234 lines
6.9 KiB
C++
234 lines
6.9 KiB
C++
/*
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* This file Copyright (C) 2013-2014 Mnemosyne LLC
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*
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* It may be used under the GNU GPL versions 2 or 3
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* or any future license endorsed by Mnemosyne LLC.
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*
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*/
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#include <array>
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#include <cstring>
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#include <numeric>
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#include <string>
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#include <string_view>
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#include <unordered_set>
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#include "transmission.h"
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#include "crypto.h"
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#include "crypto-utils.h"
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#include "utils.h"
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#include "crypto-test-ref.h"
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#include "gtest/gtest.h"
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using namespace std::literals;
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namespace
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{
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auto constexpr SomeHash = tr_sha1_digest_t{
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std::byte{ 0 }, std::byte{ 1 }, std::byte{ 2 }, std::byte{ 3 }, std::byte{ 4 }, std::byte{ 5 }, std::byte{ 6 },
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std::byte{ 7 }, std::byte{ 8 }, std::byte{ 9 }, std::byte{ 10 }, std::byte{ 11 }, std::byte{ 12 }, std::byte{ 13 },
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std::byte{ 14 }, std::byte{ 15 }, std::byte{ 16 }, std::byte{ 17 }, std::byte{ 18 }, std::byte{ 19 },
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};
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} // namespace
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TEST(Crypto, torrentHash)
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{
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auto a = tr_crypto{};
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EXPECT_FALSE(tr_cryptoGetTorrentHash(&a));
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tr_cryptoSetTorrentHash(&a, SomeHash);
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EXPECT_TRUE(tr_cryptoGetTorrentHash(&a));
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EXPECT_EQ(SomeHash, *tr_cryptoGetTorrentHash(&a));
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a = tr_crypto{ &SomeHash, false };
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EXPECT_TRUE(tr_cryptoGetTorrentHash(&a));
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EXPECT_EQ(SomeHash, *tr_cryptoGetTorrentHash(&a));
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}
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TEST(Crypto, encryptDecrypt)
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{
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auto a = tr_crypto{ &SomeHash, false };
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auto b = tr_crypto_{ &SomeHash, true };
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auto public_key_length = int{};
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EXPECT_TRUE(tr_cryptoComputeSecret(&a, tr_cryptoGetMyPublicKey_(&b, &public_key_length)));
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EXPECT_TRUE(tr_cryptoComputeSecret_(&b, tr_cryptoGetMyPublicKey(&a, &public_key_length)));
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auto const input1 = std::string{ "test1" };
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auto encrypted1 = std::array<char, 128>{};
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auto decrypted1 = std::array<char, 128>{};
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tr_cryptoEncryptInit(&a);
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tr_cryptoEncrypt(&a, input1.size(), input1.data(), encrypted1.data());
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tr_cryptoDecryptInit_(&b);
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tr_cryptoDecrypt_(&b, input1.size(), encrypted1.data(), decrypted1.data());
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EXPECT_EQ(input1, std::string(decrypted1.data(), input1.size()));
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auto const input2 = std::string{ "@#)C$@)#(*%bvkdjfhwbc039bc4603756VB3)" };
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auto encrypted2 = std::array<char, 128>{};
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auto decrypted2 = std::array<char, 128>{};
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tr_cryptoEncryptInit_(&b);
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tr_cryptoEncrypt_(&b, input2.size(), input2.data(), encrypted2.data());
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tr_cryptoDecryptInit(&a);
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tr_cryptoDecrypt(&a, input2.size(), encrypted2.data(), decrypted2.data());
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EXPECT_EQ(input2, std::string(decrypted2.data(), input2.size()));
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}
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TEST(Crypto, sha1)
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{
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auto hash1 = tr_sha1("test"sv);
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EXPECT_TRUE(hash1);
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EXPECT_EQ(
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0,
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memcmp(
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std::data(*hash1),
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"\xa9\x4a\x8f\xe5\xcc\xb1\x9b\xa6\x1c\x4c\x08\x73\xd3\x91\xe9\x87\x98\x2f\xbb\xd3",
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std::size(*hash1)));
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auto hash2 = tr_sha1("test"sv);
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EXPECT_TRUE(hash1);
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EXPECT_EQ(*hash1, *hash2);
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hash1 = tr_sha1("1"sv, "22"sv, "333"sv);
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hash2 = tr_sha1("1"sv, "22"sv, "333"sv);
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EXPECT_TRUE(hash1);
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EXPECT_TRUE(hash2);
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EXPECT_EQ(*hash1, *hash2);
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EXPECT_EQ(
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0,
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memcmp(
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std::data(*hash1),
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"\x1f\x74\x64\x8e\x50\xa6\xa6\x70\x8e\xc5\x4a\xb3\x27\xa1\x63\xd5\x53\x6b\x7c\xed",
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std::size(*hash1)));
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auto const hash3 = tr_sha1("test"sv);
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EXPECT_TRUE(hash3);
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EXPECT_EQ("a94a8fe5ccb19ba61c4c0873d391e987982fbbd3"sv, tr_sha1_to_string(*hash3));
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auto const hash4 = tr_sha1("te"sv, "st"sv);
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EXPECT_TRUE(hash4);
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EXPECT_EQ("a94a8fe5ccb19ba61c4c0873d391e987982fbbd3"sv, tr_sha1_to_string(*hash4));
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auto const hash5 = tr_sha1("t"sv, "e"sv, std::string{ "s" }, std::array<char, 1>{ { 't' } });
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EXPECT_TRUE(hash5);
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EXPECT_EQ("a94a8fe5ccb19ba61c4c0873d391e987982fbbd3"sv, tr_sha1_to_string(*hash5));
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}
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TEST(Crypto, ssha1)
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{
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struct LocalTest
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{
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std::string_view plain_text;
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std::string_view ssha1;
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};
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auto constexpr Tests = std::array<LocalTest, 2>{ {
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{ "test"sv, "{15ad0621b259a84d24dcd4e75b09004e98a3627bAMbyRHJy"sv },
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{ "QNY)(*#$B)!_X$B !_B#($^!)*&$%CV!#)&$C!@$(P*)"sv, "{10e2d7acbb104d970514a147cd16d51dfa40fb3c0OSwJtOL"sv },
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} };
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auto constexpr HashCount = size_t{ 4 * 1024 };
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for (auto const& [plain_text, ssha1] : Tests)
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{
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auto hashes = std::unordered_set<std::string>{};
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hashes.reserve(HashCount);
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EXPECT_TRUE(tr_ssha1_matches(ssha1, plain_text));
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EXPECT_TRUE(tr_ssha1_matches_(ssha1, plain_text));
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for (size_t j = 0; j < HashCount; ++j)
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{
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auto const hash = (j % 2 == 0) ? tr_ssha1(plain_text) : tr_ssha1_(plain_text);
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// phrase matches each of generated hashes
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EXPECT_TRUE(tr_ssha1_matches(hash, plain_text));
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EXPECT_TRUE(tr_ssha1_matches_(hash, plain_text));
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hashes.insert(hash);
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}
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// confirm all hashes are different
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EXPECT_EQ(HashCount, hashes.size());
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/* exchange two first chars */
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auto phrase = std::string{ plain_text };
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phrase[0] ^= phrase[1];
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phrase[1] ^= phrase[0];
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phrase[0] ^= phrase[1];
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for (auto const& hash : hashes)
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{
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/* changed phrase doesn't match the hashes */
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EXPECT_FALSE(tr_ssha1_matches(hash, phrase));
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EXPECT_FALSE(tr_ssha1_matches_(hash, phrase));
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}
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}
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/* should work with different salt lengths as well */
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EXPECT_TRUE(tr_ssha1_matches("{a94a8fe5ccb19ba61c4c0873d391e987982fbbd3", "test"));
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EXPECT_TRUE(tr_ssha1_matches("{d209a21d3bc4f8fc4f8faf347e69f3def597eb170pySy4ai1ZPMjeU1", "test"));
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}
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TEST(Crypto, hex)
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{
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auto constexpr Hex = std::array<std::string_view, 2>{
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"a94a8fe5ccb19ba61c4c0873d391e987982fbbd3"sv,
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"d209a21d3bc4f8fc4f8faf347e69f3def597eb17"sv,
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};
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for (auto const& hex : Hex)
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{
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auto const digest = tr_sha1_from_string(hex);
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auto const str = tr_sha1_to_string(digest);
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EXPECT_EQ(hex, str);
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}
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}
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TEST(Crypto, random)
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{
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/* test that tr_rand_int() stays in-bounds */
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for (int i = 0; i < 100000; ++i)
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{
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int const val = tr_rand_int(100);
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EXPECT_LE(0, val);
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EXPECT_LT(val, 100);
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}
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}
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TEST(Crypto, base64)
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{
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auto raw = std::string_view{ "YOYO!"sv };
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auto encoded = tr_base64_encode(raw);
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EXPECT_EQ("WU9ZTyE="sv, encoded);
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EXPECT_EQ(raw, tr_base64_decode(encoded));
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EXPECT_EQ(""sv, tr_base64_encode(""sv));
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EXPECT_EQ(""sv, tr_base64_decode(""sv));
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static auto constexpr MaxBufSize = size_t{ 1024 };
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for (size_t i = 1; i <= MaxBufSize; ++i)
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{
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auto buf = std::string{};
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for (size_t j = 0; j < i; ++j)
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{
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buf += char(tr_rand_int_weak(256));
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}
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EXPECT_EQ(buf, tr_base64_decode(tr_base64_encode(buf)));
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buf = std::string{};
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for (size_t j = 0; j < i; ++j)
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{
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buf += char(1 + tr_rand_int_weak(255));
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}
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EXPECT_EQ(buf, tr_base64_decode(tr_base64_encode(buf)));
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}
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}
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