networking_private_crypto_unittest.cc revision a1401311d1ab56c4ed0a474bd38c108f75cb0cd9 
1// Copyright 2014 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#include "chrome/common/extensions/api/networking_private/networking_private_crypto.h"
5
6#include "base/base64.h"
7#include "base/logging.h"
8#include "base/strings/stringprintf.h"
9#include "testing/gtest/include/gtest/gtest.h"
10
11// Tests of NetworkingPrivateCrypto support for Networking Private API.
12class NetworkingPrivateCryptoTest : public testing::Test {
13 protected:
14  // Verify that decryption of |encrypted| data using |private_key_pem| matches
15  // |plain| data.
16  bool VerifyByteString(const std::string& private_key_pem,
17                        const std::string& plain,
18                        const std::vector<uint8>& encrypted) {
19    NetworkingPrivateCrypto crypto;
20    std::string decrypted;
21    if (crypto.DecryptByteString(private_key_pem, encrypted, &decrypted))
22      return decrypted == plain;
23    return false;
24  }
25};
26
27// Test that NetworkingPrivateCrypto::VerifyCredentials behaves as expected.
28TEST_F(NetworkingPrivateCryptoTest, VerifyCredentials) {
29  static const char kCertData[] =
30      "-----BEGIN CERTIFICATE-----"
31      "MIIDhzCCAm8CBFE2SCMwDQYJKoZIhvcNAQEFBQAwfTELMAkGA1UEBhMCVVMxEzARBgNVBAgM"
32      "CkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxEzARBgNVBAoMCkdvb2dsZSBJ"
33      "bmMxEjAQBgNVBAsMCUdvb2dsZSBUVjEYMBYGA1UEAwwPRXVyZWthIEdlbjEgSUNBMB4XDTEz"
34      "MDMwNTE5MzE0N1oXDTMzMDIyODE5MzE0N1owgYMxFjAUBgNVBAcTDU1vdW50YWluIFZpZXcx"
35      "EjAQBgNVBAsTCUdvb2dsZSBUVjETMBEGA1UEChMKR29vZ2xlIEluYzETMBEGA1UECBMKQ2Fs"
36      "aWZvcm5pYTELMAkGA1UEBhMCVVMxHjAcBgNVBAMUFWV2dF9lMTYxIDAwMWExMWZmYWNkZjCC"
37      "ASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAPHGDV0lLoTYK78q13y/2u77YTjgbBlW"
38      "AOxgrSNcMmGHx1K0aPyo50p99dGQnjapW6jtGrMzReWV2Wz3VL8rYlqY7oWjeJwsLQwo2tcn"
39      "7vIZ/PuvPz9xgnGMUbBOfhCf3Epb1N4Jz82pxxrOFhUawWAglC9C4fUeZLCZpOJsQd4QeAzn"
40      "kydl3xbqdSm74kwxE6vkGEzSCDnC7aYx0Rvvr1mZOKdl4AinYrxzWgmVsTnaFT1soSjmC5e/"
41      "i6Jcrs4dDFgY6mKy9Qtly2XPSCYljm6L4SgqgJNmlpY0qYJgO++BdofIbU2jsOiCMvIuKkbM"
42      "n72NsPQG0QhnVMwk7kYg6kkCAwEAAaMNMAswCQYDVR0TBAIwADANBgkqhkiG9w0BAQUFAAOC"
43      "AQEAW0bQl9yjBc7DgMp94i7ZDOUxKQrzthephuwzb3/wWiTHcw6KK6FRPefXn6NPWxKKeQmv"
44      "/tBxHbVlmYRXUbrhksnD0aUki4InvtL2m0H1fPfMxmJRFE+HoSXu+s0sGON831JaMcYRbAku"
45      "5uHnltaGNzOI0KPHFGoCDmjAZD+IuoR2LR4FuuTrECK7KLjkdf//z5d5j7nBDPZS7uTCwC/B"
46      "wM9asRj3tJA5VRFbLbsit1VI7IaRCk9rsSKkpBUaVeKbPLz+y/Z6JonXXT6AxsfgUSKDd4B7"
47      "MYLrTwMQfGuUaaaKko6ldKIrovjrcPloQr1Hxb2bipFcjLmG7nxQLoS6vQ=="
48      "-----END CERTIFICATE-----";
49  static const char kName[] = "eureka8997";
50  static const char kSsdpUdn[] = "c5b2a83b-5958-7ce6-b179-e1f44699429b";
51  static const char kHotspotBssid[] = "00:1A:11:FF:AC:DF";
52  static const char kPublicKey[] =
53      "MIGJAoGBAK3SXmWZBOhJibv8It05qIbgHXXhnCXxHkW+C6jNMHR5sZgDpFaOY1xwXERjKdJx"
54      "cwrEy3VAT5Uv9MgHPBvxxJku76HYh1yVfIw1rhLnHBTHSxwUzJNCrgc3l3t/UACacLjVNIzc"
55      "cDpYf2vnOcA+t1t6IXRjzuU2NdwY4dJXNtWPAgMBAAE=";
56  static const char kNonce[] = "+6KSGuRu833m1+TP";
57  static const char kSignedData[] =
58      "vwMBgANrp5XpCswLyk/OTXT56ORPeIWjH7xAdCk3qgjkwI6+8o56zJS02+tC5hhIHWh7oppT"
59      "mWYF4tKvBQ3GeCz7IW9f7HWDMtO7x7yRWxzJyehaJbCfXvLdfs0/WKllzvGVBgNpcIAwU2NS"
60      "FUG/jpXclntFzds0EUJG9wHxS6PXXSYRu+PlIFdCDcQJsUlnwO9AGFOJRV/aARGh8YUTWCFI"
61      "QPOtPEqT5eegt+TLf01Gq0YcrRwSTKy1I3twOnWiMfIdkJdQKPtBwwbvuAyGuqYFocfjKABb"
62      "nH9Tvl04yyO3euKbYlSqaF/l8CXmzDJTyO7tDOFK59bV9auE4KljrQ==";
63  static const char kBadSubjectCertData[] =
64      "-----BEGIN CERTIFICATE-----"
65      "MIIDejCCAmICBFEtN4wwDQYJKoZIhvcNAQEFBQAwfTELMAkGA1UEBhMCVVMxEzARBgNVBAgM"
66      "CkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxEzARBgNVBAoMCkdvb2dsZSBJ"
67      "bmMxEjAQBgNVBAsMCUdvb2dsZSBUVjEYMBYGA1UEAwwPRXVyZWthIEdlbjEgSUNBMB4XDTEz"
68      "MDIyNjIyMzAzNloXDTMzMDIyMTIyMzAzNlowdzETMBEGA1UECBMKQ2FsaWZvcm5pYTELMAkG"
69      "A1UEBhMCVVMxFjAUBgNVBAcTDU1vdW50YWluIFZpZXcxEjAQBgNVBAsTCUdvb2dsZSBUVjET"
70      "MBEGA1UEChMKR29vZ2xlIEluYzESMBAGA1UEAxQJZXZ0X2UxMjYyMIIBIjANBgkqhkiG9w0B"
71      "AQEFAAOCAQ8AMIIBCgKCAQEAo7Uu+bdyCjtiUYpmNU4ZvRjDg6VkEh/g0YPDG2pICBU4XKvs"
72      "qHH1i0hbtWp1J79hV9Rqst1yHT02Oeh3o1SOd2zeamYzmvXRVN7AZqfQlzWxwxk/ltpXGwew"
73      "m+EIR2bP4kpvyEKvvziTMtTxviOK+A395QyodMhMXClKTus/Gme2r1fBoQqJJR/zrmwXCsl5"
74      "kpdhj7FOIII3BCYV0zejjQquzywjsKfCVON28VGgJdaKgmXxkeRYYWVNnuTNna57vXe16FP6"
75      "hS1ty1U77ESffLTpNJ/M4tsd2dMVVTDuGeX3q8Ix4TN8cqpqu1AKEf59hygys9j6cHZRKR/d"
76      "iv0+uQIDAQABow0wCzAJBgNVHRMEAjAAMA0GCSqGSIb3DQEBBQUAA4IBAQAZx6XyEK9SLHE+"
77      "rbKCVsLN9+hTEa50aikPmxOZt+lFuB4+VJZ/GCPQCZJIde2tlWUe2YBgoZw2xUKgIsM3Yq42"
78      "Gawi35/oZ3qycTgYU8KJP9kUMbYNAH90mz9BDH7MmnRID5dFexHyBCG88EJ+ZvxmUVn0EVDc"
79      "sSMt11wIAZ/T+/gsE1120d/GxhjYQ9YZz7SZXBQfRdqCdcPNl2+QSHHl+WvYLzdJa2xYj39/"
80      "kQu47Vp7X5rZrHSBvzdVymH0Od2D18t+Q6lxbSdyUNhP1MVhdkT1Ct4OmRS3FJ4aannXMhfq"
81      "Ng7k4Sfif5iktYT4VRKpThe0EGJNfqKJKYtvHEVC"
82      "-----END CERTIFICATE-----";
83  static const char kBadCertData[] = "not a certificate";
84  static const char kBadNonce[] = "bad nonce";
85  static const char kBadHotspotBssid[] = "bad bssid";
86
87  std::string unsigned_data = base::StringPrintf(
88      "%s,%s,%s,%s,%s", kName, kSsdpUdn, kHotspotBssid, kPublicKey, kNonce);
89  std::string signed_data;
90  base::Base64Decode(kSignedData, &signed_data);
91
92  NetworkingPrivateCrypto crypto;
93  // Checking basic verification operation.
94  EXPECT_TRUE(crypto.VerifyCredentials(
95      kCertData, signed_data, unsigned_data, kHotspotBssid));
96
97  // Checking that verification fails when the certificate is signed, but
98  // subject is malformed.
99  EXPECT_FALSE(crypto.VerifyCredentials(
100      kBadSubjectCertData, signed_data, unsigned_data, kHotspotBssid));
101
102  // Checking that verification fails when certificate has invalid format.
103  EXPECT_FALSE(crypto.VerifyCredentials(
104      kBadCertData, signed_data, unsigned_data, kHotspotBssid));
105
106  // Checking that verification fails when Hotspot Bssid is invalid.
107  EXPECT_FALSE(crypto.VerifyCredentials(
108      kCertData, signed_data, unsigned_data, kBadHotspotBssid));
109
110  // Checking that verification fails when there is bad nonce in unsigned_data.
111  unsigned_data = base::StringPrintf(
112      "%s,%s,%s,%s,%s", kName, kSsdpUdn, kHotspotBssid, kPublicKey, kBadNonce);
113  EXPECT_FALSE(crypto.VerifyCredentials(
114      kCertData, signed_data, unsigned_data, kHotspotBssid));
115}
116
117// Test that NetworkingPrivateCrypto::EncryptByteString behaves as expected.
118TEST_F(NetworkingPrivateCryptoTest, EncryptByteString) {
119  NetworkingPrivateCrypto crypto;
120  static const char kPublicKey[] =
121      "MIGJAoGBANTjeoILNkSKHVkd3my/rSwNi+9t473vPJU0lkM8nn9C7+gmaPvEWg4ZNkMd12aI"
122      "XDXVHrjgjcS80bPE0ykhN9J7EYkJ+43oulJMrEnyDy5KQo7U3MKBdjaKFTS+OPyohHpI8GqH"
123      "KM8UMkLPVtAKu1BXgGTSDvEaBAuoVT2PM4XNAgMBAAE=";
124  static const char kPrivateKey[] =
125      "-----BEGIN PRIVATE KEY-----"
126      "MIICdwIBADANBgkqhkiG9w0BAQEFAASCAmEwggJdAgEAAoGBANTjeoILNkSKHVkd"
127      "3my/rSwNi+9t473vPJU0lkM8nn9C7+gmaPvEWg4ZNkMd12aIXDXVHrjgjcS80bPE"
128      "0ykhN9J7EYkJ+43oulJMrEnyDy5KQo7U3MKBdjaKFTS+OPyohHpI8GqHKM8UMkLP"
129      "VtAKu1BXgGTSDvEaBAuoVT2PM4XNAgMBAAECgYEAt91H/2zjj8qhkkhDxDS/wd5p"
130      "T37fRTmMX2ktpiCC23LadOxHm7p39Nk9jjYFxV5cFXpdsFrw1kwl6VdC8LDp3eGu"
131      "Ku1GCqj5H2fpnkmL2goD01HRkPR3ro4uBHPtTXDbCIz0qp+NGlGG4gPUysMXxHSb"
132      "E5FIWeUx6gcPvidwrpkCQQD40FXY46KDJT8JVYJMqY6nFQZvptFl+9BGWfheVVSF"
133      "KBlTQBx/QA+XcC/W9Q/I+NEhdGcxLlkEMUpihSpYffKbAkEA2wmFfccdheTtoOuY"
134      "8oTurbnFHsS7gLtcR2IbRJKXw80CJxTQA/LMWz0YuFOAYJNl/9ILMfp6MQiI4L9F"
135      "l6pbtwJAJqkAXcXo72WvKL0flNfXsYBj0p9h8+2vi+7Y15d8nYAAh13zz5XdllM5"
136      "K7ZCMKDwpbkXe53O+QbLnwk/7iYLtwJAERT6AygfJk0HNzCIeglh78x4EgE3uj9i"
137      "X/LHu55PFacMTu3xlw09YLQwFFf2wBFeuAeyddBZ7S8ENbrU+5H+mwJBAO2E6gwG"
138      "e5ZqY4RmsQmv6K0rn5k+UT4qlPeVp1e6LnvO/PcKWOaUvDK59qFZoX4vN+iFUAbk"
139      "IuvhmL9u/uPWWck="
140      "-----END PRIVATE KEY-----";
141  static const std::vector<uint8> kBadKeyData(5, 111);
142  static const char kTestData[] = "disco boy";
143  static const char kEmptyData[] = "";
144
145  std::string public_key_string;
146  base::Base64Decode(kPublicKey, &public_key_string);
147  std::vector<uint8> public_key(public_key_string.begin(),
148                                public_key_string.end());
149  std::string plain;
150  std::vector<uint8> encrypted_output;
151
152  // Checking basic encryption operation.
153  plain = kTestData;
154  EXPECT_TRUE(crypto.EncryptByteString(public_key, plain, &encrypted_output));
155  EXPECT_TRUE(VerifyByteString(kPrivateKey, plain, encrypted_output));
156
157  // Checking that we can encrypt the empty string.
158  plain = kEmptyData;
159  EXPECT_TRUE(crypto.EncryptByteString(public_key, plain, &encrypted_output));
160
161  // Checking graceful fail for too much data to encrypt.
162  EXPECT_FALSE(crypto.EncryptByteString(
163      public_key, std::string(500, 'x'), &encrypted_output));
164
165  // Checking graceful fail for a bad key format.
166  EXPECT_FALSE(
167      crypto.EncryptByteString(kBadKeyData, kTestData, &encrypted_output));
168}
169