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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium 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 CRYPTO_NSS_UTIL_H_ | 5 #ifndef CRYPTO_NSS_UTIL_H_ |
6 #define CRYPTO_NSS_UTIL_H_ | 6 #define CRYPTO_NSS_UTIL_H_ |
7 | 7 |
| 8 #include <stdint.h> |
| 9 |
8 #include <string> | 10 #include <string> |
9 #include "base/basictypes.h" | |
10 #include "base/callback.h" | 11 #include "base/callback.h" |
11 #include "base/compiler_specific.h" | 12 #include "base/compiler_specific.h" |
| 13 #include "base/macros.h" |
12 #include "crypto/crypto_export.h" | 14 #include "crypto/crypto_export.h" |
13 | 15 |
14 namespace base { | 16 namespace base { |
15 class FilePath; | 17 class FilePath; |
16 class Lock; | 18 class Lock; |
17 class Time; | 19 class Time; |
18 } // namespace base | 20 } // namespace base |
19 | 21 |
20 // This file specifically doesn't depend on any NSS or NSPR headers because it | 22 // This file specifically doesn't depend on any NSS or NSPR headers because it |
21 // is included by various (non-crypto) parts of chrome to call the | 23 // is included by various (non-crypto) parts of chrome to call the |
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65 // thread with true if the token and slot were successfully loaded or were | 67 // thread with true if the token and slot were successfully loaded or were |
66 // already initialized. |callback| will be passed false if loading failed. Once | 68 // already initialized. |callback| will be passed false if loading failed. Once |
67 // called, InitializeTPMTokenAndSystemSlot must not be called again until the | 69 // called, InitializeTPMTokenAndSystemSlot must not be called again until the |
68 // |callback| has been run. | 70 // |callback| has been run. |
69 CRYPTO_EXPORT void InitializeTPMTokenAndSystemSlot( | 71 CRYPTO_EXPORT void InitializeTPMTokenAndSystemSlot( |
70 int system_slot_id, | 72 int system_slot_id, |
71 const base::Callback<void(bool)>& callback); | 73 const base::Callback<void(bool)>& callback); |
72 #endif | 74 #endif |
73 | 75 |
74 // Convert a NSS PRTime value into a base::Time object. | 76 // Convert a NSS PRTime value into a base::Time object. |
75 // We use a int64 instead of PRTime here to avoid depending on NSPR headers. | 77 // We use a int64_t instead of PRTime here to avoid depending on NSPR headers. |
76 CRYPTO_EXPORT base::Time PRTimeToBaseTime(int64 prtime); | 78 CRYPTO_EXPORT base::Time PRTimeToBaseTime(int64_t prtime); |
77 | 79 |
78 // Convert a base::Time object into a PRTime value. | 80 // Convert a base::Time object into a PRTime value. |
79 // We use a int64 instead of PRTime here to avoid depending on NSPR headers. | 81 // We use a int64_t instead of PRTime here to avoid depending on NSPR headers. |
80 CRYPTO_EXPORT int64 BaseTimeToPRTime(base::Time time); | 82 CRYPTO_EXPORT int64_t BaseTimeToPRTime(base::Time time); |
81 | 83 |
82 #if defined(USE_NSS_CERTS) | 84 #if defined(USE_NSS_CERTS) |
83 // NSS has a bug which can cause a deadlock or stall in some cases when writing | 85 // NSS has a bug which can cause a deadlock or stall in some cases when writing |
84 // to the certDB and keyDB. It also has a bug which causes concurrent key pair | 86 // to the certDB and keyDB. It also has a bug which causes concurrent key pair |
85 // generations to scribble over each other. To work around this, we synchronize | 87 // generations to scribble over each other. To work around this, we synchronize |
86 // writes to the NSS databases with a global lock. The lock is hidden beneath a | 88 // writes to the NSS databases with a global lock. The lock is hidden beneath a |
87 // function for easy disabling when the bug is fixed. Callers should allow for | 89 // function for easy disabling when the bug is fixed. Callers should allow for |
88 // it to return NULL in the future. | 90 // it to return NULL in the future. |
89 // | 91 // |
90 // See https://bugzilla.mozilla.org/show_bug.cgi?id=564011 | 92 // See https://bugzilla.mozilla.org/show_bug.cgi?id=564011 |
91 base::Lock* GetNSSWriteLock(); | 93 base::Lock* GetNSSWriteLock(); |
92 | 94 |
93 // A helper class that acquires the NSS write Lock while the AutoNSSWriteLock | 95 // A helper class that acquires the NSS write Lock while the AutoNSSWriteLock |
94 // is in scope. | 96 // is in scope. |
95 class CRYPTO_EXPORT AutoNSSWriteLock { | 97 class CRYPTO_EXPORT AutoNSSWriteLock { |
96 public: | 98 public: |
97 AutoNSSWriteLock(); | 99 AutoNSSWriteLock(); |
98 ~AutoNSSWriteLock(); | 100 ~AutoNSSWriteLock(); |
99 private: | 101 private: |
100 base::Lock *lock_; | 102 base::Lock *lock_; |
101 DISALLOW_COPY_AND_ASSIGN(AutoNSSWriteLock); | 103 DISALLOW_COPY_AND_ASSIGN(AutoNSSWriteLock); |
102 }; | 104 }; |
103 #endif // defined(USE_NSS_CERTS) | 105 #endif // defined(USE_NSS_CERTS) |
104 | 106 |
105 } // namespace crypto | 107 } // namespace crypto |
106 | 108 |
107 #endif // CRYPTO_NSS_UTIL_H_ | 109 #endif // CRYPTO_NSS_UTIL_H_ |
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