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https://github.com/arvidn/libtorrent.git
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arvidn
148 lines
3.4 KiB
C++
148 lines
3.4 KiB
C++
/*
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Copyright (c) 2005, 2008-2009, 2015, 2017-2021, Arvid Norberg
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Copyright (c) 2016, Alden Torres
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Copyright (c) 2016, Pavel Pimenov
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Copyright (c) 2017, Steven Siloti
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Copyright (c) 2021, Mike Tzou
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All rights reserved.
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You may use, distribute and modify this code under the terms of the BSD license,
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see LICENSE file.
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*/
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#include "libtorrent/hasher.hpp"
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#include "libtorrent/hex.hpp"
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#include "test.hpp"
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#include <iostream>
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using namespace lt;
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namespace
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{
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// test vectors from RFC 3174
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// http://www.faqs.org/rfcs/rfc3174.html
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struct test_vector_t
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{
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string_view input;
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int repetitions;
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string_view hex_output;
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};
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std::array<test_vector_t, 4> sha1_vectors = {{
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{"abc", 1, "A9993E364706816ABA3E25717850C26C9CD0D89D"},
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{"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq", 1, "84983E441C3BD26EBAAE4AA1F95129E5E54670F1"},
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{"a", 1000000, "34AA973CD4C4DAA4F61EEB2BDBAD27316534016F"},
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{"0123456701234567012345670123456701234567012345670123456701234567", 10, "DEA356A2CDDD90C7A7ECEDC5EBB563934F460452"}
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}};
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// https://www.dlitz.net/crypto/shad256-test-vectors/
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std::array<test_vector_t, 3> sha256_vectors = {{
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{"abc", 1, "ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"},
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{"\xde\x18\x89\x41\xa3\x37\x5d\x3a\x8a\x06\x1e\x67\x57\x6e\x92\x6d", 1, "067c531269735ca7f541fdaca8f0dc76305d3cada140f89372a410fe5eff6e4d"},
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{"a", 1000000, "cdc76e5c9914fb9281a1c7e284d73e67f1809a48a497200e046d39ccc7112cd0"},
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}};
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void test_vector(string_view s, string_view output, int const n = 1)
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{
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hasher h;
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for (int i = 0; i < n; i++)
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h.update(s);
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std::string const digest = h.final().to_string();
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std::string const digest_hex = aux::to_hex(digest);
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TEST_EQUAL(digest_hex, output);
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std::string output_hex = digest_hex;
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aux::to_hex(digest, &output_hex[0]);
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TEST_EQUAL(output_hex, digest_hex);
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}
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template<typename T>
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void test_move(string_view const input)
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{
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std::string const digest = T(input).final().to_string();
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T tmp1(input);
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T h1(std::move(tmp1));
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TEST_EQUAL(h1.final().to_string(), digest);
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T tmp2(input);
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T h2 = std::move(tmp2);
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TEST_EQUAL(h2.final().to_string(), digest);
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}
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}
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TORRENT_TEST(hasher)
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{
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for (auto const& t : sha1_vectors)
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{
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hasher h;
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for (int i = 0; i < t.repetitions; ++i)
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h.update(t.input.data(), int(t.input.size()));
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sha1_hash result;
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aux::from_hex(t.hex_output, result.data());
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TEST_CHECK(result == h.final());
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}
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}
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TORRENT_TEST(hasher_move)
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{
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test_move<hasher>("abc");
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}
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// http://www.di-mgt.com.au/sha_testvectors.html
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TORRENT_TEST(hasher_test_vec1)
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{
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test_vector(
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"abc"
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, "a9993e364706816aba3e25717850c26c9cd0d89d"
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);
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test_vector(
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"abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
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, "84983e441c3bd26ebaae4aa1f95129e5e54670f1"
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);
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test_vector(
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"abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhi"
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"jklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu"
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, "a49b2446a02c645bf419f995b67091253a04a259"
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);
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test_vector(
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"a"
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, "34aa973cd4c4daa4f61eeb2bdbad27316534016f"
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, 1000000
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);
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test_vector(
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"abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmno"
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, "7789f0c9ef7bfc40d93311143dfbe69e2017f592"
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, 16777216
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);
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}
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TORRENT_TEST(hasher256)
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{
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for (auto const& t : sha256_vectors)
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{
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hasher256 h;
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for (int i = 0; i < t.repetitions; ++i)
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h.update(t.input.data(), int(t.input.size()));
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TEST_EQUAL(t.hex_output, aux::to_hex(h.final()));
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}
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}
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TORRENT_TEST(hasher256_move)
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{
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test_move<hasher256>("abc");
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}
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