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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.c5 *6 * SipHash: a fast short-input PRF7 * https://131002.net/siphash/8 *9 * This implementation is specifically for SipHash2-4 for a secure PRF10 * and HalfSipHash1-3/SipHash1-3 for an insecure PRF only suitable for11 * hashtables.12 */13 14#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt15 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/SipHash25 */26 27static const siphash_key_t test_key_siphash =28 {{ 0x0706050403020100ULL, 0x0f0e0d0c0b0a0908ULL }};29 30static 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 0x958a324ceb064572ULL53};54 55#if BITS_PER_LONG == 6456static const hsiphash_key_t test_key_hsiphash =57 {{ 0x0706050403020100ULL, 0x0f0e0d0c0b0a0908ULL }};58 59static 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 0xb7bbb3a8U82};83#else84static const hsiphash_key_t test_key_hsiphash =85 {{ 0x03020100U, 0x07060504U }};86 87static 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 0x87178304U110};111#endif112 113#define chk(hash, vector, fmt...) \114 KUNIT_EXPECT_EQ_MSG(test, hash, vector, fmt)115 116static 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 184static struct kunit_case siphash_test_cases[] = {185 KUNIT_CASE(siphash_test),186 {}187};188 189static struct kunit_suite siphash_test_suite = {190 .name = "siphash",191 .test_cases = siphash_test_cases,192};193 194kunit_test_suite(siphash_test_suite);195 196MODULE_AUTHOR("Jason A. Donenfeld <Jason@zx2c4.com>");197MODULE_DESCRIPTION("Test cases for siphash.c");198MODULE_LICENSE("Dual BSD/GPL");199