1 | // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) |
2 | /* Copyright (C) 2016-2022 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. |
3 | * |
4 | * Test cases for siphash.c |
5 | * |
6 | * SipHash: a fast short-input PRF |
7 | * https://131002.net/siphash/ |
8 | * |
9 | * This implementation is specifically for SipHash2-4 for a secure PRF |
10 | * and HalfSipHash1-3/SipHash1-3 for an insecure PRF only suitable for |
11 | * hashtables. |
12 | */ |
13 | |
14 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
15 | |
16 | #include <kunit/test.h> |
17 | #include <linux/siphash.h> |
18 | #include <linux/kernel.h> |
19 | #include <linux/string.h> |
20 | #include <linux/errno.h> |
21 | #include <linux/module.h> |
22 | |
23 | /* Test vectors taken from reference source available at: |
24 | * https://github.com/veorq/SipHash |
25 | */ |
26 | |
27 | static const siphash_key_t test_key_siphash = |
28 | {{ 0x0706050403020100ULL, 0x0f0e0d0c0b0a0908ULL }}; |
29 | |
30 | static const u64 test_vectors_siphash[64] = { |
31 | 0x726fdb47dd0e0e31ULL, 0x74f839c593dc67fdULL, 0x0d6c8009d9a94f5aULL, |
32 | 0x85676696d7fb7e2dULL, 0xcf2794e0277187b7ULL, 0x18765564cd99a68dULL, |
33 | 0xcbc9466e58fee3ceULL, 0xab0200f58b01d137ULL, 0x93f5f5799a932462ULL, |
34 | 0x9e0082df0ba9e4b0ULL, 0x7a5dbbc594ddb9f3ULL, 0xf4b32f46226bada7ULL, |
35 | 0x751e8fbc860ee5fbULL, 0x14ea5627c0843d90ULL, 0xf723ca908e7af2eeULL, |
36 | 0xa129ca6149be45e5ULL, 0x3f2acc7f57c29bdbULL, 0x699ae9f52cbe4794ULL, |
37 | 0x4bc1b3f0968dd39cULL, 0xbb6dc91da77961bdULL, 0xbed65cf21aa2ee98ULL, |
38 | 0xd0f2cbb02e3b67c7ULL, 0x93536795e3a33e88ULL, 0xa80c038ccd5ccec8ULL, |
39 | 0xb8ad50c6f649af94ULL, 0xbce192de8a85b8eaULL, 0x17d835b85bbb15f3ULL, |
40 | 0x2f2e6163076bcfadULL, 0xde4daaaca71dc9a5ULL, 0xa6a2506687956571ULL, |
41 | 0xad87a3535c49ef28ULL, 0x32d892fad841c342ULL, 0x7127512f72f27cceULL, |
42 | 0xa7f32346f95978e3ULL, 0x12e0b01abb051238ULL, 0x15e034d40fa197aeULL, |
43 | 0x314dffbe0815a3b4ULL, 0x027990f029623981ULL, 0xcadcd4e59ef40c4dULL, |
44 | 0x9abfd8766a33735cULL, 0x0e3ea96b5304a7d0ULL, 0xad0c42d6fc585992ULL, |
45 | 0x187306c89bc215a9ULL, 0xd4a60abcf3792b95ULL, 0xf935451de4f21df2ULL, |
46 | 0xa9538f0419755787ULL, 0xdb9acddff56ca510ULL, 0xd06c98cd5c0975ebULL, |
47 | 0xe612a3cb9ecba951ULL, 0xc766e62cfcadaf96ULL, 0xee64435a9752fe72ULL, |
48 | 0xa192d576b245165aULL, 0x0a8787bf8ecb74b2ULL, 0x81b3e73d20b49b6fULL, |
49 | 0x7fa8220ba3b2eceaULL, 0x245731c13ca42499ULL, 0xb78dbfaf3a8d83bdULL, |
50 | 0xea1ad565322a1a0bULL, 0x60e61c23a3795013ULL, 0x6606d7e446282b93ULL, |
51 | 0x6ca4ecb15c5f91e1ULL, 0x9f626da15c9625f3ULL, 0xe51b38608ef25f57ULL, |
52 | 0x958a324ceb064572ULL |
53 | }; |
54 | |
55 | #if BITS_PER_LONG == 64 |
56 | static const hsiphash_key_t test_key_hsiphash = |
57 | {{ 0x0706050403020100ULL, 0x0f0e0d0c0b0a0908ULL }}; |
58 | |
59 | static const u32 test_vectors_hsiphash[64] = { |
60 | 0x050fc4dcU, 0x7d57ca93U, 0x4dc7d44dU, |
61 | 0xe7ddf7fbU, 0x88d38328U, 0x49533b67U, |
62 | 0xc59f22a7U, 0x9bb11140U, 0x8d299a8eU, |
63 | 0x6c063de4U, 0x92ff097fU, 0xf94dc352U, |
64 | 0x57b4d9a2U, 0x1229ffa7U, 0xc0f95d34U, |
65 | 0x2a519956U, 0x7d908b66U, 0x63dbd80cU, |
66 | 0xb473e63eU, 0x8d297d1cU, 0xa6cce040U, |
67 | 0x2b45f844U, 0xa320872eU, 0xdae6c123U, |
68 | 0x67349c8cU, 0x705b0979U, 0xca9913a5U, |
69 | 0x4ade3b35U, 0xef6cd00dU, 0x4ab1e1f4U, |
70 | 0x43c5e663U, 0x8c21d1bcU, 0x16a7b60dU, |
71 | 0x7a8ff9bfU, 0x1f2a753eU, 0xbf186b91U, |
72 | 0xada26206U, 0xa3c33057U, 0xae3a36a1U, |
73 | 0x7b108392U, 0x99e41531U, 0x3f1ad944U, |
74 | 0xc8138825U, 0xc28949a6U, 0xfaf8876bU, |
75 | 0x9f042196U, 0x68b1d623U, 0x8b5114fdU, |
76 | 0xdf074c46U, 0x12cc86b3U, 0x0a52098fU, |
77 | 0x9d292f9aU, 0xa2f41f12U, 0x43a71ed0U, |
78 | 0x73f0bce6U, 0x70a7e980U, 0x243c6d75U, |
79 | 0xfdb71513U, 0xa67d8a08U, 0xb7e8f148U, |
80 | 0xf7a644eeU, 0x0f1837f2U, 0x4b6694e0U, |
81 | 0xb7bbb3a8U |
82 | }; |
83 | #else |
84 | static const hsiphash_key_t test_key_hsiphash = |
85 | {{ 0x03020100U, 0x07060504U }}; |
86 | |
87 | static const u32 test_vectors_hsiphash[64] = { |
88 | 0x5814c896U, 0xe7e864caU, 0xbc4b0e30U, |
89 | 0x01539939U, 0x7e059ea6U, 0x88e3d89bU, |
90 | 0xa0080b65U, 0x9d38d9d6U, 0x577999b1U, |
91 | 0xc839caedU, 0xe4fa32cfU, 0x959246eeU, |
92 | 0x6b28096cU, 0x66dd9cd6U, 0x16658a7cU, |
93 | 0xd0257b04U, 0x8b31d501U, 0x2b1cd04bU, |
94 | 0x06712339U, 0x522aca67U, 0x911bb605U, |
95 | 0x90a65f0eU, 0xf826ef7bU, 0x62512debU, |
96 | 0x57150ad7U, 0x5d473507U, 0x1ec47442U, |
97 | 0xab64afd3U, 0x0a4100d0U, 0x6d2ce652U, |
98 | 0x2331b6a3U, 0x08d8791aU, 0xbc6dda8dU, |
99 | 0xe0f6c934U, 0xb0652033U, 0x9b9851ccU, |
100 | 0x7c46fb7fU, 0x732ba8cbU, 0xf142997aU, |
101 | 0xfcc9aa1bU, 0x05327eb2U, 0xe110131cU, |
102 | 0xf9e5e7c0U, 0xa7d708a6U, 0x11795ab1U, |
103 | 0x65671619U, 0x9f5fff91U, 0xd89c5267U, |
104 | 0x007783ebU, 0x95766243U, 0xab639262U, |
105 | 0x9c7e1390U, 0xc368dda6U, 0x38ddc455U, |
106 | 0xfa13d379U, 0x979ea4e8U, 0x53ecd77eU, |
107 | 0x2ee80657U, 0x33dbb66aU, 0xae3f0577U, |
108 | 0x88b4c4ccU, 0x3e7f480bU, 0x74c1ebf8U, |
109 | 0x87178304U |
110 | }; |
111 | #endif |
112 | |
113 | #define chk(hash, vector, fmt...) \ |
114 | KUNIT_EXPECT_EQ_MSG(test, hash, vector, fmt) |
115 | |
116 | static void siphash_test(struct kunit *test) |
117 | { |
118 | u8 in[64] __aligned(SIPHASH_ALIGNMENT); |
119 | u8 in_unaligned[65] __aligned(SIPHASH_ALIGNMENT); |
120 | u8 i; |
121 | |
122 | for (i = 0; i < 64; ++i) { |
123 | in[i] = i; |
124 | in_unaligned[i + 1] = i; |
125 | chk(siphash(in, i, &test_key_siphash), |
126 | test_vectors_siphash[i], |
127 | "siphash self-test aligned %u: FAIL" , i + 1); |
128 | chk(siphash(in_unaligned + 1, i, &test_key_siphash), |
129 | test_vectors_siphash[i], |
130 | "siphash self-test unaligned %u: FAIL" , i + 1); |
131 | chk(hsiphash(in, i, &test_key_hsiphash), |
132 | test_vectors_hsiphash[i], |
133 | "hsiphash self-test aligned %u: FAIL" , i + 1); |
134 | chk(hsiphash(in_unaligned + 1, i, &test_key_hsiphash), |
135 | test_vectors_hsiphash[i], |
136 | "hsiphash self-test unaligned %u: FAIL" , i + 1); |
137 | } |
138 | chk(siphash_1u64(0x0706050403020100ULL, &test_key_siphash), |
139 | test_vectors_siphash[8], |
140 | "siphash self-test 1u64: FAIL" ); |
141 | chk(siphash_2u64(0x0706050403020100ULL, 0x0f0e0d0c0b0a0908ULL, |
142 | &test_key_siphash), |
143 | test_vectors_siphash[16], |
144 | "siphash self-test 2u64: FAIL" ); |
145 | chk(siphash_3u64(0x0706050403020100ULL, 0x0f0e0d0c0b0a0908ULL, |
146 | 0x1716151413121110ULL, &test_key_siphash), |
147 | test_vectors_siphash[24], |
148 | "siphash self-test 3u64: FAIL" ); |
149 | chk(siphash_4u64(0x0706050403020100ULL, 0x0f0e0d0c0b0a0908ULL, |
150 | 0x1716151413121110ULL, 0x1f1e1d1c1b1a1918ULL, |
151 | &test_key_siphash), |
152 | test_vectors_siphash[32], |
153 | "siphash self-test 4u64: FAIL" ); |
154 | chk(siphash_1u32(0x03020100U, &test_key_siphash), |
155 | test_vectors_siphash[4], |
156 | "siphash self-test 1u32: FAIL" ); |
157 | chk(siphash_2u32(0x03020100U, 0x07060504U, &test_key_siphash), |
158 | test_vectors_siphash[8], |
159 | "siphash self-test 2u32: FAIL" ); |
160 | chk(siphash_3u32(0x03020100U, 0x07060504U, |
161 | 0x0b0a0908U, &test_key_siphash), |
162 | test_vectors_siphash[12], |
163 | "siphash self-test 3u32: FAIL" ); |
164 | chk(siphash_4u32(0x03020100U, 0x07060504U, |
165 | 0x0b0a0908U, 0x0f0e0d0cU, &test_key_siphash), |
166 | test_vectors_siphash[16], |
167 | "siphash self-test 4u32: FAIL" ); |
168 | chk(hsiphash_1u32(0x03020100U, &test_key_hsiphash), |
169 | test_vectors_hsiphash[4], |
170 | "hsiphash self-test 1u32: FAIL" ); |
171 | chk(hsiphash_2u32(0x03020100U, 0x07060504U, &test_key_hsiphash), |
172 | test_vectors_hsiphash[8], |
173 | "hsiphash self-test 2u32: FAIL" ); |
174 | chk(hsiphash_3u32(0x03020100U, 0x07060504U, |
175 | 0x0b0a0908U, &test_key_hsiphash), |
176 | test_vectors_hsiphash[12], |
177 | "hsiphash self-test 3u32: FAIL" ); |
178 | chk(hsiphash_4u32(0x03020100U, 0x07060504U, |
179 | 0x0b0a0908U, 0x0f0e0d0cU, &test_key_hsiphash), |
180 | test_vectors_hsiphash[16], |
181 | "hsiphash self-test 4u32: FAIL" ); |
182 | } |
183 | |
184 | static struct kunit_case siphash_test_cases[] = { |
185 | KUNIT_CASE(siphash_test), |
186 | {} |
187 | }; |
188 | |
189 | static struct kunit_suite siphash_test_suite = { |
190 | .name = "siphash" , |
191 | .test_cases = siphash_test_cases, |
192 | }; |
193 | |
194 | kunit_test_suite(siphash_test_suite); |
195 | |
196 | MODULE_AUTHOR("Jason A. Donenfeld <Jason@zx2c4.com>" ); |
197 | MODULE_LICENSE("Dual BSD/GPL" ); |
198 | |