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1 // Copyright (c) 2009 The Chromium OS Authors. All rights reserved. | 1 // Copyright (c) 2009 The Chromium OS Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROMEOS_PLATFORM_UPDATE_ENGINE_OMAHA_HASH_CALCULATOR_H__ | 5 #ifndef CHROMEOS_PLATFORM_UPDATE_ENGINE_OMAHA_HASH_CALCULATOR_H__ |
6 #define CHROMEOS_PLATFORM_UPDATE_ENGINE_OMAHA_HASH_CALCULATOR_H__ | 6 #define CHROMEOS_PLATFORM_UPDATE_ENGINE_OMAHA_HASH_CALCULATOR_H__ |
7 | 7 |
8 #include <string> | 8 #include <string> |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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63 static bool RawHashOfData(const std::vector<char>& data, | 63 static bool RawHashOfData(const std::vector<char>& data, |
64 std::vector<char>* out_hash); | 64 std::vector<char>* out_hash); |
65 static off_t RawHashOfFile(const std::string& name, off_t length, | 65 static off_t RawHashOfFile(const std::string& name, off_t length, |
66 std::vector<char>* out_hash); | 66 std::vector<char>* out_hash); |
67 | 67 |
68 // Used by tests | 68 // Used by tests |
69 static std::string OmahaHashOfBytes(const void* data, size_t length); | 69 static std::string OmahaHashOfBytes(const void* data, size_t length); |
70 static std::string OmahaHashOfString(const std::string& str); | 70 static std::string OmahaHashOfString(const std::string& str); |
71 static std::string OmahaHashOfData(const std::vector<char>& data); | 71 static std::string OmahaHashOfData(const std::vector<char>& data); |
72 | 72 |
| 73 static bool Base64Encode(const void* data, size_t size, std::string* out); |
| 74 |
73 private: | 75 private: |
74 // If non-empty, the final base64 encoded hash and the raw hash. Will only be | 76 // If non-empty, the final base64 encoded hash and the raw hash. Will only be |
75 // set to non-empty when Finalize is called. | 77 // set to non-empty when Finalize is called. |
76 std::string hash_; | 78 std::string hash_; |
77 std::vector<char> raw_hash_; | 79 std::vector<char> raw_hash_; |
78 | 80 |
79 // Init success | 81 // Init success |
80 bool valid_; | 82 bool valid_; |
81 | 83 |
82 // The hash state used by OpenSSL | 84 // The hash state used by OpenSSL |
83 SHA256_CTX ctx_; | 85 SHA256_CTX ctx_; |
84 DISALLOW_COPY_AND_ASSIGN(OmahaHashCalculator); | 86 DISALLOW_COPY_AND_ASSIGN(OmahaHashCalculator); |
85 }; | 87 }; |
86 | 88 |
87 } // namespace chromeos_update_engine | 89 } // namespace chromeos_update_engine |
88 | 90 |
89 #endif // CHROMEOS_PLATFORM_UPDATE_ENGINE_OMAHA_HASH_CALCULATOR_H__ | 91 #endif // CHROMEOS_PLATFORM_UPDATE_ENGINE_OMAHA_HASH_CALCULATOR_H__ |
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