Andrew de los Reyes | 0c44005 | 2010-08-20 11:25:54 -0700 | [diff] [blame] | 1 | // Copyright (c) 2010 The Chromium OS 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 <string> |
| 6 | #include <vector> |
| 7 | #include <gtest/gtest.h> |
| 8 | #include "base/logging.h" |
| 9 | #include "update_engine/payload_signer.h" |
| 10 | #include "update_engine/update_metadata.pb.h" |
| 11 | #include "update_engine/utils.h" |
| 12 | |
| 13 | using std::string; |
| 14 | using std::vector; |
| 15 | |
| 16 | // Note: the test key was generated with the following command: |
| 17 | // openssl genrsa -out unittest_key.pem 1024 |
| 18 | |
Andrew de los Reyes | 0c44005 | 2010-08-20 11:25:54 -0700 | [diff] [blame] | 19 | namespace chromeos_update_engine { |
| 20 | |
Andrew de los Reyes | 932bc4c | 2010-08-23 18:14:09 -0700 | [diff] [blame] | 21 | const char* kUnittestPrivateKeyPath = "unittest_key.pem"; |
Darin Petkov | d7061ab | 2010-10-06 14:37:09 -0700 | [diff] [blame] | 22 | const char* kUnittestPublicKeyPath = "unittest_key.pub.pem"; |
| 23 | |
| 24 | // Some data and its corresponding hash and signature: |
| 25 | const char kDataToSign[] = "This is some data to sign."; |
| 26 | const char kDataHash[] = { |
| 27 | 0x7a, 0x07, 0xa6, 0x44, 0x08, 0x86, 0x20, 0xa6, |
| 28 | 0xc1, 0xf8, 0xd9, 0x02, 0x05, 0x63, 0x0d, 0xb7, |
| 29 | 0xfc, 0x2b, 0xa0, 0xa9, 0x7c, 0x9d, 0x1d, 0x8c, |
| 30 | 0x01, 0xf5, 0x78, 0x6d, 0xc5, 0x11, 0xb4, 0x06 |
| 31 | }; |
| 32 | const char kDataSignature[] = { |
| 33 | 0xa4, 0xbc, 0x8f, 0xeb, 0x81, 0x05, 0xaa, 0x56, |
| 34 | 0x1b, 0x56, 0xe5, 0xcb, 0x9b, 0x1a, 0x00, 0xd7, |
| 35 | 0x1d, 0x87, 0x8e, 0xda, 0x5e, 0x90, 0x09, 0xb8, |
| 36 | 0x15, 0xf4, 0x25, 0x97, 0x2f, 0x3c, 0xa1, 0xf3, |
| 37 | 0x02, 0x75, 0xcd, 0x67, 0x4b, 0x0c, 0x1f, 0xf5, |
| 38 | 0x6e, 0xf1, 0x58, 0xd7, 0x0d, 0x8c, 0x18, 0x91, |
| 39 | 0x52, 0x30, 0x98, 0x64, 0x58, 0xc0, 0xe2, 0xb5, |
| 40 | 0x77, 0x3b, 0x96, 0x8f, 0x05, 0xc4, 0x7f, 0x7a, |
| 41 | 0x9a, 0x44, 0x0f, 0xc7, 0x1b, 0x90, 0x83, 0xf8, |
| 42 | 0x69, 0x05, 0xa8, 0x02, 0x57, 0xcd, 0x2e, 0x5b, |
| 43 | 0x96, 0xc7, 0x77, 0xa6, 0x1f, 0x97, 0x97, 0x05, |
| 44 | 0xb3, 0x30, 0x1c, 0x27, 0xd7, 0x2d, 0x31, 0x60, |
| 45 | 0x84, 0x7e, 0x99, 0x00, 0xe6, 0xe1, 0x39, 0xa6, |
| 46 | 0xf3, 0x3a, 0x72, 0xba, 0xc4, 0xfe, 0x68, 0xa9, |
| 47 | 0x08, 0xfa, 0xbc, 0xa8, 0x44, 0x66, 0xa0, 0x60, |
| 48 | 0xde, 0xc9, 0xb2, 0xba, 0xbc, 0x80, 0xb5, 0x55 |
| 49 | }; |
Andrew de los Reyes | 932bc4c | 2010-08-23 18:14:09 -0700 | [diff] [blame] | 50 | |
Andrew de los Reyes | 0c44005 | 2010-08-20 11:25:54 -0700 | [diff] [blame] | 51 | //class PayloadSignerTest : public ::testing::Test {}; |
| 52 | |
Darin Petkov | d7061ab | 2010-10-06 14:37:09 -0700 | [diff] [blame] | 53 | namespace { |
| 54 | void SignSampleData(vector<char>* out_signature_blob) { |
Andrew de los Reyes | 0c44005 | 2010-08-20 11:25:54 -0700 | [diff] [blame] | 55 | string data_path; |
| 56 | ASSERT_TRUE( |
| 57 | utils::MakeTempFile("/tmp/data.XXXXXX", &data_path, NULL)); |
| 58 | ScopedPathUnlinker data_path_unlinker(data_path); |
| 59 | ASSERT_TRUE(utils::WriteFile(data_path.c_str(), |
Darin Petkov | d7061ab | 2010-10-06 14:37:09 -0700 | [diff] [blame] | 60 | kDataToSign, |
| 61 | strlen(kDataToSign))); |
Andrew de los Reyes | 0c44005 | 2010-08-20 11:25:54 -0700 | [diff] [blame] | 62 | uint64_t length = 0; |
| 63 | EXPECT_TRUE(PayloadSigner::SignatureBlobLength(kUnittestPrivateKeyPath, |
| 64 | &length)); |
| 65 | EXPECT_GT(length, 0); |
Andrew de los Reyes | 0c44005 | 2010-08-20 11:25:54 -0700 | [diff] [blame] | 66 | EXPECT_TRUE(PayloadSigner::SignPayload(data_path, |
| 67 | kUnittestPrivateKeyPath, |
Darin Petkov | d7061ab | 2010-10-06 14:37:09 -0700 | [diff] [blame] | 68 | out_signature_blob)); |
| 69 | EXPECT_EQ(length, out_signature_blob->size()); |
| 70 | } |
| 71 | } |
| 72 | |
| 73 | TEST(PayloadSignerTest, SimpleTest) { |
| 74 | vector<char> signature_blob; |
| 75 | SignSampleData(&signature_blob); |
Andrew de los Reyes | 0c44005 | 2010-08-20 11:25:54 -0700 | [diff] [blame] | 76 | |
| 77 | // Check the signature itself |
Andrew de los Reyes | 0c44005 | 2010-08-20 11:25:54 -0700 | [diff] [blame] | 78 | Signatures signatures; |
| 79 | EXPECT_TRUE(signatures.ParseFromArray(&signature_blob[0], |
| 80 | signature_blob.size())); |
| 81 | EXPECT_EQ(1, signatures.signatures_size()); |
| 82 | const Signatures_Signature& signature = signatures.signatures(0); |
| 83 | EXPECT_EQ(kSignatureMessageVersion, signature.version()); |
| 84 | const string sig_data = signature.data(); |
Darin Petkov | d7061ab | 2010-10-06 14:37:09 -0700 | [diff] [blame] | 85 | ASSERT_EQ(arraysize(kDataSignature), sig_data.size()); |
| 86 | for (size_t i = 0; i < arraysize(kDataSignature); i++) { |
| 87 | EXPECT_EQ(kDataSignature[i], sig_data[i]); |
| 88 | } |
| 89 | } |
| 90 | |
Darin Petkov | b039d50 | 2010-12-03 09:08:04 -0800 | [diff] [blame^] | 91 | TEST(PayloadSignerTest, VerifySignatureTest) { |
Darin Petkov | d7061ab | 2010-10-06 14:37:09 -0700 | [diff] [blame] | 92 | vector<char> signature_blob; |
| 93 | SignSampleData(&signature_blob); |
| 94 | |
| 95 | vector<char> hash_data; |
| 96 | EXPECT_TRUE(PayloadSigner::VerifySignature(signature_blob, |
| 97 | kUnittestPublicKeyPath, |
| 98 | &hash_data)); |
| 99 | ASSERT_EQ(arraysize(kDataHash), hash_data.size()); |
| 100 | for (size_t i = 0; i < arraysize(kDataHash); i++) { |
| 101 | EXPECT_EQ(kDataHash[i], hash_data[i]); |
Andrew de los Reyes | 0c44005 | 2010-08-20 11:25:54 -0700 | [diff] [blame] | 102 | } |
| 103 | } |
| 104 | |
| 105 | } // namespace chromeos_update_engine |