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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "net/quic/crypto/cert_compressor.h" | |
| 6 | |
| 7 #include <memory> | |
| 8 | |
| 9 #include "net/quic/quic_utils.h" | |
| 10 #include "net/quic/test_tools/crypto_test_utils.h" | |
| 11 #include "testing/gtest/include/gtest/gtest.h" | |
| 12 | |
| 13 using base::StringPiece; | |
| 14 using std::string; | |
| 15 using std::vector; | |
| 16 | |
| 17 namespace net { | |
| 18 namespace test { | |
| 19 | |
| 20 TEST(CertCompressor, EmptyChain) { | |
| 21 vector<string> chain; | |
| 22 const string compressed = CertCompressor::CompressChain( | |
| 23 chain, StringPiece(), StringPiece(), nullptr); | |
| 24 EXPECT_EQ("00", QuicUtils::HexEncode(compressed)); | |
| 25 | |
| 26 vector<string> chain2, cached_certs; | |
| 27 ASSERT_TRUE(CertCompressor::DecompressChain(compressed, cached_certs, nullptr, | |
| 28 &chain2)); | |
| 29 EXPECT_EQ(chain.size(), chain2.size()); | |
| 30 } | |
| 31 | |
| 32 TEST(CertCompressor, Compressed) { | |
| 33 vector<string> chain; | |
| 34 chain.push_back("testcert"); | |
| 35 const string compressed = CertCompressor::CompressChain( | |
| 36 chain, StringPiece(), StringPiece(), nullptr); | |
| 37 ASSERT_GE(compressed.size(), 2u); | |
| 38 EXPECT_EQ("0100", QuicUtils::HexEncode(compressed.substr(0, 2))); | |
| 39 | |
| 40 vector<string> chain2, cached_certs; | |
| 41 ASSERT_TRUE(CertCompressor::DecompressChain(compressed, cached_certs, nullptr, | |
| 42 &chain2)); | |
| 43 EXPECT_EQ(chain.size(), chain2.size()); | |
| 44 EXPECT_EQ(chain[0], chain2[0]); | |
| 45 } | |
| 46 | |
| 47 TEST(CertCompressor, Common) { | |
| 48 vector<string> chain; | |
| 49 chain.push_back("testcert"); | |
| 50 static const uint64_t set_hash = 42; | |
| 51 std::unique_ptr<CommonCertSets> common_sets( | |
| 52 CryptoTestUtils::MockCommonCertSets(chain[0], set_hash, 1)); | |
| 53 const string compressed = CertCompressor::CompressChain( | |
| 54 chain, | |
| 55 StringPiece(reinterpret_cast<const char*>(&set_hash), sizeof(set_hash)), | |
| 56 StringPiece(), common_sets.get()); | |
| 57 EXPECT_EQ( | |
| 58 "03" /* common */ | |
| 59 "2A00000000000000" /* set hash 42 */ | |
| 60 "01000000" /* index 1 */ | |
| 61 "00" /* end of list */, | |
| 62 QuicUtils::HexEncode(compressed)); | |
| 63 | |
| 64 vector<string> chain2, cached_certs; | |
| 65 ASSERT_TRUE(CertCompressor::DecompressChain(compressed, cached_certs, | |
| 66 common_sets.get(), &chain2)); | |
| 67 EXPECT_EQ(chain.size(), chain2.size()); | |
| 68 EXPECT_EQ(chain[0], chain2[0]); | |
| 69 } | |
| 70 | |
| 71 TEST(CertCompressor, Cached) { | |
| 72 vector<string> chain; | |
| 73 chain.push_back("testcert"); | |
| 74 uint64_t hash = QuicUtils::FNV1a_64_Hash(chain[0].data(), chain[0].size()); | |
| 75 StringPiece hash_bytes(reinterpret_cast<char*>(&hash), sizeof(hash)); | |
| 76 const string compressed = | |
| 77 CertCompressor::CompressChain(chain, StringPiece(), hash_bytes, nullptr); | |
| 78 | |
| 79 EXPECT_EQ("02" /* cached */ + QuicUtils::HexEncode(hash_bytes) + | |
| 80 "00" /* end of list */, | |
| 81 QuicUtils::HexEncode(compressed)); | |
| 82 | |
| 83 vector<string> cached_certs, chain2; | |
| 84 cached_certs.push_back(chain[0]); | |
| 85 ASSERT_TRUE(CertCompressor::DecompressChain(compressed, cached_certs, nullptr, | |
| 86 &chain2)); | |
| 87 EXPECT_EQ(chain.size(), chain2.size()); | |
| 88 EXPECT_EQ(chain[0], chain2[0]); | |
| 89 } | |
| 90 | |
| 91 TEST(CertCompressor, BadInputs) { | |
| 92 vector<string> cached_certs, chain; | |
| 93 | |
| 94 EXPECT_FALSE(CertCompressor::DecompressChain( | |
| 95 QuicUtils::HexEncode("04") /* bad entry type */, cached_certs, nullptr, | |
| 96 &chain)); | |
| 97 | |
| 98 EXPECT_FALSE(CertCompressor::DecompressChain( | |
| 99 QuicUtils::HexEncode("01") /* no terminator */, cached_certs, nullptr, | |
| 100 &chain)); | |
| 101 | |
| 102 EXPECT_FALSE(CertCompressor::DecompressChain( | |
| 103 QuicUtils::HexEncode("0200") /* hash truncated */, cached_certs, nullptr, | |
| 104 &chain)); | |
| 105 | |
| 106 EXPECT_FALSE(CertCompressor::DecompressChain( | |
| 107 QuicUtils::HexEncode("0300") /* hash and index truncated */, cached_certs, | |
| 108 nullptr, &chain)); | |
| 109 | |
| 110 /* without a CommonCertSets */ | |
| 111 EXPECT_FALSE( | |
| 112 CertCompressor::DecompressChain(QuicUtils::HexEncode("03" | |
| 113 "0000000000000000" | |
| 114 "00000000"), | |
| 115 cached_certs, nullptr, &chain)); | |
| 116 | |
| 117 std::unique_ptr<CommonCertSets> common_sets( | |
| 118 CryptoTestUtils::MockCommonCertSets("foo", 42, 1)); | |
| 119 | |
| 120 /* incorrect hash and index */ | |
| 121 EXPECT_FALSE( | |
| 122 CertCompressor::DecompressChain(QuicUtils::HexEncode("03" | |
| 123 "a200000000000000" | |
| 124 "00000000"), | |
| 125 cached_certs, nullptr, &chain)); | |
| 126 } | |
| 127 | |
| 128 } // namespace test | |
| 129 } // namespace net | |
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