Added NetworkingPrivateCrypto and its unit test.

chrome/browser/extensions/api/networking_private/networking_private_crypto_unittest.cc

Index: chrome/browser/extensions/api/networking_private/networking_private_crypto_unittest.cc
diff --git a/chrome/browser/extensions/api/networking_private/networking_private_crypto_unittest.cc b/chrome/browser/extensions/api/networking_private/networking_private_crypto_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..cb6714f35c95fda822eb218f86e947595d965cac
--- /dev/null
+++ b/chrome/browser/extensions/api/networking_private/networking_private_crypto_unittest.cc
@@ -0,0 +1,115 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+// Tests of NetworkingPrivateCrypto support for Networking Private API.
+// Based on chromeos_public//.../network_DestinationVerification.py
+
+#include "base/base64.h"
+#include "base/logging.h"
+#include "base/strings/stringprintf.h"
+#include "chrome/browser/extensions/api/networking_private/networking_private_crypto.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+TEST(NetworkingPrivateCryptoTest, VerifyCredentials) {
+  static const char kCertData[] =
+      "-----BEGIN CERTIFICATE-----"
+      "\nMIIDhzCCAm8CBFE2SCMwDQYJKoZIhvcNAQEFBQAwfTELMAkGA1UEBhMCVVMxEzAR\nBgNV"
+      "BAgMCkNhbGlmb3JuaWExFjAUBgNVBAcMDU1vdW50YWluIFZpZXcxEzARBgNV\nBAoMCkdvb2"
+      "dsZSBJbmMxEjAQBgNVBAsMCUdvb2dsZSBUVjEYMBYGA1UEAwwPRXVy\nZWthIEdlbjEgSUNB"
+      "MB4XDTEzMDMwNTE5MzE0N1oXDTMzMDIyODE5MzE0N1owgYMx\nFjAUBgNVBAcTDU1vdW50YW"
+      "luIFZpZXcxEjAQBgNVBAsTCUdvb2dsZSBUVjETMBEG\nA1UEChMKR29vZ2xlIEluYzETMBEG"
+      "A1UECBMKQ2FsaWZvcm5pYTELMAkGA1UEBhMC\nVVMxHjAcBgNVBAMUFWV2dF9lMTYxIDAwMW"
+      "ExMWZmYWNkZjCCASIwDQYJKoZIhvcN\nAQEBBQADggEPADCCAQoCggEBAPHGDV0lLoTYK78q"
+      "13y/"
+      "2u77YTjgbBlWAOxgrSNc\nMmGHx1K0aPyo50p99dGQnjapW6jtGrMzReWV2Wz3VL8rYlqY7o"
+      "WjeJwsLQwo2tcn\n7vIZ/"
+      "PuvPz9xgnGMUbBOfhCf3Epb1N4Jz82pxxrOFhUawWAglC9C4fUeZLCZpOJs\nQd4QeAznkyd"
+      "l3xbqdSm74kwxE6vkGEzSCDnC7aYx0Rvvr1mZOKdl4AinYrxzWgmV\nsTnaFT1soSjmC5e/"
+      "i6Jcrs4dDFgY6mKy9Qtly2XPSCYljm6L4SgqgJNmlpY0qYJg\nO++"
+      "BdofIbU2jsOiCMvIuKkbMn72NsPQG0QhnVMwk7kYg6kkCAwEAAaMNMAswCQYD\nVR0TBAIwA"
+      "DANBgkqhkiG9w0BAQUFAAOCAQEAW0bQl9yjBc7DgMp94i7ZDOUxKQrz\nthephuwzb3/"
+      "wWiTHcw6KK6FRPefXn6NPWxKKeQmv/"
+      "tBxHbVlmYRXUbrhksnD0aUk\ni4InvtL2m0H1fPfMxmJRFE+HoSXu+"
+      "s0sGON831JaMcYRbAku5uHnltaGNzOI0KPH\nFGoCDmjAZD+IuoR2LR4FuuTrECK7KLjkdf/"
+      "/z5d5j7nBDPZS7uTCwC/"
+      "BwM9asRj3\ntJA5VRFbLbsit1VI7IaRCk9rsSKkpBUaVeKbPLz+y/"
+      "Z6JonXXT6AxsfgUSKDd4B7\nMYLrTwMQfGuUaaaKko6ldKIrovjrcPloQr1Hxb2bipFcjLmG"
+      "7nxQLoS6vQ==\n"
+      "-----END CERTIFICATE-----\n";

[Ryan Sleevi, 2013/08/28 21:52:29]

Please ignore clang-format here and format it a bit more intelligently by hand
if needed.

vim/emacs should make this easy, hopefully. Things like "\n" on line 18 are
really awkward, as are all the embedded "\n" at the 64-char mark.

[mef, 2013/08/29 14:59:09]

Done.

+
+  // const char* mac_address = "4C:AA:16:A5:AC:DF";

[Ryan Sleevi, 2013/08/28 21:52:29]

nit: outdated comment?

[mef, 2013/08/29 14:59:09]

Done.

+  static const char kName[] = "eureka8997";
+  static const char kSsdpUdn[] = "c5b2a83b-5958-7ce6-b179-e1f44699429b";
+  static const char kHotspotBssid[] = "00:1A:11:FF:AC:DF";
+  static const char kPublicKey[] =
+      "MIGJAoGBAK3SXmWZBOhJibv8It05qIbgHXXhnCXxHkW+"
+      "C6jNMHR5sZgDpFaOY1xwXERjKdJxcwrEy3VAT5Uv9MgHPBvxxJku76HYh1yVfIw1rhLnHBTH"
+      "SxwUzJNCrgc3l3t/"
+      "UACacLjVNIzccDpYf2vnOcA+t1t6IXRjzuU2NdwY4dJXNtWPAgMBAAE=";
+  static const char kNonce[] = "+6KSGuRu833m1+TP";
+  static const char kSignedData[] = "vwMBgANrp5XpCswLyk/"
+      "OTXT56ORPeIWjH7xAdCk3qgjkwI6+8o56zJS02+"
+      "tC5hhIHWh7oppTmWYF4tKvBQ3GeCz7IW9f7HWDMtO7x7yRWxzJyehaJbCfXvLdfs0/"
+      "WKllzvGVBgNpcIAwU2NSFUG/"
+      "jpXclntFzds0EUJG9wHxS6PXXSYRu+PlIFdCDcQJsUlnwO9AGFOJRV/"
+      "aARGh8YUTWCFIQPOtPEqT5eegt+"
+      "TLf01Gq0YcrRwSTKy1I3twOnWiMfIdkJdQKPtBwwbvuAyGuqYFocfjKABbnH9Tvl04yyO3eu"
+      "KbYlSqaF/l8CXmzDJTyO7tDOFK59bV9auE4KljrQ==";
+
+  std::string unsigned_data = base::StringPrintf(
+      "%s,%s,%s,%s,%s", kName, kSsdpUdn, kHotspotBssid, kPublicKey, kNonce);
+  std::string signed_data;
+  base::Base64Decode(kSignedData, &signed_data);
+
+  NetworkingPrivateCrypto crypto;
+  EXPECT_TRUE(crypto.VerifyCredentials(
+      kCertData, signed_data, unsigned_data, kHotspotBssid));
+}
+
+TEST(NetworkingPrivateCryptoTest, EncryptString) {
+  NetworkingPrivateCrypto crypto;
+  static const char kPublicKey[] = "MIGJAoGBANTjeoILNkSKHVkd3my/"

[Ryan Sleevi, 2013/08/28 21:52:29]

nit: place this on a newline, and reflow/reformat.

[mef, 2013/08/29 14:59:09]

Done.

+      "rSwNi+9t473vPJU0lkM8nn9C7+"
+      "gmaPvEWg4ZNkMd12aIXDXVHrjgjcS80bPE0ykhN9J7EYkJ+"
+      "43oulJMrEnyDy5KQo7U3MKBdjaKFTS+"
+      "OPyohHpI8GqHKM8UMkLPVtAKu1BXgGTSDvEaBAuoVT2PM4XNAgMBAAE=";
+  static const char kPrivateKey[] =
+      "-----BEGIN PRIVATE KEY-----\n"
+      "MIICdwIBADANBgkqhkiG9w0BAQEFAASCAmEwggJdAgEAAoGBANTjeoILNkSKHVkd\n"
+      "3my/rSwNi+9t473vPJU0lkM8nn9C7+gmaPvEWg4ZNkMd12aIXDXVHrjgjcS80bPE\n"
+      "0ykhN9J7EYkJ+43oulJMrEnyDy5KQo7U3MKBdjaKFTS+OPyohHpI8GqHKM8UMkLP\n"
+      "VtAKu1BXgGTSDvEaBAuoVT2PM4XNAgMBAAECgYEAt91H/2zjj8qhkkhDxDS/wd5p\n"
+      "T37fRTmMX2ktpiCC23LadOxHm7p39Nk9jjYFxV5cFXpdsFrw1kwl6VdC8LDp3eGu\n"
+      "Ku1GCqj5H2fpnkmL2goD01HRkPR3ro4uBHPtTXDbCIz0qp+NGlGG4gPUysMXxHSb\n"
+      "E5FIWeUx6gcPvidwrpkCQQD40FXY46KDJT8JVYJMqY6nFQZvptFl+9BGWfheVVSF\n"
+      "KBlTQBx/QA+XcC/W9Q/I+NEhdGcxLlkEMUpihSpYffKbAkEA2wmFfccdheTtoOuY\n"
+      "8oTurbnFHsS7gLtcR2IbRJKXw80CJxTQA/LMWz0YuFOAYJNl/9ILMfp6MQiI4L9F\n"
+      "l6pbtwJAJqkAXcXo72WvKL0flNfXsYBj0p9h8+2vi+7Y15d8nYAAh13zz5XdllM5\n"
+      "K7ZCMKDwpbkXe53O+QbLnwk/7iYLtwJAERT6AygfJk0HNzCIeglh78x4EgE3uj9i\n"
+      "X/LHu55PFacMTu3xlw09YLQwFFf2wBFeuAeyddBZ7S8ENbrU+5H+mwJBAO2E6gwG\n"
+      "e5ZqY4RmsQmv6K0rn5k+UT4qlPeVp1e6LnvO/PcKWOaUvDK59qFZoX4vN+iFUAbk\n"
+      "IuvhmL9u/uPWWck=\n"
+      "-----END PRIVATE KEY-----";
+  static const char kBadKeyData[] = "bad key";
+  static const char kTestData[] = "disco boy";
+
+  std::string public_key;
+  base::Base64Decode(kPublicKey, &public_key);
+
+  std::string encrypted_output;
+  std::string plain = kTestData;
+
+  EXPECT_TRUE(crypto.EncryptByteString(public_key, plain, &encrypted_output));
+
+  std::string decrypted;
+  EXPECT_TRUE(
+      crypto.DecryptByteString(kPrivateKey, encrypted_output, &decrypted));
+  EXPECT_TRUE(decrypted == plain);

[Ryan Sleevi, 2013/08/28 21:52:29]

Why not EXPECT_EQ ?

[mef, 2013/08/29 14:59:09]

Done.

+
+  EXPECT_FALSE(
+      crypto.EncryptByteString(kBadKeyData, kTestData, &encrypted_output));
+}
+
+}  // namespace