1 /* Test cases for siphash.c
3 * Copyright (C) 2016 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
5 * This file is provided under a dual BSD/GPLv2 license.
7 * SipHash: a fast short-input PRF
8 * https://131002.net/siphash/
10 * This implementation is specifically for SipHash2-4.
13 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
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>
21 /* Test vectors taken from official reference source available at:
22 * https://131002.net/siphash/siphash24.c
25 static const siphash_key_t test_key_siphash
=
26 {{ 0x0706050403020100ULL
, 0x0f0e0d0c0b0a0908ULL
}};
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
,
53 static int __init
siphash_test_init(void)
55 u8 in
[64] __aligned(SIPHASH_ALIGNMENT
);
56 u8 in_unaligned
[65] __aligned(SIPHASH_ALIGNMENT
);
60 for (i
= 0; i
< 64; ++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);
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);
74 if (siphash_1u64(0x0706050403020100ULL
, &test_key_siphash
) !=
75 test_vectors_siphash
[8]) {
76 pr_info("siphash self-test 1u64: FAIL\n");
79 if (siphash_2u64(0x0706050403020100ULL
, 0x0f0e0d0c0b0a0908ULL
,
80 &test_key_siphash
) != test_vectors_siphash
[16]) {
81 pr_info("siphash self-test 2u64: FAIL\n");
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");
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");
96 if (siphash_1u32(0x03020100U
, &test_key_siphash
) !=
97 test_vectors_siphash
[4]) {
98 pr_info("siphash self-test 1u32: FAIL\n");
101 if (siphash_2u32(0x03020100U
, 0x07060504U
, &test_key_siphash
) !=
102 test_vectors_siphash
[8]) {
103 pr_info("siphash self-test 2u32: FAIL\n");
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");
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");
119 pr_info("self-tests: pass\n");
123 static void __exit
siphash_test_exit(void)
127 module_init(siphash_test_init
);
128 module_exit(siphash_test_exit
);
130 MODULE_AUTHOR("Jason A. Donenfeld <Jason@zx2c4.com>");
131 MODULE_LICENSE("Dual BSD/GPL");