Implemented HMAC template + test
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Peter Conrad
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088dadd124
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2 changed files with 186 additions and 0 deletions
68
include/fc/crypto/hmac.hpp
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68
include/fc/crypto/hmac.hpp
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/*
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* File: hmac.hpp
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* Author: Peter Conrad
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*
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* Created on 1. Juli 2015, 21:48
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*/
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#ifndef HMAC_HPP
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#define HMAC_HPP
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#include <fc/crypto/sha224.hpp>
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#include <fc/crypto/sha256.hpp>
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#include <fc/crypto/sha512.hpp>
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namespace fc {
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template<typename H>
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class hmac
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{
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public:
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hmac() {}
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H digest( const char* c, uint32_t c_len, const char* d, uint32_t d_len )
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{
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encoder.reset();
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add_key(c, c_len, 0x36);
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encoder.write( d, d_len );
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H intermediate = encoder.result();
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encoder.reset();
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add_key(c, c_len, 0x5c);
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encoder.write( intermediate.data(), intermediate.data_size() );
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return encoder.result();
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}
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private:
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void add_key( const char* c, const uint32_t c_len, char pad )
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{
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if ( c_len > internal_block_size() )
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{
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H hash = H::hash( c, c_len );
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add_key( hash.data(), hash.data_size(), pad );
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}
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else
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for (unsigned int i = 0; i < internal_block_size(); i++ )
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{
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encoder.put( pad ^ ((i < c_len) ? *c++ : 0) );
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}
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}
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unsigned int internal_block_size() const;
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H dummy;
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typename H::encoder encoder;
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};
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template<>
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unsigned int hmac<sha224>::internal_block_size() const { return 64; }
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template<>
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unsigned int hmac<sha256>::internal_block_size() const { return 64; }
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template<>
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unsigned int hmac<sha512>::internal_block_size() const { return 128; }
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}
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#endif /* HMAC_HPP */
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118
tests/hmac_test.cpp
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118
tests/hmac_test.cpp
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#define BOOST_TEST_MODULE HmacTest
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#include <boost/test/unit_test.hpp>
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#include <fc/array.hpp>
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#include <fc/crypto/hex.hpp>
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#include <fc/crypto/hmac.hpp>
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#include <fc/crypto/sha224.hpp>
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#include <fc/crypto/sha256.hpp>
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#include <fc/crypto/sha512.hpp>
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// See http://tools.ietf.org/html/rfc4231
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static const fc::string TEST1_KEY = "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b";
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static const fc::string TEST1_DATA = "4869205468657265";
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static const fc::string TEST1_224 = "896fb1128abbdf196832107cd49df33f47b4b1169912ba4f53684b22";
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static const fc::string TEST1_256 = "b0344c61d8db38535ca8afceaf0bf12b881dc200c9833da726e9376c2e32cff7";
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static const fc::string TEST1_512 = "87aa7cdea5ef619d4ff0b4241a1d6cb02379f4e2ce4ec2787ad0b30545e17cde"
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"daa833b7d6b8a702038b274eaea3f4e4be9d914eeb61f1702e696c203a126854";
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static const fc::string TEST2_KEY = "4a656665";
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static const fc::string TEST2_DATA = "7768617420646f2079612077616e7420666f72206e6f7468696e673f";
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static const fc::string TEST2_224 = "a30e01098bc6dbbf45690f3a7e9e6d0f8bbea2a39e6148008fd05e44";
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static const fc::string TEST2_256 = "5bdcc146bf60754e6a042426089575c75a003f089d2739839dec58b964ec3843";
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static const fc::string TEST2_512 = "164b7a7bfcf819e2e395fbe73b56e0a387bd64222e831fd610270cd7ea250554"
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"9758bf75c05a994a6d034f65f8f0e6fdcaeab1a34d4a6b4b636e070a38bce737";
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static const fc::string TEST3_KEY = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa";
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static const fc::string TEST3_DATA = "dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd"
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"dddddddddddddddddddddddddddddddddddd";
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static const fc::string TEST3_224 = "7fb3cb3588c6c1f6ffa9694d7d6ad2649365b0c1f65d69d1ec8333ea";
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static const fc::string TEST3_256 = "773ea91e36800e46854db8ebd09181a72959098b3ef8c122d9635514ced565fe";
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static const fc::string TEST3_512 = "fa73b0089d56a284efb0f0756c890be9b1b5dbdd8ee81a3655f83e33b2279d39"
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"bf3e848279a722c806b485a47e67c807b946a337bee8942674278859e13292fb";
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static const fc::string TEST4_KEY = "0102030405060708090a0b0c0d0e0f10111213141516171819";
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static const fc::string TEST4_DATA = "cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd"
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"cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd";
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static const fc::string TEST4_224 = "6c11506874013cac6a2abc1bb382627cec6a90d86efc012de7afec5a";
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static const fc::string TEST4_256 = "82558a389a443c0ea4cc819899f2083a85f0faa3e578f8077a2e3ff46729665b";
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static const fc::string TEST4_512 = "b0ba465637458c6990e5a8c5f61d4af7e576d97ff94b872de76f8050361ee3db"
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"a91ca5c11aa25eb4d679275cc5788063a5f19741120c4f2de2adebeb10a298dd";
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// test 5 skipped - truncated
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static const fc::string TEST6_KEY = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaa";
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static const fc::string TEST6_DATA = "54657374205573696e67204c6172676572205468616e20426c6f636b2d53697a"
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"65204b6579202d2048617368204b6579204669727374";
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static const fc::string TEST6_224 = "95e9a0db962095adaebe9b2d6f0dbce2d499f112f2d2b7273fa6870e";
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static const fc::string TEST6_256 = "60e431591ee0b67f0d8a26aacbf5b77f8e0bc6213728c5140546040f0ee37f54";
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static const fc::string TEST6_512 = "80b24263c7c1a3ebb71493c1dd7be8b49b46d1f41b4aeec1121b013783f8f352"
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"6b56d037e05f2598bd0fd2215d6a1e5295e64f73f63f0aec8b915a985d786598";
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static const fc::string TEST7_KEY = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaa";
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static const fc::string TEST7_DATA = "5468697320697320612074657374207573696e672061206c6172676572207468"
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"616e20626c6f636b2d73697a65206b657920616e642061206c61726765722074"
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"68616e20626c6f636b2d73697a6520646174612e20546865206b6579206e6565"
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"647320746f20626520686173686564206265666f7265206265696e6720757365"
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"642062792074686520484d414320616c676f726974686d2e";
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static const fc::string TEST7_224 = "3a854166ac5d9f023f54d517d0b39dbd946770db9c2b95c9f6f565d1";
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static const fc::string TEST7_256 = "9b09ffa71b942fcb27635fbcd5b0e944bfdc63644f0713938a7f51535c3a35e2";
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static const fc::string TEST7_512 = "e37b6a775dc87dbaa4dfa9f96e5e3ffddebd71f8867289865df5a32d20cdc944"
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"b6022cac3c4982b10d5eeb55c3e4de15134676fb6de0446065c97440fa8c6a58";
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static fc::hmac<fc::sha224> mac_224;
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static fc::hmac<fc::sha256> mac_256;
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static fc::hmac<fc::sha512> mac_512;
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template<int N,int M>
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static void run_test( const fc::string& key, const fc::string& data, const fc::string& expect_224,
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const fc::string& expect_256, const fc::string& expect_512 )
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{
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fc::array<char,N> key_arr;
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BOOST_CHECK_EQUAL( fc::from_hex( key, key_arr.begin(), key_arr.size() ), N );
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fc::array<char,M> data_arr;
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BOOST_CHECK_EQUAL( fc::from_hex( data, data_arr.begin(), data_arr.size() ), M );
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BOOST_CHECK_EQUAL( mac_224.digest( key_arr.begin(), N, data_arr.begin(), M ).str(), expect_224 );
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BOOST_CHECK_EQUAL( mac_256.digest( key_arr.begin(), N, data_arr.begin(), M ).str(), expect_256 );
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BOOST_CHECK_EQUAL( mac_512.digest( key_arr.begin(), N, data_arr.begin(), M ).str(), expect_512 );
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}
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BOOST_AUTO_TEST_CASE(hmac_test_1)
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{
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run_test<20,8>( TEST1_KEY, TEST1_DATA, TEST1_224, TEST1_256, TEST1_512 );
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}
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BOOST_AUTO_TEST_CASE(hmac_test_2)
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{
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run_test<4,28>( TEST2_KEY, TEST2_DATA, TEST2_224, TEST2_256, TEST2_512 );
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}
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BOOST_AUTO_TEST_CASE(hmac_test_3)
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{
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run_test<20,50>( TEST3_KEY, TEST3_DATA, TEST3_224, TEST3_256, TEST3_512 );
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}
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BOOST_AUTO_TEST_CASE(hmac_test_4)
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{
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run_test<25,50>( TEST4_KEY, TEST4_DATA, TEST4_224, TEST4_256, TEST4_512 );
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}
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BOOST_AUTO_TEST_CASE(hmac_test_6)
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{
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run_test<131,54>( TEST6_KEY, TEST6_DATA, TEST6_224, TEST6_256, TEST6_512 );
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}
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BOOST_AUTO_TEST_CASE(hmac_test_7)
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{
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run_test<131,152>( TEST7_KEY, TEST7_DATA, TEST7_224, TEST7_256, TEST7_512 );
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}
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