From 0575840a9c6ca3cf36731719f3f463c7eadfa373 Mon Sep 17 00:00:00 2001 From: Peter Conrad Date: Fri, 3 Jul 2015 21:48:28 +0200 Subject: [PATCH] Implemented HMAC template + test --- include/fc/crypto/hmac.hpp | 68 +++++++++++++++++++++ tests/hmac_test.cpp | 118 +++++++++++++++++++++++++++++++++++++ 2 files changed, 186 insertions(+) create mode 100644 include/fc/crypto/hmac.hpp create mode 100644 tests/hmac_test.cpp diff --git a/include/fc/crypto/hmac.hpp b/include/fc/crypto/hmac.hpp new file mode 100644 index 0000000..aa6d006 --- /dev/null +++ b/include/fc/crypto/hmac.hpp @@ -0,0 +1,68 @@ +/* + * File: hmac.hpp + * Author: Peter Conrad + * + * Created on 1. Juli 2015, 21:48 + */ + +#ifndef HMAC_HPP +#define HMAC_HPP + +#include +#include +#include + +namespace fc { + + template + class hmac + { + public: + hmac() {} + + H digest( const char* c, uint32_t c_len, const char* d, uint32_t d_len ) + { + encoder.reset(); + add_key(c, c_len, 0x36); + encoder.write( d, d_len ); + H intermediate = encoder.result(); + + encoder.reset(); + add_key(c, c_len, 0x5c); + encoder.write( intermediate.data(), intermediate.data_size() ); + return encoder.result(); + } + + private: + void add_key( const char* c, const uint32_t c_len, char pad ) + { + if ( c_len > internal_block_size() ) + { + H hash = H::hash( c, c_len ); + add_key( hash.data(), hash.data_size(), pad ); + } + else + for (unsigned int i = 0; i < internal_block_size(); i++ ) + { + encoder.put( pad ^ ((i < c_len) ? *c++ : 0) ); + } + } + + unsigned int internal_block_size() const; + + H dummy; + typename H::encoder encoder; + }; + + template<> + unsigned int hmac::internal_block_size() const { return 64; } + + template<> + unsigned int hmac::internal_block_size() const { return 64; } + + template<> + unsigned int hmac::internal_block_size() const { return 128; } +} + +#endif /* HMAC_HPP */ + diff --git a/tests/hmac_test.cpp b/tests/hmac_test.cpp new file mode 100644 index 0000000..a8f21dd --- /dev/null +++ b/tests/hmac_test.cpp @@ -0,0 +1,118 @@ +#define BOOST_TEST_MODULE HmacTest +#include +#include +#include +#include +#include +#include +#include + +// See http://tools.ietf.org/html/rfc4231 + +static const fc::string TEST1_KEY = "0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b"; +static const fc::string TEST1_DATA = "4869205468657265"; +static const fc::string TEST1_224 = "896fb1128abbdf196832107cd49df33f47b4b1169912ba4f53684b22"; +static const fc::string TEST1_256 = "b0344c61d8db38535ca8afceaf0bf12b881dc200c9833da726e9376c2e32cff7"; +static const fc::string TEST1_512 = "87aa7cdea5ef619d4ff0b4241a1d6cb02379f4e2ce4ec2787ad0b30545e17cde" + "daa833b7d6b8a702038b274eaea3f4e4be9d914eeb61f1702e696c203a126854"; + +static const fc::string TEST2_KEY = "4a656665"; +static const fc::string TEST2_DATA = "7768617420646f2079612077616e7420666f72206e6f7468696e673f"; +static const fc::string TEST2_224 = "a30e01098bc6dbbf45690f3a7e9e6d0f8bbea2a39e6148008fd05e44"; +static const fc::string TEST2_256 = "5bdcc146bf60754e6a042426089575c75a003f089d2739839dec58b964ec3843"; +static const fc::string TEST2_512 = "164b7a7bfcf819e2e395fbe73b56e0a387bd64222e831fd610270cd7ea250554" + "9758bf75c05a994a6d034f65f8f0e6fdcaeab1a34d4a6b4b636e070a38bce737"; + +static const fc::string TEST3_KEY = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"; +static const fc::string TEST3_DATA = "dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd" + "dddddddddddddddddddddddddddddddddddd"; +static const fc::string TEST3_224 = "7fb3cb3588c6c1f6ffa9694d7d6ad2649365b0c1f65d69d1ec8333ea"; +static const fc::string TEST3_256 = "773ea91e36800e46854db8ebd09181a72959098b3ef8c122d9635514ced565fe"; +static const fc::string TEST3_512 = "fa73b0089d56a284efb0f0756c890be9b1b5dbdd8ee81a3655f83e33b2279d39" + "bf3e848279a722c806b485a47e67c807b946a337bee8942674278859e13292fb"; + +static const fc::string TEST4_KEY = "0102030405060708090a0b0c0d0e0f10111213141516171819"; +static const fc::string TEST4_DATA = "cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd" + "cdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcdcd"; +static const fc::string TEST4_224 = "6c11506874013cac6a2abc1bb382627cec6a90d86efc012de7afec5a"; +static const fc::string TEST4_256 = "82558a389a443c0ea4cc819899f2083a85f0faa3e578f8077a2e3ff46729665b"; +static const fc::string TEST4_512 = "b0ba465637458c6990e5a8c5f61d4af7e576d97ff94b872de76f8050361ee3db" + "a91ca5c11aa25eb4d679275cc5788063a5f19741120c4f2de2adebeb10a298dd"; + +// test 5 skipped - truncated + +static const fc::string TEST6_KEY = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaa"; +static const fc::string TEST6_DATA = "54657374205573696e67204c6172676572205468616e20426c6f636b2d53697a" + "65204b6579202d2048617368204b6579204669727374"; +static const fc::string TEST6_224 = "95e9a0db962095adaebe9b2d6f0dbce2d499f112f2d2b7273fa6870e"; +static const fc::string TEST6_256 = "60e431591ee0b67f0d8a26aacbf5b77f8e0bc6213728c5140546040f0ee37f54"; +static const fc::string TEST6_512 = "80b24263c7c1a3ebb71493c1dd7be8b49b46d1f41b4aeec1121b013783f8f352" + "6b56d037e05f2598bd0fd2215d6a1e5295e64f73f63f0aec8b915a985d786598"; + +static const fc::string TEST7_KEY = "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" + "aaaaaa"; +static const fc::string TEST7_DATA = "5468697320697320612074657374207573696e672061206c6172676572207468" + "616e20626c6f636b2d73697a65206b657920616e642061206c61726765722074" + "68616e20626c6f636b2d73697a6520646174612e20546865206b6579206e6565" + "647320746f20626520686173686564206265666f7265206265696e6720757365" + "642062792074686520484d414320616c676f726974686d2e"; +static const fc::string TEST7_224 = "3a854166ac5d9f023f54d517d0b39dbd946770db9c2b95c9f6f565d1"; +static const fc::string TEST7_256 = "9b09ffa71b942fcb27635fbcd5b0e944bfdc63644f0713938a7f51535c3a35e2"; +static const fc::string TEST7_512 = "e37b6a775dc87dbaa4dfa9f96e5e3ffddebd71f8867289865df5a32d20cdc944" + "b6022cac3c4982b10d5eeb55c3e4de15134676fb6de0446065c97440fa8c6a58"; + +static fc::hmac mac_224; +static fc::hmac mac_256; +static fc::hmac mac_512; + +template +static void run_test( const fc::string& key, const fc::string& data, const fc::string& expect_224, + const fc::string& expect_256, const fc::string& expect_512 ) +{ + + fc::array key_arr; + BOOST_CHECK_EQUAL( fc::from_hex( key, key_arr.begin(), key_arr.size() ), N ); + fc::array data_arr; + BOOST_CHECK_EQUAL( fc::from_hex( data, data_arr.begin(), data_arr.size() ), M ); + + BOOST_CHECK_EQUAL( mac_224.digest( key_arr.begin(), N, data_arr.begin(), M ).str(), expect_224 ); + BOOST_CHECK_EQUAL( mac_256.digest( key_arr.begin(), N, data_arr.begin(), M ).str(), expect_256 ); + BOOST_CHECK_EQUAL( mac_512.digest( key_arr.begin(), N, data_arr.begin(), M ).str(), expect_512 ); +} + +BOOST_AUTO_TEST_CASE(hmac_test_1) +{ + run_test<20,8>( TEST1_KEY, TEST1_DATA, TEST1_224, TEST1_256, TEST1_512 ); +} + +BOOST_AUTO_TEST_CASE(hmac_test_2) +{ + run_test<4,28>( TEST2_KEY, TEST2_DATA, TEST2_224, TEST2_256, TEST2_512 ); +} + +BOOST_AUTO_TEST_CASE(hmac_test_3) +{ + run_test<20,50>( TEST3_KEY, TEST3_DATA, TEST3_224, TEST3_256, TEST3_512 ); +} + +BOOST_AUTO_TEST_CASE(hmac_test_4) +{ + run_test<25,50>( TEST4_KEY, TEST4_DATA, TEST4_224, TEST4_256, TEST4_512 ); +} + +BOOST_AUTO_TEST_CASE(hmac_test_6) +{ + run_test<131,54>( TEST6_KEY, TEST6_DATA, TEST6_224, TEST6_256, TEST6_512 ); +} + +BOOST_AUTO_TEST_CASE(hmac_test_7) +{ + run_test<131,152>( TEST7_KEY, TEST7_DATA, TEST7_224, TEST7_256, TEST7_512 ); +}