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 "internal/testenv"
21 "io"
22 "reflect"
23 "testing"
24 )
25
26 var _ cipher.Block = (*wrapper)(nil)
27
28 type wrapper struct {
29 block cipher.Block
30 }
31
32 func (w *wrapper) BlockSize() int { return w.block.BlockSize() }
33 func (w *wrapper) Encrypt(dst, src []byte) { w.block.Encrypt(dst, src) }
34 func (w *wrapper) Decrypt(dst, src []byte) { w.block.Decrypt(dst, src) }
35
36
37 func wrap(b cipher.Block) cipher.Block {
38 return &wrapper{b}
39 }
40
41 func testAllImplementations(t *testing.T, f func(*testing.T, func([]byte) cipher.Block)) {
42 cryptotest.TestAllImplementations(t, "gcm", func(t *testing.T) {
43 f(t, func(b []byte) cipher.Block {
44 c, err := aes.NewCipher(b)
45 if err != nil {
46 t.Fatal(err)
47 }
48 return c
49 })
50 })
51 t.Run("Fallback", func(t *testing.T) {
52 f(t, func(b []byte) cipher.Block {
53 c, err := aes.NewCipher(b)
54 if err != nil {
55 t.Fatal(err)
56 }
57 return wrap(c)
58 })
59 })
60 }
61
62 var aesGCMTests = []struct {
63 key, nonce, plaintext, ad, result string
64 }{
65 {
66 "11754cd72aec309bf52f7687212e8957",
67 "3c819d9a9bed087615030b65",
68 "",
69 "",
70 "250327c674aaf477aef2675748cf6971",
71 },
72 {
73 "e2e001a36c60d2bf40d69ff5b2b1161ea218db263be16a4e",
74 "3c819d9a9bed087615030b65",
75 "",
76 "",
77 "c7b8da1fe2e3dccc4071ba92a0a57ba8",
78 },
79 {
80 "5394e890d37ba55ec9d5f327f15680f6a63ef5279c79331643ad0af6d2623525",
81 "3c819d9a9bed087615030b65",
82 "",
83 "",
84 "d9b260d4bc4630733ffb642f5ce45726",
85 },
86 {
87 "ca47248ac0b6f8372a97ac43508308ed",
88 "ffd2b598feabc9019262d2be",
89 "",
90 "",
91 "60d20404af527d248d893ae495707d1a",
92 },
93 {
94 "fbe3467cc254f81be8e78d765a2e6333",
95 "c6697351ff4aec29cdbaabf2",
96 "",
97 "67",
98 "3659cdc25288bf499ac736c03bfc1159",
99 },
100 {
101 "8a7f9d80d08ad0bd5a20fb689c88f9fc",
102 "88b7b27d800937fda4f47301",
103 "",
104 "50edd0503e0d7b8c91608eb5a1",
105 "ed6f65322a4740011f91d2aae22dd44e",
106 },
107 {
108 "051758e95ed4abb2cdc69bb454110e82",
109 "c99a66320db73158a35a255d",
110 "",
111 "67c6697351ff4aec29cdbaabf2fbe3467cc254f81be8e78d765a2e63339f",
112 "6ce77f1a5616c505b6aec09420234036",
113 },
114 {
115 "77be63708971c4e240d1cb79e8d77feb",
116 "e0e00f19fed7ba0136a797f3",
117 "",
118 "7a43ec1d9c0a5a78a0b16533a6213cab",
119 "209fcc8d3675ed938e9c7166709dd946",
120 },
121 {
122 "7680c5d3ca6154758e510f4d25b98820",
123 "f8f105f9c3df4965780321f8",
124 "",
125 "c94c410194c765e3dcc7964379758ed3",
126 "94dca8edfcf90bb74b153c8d48a17930",
127 },
128
129 {
130 "7fddb57453c241d03efbed3ac44e371c",
131 "ee283a3fc75575e33efd4887",
132 "d5de42b461646c255c87bd2962d3b9a2",
133 "",
134 "2ccda4a5415cb91e135c2a0f78c9b2fdb36d1df9b9d5e596f83e8b7f52971cb3",
135 },
136 {
137 "ab72c77b97cb5fe9a382d9fe81ffdbed",
138 "54cc7dc2c37ec006bcc6d1da",
139 "007c5e5b3e59df24a7c355584fc1518d",
140 "",
141 "0e1bde206a07a9c2c1b65300f8c649972b4401346697138c7a4891ee59867d0c",
142 },
143 {
144 "feffe9928665731c6d6a8f9467308308feffe9928665731c",
145 "54cc7dc2c37ec006bcc6d1da",
146 "007c5e5b3e59df24a7c355584fc1518d",
147 "",
148 "7bd53594c28b6c6596feb240199cad4c9badb907fd65bde541b8df3bd444d3a8",
149 },
150 {
151 "feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308",
152 "54cc7dc2c37ec006bcc6d1da",
153 "007c5e5b3e59df24a7c355584fc1518d",
154 "",
155 "d50b9e252b70945d4240d351677eb10f937cdaef6f2822b6a3191654ba41b197",
156 },
157 {
158 "ab72c77b97cb5fe9a382d9fe81ffdbed",
159 "54cc7dc2c37ec006bcc6d1da",
160 "007c5e5b3e59df24a7c355584fc1518dabcdefab",
161 "",
162 "0e1bde206a07a9c2c1b65300f8c64997b73381a6ff6bc24c5146fbd73361f4fe",
163 },
164 {
165 "feffe9928665731c6d6a8f9467308308feffe9928665731c",
166 "54cc7dc2c37ec006bcc6d1da",
167 "007c5e5b3e59df24a7c355584fc1518dabcdefab",
168 "",
169 "7bd53594c28b6c6596feb240199cad4c23b86a96d423cffa929e68541dc16b28",
170 },
171 {
172 "feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308",
173 "54cc7dc2c37ec006bcc6d1da",
174 "007c5e5b3e59df24a7c355584fc1518dabcdefab",
175 "",
176 "d50b9e252b70945d4240d351677eb10f27fd385388ad3b72b96a2d5dea1240ae",
177 },
178
179 {
180 "fe47fcce5fc32665d2ae399e4eec72ba",
181 "5adb9609dbaeb58cbd6e7275",
182 "7c0e88c88899a779228465074797cd4c2e1498d259b54390b85e3eef1c02df60e743f1b840382c4bccaf3bafb4ca8429bea063",
183 "88319d6e1d3ffa5f987199166c8a9b56c2aeba5a",
184 "98f4826f05a265e6dd2be82db241c0fbbbf9ffb1c173aa83964b7cf5393043736365253ddbc5db8778371495da76d269e5db3e291ef1982e4defedaa2249f898556b47",
185 },
186 {
187 "ec0c2ba17aa95cd6afffe949da9cc3a8",
188 "296bce5b50b7d66096d627ef",
189 "b85b3753535b825cbe5f632c0b843c741351f18aa484281aebec2f45bb9eea2d79d987b764b9611f6c0f8641843d5d58f3a242",
190 "f8d00f05d22bf68599bcdeb131292ad6e2df5d14",
191 "a7443d31c26bdf2a1c945e29ee4bd344a99cfaf3aa71f8b3f191f83c2adfc7a07162995506fde6309ffc19e716eddf1a828c5a890147971946b627c40016da1ecf3e77",
192 },
193 {
194 "2c1f21cf0f6fb3661943155c3e3d8492",
195 "23cb5ff362e22426984d1907",
196 "42f758836986954db44bf37c6ef5e4ac0adaf38f27252a1b82d02ea949c8a1a2dbc0d68b5615ba7c1220ff6510e259f06655d8",
197 "5d3624879d35e46849953e45a32a624d6a6c536ed9857c613b572b0333e701557a713e3f010ecdf9a6bd6c9e3e44b065208645aff4aabee611b391528514170084ccf587177f4488f33cfb5e979e42b6e1cfc0a60238982a7aec",
198 "81824f0e0d523db30d3da369fdc0d60894c7a0a20646dd015073ad2732bd989b14a222b6ad57af43e1895df9dca2a5344a62cc57a3ee28136e94c74838997ae9823f3a",
199 },
200 {
201 "d9f7d2411091f947b4d6f1e2d1f0fb2e",
202 "e1934f5db57cc983e6b180e7",
203 "73ed042327f70fe9c572a61545eda8b2a0c6e1d6c291ef19248e973aee6c312012f490c2c6f6166f4a59431e182663fcaea05a",
204 "0a8a18a7150e940c3d87b38e73baee9a5c049ee21795663e264b694a949822b639092d0e67015e86363583fcf0ca645af9f43375f05fdb4ce84f411dcbca73c2220dea03a20115d2e51398344b16bee1ed7c499b353d6c597af8",
205 "aaadbd5c92e9151ce3db7210b8714126b73e43436d242677afa50384f2149b831f1d573c7891c2a91fbc48db29967ec9542b2321b51ca862cb637cdd03b99a0f93b134",
206 },
207 {
208 "feffe9928665731c6d6a8f9467308308feffe9928665731c",
209 "e1934f5db57cc983e6b180e7",
210 "73ed042327f70fe9c572a61545eda8b2a0c6e1d6c291ef19248e973aee6c312012f490c2c6f6166f4a59431e182663fcaea05a",
211 "0a8a18a7150e940c3d87b38e73baee9a5c049ee21795663e264b694a949822b639092d0e67015e86363583fcf0ca645af9f43375f05fdb4ce84f411dcbca73c2220dea03a20115d2e51398344b16bee1ed7c499b353d6c597af8",
212 "0736378955001d50773305975b3a534a4cd3614dd7300916301ae508cb7b45aa16e79435ca16b5557bcad5991bc52b971806863b15dc0b055748919b8ee91bc8477f68",
213 },
214 {
215 "feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308",
216 "e1934f5db57cc983e6b180e7",
217 "73ed042327f70fe9c572a61545eda8b2a0c6e1d6c291ef19248e973aee6c312012f490c2c6f6166f4a59431e182663fcaea05a",
218 "0a8a18a7150e940c3d87b38e73baee9a5c049ee21795663e264b694a949822b639092d0e67015e86363583fcf0ca645af9f43375f05fdb4ce84f411dcbca73c2220dea03a20115d2e51398344b16bee1ed7c499b353d6c597af8",
219 "fc1ae2b5dcd2c4176c3f538b4c3cc21197f79e608cc3730167936382e4b1e5a7b75ae1678bcebd876705477eb0e0fdbbcda92fb9a0dc58c8d8f84fb590e0422e6077ef",
220 },
221 {
222 "d9f7d2411091f947b4d6f1e2d1f0fb2e",
223 "e1934f5db57cc983e6b180e7",
224 "67c6697351ff4aec29cdbaabf2fbe3467cc254f81be8e78d765a2e63339fc99a66320db73158a35a255d051758e95ed4abb2cdc69bb454110e827441213ddc8770e93ea141e1fc673e017e97eadc6b968f385c2aecb03bfb32af3c54ec18db5c021afe43fbfaaa3afb29d1e6053c7c9475d8be6189f95cbba8990f95b1ebf1b3aabbccddee",
225 "0a8a18a7150e940c3d87b38e73baee9a5c049ee21795663e264b694a949822b639092d0e67015e86363583fcf0ca645af9f43375f05fdb4ce84f411dcbca73c2220dea03a20115d2e51398344b16bee1ed7c499b353d6c597af8",
226 "be86d00ce4e150190f646eae0f670ad26b3af66db45d2ee3fd71badd2fe763396bdbca498f3f779c70b80ed2695943e15139b406e5147b3855a1441dfb7bd64954b581e3db0ddf26b1c759e2276a4c18a8e4ad4b890f473e61c78e60074bd0633961e87e66d0a1be77c51ab6b9bb3318ccdd43794ffc18a03a83c1d368eeea590a13407c7ef48efc66e26047f3ab9deed0412ce89e",
227 },
228 {
229 "feffe9928665731c6d6a8f9467308308feffe9928665731c",
230 "e1934f5db57cc983e6b180e7",
231 "67c6697351ff4aec29cdbaabf2fbe3467cc254f81be8e78d765a2e63339fc99a66320db73158a35a255d051758e95ed4abb2cdc69bb454110e827441213ddc8770e93ea141e1fc673e017e97eadc6b968f385c2aecb03bfb32af3c54ec18db5c021afe43fbfaaa3afb29d1e6053c7c9475d8be6189f95cbba8990f95b1ebf1b3aabbccddee",
232 "0a8a18a7150e940c3d87b38e73baee9a5c049ee21795663e264b694a949822b639092d0e67015e86363583fcf0ca645af9f43375f05fdb4ce84f411dcbca73c2220dea03a20115d2e51398344b16bee1ed7c499b353d6c597af8",
233 "131d5ad9230858559b8c1929ec2c18be90d7d4630e49018262ce5c511688bd10622109403db8006014ce93905b0a16bf1d1411acc9e14edf09518bd5967ff4bc202805d4c2810810a093e996a0f56c9a3e3e593c783f68528c1a282ff6f4925902bb2b3d4cdd04b873663bf5fd9dd53b5df462e0424d038f249b10a99c0523200f8c92c3e8a178a25ee8e23b71308c88ec2cfe047e",
234 },
235 {
236 "feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308",
237 "e1934f5db57cc983e6b180e7",
238 "67c6697351ff4aec29cdbaabf2fbe3467cc254f81be8e78d765a2e63339fc99a66320db73158a35a255d051758e95ed4abb2cdc69bb454110e827441213ddc8770e93ea141e1fc673e017e97eadc6b968f385c2aecb03bfb32af3c54ec18db5c021afe43fbfaaa3afb29d1e6053c7c9475d8be6189f95cbba8990f95b1ebf1b3aabbccddee",
239 "0a8a18a7150e940c3d87b38e73baee9a5c049ee21795663e264b694a949822b639092d0e67015e86363583fcf0ca645af9f43375f05fdb4ce84f411dcbca73c2220dea03a20115d2e51398344b16bee1ed7c499b353d6c597af8",
240 "e8318fe5aada811280804f35fb2a89e54bf32b4e55ba7b953547dadb39421d1dc39c7c127c6008b208010177f02fc093c8bbb8b3834d0e060d96dda96ba386c7c01224a4cac1edebffda4f9a64692bfbffb9f7c2999069fab84205224978a10d815d5ab8fa31e4e11630ba01c3b6cb99bef5772357ce86b83b4fb45ea7146402d560b6ad07de635b9366865e788a6bcdb132dcd079",
241 },
242 {
243 "fe9bb47deb3a61e423c2231841cfd1fb",
244 "4d328eb776f500a2f7fb47aa",
245 "f1cc3818e421876bb6b8bbd6c9",
246 "",
247 "b88c5c1977b35b517b0aeae96743fd4727fe5cdb4b5b42818dea7ef8c9",
248 },
249 {
250 "6703df3701a7f54911ca72e24dca046a",
251 "12823ab601c350ea4bc2488c",
252 "793cd125b0b84a043e3ac67717",
253 "",
254 "b2051c80014f42f08735a7b0cd38e6bcd29962e5f2c13626b85a877101",
255 },
256 {
257 "feffe9928665731c6d6a8f9467308308feffe9928665731c",
258 "12823ab601c350ea4bc2488c",
259 "793cd125b0b84a043e3ac67717",
260 "",
261 "e888c2f438caedd4189d26c59f53439b8a7caec29e98c33ebf7e5712d6",
262 },
263 {
264 "feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308",
265 "12823ab601c350ea4bc2488c",
266 "793cd125b0b84a043e3ac67717",
267 "",
268 "e796c39074c7783a38193e3f8d46b355adacca7198d16d879fbfeac6e3",
269 },
270
271
272 {
273 "1672c3537afa82004c6b8a46f6f0d026",
274 "05",
275 "",
276 "",
277 "8e2ad721f9455f74d8b53d3141f27e8e",
278 },
279 {
280 "9a4fea86a621a91ab371e492457796c0",
281 "75",
282 "ca6131faf0ff210e4e693d6c31c109fc5b6f54224eb120f37de31dc59ec669b6",
283 "4f6e2585c161f05a9ae1f2f894e9f0ab52b45d0f",
284 "5698c0a384241d30004290aac56bb3ece6fe8eacc5c4be98954deb9c3ff6aebf5d50e1af100509e1fba2a5e8a0af9670",
285 },
286 {
287 "feffe9928665731c6d6a8f9467308308feffe9928665731c",
288 "75",
289 "ca6131faf0ff210e4e693d6c31c109fc5b6f54224eb120f37de31dc59ec669b6",
290 "4f6e2585c161f05a9ae1f2f894e9f0ab52b45d0f",
291 "2709b357ec8334a074dbd5c4c352b216cfd1c8bd66343c5d43bfc6bd3b2b6cd0e3a82315d56ea5e4961c9ef3bc7e4042",
292 },
293 {
294 "feffe9928665731c6d6a8f9467308308feffe9928665731c6d6a8f9467308308",
295 "75",
296 "ca6131faf0ff210e4e693d6c31c109fc5b6f54224eb120f37de31dc59ec669b6",
297 "4f6e2585c161f05a9ae1f2f894e9f0ab52b45d0f",
298 "d73bebe722c5e312fe910ba71d5a6a063a4297203f819103dfa885a8076d095545a999affde3dbac2b5be6be39195ed0",
299 },
300 {
301 "d0f1f4defa1e8c08b4b26d576392027c",
302 "42b4f01eb9f5a1ea5b1eb73b0fb0baed54f387ecaa0393c7d7dffc6af50146ecc021abf7eb9038d4303d91f8d741a11743166c0860208bcc02c6258fd9511a2fa626f96d60b72fcff773af4e88e7a923506e4916ecbd814651e9f445adef4ad6a6b6c7290cc13b956130eef5b837c939fcac0cbbcc9656cd75b13823ee5acdac",
303 "",
304 "",
305 "7ab49b57ddf5f62c427950111c5c4f0d",
306 },
307 {
308 "4a0c00a3d284dea9d4bf8b8dde86685e",
309 "f8cbe82588e784bcacbe092cd9089b51e01527297f635bf294b3aa787d91057ef23869789698ac960707857f163ecb242135a228ad93964f5dc4a4d7f88fd7b3b07dd0a5b37f9768fb05a523639f108c34c661498a56879e501a2321c8a4a94d7e1b89db255ac1f685e185263368e99735ebe62a7f2931b47282be8eb165e4d7",
310 "6d4bf87640a6a48a50d28797b7",
311 "8d8c7ffc55086d539b5a8f0d1232654c",
312 "0d803ec309482f35b8e6226f2b56303239298e06b281c2d51aaba3c125",
313 },
314 {
315 "0e18a844ac5bf38e4cd72d9b0942e506",
316 "0870d4b28a2954489a0abcd5",
317 "67c6697351ff4aec29cdbaabf2fbe3467cc254f81be8e78d765a2e63339fc99a66320db73158a35a255d051758e95ed4abb2cdc69bb454110e827441213ddc8770e93ea141e1fc673e017e97eadc6b968f385c2aecb03bfb32af3c54ec18db5c021afe43fbfaaa3afb29d1e6053c7c9475d8be6189f95cbba8990f95b1ebf1b3",
318 "05eff700e9a13ae5ca0bcbd0484764bd1f231ea81c7b64c514735ac55e4b79633b706424119e09dcaad4acf21b10af3b33cde3504847155cbb6f2219ba9b7df50be11a1c7f23f829f8a41b13b5ca4ee8983238e0794d3d34bc5f4e77facb6c05ac86212baa1a55a2be70b5733b045cd33694b3afe2f0e49e4f321549fd824ea9",
319 "cace28f4976afd72e3c5128167eb788fbf6634dda0a2f53148d00f6fa557f5e9e8f736c12e450894af56cb67f7d99e1027258c8571bd91ee3b7360e0d508aa1f382411a16115f9c05251cc326d4016f62e0eb8151c048465b0c6c8ff12558d43310e18b2cb1889eec91557ce21ba05955cf4c1d4847aadfb1b0a83f3a3b82b7efa62a5f03c5d6eda381a85dd78dbc55c",
320 },
321 {
322 "feffe9928665731c6d6a8f9467308308feffe9928665731c",
323 "0870d4b28a2954489a0abcd5",
324 "67c6697351ff4aec29cdbaabf2fbe3467cc254f81be8e78d765a2e63339fc99a66320db73158a35a255d051758e95ed4abb2cdc69bb454110e827441213ddc8770e93ea141e1fc673e017e97eadc6b968f385c2aecb03bfb32af3c54ec18db5c021afe43fbfaaa3afb29d1e6053c7c9475d8be6189f95cbba8990f95b1ebf1b3",
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375 "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",
376 "0feccdfae8ed65fa31a0858a1c466f79e8aa658c2f3ba93c3f92158b4e30955e1c62580450beff",
377 "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",
378 },
379
380 {
381 "89c54b0d3bc3c397d5039058c220685f",
382 "bc7f45c00868758d62d4bb4d",
383 "582670b0baf5540a3775b6615605bd05",
384 "48d16cda0337105a50e2ed76fd18e114",
385 "fc2d4c4eee2209ddbba6663c02765e6955e783b00156f5da0446e2970b877f",
386 },
387 {
388 "bad6049678bf75c9087b3e3ae7e72c13",
389 "a0a017b83a67d8f1b883e561",
390 "a1be93012f05a1958440f74a5311f4a1",
391 "f7c27b51d5367161dc2ff1e9e3edc6f2",
392 "36f032f7e3dc3275ca22aedcdc68436b99a2227f8bb69d45ea5d8842cd08",
393 },
394 {
395 "66a3c722ccf9709525650973ecc100a9",
396 "1621d42d3a6d42a2d2bf9494",
397 "61fa9dbbed2190fbc2ffabf5d2ea4ff8",
398 "d7a9b6523b8827068a6354a6d166c6b9",
399 "fef3b20f40e08a49637cc82f4c89b8603fd5c0132acfab97b5fff651c4",
400 },
401 {
402 "562ae8aadb8d23e0f271a99a7d1bd4d1",
403 "f7a5e2399413b89b6ad31aff",
404 "bbdc3504d803682aa08a773cde5f231a",
405 "2b9680b886b3efb7c6354b38c63b5373",
406 "e2b7e5ed5ff27fc8664148f5a628a46dcbf2015184fffb82f2651c36",
407 },
408 {
409 "11754cd72aec309bf52f7687212e8957",
410 "",
411 "",
412 "",
413 "250327c674aaf477aef2675748cf6971",
414 },
415 }
416
417 func TestAESGCM(t *testing.T) {
418 testAllImplementations(t, testAESGCM)
419 }
420
421 func testAESGCM(t *testing.T, newCipher func(key []byte) cipher.Block) {
422 for i, test := range aesGCMTests {
423 key, _ := hex.DecodeString(test.key)
424 aes := newCipher(key)
425
426 nonce, _ := hex.DecodeString(test.nonce)
427 plaintext, _ := hex.DecodeString(test.plaintext)
428 ad, _ := hex.DecodeString(test.ad)
429 tagSize := (len(test.result) - len(test.plaintext)) / 2
430
431 var err error
432 var aesgcm cipher.AEAD
433 switch {
434
435 case tagSize != 16:
436 aesgcm, err = cipher.NewGCMWithTagSize(aes, tagSize)
437 if err != nil {
438 t.Fatal(err)
439 }
440
441
442 case len(nonce) == 0:
443 aesgcm, err = cipher.NewGCMWithNonceSize(aes, 0)
444 if err == nil {
445 t.Fatal("expected error for zero nonce size")
446 }
447 continue
448
449
450 case len(nonce) != 12:
451 aesgcm, err = cipher.NewGCMWithNonceSize(aes, len(nonce))
452 if err != nil {
453 t.Fatal(err)
454 }
455
456 default:
457 aesgcm, err = cipher.NewGCM(aes)
458 if err != nil {
459 t.Fatal(err)
460 }
461 }
462
463 ct := aesgcm.Seal(nil, nonce, plaintext, ad)
464 if ctHex := hex.EncodeToString(ct); ctHex != test.result {
465 t.Errorf("#%d: got %s, want %s", i, ctHex, test.result)
466 continue
467 }
468
469 plaintext2, err := aesgcm.Open(nil, nonce, ct, ad)
470 if err != nil {
471 t.Errorf("#%d: Open failed", i)
472 continue
473 }
474
475 if !bytes.Equal(plaintext, plaintext2) {
476 t.Errorf("#%d: plaintext's don't match: got %x vs %x", i, plaintext2, plaintext)
477 continue
478 }
479
480 if len(ad) > 0 {
481 ad[0] ^= 0x80
482 if _, err := aesgcm.Open(nil, nonce, ct, ad); err == nil {
483 t.Errorf("#%d: Open was successful after altering additional data", i)
484 }
485 ad[0] ^= 0x80
486 }
487
488 nonce[0] ^= 0x80
489 if _, err := aesgcm.Open(nil, nonce, ct, ad); err == nil {
490 t.Errorf("#%d: Open was successful after altering nonce", i)
491 }
492 nonce[0] ^= 0x80
493
494 ct[0] ^= 0x80
495 if _, err := aesgcm.Open(nil, nonce, ct, ad); err == nil {
496 t.Errorf("#%d: Open was successful after altering ciphertext", i)
497 }
498 ct[0] ^= 0x80
499 }
500 }
501
502 func TestGCMInvalidTagSize(t *testing.T) {
503 testAllImplementations(t, testGCMInvalidTagSize)
504 }
505
506 func testGCMInvalidTagSize(t *testing.T, newCipher func(key []byte) cipher.Block) {
507 key, _ := hex.DecodeString("ab72c77b97cb5fe9a382d9fe81ffdbed")
508 aes := newCipher(key)
509
510 for _, tagSize := range []int{0, 1, aes.BlockSize() + 1} {
511 aesgcm, err := cipher.NewGCMWithTagSize(aes, tagSize)
512 if aesgcm != nil || err == nil {
513 t.Fatalf("NewGCMWithTagSize was successful with an invalid %d-byte tag size", tagSize)
514 }
515 }
516 }
517
518 func TestTagFailureOverwrite(t *testing.T) {
519 testAllImplementations(t, testTagFailureOverwrite)
520 }
521
522 func testTagFailureOverwrite(t *testing.T, newCipher func(key []byte) cipher.Block) {
523
524
525
526
527
528 key, _ := hex.DecodeString("ab72c77b97cb5fe9a382d9fe81ffdbed")
529 nonce, _ := hex.DecodeString("54cc7dc2c37ec006bcc6d1db")
530 ciphertext, _ := hex.DecodeString("0e1bde206a07a9c2c1b65300f8c649972b4401346697138c7a4891ee59867d0c")
531
532 aes := newCipher(key)
533 aesgcm, _ := cipher.NewGCM(aes)
534
535 dst := make([]byte, len(ciphertext)-16)
536 for i := range dst {
537 dst[i] = 42
538 }
539
540 result, err := aesgcm.Open(dst[:0], nonce, ciphertext, nil)
541 if err == nil {
542 t.Fatal("Bad Open still resulted in nil error.")
543 }
544
545 if result != nil {
546 t.Fatal("Failed Open returned non-nil result.")
547 }
548
549 for i := range dst {
550 if dst[i] != 0 {
551 t.Fatal("Failed Open didn't zero dst buffer")
552 }
553 }
554 }
555
556 func TestGCMCounterWrap(t *testing.T) {
557 testAllImplementations(t, testGCMCounterWrap)
558 }
559
560 func testGCMCounterWrap(t *testing.T, newCipher func(key []byte) cipher.Block) {
561
562 tests := []struct {
563 nonce, tag string
564 }{
565 {"0fa72e25", "37e1948cdfff09fbde0c40ad99fee4a7"},
566 {"afe05cc1", "438f3aa9fee5e54903b1927bca26bbdf"},
567 {"9ffecbef", "7b88ca424df9703e9e8611071ec7e16e"},
568 {"ffc3e5b3", "38d49c86e0abe853ac250e66da54c01a"},
569 {"cfdd729d", "e08402eaac36a1a402e09b1bd56500e8"},
570 {"010ae3d486", "5405bb490b1f95d01e2ba735687154bc"},
571 {"01b1107a9d", "939a585f342e01e17844627492d44dbf"},
572 }
573 key := newCipher(make([]byte, 16))
574 plaintext := make([]byte, 16*17+1)
575 for i, test := range tests {
576 nonce, _ := hex.DecodeString(test.nonce)
577 want, _ := hex.DecodeString(test.tag)
578 aead, err := cipher.NewGCMWithNonceSize(key, len(nonce))
579 if err != nil {
580 t.Fatal(err)
581 }
582 got := aead.Seal(nil, nonce, plaintext, nil)
583 if !bytes.Equal(got[len(plaintext):], want) {
584 t.Errorf("test[%v]: got: %x, want: %x", i, got[len(plaintext):], want)
585 }
586 _, err = aead.Open(nil, nonce, got, nil)
587 if err != nil {
588 t.Errorf("test[%v]: authentication failed", i)
589 }
590 }
591 }
592
593 func TestGCMAsm(t *testing.T) {
594
595
596 newAESGCM := func(key []byte) (asm, generic cipher.AEAD, err error) {
597 block, err := aes.NewCipher(key[:])
598 if err != nil {
599 return nil, nil, err
600 }
601 asm, err = cipher.NewGCM(block)
602 if err != nil {
603 return nil, nil, err
604 }
605 generic, err = cipher.NewGCM(wrap(block))
606 if err != nil {
607 return nil, nil, err
608 }
609 return asm, generic, nil
610 }
611
612
613 var key [16]byte
614 asm, generic, err := newAESGCM(key[:])
615 if err != nil {
616 t.Fatal(err)
617 }
618 if reflect.TypeOf(asm) == reflect.TypeOf(generic) {
619 t.Skipf("no assembly implementation of GCM")
620 }
621
622
623 type pair struct{ align, length int }
624 lengths := []int{0, 156, 8192, 8193, 8208}
625 keySizes := []int{16, 24, 32}
626 alignments := []int{0, 1, 2, 3}
627 if testing.Short() {
628 keySizes = []int{16}
629 alignments = []int{1}
630 }
631 perms := make([]pair, 0)
632 for _, l := range lengths {
633 for _, a := range alignments {
634 if a != 0 && l == 0 {
635 continue
636 }
637 perms = append(perms, pair{align: a, length: l})
638 }
639 }
640
641
642 test := func(ks int, pt, ad []byte) error {
643 key := make([]byte, ks)
644 if _, err := io.ReadFull(rand.Reader, key); err != nil {
645 return err
646 }
647 asm, generic, err := newAESGCM(key)
648 if err != nil {
649 return err
650 }
651 if _, err := io.ReadFull(rand.Reader, pt); err != nil {
652 return err
653 }
654 if _, err := io.ReadFull(rand.Reader, ad); err != nil {
655 return err
656 }
657 nonce := make([]byte, 12)
658 if _, err := io.ReadFull(rand.Reader, nonce); err != nil {
659 return err
660 }
661 want := generic.Seal(nil, nonce, pt, ad)
662 got := asm.Seal(nil, nonce, pt, ad)
663 if !bytes.Equal(want, got) {
664 return errors.New("incorrect Seal output")
665 }
666 got, err = asm.Open(nil, nonce, want, ad)
667 if err != nil {
668 return errors.New("authentication failed")
669 }
670 if !bytes.Equal(pt, got) {
671 return errors.New("incorrect Open output")
672 }
673 return nil
674 }
675 for _, a := range perms {
676 ad := make([]byte, a.align+a.length)
677 ad = ad[a.align:]
678 for _, p := range perms {
679 pt := make([]byte, p.align+p.length)
680 pt = pt[p.align:]
681 for _, ks := range keySizes {
682 if err := test(ks, pt, ad); err != nil {
683 t.Error(err)
684 t.Errorf(" key size: %v", ks)
685 t.Errorf(" plaintext alignment: %v", p.align)
686 t.Errorf(" plaintext length: %v", p.length)
687 t.Errorf(" additionalData alignment: %v", a.align)
688 t.Fatalf(" additionalData length: %v", a.length)
689 }
690 }
691 }
692 }
693 }
694
695
696 func TestGCMAEAD(t *testing.T) {
697 testAllImplementations(t, testGCMAEAD)
698 }
699
700 func testGCMAEAD(t *testing.T, newCipher func(key []byte) cipher.Block) {
701 minTagSize := 12
702
703 for _, keySize := range []int{128, 192, 256} {
704
705 t.Run(fmt.Sprintf("AES-%d", keySize), func(t *testing.T) {
706 rng := newRandReader(t)
707
708 key := make([]byte, keySize/8)
709 rng.Read(key)
710
711 block := newCipher(key)
712
713
714
715 cryptotest.TestAEAD(t, func() (cipher.AEAD, error) { return cipher.NewGCM(block) })
716
717
718 t.Run("MinTagSize", func(t *testing.T) {
719 cryptotest.TestAEAD(t, func() (cipher.AEAD, error) { return cipher.NewGCMWithTagSize(block, minTagSize) })
720 })
721
722
723 for _, nonceSize := range []int{1, 16, 100} {
724 t.Run(fmt.Sprintf("NonceSize-%d", nonceSize), func(t *testing.T) {
725 cryptotest.TestAEAD(t, func() (cipher.AEAD, error) { return cipher.NewGCMWithNonceSize(block, nonceSize) })
726 })
727 }
728
729
730 t.Run("GCMWithRandomNonce", func(t *testing.T) {
731 if _, ok := block.(*wrapper); ok || boring.Enabled {
732 t.Skip("NewGCMWithRandomNonce requires an AES block cipher")
733 }
734 cryptotest.TestAEAD(t, func() (cipher.AEAD, error) { return cipher.NewGCMWithRandomNonce(block) })
735 })
736 })
737 }
738 }
739
740 func TestGCMExtraMethods(t *testing.T) {
741 testAllImplementations(t, func(t *testing.T, newCipher func([]byte) cipher.Block) {
742 t.Run("NewGCM", func(t *testing.T) {
743 a, _ := cipher.NewGCM(newCipher(make([]byte, 16)))
744 cryptotest.NoExtraMethods(t, &a)
745 })
746 t.Run("NewGCMWithTagSize", func(t *testing.T) {
747 a, _ := cipher.NewGCMWithTagSize(newCipher(make([]byte, 16)), 12)
748 cryptotest.NoExtraMethods(t, &a)
749 })
750 t.Run("NewGCMWithNonceSize", func(t *testing.T) {
751 a, _ := cipher.NewGCMWithNonceSize(newCipher(make([]byte, 16)), 12)
752 cryptotest.NoExtraMethods(t, &a)
753 })
754 t.Run("NewGCMWithRandomNonce", func(t *testing.T) {
755 block := newCipher(make([]byte, 16))
756 if _, ok := block.(*wrapper); ok || boring.Enabled {
757 t.Skip("NewGCMWithRandomNonce requires an AES block cipher")
758 }
759 a, _ := cipher.NewGCMWithRandomNonce(block)
760 cryptotest.NoExtraMethods(t, &a)
761 })
762 })
763 }
764
765 func TestGCMNoncesFIPSV1(t *testing.T) {
766 cryptotest.MustSupportFIPS140(t)
767 if !fips140.Enabled {
768 cmd := testenv.Command(t, testenv.Executable(t), "-test.run=^TestGCMNoncesFIPSV1$", "-test.v")
769 cmd.Env = append(cmd.Environ(), "GODEBUG=fips140=on")
770 out, err := cmd.CombinedOutput()
771 t.Logf("running with GODEBUG=fips140=on:\n%s", out)
772 if err != nil {
773 t.Errorf("fips140=on subprocess failed: %v", err)
774 }
775 return
776 }
777
778 tryNonce := func(aead cipher.AEAD, nonce []byte) bool {
779 fips140.ResetServiceIndicator()
780 aead.Seal(nil, nonce, []byte("x"), nil)
781 return fips140.ServiceIndicator()
782 }
783 expectOK := func(t *testing.T, aead cipher.AEAD, nonce []byte) {
784 t.Helper()
785 if !tryNonce(aead, nonce) {
786 t.Errorf("expected service indicator true for %x", nonce)
787 }
788 }
789 expectPanic := func(t *testing.T, aead cipher.AEAD, nonce []byte) {
790 t.Helper()
791 defer func() {
792 t.Helper()
793 if recover() == nil {
794 t.Errorf("expected panic for %x", nonce)
795 }
796 }()
797 tryNonce(aead, nonce)
798 }
799
800 t.Run("NewGCMWithCounterNonce", func(t *testing.T) {
801 newGCM := func() cipher.AEAD {
802 key := make([]byte, 16)
803 block, _ := fipsaes.New(key)
804 aead, _ := gcm.NewGCMWithCounterNonce(block)
805 return aead
806 }
807
808 g := newGCM()
809 expectOK(t, g, []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0})
810 expectOK(t, g, []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1})
811 expectOK(t, g, []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 100})
812 expectOK(t, g, []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0})
813 expectOK(t, g, []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0})
814 expectOK(t, g, []byte{0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0})
815 expectOK(t, g, []byte{0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0})
816 expectOK(t, g, []byte{0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0})
817 expectOK(t, g, []byte{0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0})
818 expectOK(t, g, []byte{0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0})
819
820 expectPanic(t, g, []byte{0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0})
821
822 g = newGCM()
823 expectOK(t, g, []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1})
824
825 expectPanic(t, g, []byte{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0})
826
827 g = newGCM()
828 expectOK(t, g, []byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12})
829 expectOK(t, g, []byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13})
830
831 expectPanic(t, g, []byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13})
832
833 g = newGCM()
834 expectOK(t, g, []byte{1, 2, 3, 4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00})
835 expectOK(t, g, []byte{1, 2, 3, 4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff})
836
837 expectOK(t, g, []byte{1, 2, 3, 4, 0, 0, 0, 0, 0, 0, 0, 0})
838 expectOK(t, g, []byte{1, 2, 3, 4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0xfe})
839
840 expectPanic(t, g, []byte{1, 2, 3, 4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xfe, 0xff})
841
842 g = newGCM()
843 expectOK(t, g, []byte{1, 2, 3, 4, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff})
844
845 expectPanic(t, g, []byte{1, 2, 3, 5, 0, 0, 0, 0, 0, 0, 0, 0})
846 })
847
848 t.Run("NewGCMForSSH", func(t *testing.T) {
849 newGCM := func() cipher.AEAD {
850 key := make([]byte, 16)
851 block, _ := fipsaes.New(key)
852 aead, _ := gcm.NewGCMForSSH(block)
853 return aead
854 }
855
856 incIV := func(iv []byte) {
857 for i := 4 + 7; i >= 4; i-- {
858 iv[i]++
859 if iv[i] != 0 {
860 break
861 }
862 }
863 }
864
865 aead := newGCM()
866 iv := decodeHex(t, "11223344"+"0000000000000000")
867 expectOK(t, aead, iv)
868 incIV(iv)
869 expectOK(t, aead, iv)
870 iv = decodeHex(t, "11223344"+"fffffffffffffffe")
871 expectOK(t, aead, iv)
872 incIV(iv)
873 expectPanic(t, aead, iv)
874
875
876 aead = newGCM()
877 iv = decodeHex(t, "11223344"+"fffffffffffffffe")
878 expectOK(t, aead, iv)
879 incIV(iv)
880 expectOK(t, aead, iv)
881 incIV(iv)
882 expectOK(t, aead, iv)
883 incIV(iv)
884 expectOK(t, aead, iv)
885
886 aead = newGCM()
887 iv = decodeHex(t, "11223344"+"aaaaaaaaaaaaaaaa")
888 expectOK(t, aead, iv)
889 iv = decodeHex(t, "11223344"+"ffffffffffffffff")
890 expectOK(t, aead, iv)
891 incIV(iv)
892 expectOK(t, aead, iv)
893 iv = decodeHex(t, "11223344"+"aaaaaaaaaaaaaaa8")
894 expectOK(t, aead, iv)
895 incIV(iv)
896 expectPanic(t, aead, iv)
897 iv = decodeHex(t, "11223344"+"bbbbbbbbbbbbbbbb")
898 expectPanic(t, aead, iv)
899 })
900 }
901
902 func decodeHex(t *testing.T, s string) []byte {
903 t.Helper()
904 b, err := hex.DecodeString(s)
905 if err != nil {
906 t.Fatal(err)
907 }
908 return b
909 }
910
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