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Member "knot-2.8.3/tests/contrib/test_siphash.c" (16 Jul 2019, 5500 Bytes) of package /linux/misc/dns/knot-2.8.3.tar.xz:


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    1 /*  Copyright (C) 2018 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
    2 
    3     This program is free software: you can redistribute it and/or modify
    4     it under the terms of the GNU General Public License as published by
    5     the Free Software Foundation, either version 3 of the License, or
    6     (at your option) any later version.
    7 
    8     This program is distributed in the hope that it will be useful,
    9     but WITHOUT ANY WARRANTY; without even the implied warranty of
   10     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   11     GNU General Public License for more details.
   12 
   13     You should have received a copy of the GNU General Public License
   14     along with this program.  If not, see <https://www.gnu.org/licenses/>.
   15  */
   16 
   17 #include <string.h>
   18 #include <tap/basic.h>
   19 
   20 // Prevent possible linking with a system SiphHash (OpenBSD).
   21 #include "contrib/openbsd/siphash.c"
   22 
   23 // https://github.com/veorq/SipHash
   24 const uint8_t vectors24[64][8] = {
   25     { 0x31, 0x0e, 0x0e, 0xdd, 0x47, 0xdb, 0x6f, 0x72 },
   26     { 0xfd, 0x67, 0xdc, 0x93, 0xc5, 0x39, 0xf8, 0x74 },
   27     { 0x5a, 0x4f, 0xa9, 0xd9, 0x09, 0x80, 0x6c, 0x0d },
   28     { 0x2d, 0x7e, 0xfb, 0xd7, 0x96, 0x66, 0x67, 0x85 },
   29     { 0xb7, 0x87, 0x71, 0x27, 0xe0, 0x94, 0x27, 0xcf },
   30     { 0x8d, 0xa6, 0x99, 0xcd, 0x64, 0x55, 0x76, 0x18 },
   31     { 0xce, 0xe3, 0xfe, 0x58, 0x6e, 0x46, 0xc9, 0xcb },
   32     { 0x37, 0xd1, 0x01, 0x8b, 0xf5, 0x00, 0x02, 0xab },
   33     { 0x62, 0x24, 0x93, 0x9a, 0x79, 0xf5, 0xf5, 0x93 },
   34     { 0xb0, 0xe4, 0xa9, 0x0b, 0xdf, 0x82, 0x00, 0x9e },
   35     { 0xf3, 0xb9, 0xdd, 0x94, 0xc5, 0xbb, 0x5d, 0x7a },
   36     { 0xa7, 0xad, 0x6b, 0x22, 0x46, 0x2f, 0xb3, 0xf4 },
   37     { 0xfb, 0xe5, 0x0e, 0x86, 0xbc, 0x8f, 0x1e, 0x75 },
   38     { 0x90, 0x3d, 0x84, 0xc0, 0x27, 0x56, 0xea, 0x14 },
   39     { 0xee, 0xf2, 0x7a, 0x8e, 0x90, 0xca, 0x23, 0xf7 },
   40     { 0xe5, 0x45, 0xbe, 0x49, 0x61, 0xca, 0x29, 0xa1 },
   41     { 0xdb, 0x9b, 0xc2, 0x57, 0x7f, 0xcc, 0x2a, 0x3f },
   42     { 0x94, 0x47, 0xbe, 0x2c, 0xf5, 0xe9, 0x9a, 0x69 },
   43     { 0x9c, 0xd3, 0x8d, 0x96, 0xf0, 0xb3, 0xc1, 0x4b },
   44     { 0xbd, 0x61, 0x79, 0xa7, 0x1d, 0xc9, 0x6d, 0xbb },
   45     { 0x98, 0xee, 0xa2, 0x1a, 0xf2, 0x5c, 0xd6, 0xbe },
   46     { 0xc7, 0x67, 0x3b, 0x2e, 0xb0, 0xcb, 0xf2, 0xd0 },
   47     { 0x88, 0x3e, 0xa3, 0xe3, 0x95, 0x67, 0x53, 0x93 },
   48     { 0xc8, 0xce, 0x5c, 0xcd, 0x8c, 0x03, 0x0c, 0xa8 },
   49     { 0x94, 0xaf, 0x49, 0xf6, 0xc6, 0x50, 0xad, 0xb8 },
   50     { 0xea, 0xb8, 0x85, 0x8a, 0xde, 0x92, 0xe1, 0xbc },
   51     { 0xf3, 0x15, 0xbb, 0x5b, 0xb8, 0x35, 0xd8, 0x17 },
   52     { 0xad, 0xcf, 0x6b, 0x07, 0x63, 0x61, 0x2e, 0x2f },
   53     { 0xa5, 0xc9, 0x1d, 0xa7, 0xac, 0xaa, 0x4d, 0xde },
   54     { 0x71, 0x65, 0x95, 0x87, 0x66, 0x50, 0xa2, 0xa6 },
   55     { 0x28, 0xef, 0x49, 0x5c, 0x53, 0xa3, 0x87, 0xad },
   56     { 0x42, 0xc3, 0x41, 0xd8, 0xfa, 0x92, 0xd8, 0x32 },
   57     { 0xce, 0x7c, 0xf2, 0x72, 0x2f, 0x51, 0x27, 0x71 },
   58     { 0xe3, 0x78, 0x59, 0xf9, 0x46, 0x23, 0xf3, 0xa7 },
   59     { 0x38, 0x12, 0x05, 0xbb, 0x1a, 0xb0, 0xe0, 0x12 },
   60     { 0xae, 0x97, 0xa1, 0x0f, 0xd4, 0x34, 0xe0, 0x15 },
   61     { 0xb4, 0xa3, 0x15, 0x08, 0xbe, 0xff, 0x4d, 0x31 },
   62     { 0x81, 0x39, 0x62, 0x29, 0xf0, 0x90, 0x79, 0x02 },
   63     { 0x4d, 0x0c, 0xf4, 0x9e, 0xe5, 0xd4, 0xdc, 0xca },
   64     { 0x5c, 0x73, 0x33, 0x6a, 0x76, 0xd8, 0xbf, 0x9a },
   65     { 0xd0, 0xa7, 0x04, 0x53, 0x6b, 0xa9, 0x3e, 0x0e },
   66     { 0x92, 0x59, 0x58, 0xfc, 0xd6, 0x42, 0x0c, 0xad },
   67     { 0xa9, 0x15, 0xc2, 0x9b, 0xc8, 0x06, 0x73, 0x18 },
   68     { 0x95, 0x2b, 0x79, 0xf3, 0xbc, 0x0a, 0xa6, 0xd4 },
   69     { 0xf2, 0x1d, 0xf2, 0xe4, 0x1d, 0x45, 0x35, 0xf9 },
   70     { 0x87, 0x57, 0x75, 0x19, 0x04, 0x8f, 0x53, 0xa9 },
   71     { 0x10, 0xa5, 0x6c, 0xf5, 0xdf, 0xcd, 0x9a, 0xdb },
   72     { 0xeb, 0x75, 0x09, 0x5c, 0xcd, 0x98, 0x6c, 0xd0 },
   73     { 0x51, 0xa9, 0xcb, 0x9e, 0xcb, 0xa3, 0x12, 0xe6 },
   74     { 0x96, 0xaf, 0xad, 0xfc, 0x2c, 0xe6, 0x66, 0xc7 },
   75     { 0x72, 0xfe, 0x52, 0x97, 0x5a, 0x43, 0x64, 0xee },
   76     { 0x5a, 0x16, 0x45, 0xb2, 0x76, 0xd5, 0x92, 0xa1 },
   77     { 0xb2, 0x74, 0xcb, 0x8e, 0xbf, 0x87, 0x87, 0x0a },
   78     { 0x6f, 0x9b, 0xb4, 0x20, 0x3d, 0xe7, 0xb3, 0x81 },
   79     { 0xea, 0xec, 0xb2, 0xa3, 0x0b, 0x22, 0xa8, 0x7f },
   80     { 0x99, 0x24, 0xa4, 0x3c, 0xc1, 0x31, 0x57, 0x24 },
   81     { 0xbd, 0x83, 0x8d, 0x3a, 0xaf, 0xbf, 0x8d, 0xb7 },
   82     { 0x0b, 0x1a, 0x2a, 0x32, 0x65, 0xd5, 0x1a, 0xea },
   83     { 0x13, 0x50, 0x79, 0xa3, 0x23, 0x1c, 0xe6, 0x60 },
   84     { 0x93, 0x2b, 0x28, 0x46, 0xe4, 0xd7, 0x06, 0x66 },
   85     { 0xe1, 0x91, 0x5f, 0x5c, 0xb1, 0xec, 0xa4, 0x6c },
   86     { 0xf3, 0x25, 0x96, 0x5c, 0xa1, 0x6d, 0x62, 0x9f },
   87     { 0x57, 0x5f, 0xf2, 0x8e, 0x60, 0x38, 0x1b, 0xe5 },
   88     { 0x72, 0x45, 0x06, 0xeb, 0x4c, 0x32, 0x8a, 0x95 },
   89 };
   90 
   91 static void block_test(SIPHASH_KEY *key, uint8_t *data, int data_len, int block_len)
   92 {
   93     int count = data_len / block_len;
   94     int rest = data_len % block_len;
   95 
   96     SIPHASH_CTX ctx;
   97     SipHash24_Init(&ctx, key);
   98 
   99     for (int i = 0; i < count; i++) {
  100         SipHash24_Update(&ctx, data + i * block_len, block_len);
  101     }
  102     SipHash24_Update(&ctx, data + count * block_len, rest);
  103 
  104     uint64_t hash = SipHash24_End(&ctx);
  105     ok(memcmp(&hash, vectors24[data_len], sizeof(uint64_t)) == 0,
  106        "siphash24: %i-byte block updates", block_len);
  107 }
  108 
  109 int main(void)
  110 {
  111     plan_lazy();
  112 
  113     SIPHASH_KEY key;
  114     memcpy(&key.k0, "\x00\x01\x02\x03\x04\x05\x06\x07", sizeof(uint64_t));
  115     memcpy(&key.k1, "\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f", sizeof(uint64_t));
  116 
  117     uint8_t data[64];
  118     for (int i = 0; i < sizeof(data); i++) {
  119         data[i] = i;
  120     }
  121 
  122     for (int data_len = 0; data_len < sizeof(data); data_len++) {
  123         diag("data length %i", data_len);
  124 
  125         uint64_t hash = SipHash24(&key, data, data_len);
  126         ok(memcmp(&hash, vectors24[data_len], sizeof(uint64_t)) == 0,
  127            "siphash24: 1-block update");
  128 
  129         for (int block_len = 1; block_len <= 8; block_len++) {
  130             block_test(&key, data, data_len, block_len);
  131         }
  132     }
  133 
  134     return 0;
  135 }