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1 | /* Test cases for siphash.c |
2 | * | |
3 | * Copyright (C) 2016 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved. | |
4 | * | |
5 | * This file is provided under a dual BSD/GPLv2 license. | |
6 | * | |
7 | * SipHash: a fast short-input PRF | |
8 | * https://131002.net/siphash/ | |
9 | * | |
10 | * This implementation is specifically for SipHash2-4. | |
11 | */ | |
12 | ||
13 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt | |
14 | ||
15 | #include <linux/siphash.h> | |
16 | #include <linux/kernel.h> | |
17 | #include <linux/string.h> | |
18 | #include <linux/errno.h> | |
19 | #include <linux/module.h> | |
20 | ||
21 | /* Test vectors taken from official reference source available at: | |
22 | * https://131002.net/siphash/siphash24.c | |
23 | */ | |
24 | ||
25 | static const siphash_key_t test_key_siphash = | |
26 | {{ 0x0706050403020100ULL, 0x0f0e0d0c0b0a0908ULL }}; | |
27 | ||
28 | static const u64 test_vectors_siphash[64] = { | |
29 | 0x726fdb47dd0e0e31ULL, 0x74f839c593dc67fdULL, 0x0d6c8009d9a94f5aULL, | |
30 | 0x85676696d7fb7e2dULL, 0xcf2794e0277187b7ULL, 0x18765564cd99a68dULL, | |
31 | 0xcbc9466e58fee3ceULL, 0xab0200f58b01d137ULL, 0x93f5f5799a932462ULL, | |
32 | 0x9e0082df0ba9e4b0ULL, 0x7a5dbbc594ddb9f3ULL, 0xf4b32f46226bada7ULL, | |
33 | 0x751e8fbc860ee5fbULL, 0x14ea5627c0843d90ULL, 0xf723ca908e7af2eeULL, | |
34 | 0xa129ca6149be45e5ULL, 0x3f2acc7f57c29bdbULL, 0x699ae9f52cbe4794ULL, | |
35 | 0x4bc1b3f0968dd39cULL, 0xbb6dc91da77961bdULL, 0xbed65cf21aa2ee98ULL, | |
36 | 0xd0f2cbb02e3b67c7ULL, 0x93536795e3a33e88ULL, 0xa80c038ccd5ccec8ULL, | |
37 | 0xb8ad50c6f649af94ULL, 0xbce192de8a85b8eaULL, 0x17d835b85bbb15f3ULL, | |
38 | 0x2f2e6163076bcfadULL, 0xde4daaaca71dc9a5ULL, 0xa6a2506687956571ULL, | |
39 | 0xad87a3535c49ef28ULL, 0x32d892fad841c342ULL, 0x7127512f72f27cceULL, | |
40 | 0xa7f32346f95978e3ULL, 0x12e0b01abb051238ULL, 0x15e034d40fa197aeULL, | |
41 | 0x314dffbe0815a3b4ULL, 0x027990f029623981ULL, 0xcadcd4e59ef40c4dULL, | |
42 | 0x9abfd8766a33735cULL, 0x0e3ea96b5304a7d0ULL, 0xad0c42d6fc585992ULL, | |
43 | 0x187306c89bc215a9ULL, 0xd4a60abcf3792b95ULL, 0xf935451de4f21df2ULL, | |
44 | 0xa9538f0419755787ULL, 0xdb9acddff56ca510ULL, 0xd06c98cd5c0975ebULL, | |
45 | 0xe612a3cb9ecba951ULL, 0xc766e62cfcadaf96ULL, 0xee64435a9752fe72ULL, | |
46 | 0xa192d576b245165aULL, 0x0a8787bf8ecb74b2ULL, 0x81b3e73d20b49b6fULL, | |
47 | 0x7fa8220ba3b2eceaULL, 0x245731c13ca42499ULL, 0xb78dbfaf3a8d83bdULL, | |
48 | 0xea1ad565322a1a0bULL, 0x60e61c23a3795013ULL, 0x6606d7e446282b93ULL, | |
49 | 0x6ca4ecb15c5f91e1ULL, 0x9f626da15c9625f3ULL, 0xe51b38608ef25f57ULL, | |
50 | 0x958a324ceb064572ULL | |
51 | }; | |
52 | ||
53 | static int __init siphash_test_init(void) | |
54 | { | |
55 | u8 in[64] __aligned(SIPHASH_ALIGNMENT); | |
56 | u8 in_unaligned[65] __aligned(SIPHASH_ALIGNMENT); | |
57 | u8 i; | |
58 | int ret = 0; | |
59 | ||
60 | for (i = 0; i < 64; ++i) { | |
61 | in[i] = i; | |
62 | in_unaligned[i + 1] = i; | |
63 | if (siphash(in, i, &test_key_siphash) != | |
64 | test_vectors_siphash[i]) { | |
65 | pr_info("siphash self-test aligned %u: FAIL\n", i + 1); | |
66 | ret = -EINVAL; | |
67 | } | |
68 | if (siphash(in_unaligned + 1, i, &test_key_siphash) != | |
69 | test_vectors_siphash[i]) { | |
70 | pr_info("siphash self-test unaligned %u: FAIL\n", i + 1); | |
71 | ret = -EINVAL; | |
72 | } | |
73 | } | |
74 | if (siphash_1u64(0x0706050403020100ULL, &test_key_siphash) != | |
75 | test_vectors_siphash[8]) { | |
76 | pr_info("siphash self-test 1u64: FAIL\n"); | |
77 | ret = -EINVAL; | |
78 | } | |
79 | if (siphash_2u64(0x0706050403020100ULL, 0x0f0e0d0c0b0a0908ULL, | |
80 | &test_key_siphash) != test_vectors_siphash[16]) { | |
81 | pr_info("siphash self-test 2u64: FAIL\n"); | |
82 | ret = -EINVAL; | |
83 | } | |
84 | if (siphash_3u64(0x0706050403020100ULL, 0x0f0e0d0c0b0a0908ULL, | |
85 | 0x1716151413121110ULL, &test_key_siphash) != | |
86 | test_vectors_siphash[24]) { | |
87 | pr_info("siphash self-test 3u64: FAIL\n"); | |
88 | ret = -EINVAL; | |
89 | } | |
90 | if (siphash_4u64(0x0706050403020100ULL, 0x0f0e0d0c0b0a0908ULL, | |
91 | 0x1716151413121110ULL, 0x1f1e1d1c1b1a1918ULL, | |
92 | &test_key_siphash) != test_vectors_siphash[32]) { | |
93 | pr_info("siphash self-test 4u64: FAIL\n"); | |
94 | ret = -EINVAL; | |
95 | } | |
96 | if (siphash_1u32(0x03020100U, &test_key_siphash) != | |
97 | test_vectors_siphash[4]) { | |
98 | pr_info("siphash self-test 1u32: FAIL\n"); | |
99 | ret = -EINVAL; | |
100 | } | |
101 | if (siphash_2u32(0x03020100U, 0x07060504U, &test_key_siphash) != | |
102 | test_vectors_siphash[8]) { | |
103 | pr_info("siphash self-test 2u32: FAIL\n"); | |
104 | ret = -EINVAL; | |
105 | } | |
106 | if (siphash_3u32(0x03020100U, 0x07060504U, | |
107 | 0x0b0a0908U, &test_key_siphash) != | |
108 | test_vectors_siphash[12]) { | |
109 | pr_info("siphash self-test 3u32: FAIL\n"); | |
110 | ret = -EINVAL; | |
111 | } | |
112 | if (siphash_4u32(0x03020100U, 0x07060504U, | |
113 | 0x0b0a0908U, 0x0f0e0d0cU, &test_key_siphash) != | |
114 | test_vectors_siphash[16]) { | |
115 | pr_info("siphash self-test 4u32: FAIL\n"); | |
116 | ret = -EINVAL; | |
117 | } | |
118 | if (!ret) | |
119 | pr_info("self-tests: pass\n"); | |
120 | return ret; | |
121 | } | |
122 | ||
123 | static void __exit siphash_test_exit(void) | |
124 | { | |
125 | } | |
126 | ||
127 | module_init(siphash_test_init); | |
128 | module_exit(siphash_test_exit); | |
129 | ||
130 | MODULE_AUTHOR("Jason A. Donenfeld <Jason@zx2c4.com>"); | |
131 | MODULE_LICENSE("Dual BSD/GPL"); |