mirror of
https://github.com/boostorg/hash2.git
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84 lines
2.9 KiB
C++
84 lines
2.9 KiB
C++
// Copyright 2024 Christian Mazakas
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// Distributed under the Boost Software License, Version 1.0.
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// https://www.boost.org/LICENSE_1_0.txt
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#include <boost/hash2/sha2.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <boost/config.hpp>
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#include <array>
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#if defined(BOOST_MSVC) && BOOST_MSVC < 1920
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# pragma warning(disable: 4307) // integral constant overflow
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#endif
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#define STATIC_ASSERT(...) static_assert(__VA_ARGS__, #__VA_ARGS__)
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#if defined(BOOST_NO_CXX14_CONSTEXPR)
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# define TEST_EQ(x1, x2) BOOST_TEST_EQ(x1, x2)
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#else
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# define TEST_EQ(x1, x2) BOOST_TEST_EQ(x1, x2); STATIC_ASSERT(x1 == x2)
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#endif
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BOOST_CXX14_CONSTEXPR unsigned char to_byte( char c )
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{
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if (c >= '0' && c <= '9') return c - '0';
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if (c >= 'a' && c <= 'f') return c - 'a' + 10;
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if (c >= 'A' && c <= 'F') return c - 'A' + 10;
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return 0xff;
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}
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template<std::size_t N, std::size_t M = ( N - 1 ) / 2>
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BOOST_CXX14_CONSTEXPR boost::hash2::digest<M> digest_from_hex( char const (&str)[ N ] )
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{
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boost::hash2::digest<M> dgst = {};
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auto* p = dgst.data();
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for( unsigned i = 0; i < M; ++i ) {
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auto c1 = to_byte( str[ 2 * i ] );
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auto c2 = to_byte( str[ 2 * i + 1 ] );
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p[ i ] = ( c1 << 4 ) | c2;
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}
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return dgst;
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}
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int main()
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{
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using namespace boost::hash2;
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BOOST_CXX14_CONSTEXPR digest<32> r1 = digest_from_hex( "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855" );
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BOOST_CXX14_CONSTEXPR digest<28> r2 = digest_from_hex( "d14a028c2a3a2bc9476102bb288234c415a2b01f828ea62ac5b3e42f" );
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BOOST_CXX14_CONSTEXPR digest<64> r3 = digest_from_hex( "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e" );
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BOOST_CXX14_CONSTEXPR digest<48> r4 = digest_from_hex( "38b060a751ac96384cd9327eb1b1e36a21fdb71114be07434c0cc7bf63f6e1da274edebfe76f65fbd51ad2f14898b95b" );
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BOOST_CXX14_CONSTEXPR digest<28> r5 = digest_from_hex( "6ed0dd02806fa89e25de060c19d3ac86cabb87d6a0ddd05c333b84f4" );
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BOOST_CXX14_CONSTEXPR digest<32> r6 = digest_from_hex( "c672b8d1ef56ed28ab87c3622c5114069bdd3ad7b8f9737498d0c01ecef0967a" );
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TEST_EQ( sha2_256().result(), r1 );
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TEST_EQ( sha2_256(0).result(), r1 );
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TEST_EQ( sha2_256(nullptr, 0).result(), r1 );
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TEST_EQ( sha2_224().result(), r2 );
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TEST_EQ( sha2_224(0).result(), r2 );
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TEST_EQ( sha2_224(nullptr, 0).result(), r2 );
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TEST_EQ( sha2_512().result(), r3 );
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TEST_EQ( sha2_512(0).result(), r3 );
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TEST_EQ( sha2_512(nullptr, 0).result(), r3 );
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TEST_EQ( sha2_384().result(), r4 );
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TEST_EQ( sha2_384(0).result(), r4 );
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TEST_EQ( sha2_384(nullptr, 0).result(), r4 );
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TEST_EQ( sha2_512_224().result(), r5 );
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TEST_EQ( sha2_512_224(0).result(), r5 );
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TEST_EQ( sha2_512_224(nullptr, 0).result(), r5 );
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TEST_EQ( sha2_512_256().result(), r6 );
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TEST_EQ( sha2_512_256(0).result(), r6 );
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TEST_EQ( sha2_512_256(nullptr, 0).result(), r6 );
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return boost::report_errors();
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}
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