129 lines
5.3 KiB
C++
129 lines
5.3 KiB
C++
// Copyright (c) 2013 The Bitcoin Core developers
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// Copyright (c) 2019-2023 The Zcash developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or https://www.opensource.org/licenses/mit-license.php .
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#include "hash.h"
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#include "util/strencodings.h"
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#include "test/test_bitcoin.h"
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#include <vector>
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#include <boost/test/unit_test.hpp>
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using namespace std;
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BOOST_FIXTURE_TEST_SUITE(hash_tests, BasicTestingSetup)
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BOOST_AUTO_TEST_CASE(murmurhash3)
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{
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#define T(expected, seed, data) BOOST_CHECK_EQUAL(MurmurHash3(seed, ParseHex(data)), expected)
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// Test MurmurHash3 with various inputs. Of course this is retested in the
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// bloom filter tests - they would fail if MurmurHash3() had any problems -
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// but is useful for those trying to implement Bitcoin libraries as a
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// source of test data for their MurmurHash3() primitive during
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// development.
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//
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// The magic number 0xFBA4C795 comes from CBloomFilter::Hash()
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T(0x00000000, 0x00000000, "");
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T(0x6a396f08, 0xFBA4C795, "");
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T(0x81f16f39, 0xffffffff, "");
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T(0x514e28b7, 0x00000000, "00");
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T(0xea3f0b17, 0xFBA4C795, "00");
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T(0xfd6cf10d, 0x00000000, "ff");
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T(0x16c6b7ab, 0x00000000, "0011");
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T(0x8eb51c3d, 0x00000000, "001122");
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T(0xb4471bf8, 0x00000000, "00112233");
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T(0xe2301fa8, 0x00000000, "0011223344");
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T(0xfc2e4a15, 0x00000000, "001122334455");
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T(0xb074502c, 0x00000000, "00112233445566");
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T(0x8034d2a0, 0x00000000, "0011223344556677");
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T(0xb4698def, 0x00000000, "001122334455667788");
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#undef T
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}
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/*
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SipHash-2-4 output with
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k = 00 01 02 ...
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and
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in = (empty string)
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in = 00 (1 byte)
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in = 00 01 (2 bytes)
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in = 00 01 02 (3 bytes)
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...
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in = 00 01 02 ... 3e (63 bytes)
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from: https://131002.net/siphash/siphash24.c
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*/
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uint64_t siphash_4_2_testvec[] = {
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0x726fdb47dd0e0e31, 0x74f839c593dc67fd, 0x0d6c8009d9a94f5a, 0x85676696d7fb7e2d,
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0xcf2794e0277187b7, 0x18765564cd99a68d, 0xcbc9466e58fee3ce, 0xab0200f58b01d137,
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0x93f5f5799a932462, 0x9e0082df0ba9e4b0, 0x7a5dbbc594ddb9f3, 0xf4b32f46226bada7,
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0x751e8fbc860ee5fb, 0x14ea5627c0843d90, 0xf723ca908e7af2ee, 0xa129ca6149be45e5,
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0x3f2acc7f57c29bdb, 0x699ae9f52cbe4794, 0x4bc1b3f0968dd39c, 0xbb6dc91da77961bd,
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0xbed65cf21aa2ee98, 0xd0f2cbb02e3b67c7, 0x93536795e3a33e88, 0xa80c038ccd5ccec8,
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0xb8ad50c6f649af94, 0xbce192de8a85b8ea, 0x17d835b85bbb15f3, 0x2f2e6163076bcfad,
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0xde4daaaca71dc9a5, 0xa6a2506687956571, 0xad87a3535c49ef28, 0x32d892fad841c342,
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0x7127512f72f27cce, 0xa7f32346f95978e3, 0x12e0b01abb051238, 0x15e034d40fa197ae,
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0x314dffbe0815a3b4, 0x027990f029623981, 0xcadcd4e59ef40c4d, 0x9abfd8766a33735c,
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0x0e3ea96b5304a7d0, 0xad0c42d6fc585992, 0x187306c89bc215a9, 0xd4a60abcf3792b95,
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0xf935451de4f21df2, 0xa9538f0419755787, 0xdb9acddff56ca510, 0xd06c98cd5c0975eb,
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0xe612a3cb9ecba951, 0xc766e62cfcadaf96, 0xee64435a9752fe72, 0xa192d576b245165a,
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0x0a8787bf8ecb74b2, 0x81b3e73d20b49b6f, 0x7fa8220ba3b2ecea, 0x245731c13ca42499,
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0xb78dbfaf3a8d83bd, 0xea1ad565322a1a0b, 0x60e61c23a3795013, 0x6606d7e446282b93,
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0x6ca4ecb15c5f91e1, 0x9f626da15c9625f3, 0xe51b38608ef25f57, 0x958a324ceb064572
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};
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BOOST_AUTO_TEST_CASE(siphash)
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{
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CSipHasher hasher(0x0706050403020100ULL, 0x0F0E0D0C0B0A0908ULL);
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BOOST_CHECK_EQUAL(hasher.Finalize(), 0x726fdb47dd0e0e31ull);
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static const unsigned char t0[1] = {0};
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hasher.Write(t0, 1);
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BOOST_CHECK_EQUAL(hasher.Finalize(), 0x74f839c593dc67fdull);
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static const unsigned char t1[7] = {1,2,3,4,5,6,7};
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hasher.Write(t1, 7);
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BOOST_CHECK_EQUAL(hasher.Finalize(), 0x93f5f5799a932462ull);
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hasher.Write(0x0F0E0D0C0B0A0908ULL);
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BOOST_CHECK_EQUAL(hasher.Finalize(), 0x3f2acc7f57c29bdbull);
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static const unsigned char t2[2] = {16,17};
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hasher.Write(t2, 2);
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BOOST_CHECK_EQUAL(hasher.Finalize(), 0x4bc1b3f0968dd39cull);
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static const unsigned char t3[9] = {18,19,20,21,22,23,24,25,26};
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hasher.Write(t3, 9);
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BOOST_CHECK_EQUAL(hasher.Finalize(), 0x2f2e6163076bcfadull);
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static const unsigned char t4[5] = {27,28,29,30,31};
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hasher.Write(t4, 5);
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BOOST_CHECK_EQUAL(hasher.Finalize(), 0x7127512f72f27cceull);
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hasher.Write(0x2726252423222120ULL);
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BOOST_CHECK_EQUAL(hasher.Finalize(), 0x0e3ea96b5304a7d0ull);
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hasher.Write(0x2F2E2D2C2B2A2928ULL);
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BOOST_CHECK_EQUAL(hasher.Finalize(), 0xe612a3cb9ecba951ull);
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BOOST_CHECK_EQUAL(SipHashUint256(0x0706050403020100ULL, 0x0F0E0D0C0B0A0908ULL, uint256S("1f1e1d1c1b1a191817161514131211100f0e0d0c0b0a09080706050403020100")), 0x7127512f72f27cceull);
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// Check test vectors from spec, one byte at a time
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CSipHasher hasher2(0x0706050403020100ULL, 0x0F0E0D0C0B0A0908ULL);
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for (uint8_t x=0; x<ARRAYLEN(siphash_4_2_testvec); ++x)
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{
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BOOST_CHECK_EQUAL(hasher2.Finalize(), siphash_4_2_testvec[x]);
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hasher2.Write(&x, 1);
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}
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// Check test vectors from spec, eight bytes at a time
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CSipHasher hasher3(0x0706050403020100ULL, 0x0F0E0D0C0B0A0908ULL);
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for (uint8_t x=0; x<ARRAYLEN(siphash_4_2_testvec); x+=8)
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{
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BOOST_CHECK_EQUAL(hasher3.Finalize(), siphash_4_2_testvec[x]);
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hasher3.Write(uint64_t(x)|(uint64_t(x+1)<<8)|(uint64_t(x+2)<<16)|(uint64_t(x+3)<<24)|
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(uint64_t(x+4)<<32)|(uint64_t(x+5)<<40)|(uint64_t(x+6)<<48)|(uint64_t(x+7)<<56));
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}
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}
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BOOST_AUTO_TEST_SUITE_END()
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