]byte, p.align+p.length)
679 pt = pt[p.align:]
680 for _, ks := range keySizes {
681 if err := test(ks, pt, ad); err != nil {
682 t.Error(err)
683 t.Errorf(" key size: %v", ks)
684 t.Errorf(" plaintext alignment: %v", p.align)
685 t.Errorf(" plaintext length: %v", p.length)
686 t.Errorf(" additionalData alignment: %v", a.align)
687 t.Fatalf(" additionalData length: %v", a.length)
688 }
689 }
690 }
691 }
692 }
693
694
695 func TestGCMAEAD(t *testing.T) {
696 testAllImplementations(t, testGCMAEAD)
697 }
698
699 func testGCMAEAD(t *testing.T, newCipher func(key []byte) cipher.Block) {
700 minTagSize := 12
701
702 for _, keySize := range []int{128, 192, 256} {
703
704 t.Run(fmt.Sprintf("AES-%d", keySize), func(t *testing.T) {
705 rng := newRandReader(t)
706
707 key := make([]byte, keySize/8)
708 rng.Read(key)
709
710 block := newCipher(key)
711
712
713
714 cryptotest.TestAEAD(t, func() (cipher.AEAD, error) { return cipher.NewGCM(block) })
715
716
717 t.Run("MinTagSize", func(t *testing.T) {
718 cryptotest.TestAEAD(t, func() (cipher.AEAD, error) { return cipher.NewGCMWithTagSize(block, minTagSize) })
719 })
720
721
722 for _, nonceSize := range []int{1, 16, 100} {
723 t.Run(fmt.Sprintf("NonceSize-%d", nonceSize), func(t *testing.T) {
724 cryptotest.TestAEAD(t, func() (cipher.AEAD, error) { return cipher.NewGCMWithNonceSize(block, nonceSize) })
725 })
726 }
727
728
729 t.Run("GCMWithRandomNonce", func(t *testing.T) {
730 if _, ok := block.(*wrapper); ok || boring.Enabled {
731 t.Skip("NewGCMWithRandomNonce requires an AES block cipher")
732 }
733 cryptotest.TestAEAD(t, func() (cipher.AEAD, error) { return cipher.NewGCMWithRandomNonce(block) })
734 })
735 })
736 }
737 }
738
739 func TestFIPSServiceIndicator(t *testing.T) {
740 newGCM := func() cipher.AEAD {
741 key := make([]byte, 16)
742 block, _ := fipsaes.New(key)
743 aead, _ := gcm.NewGCMWithCounterNonce(block)
744 return aead
745 }
746 tryNonce := func(aead cipher.AEAD, nonce []byte) bool {
747 fips140.ResetServiceIndicator()
748 aead.Seal(nil, nonce, []byte("x"), nil)
749 return fips140.ServiceIndicator()
750 }
751 expectTrue := func(t *testing.T, aead cipher.AEAD, nonce []byte) {
752 t.Helper()
753 if !tryNonce(aead, nonce) {
754 t.Errorf("expected service indicator true for %x", nonce)
755 }
756 }
757 expectPanic := func(t *testing.T, aead cipher.AEAD, nonce []byte) {
758 t.Helper()
759 defer func() {
760 t.Helper()
761 if recover() == nil {
762 t.Errorf("expected panic for %x", nonce)
763 }
764 }()
765 tryNonce(aead, nonce)
766 }
767
768 g := newGCM()
769 expectTrue(t, g, []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0})
770 expectTrue(t, g, []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1})
771 expectTrue(t, g, []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 100})
772 expectTrue(t, g, []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0})
773 expectTrue(t, g, []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0})
774 expectTrue(t, g, []byte{0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0})
775 expectTrue(t, g, []byte{0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0})
776 expectTrue(t, g, []byte{0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0})
777 expectTrue(t, g, []byte{0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0})
778 expectTrue(t, g, []byte{0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0})
779
780 expectPanic(t, g, []byte{0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0})
781
782 g = newGCM()
783 expectTrue(t, g, []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1})
784
785 expectPanic(t, g, []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0})
786
787 g = newGCM()
788 expectTrue(t, g, []byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12})
789 expectTrue(t, g, []byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13})
790
791 expectPanic(t, g, []byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13})
792
793 g = newGCM()
794 expectTrue(t, g, []byte{1, 2, 3, 4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00})
795 expectTrue(t, g, []byte{1, 2, 3, 4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff})
796
797 expectTrue(t, g, []byte{1, 2, 3, 4, 0, 0, 0, 0, 0, 0, 0, 0})
798 expectTrue(t, g, []byte{1, 2, 3, 4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0xfe})
799
800 expectPanic(t, g, []byte{1, 2, 3, 4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0xff})
801
802 g = newGCM()
803 expectTrue(t, g, []byte{1, 2, 3, 4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff})
804
805 expectPanic(t, g, []byte{1, 2, 3, 5, 0, 0, 0, 0, 0, 0, 0, 0})
806 }
807
808 func TestGCMForSSH(t *testing.T) {
809
810 incIV := func(iv []byte) {
811 for i := 4 + 7; i >= 4; i-- {
812 iv[i]++
813 if iv[i] != 0 {
814 break
815 }
816 }
817 }
818
819 expectOK := func(aead cipher.AEAD, iv []byte) {
820 aead.Seal(nil, iv, []byte("hello, world"), nil)
821 }
822
823 expectPanic := func(aead cipher.AEAD, iv []byte) {
824 defer func() {
825 if recover() == nil {
826 t.Errorf("expected panic")
827 }
828 }()
829 aead.Seal(nil, iv, []byte("hello, world"), nil)
830 }
831
832 key := make([]byte, 16)
833 block, _ := fipsaes.New(key)
834 aead, err := gcm.NewGCMForSSH(block)
835 if err != nil {
836 t.Fatal(err)
837 }
838 iv := decodeHex(t, "11223344"+"0000000000000000")
839 expectOK(aead, iv)
840 incIV(iv)
841 expectOK(aead, iv)
842 iv = decodeHex(t, "11223344"+"fffffffffffffffe")
843 expectOK(aead, iv)
844 incIV(iv)
845 expectPanic(aead, iv)
846
847 aead, _ = gcm.NewGCMForSSH(block)
848 iv = decodeHex(t, "11223344"+"fffffffffffffffe")
849 expectOK(aead, iv)
850 incIV(iv)
851 expectOK(aead, iv)
852 incIV(iv)
853 expectOK(aead, iv)
854 incIV(iv)
855 expectOK(aead, iv)
856
857 aead, _ = gcm.NewGCMForSSH(block)
858 iv = decodeHex(t, "11223344"+"aaaaaaaaaaaaaaaa")
859 expectOK(aead, iv)
860 iv = decodeHex(t, "11223344"+"ffffffffffffffff")
861 expectOK(aead, iv)
862 incIV(iv)
863 expectOK(aead, iv)
864 iv = decodeHex(t, "11223344"+"aaaaaaaaaaaaaaa8")
865 expectOK(aead, iv)
866 incIV(iv)
867 expectPanic(aead, iv)
868 iv = decodeHex(t, "11223344"+"bbbbbbbbbbbbbbbb")
869 expectPanic(aead, iv)
870 }
871
872 func decodeHex(t *testing.T, s string) []byte {
873 t.Helper()
874 b, err := hex.DecodeString(s)
875 if err != nil {
876 t.Fatal(err)
877 }
878 return b
879 }
880
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