290 lines
9.8 KiB
C++
290 lines
9.8 KiB
C++
/*
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Copyright (c) 2016, Alden Torres
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the distribution.
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* Neither the name of the author nor the names of its
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contributors may be used to endorse or promote products derived
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from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "test.hpp"
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#ifndef TORRENT_DISABLE_DHT
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#include <memory>
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#include "libtorrent/kademlia/ed25519.hpp"
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#include "libtorrent/hex.hpp"
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using namespace lt;
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using namespace lt::dht;
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namespace
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{
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void test_vector(std::string seed, std::string pub, std::string sig_hex, std::string message)
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{
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std::array<char, 32> s;
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secret_key sk;
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public_key pk;
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signature sig;
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std::vector<char> msg(int(message.size()) / 2);
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aux::from_hex(seed, s.data());
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std::tie(pk, sk) = ed25519_create_keypair(s);
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TEST_EQUAL(aux::to_hex(pk.bytes), pub);
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aux::from_hex(message, msg.data());
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sig = ed25519_sign(msg, pk, sk);
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TEST_EQUAL(aux::to_hex(sig.bytes), sig_hex);
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bool r = ed25519_verify(sig, msg, pk);
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TEST_CHECK(r);
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}
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}
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// https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=blob;f=tests/t-ed25519.inp;hb=HEAD
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TORRENT_TEST(ed25519_test_vec1)
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{
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// TST: 2
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test_vector(
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"4ccd089b28ff96da9db6c346ec114e0f5b8a319f35aba624da8cf6ed4fb8a6fb"
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, "3d4017c3e843895a92b70aa74d1b7ebc9c982ccf2ec4968cc0cd55f12af4660c"
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, "92a009a9f0d4cab8720e820b5f642540a2b27b5416503f8fb3762223ebdb69da"
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"085ac1e43e15996e458f3613d0f11d8c387b2eaeb4302aeeb00d291612bb0c00"
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, "72"
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);
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// TST: 3
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test_vector(
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"c5aa8df43f9f837bedb7442f31dcb7b166d38535076f094b85ce3a2e0b4458f7"
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, "fc51cd8e6218a1a38da47ed00230f0580816ed13ba3303ac5deb911548908025"
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, "6291d657deec24024827e69c3abe01a30ce548a284743a445e3680d7db5ac3ac"
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"18ff9b538d16f290ae67f760984dc6594a7c15e9716ed28dc027beceea1ec40a"
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, "af82"
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);
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// TST: 4
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test_vector(
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"0d4a05b07352a5436e180356da0ae6efa0345ff7fb1572575772e8005ed978e9"
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, "e61a185bcef2613a6c7cb79763ce945d3b245d76114dd440bcf5f2dc1aa57057"
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, "d9868d52c2bebce5f3fa5a79891970f309cb6591e3e1702a70276fa97c24b3a8"
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"e58606c38c9758529da50ee31b8219cba45271c689afa60b0ea26c99db19b00c"
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, "cbc77b"
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);
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// TST: 47
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test_vector(
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"89f0d68299ba0a5a83f248ae0c169f8e3849a9b47bd4549884305c9912b46603"
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, "aba3e795aab2012acceadd7b3bd9daeeed6ff5258bdcd7c93699c2a3836e3832"
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, "2c691fa8d487ce20d5d2fa41559116e0bbf4397cf5240e152556183541d66cf7"
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"53582401a4388d390339dbef4d384743caa346f55f8daba68ba7b9131a8a6e0b"
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, "4f1846dd7ad50e545d4cfbffbb1dc2ff145dc123754d08af4e44ecc0bc8c9141"
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"1388bc7653e2d893d1eac2107d05"
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);
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// TST: 48
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test_vector(
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"0a3c1844e2db070fb24e3c95cb1cc6714ef84e2ccd2b9dd2f1460ebf7ecf13b1"
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, "72e409937e0610eb5c20b326dc6ea1bbbc0406701c5cd67d1fbde09192b07c01"
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, "87f7fdf46095201e877a588fe3e5aaf476bd63138d8a878b89d6ac60631b3458"
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"b9d41a3c61a588e1db8d29a5968981b018776c588780922f5aa732ba6379dd05"
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, "4c8274d0ed1f74e2c86c08d955bde55b2d54327e82062a1f71f70d536fdc8722"
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"cdead7d22aaead2bfaa1ad00b82957"
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);
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// TST: 49
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test_vector(
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"c8d7a8818b98dfdb20839c871cb5c48e9e9470ca3ad35ba2613a5d3199c8ab23"
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, "90d2efbba4d43e6b2b992ca16083dbcfa2b322383907b0ee75f3e95845d3c47f"
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, "fa2e994421aef1d5856674813d05cbd2cf84ef5eb424af6ecd0dc6fdbdc2fe60"
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"5fe985883312ecf34f59bfb2f1c9149e5b9cc9ecda05b2731130f3ed28ddae0b"
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, "783e33c3acbdbb36e819f544a7781d83fc283d3309f5d3d12c8dcd6b0b3d0e89"
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"e38cfd3b4d0885661ca547fb9764abff"
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);
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// TST: 50
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test_vector(
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"b482703612d0c586f76cfcb21cfd2103c957251504a8c0ac4c86c9c6f3e429ff"
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, "fd711dc7dd3b1dfb9df9704be3e6b26f587fe7dd7ba456a91ba43fe51aec09ad"
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, "58832bdeb26feafc31b46277cf3fb5d7a17dfb7ccd9b1f58ecbe6feb97966682"
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"8f239ba4d75219260ecac0acf40f0e5e2590f4caa16bbbcd8a155d347967a607"
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, "29d77acfd99c7a0070a88feb6247a2bce9984fe3e6fbf19d4045042a21ab26cb"
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"d771e184a9a75f316b648c6920db92b87b"
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);
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// TST: 51
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test_vector(
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"84e50dd9a0f197e3893c38dbd91fafc344c1776d3a400e2f0f0ee7aa829eb8a2"
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, "2c50f870ee48b36b0ac2f8a5f336fb090b113050dbcc25e078200a6e16153eea"
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, "69e6a4491a63837316e86a5f4ba7cd0d731ecc58f1d0a264c67c89befdd8d382"
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"9d8de13b33cc0bf513931715c7809657e2bfb960e5c764c971d733746093e500"
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, "f3992cde6493e671f1e129ddca8038b0abdb77bb9035f9f8be54bd5d68c1aeff"
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"724ff47d29344391dc536166b8671cbbf123"
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);
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// TST: 52
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test_vector(
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"b322d46577a2a991a4d1698287832a39c487ef776b4bff037a05c7f1812bdeec"
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, "eb2bcadfd3eec2986baff32b98e7c4dbf03ff95d8ad5ff9aa9506e5472ff845f"
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, "c7b55137317ca21e33489ff6a9bfab97c855dc6f85684a70a9125a261b56d5e6"
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"f149c5774d734f2d8debfc77b721896a8267c23768e9badb910eef83ec258802"
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, "19f1bf5dcf1750c611f1c4a2865200504d82298edd72671f62a7b1471ac3d4a3"
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"0f7de9e5da4108c52a4ce70a3e114a52a3b3c5"
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);
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// TST: 53
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test_vector(
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"960cab5034b9838d098d2dcbf4364bec16d388f6376d73a6273b70f82bbc98c0"
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, "5e3c19f2415acf729f829a4ebd5c40e1a6bc9fbca95703a9376087ed0937e51a"
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, "27d4c3a1811ef9d4360b3bdd133c2ccc30d02c2f248215776cb07ee4177f9b13"
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"fc42dd70a6c2fed8f225c7663c7f182e7ee8eccff20dc7b0e1d5834ec5b1ea01"
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, "f8b21962447b0a8f2e4279de411bea128e0be44b6915e6cda88341a68a0d8183"
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"57db938eac73e0af6d31206b3948f8c48a447308"
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);
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// TST: 224
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test_vector(
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"ae1d2c6b171be24c2e413d364dcda97fa476aaf9123d3366b0be03a142fe6e7d"
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, "d437f57542c681dd543487408ec7a44bd42a5fd545ce2f4c8297d67bb0b3aa7b"
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, "909008f3fcfff43988aee1314b15b1822caaa8dab120bd452af494e08335b44a"
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"94c313c4b145eadd5166eaac034e29b7e6ac7941d5961fc49d260e1c4820b00e"
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, "9e6c2fc76e30f17cd8b498845da44f22d55bec150c6130b411c6339d14b39969"
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"ab1033be687569a991a06f70b2a8a6931a777b0e4be6723cd75e5aa7532813ef"
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"50b3d37271640fa2fb287c0355257641ea935c851c0b6ac68be72c88dfc5856f"
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"b53543fb377b0dbf64808afcc4274aa456855ad28f61267a419bc72166b9ca73"
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"cd3bb79bf7dd259baa75911440974b68e8ba95a78cbbe1cb6ad807a33a1cce2f"
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"406ff7bcbd058b44a311b38ab4d4e61416c4a74d883d6a6a794abd9cf1c03902"
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"8bf1b20e3d4990aae86f32bf06cd8349a7a884cce0165e36a0640e987b9d51"
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);
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// TST: 225
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test_vector(
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"0265a7944baccfebf417b87ae1e6df2ff2a544ffb58225a08e092be03f026097"
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, "63d327615ea0139be0740b618aff1acfa818d4b0c2cfeaf0da93cdd5245fb5a9"
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, "b6c445b7eddca5935c61708d44ea5906bd19cc54224eae3c8e46ce99f5cbbd34"
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"1f26623938f5fe04070b1b02e71fbb7c78a90c0dda66cb143fab02e6a0bae306"
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, "874ed712a2c41c26a2d9527c55233fde0a4ffb86af8e8a1dd0a820502c5a2693"
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"2bf87ee0de72a8874ef2eebf83384d443f7a5f46a1233b4fb514a24699818248"
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"94f325bf86aa0fe1217153d40f3556c43a8ea9269444e149fb70e9415ae0766c"
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"565d93d1d6368f9a23a0ad76f9a09dbf79634aa97178677734d04ef1a5b3f87c"
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"e1ee9fc5a9ac4e7a72c9d7d31ec89e28a845d2e1103c15d6410ce3c723b0cc22"
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"09f698aa9fa288bbbecfd9e5f89cdcb09d3c215feb47a58b71ea70e2abead67f"
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"1b08ea6f561fb93ef05232eedabfc1c7702ab039bc465cf57e207f1093fc8208"
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);
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}
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TORRENT_TEST(create_seed)
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{
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std::array<char, 32> s1 = ed25519_create_seed();
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std::array<char, 32> s2 = ed25519_create_seed();
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TEST_CHECK(s1 != s2); // what are the odds
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int n1 = 0;
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int n2 = 0;
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for (int i = 0; i < 32; i++)
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{
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if (s1[i] != 0) n1++;
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if (s2[i] != 0) n2++;
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}
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TEST_CHECK(n1 > 0);
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TEST_CHECK(n2 > 0);
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}
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TORRENT_TEST(add_scalar)
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{
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// client
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std::array<char, 32> s1 = ed25519_create_seed();
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public_key pk1;
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secret_key sk1;
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std::tie(pk1, sk1) = ed25519_create_keypair(s1);
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// client sends to server the public key
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// server generates another seed, it could be an scalar
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// n = HMAC(k, pk1) and sends it back to the client
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// see http://crypto.stackexchange.com/a/6215/4697
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std::array<char, 32> n = ed25519_create_seed();
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// now the server knows that the client's public key
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// must be (or assigns) pk1 + n
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pk1 = ed25519_add_scalar(pk1, n);
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// server sends n to the client
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// the client, in order to properly sign messages, must
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// adjust the private key
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sk1 = ed25519_add_scalar(sk1, n);
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// test sign and verification
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std::string msg = "Hello world";
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signature sig = ed25519_sign(msg, pk1, sk1);
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bool r = ed25519_verify(sig, msg, pk1);
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TEST_CHECK(r);
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}
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TORRENT_TEST(key_exchange)
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{
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// user A
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std::array<char, 32> s1 = ed25519_create_seed();
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public_key pk1;
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secret_key sk1;
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std::tie(pk1, sk1) = ed25519_create_keypair(s1);
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// user A sends to user B the public key
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// user B
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std::array<char, 32> s2 = ed25519_create_seed();
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public_key pk2;
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secret_key sk2;
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std::tie(pk2, sk2) = ed25519_create_keypair(s2);
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// user B performs the key exchange
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std::array<char, 32> secretB = ed25519_key_exchange(pk1, sk2);
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// user B sends to user A the public key
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// user A performs the key exchange
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std::array<char, 32> secretA = ed25519_key_exchange(pk2, sk1);
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// now both users A and B must shared the same secret
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TEST_EQUAL(aux::to_hex(secretA), aux::to_hex(secretB));
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}
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#else
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TORRENT_TEST(empty)
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{
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TEST_CHECK(true);
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}
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#endif // TORRENT_DISABLE_DHT
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