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- // Copyright (c) 2012 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.
- #ifndef CRYPTO_NSS_UTIL_H_
- #define CRYPTO_NSS_UTIL_H_
- #include <stdint.h>
- #include "base/callback_forward.h"
- #include "base/compiler_specific.h"
- #include "base/files/file_path.h"
- #include "build/chromeos_buildflags.h"
- #include "crypto/crypto_export.h"
- namespace base {
- class Time;
- } // namespace base
- // This file specifically doesn't depend on any NSS or NSPR headers because it
- // is included by various (non-crypto) parts of chrome to call the
- // initialization functions.
- namespace crypto {
- // Initialize NRPR if it isn't already initialized. This function is
- // thread-safe, and NSPR will only ever be initialized once.
- CRYPTO_EXPORT void EnsureNSPRInit();
- // Initialize NSS if it isn't already initialized. This must be called before
- // any other NSS functions. This function is thread-safe, and NSS will only
- // ever be initialized once.
- CRYPTO_EXPORT void EnsureNSSInit();
- // Check if the current NSS version is greater than or equals to |version|.
- // A sample version string is "3.12.3".
- bool CheckNSSVersion(const char* version);
- #if BUILDFLAG(IS_CHROMEOS_ASH)
- // Returns true once the TPM is owned and PKCS#11 initialized with the
- // user and security officer PINs, and Chaps has been successfully loaded into
- // NSS. Returns false if the TPM will never be loaded.
- CRYPTO_EXPORT void IsTPMTokenEnabled(base::OnceCallback<void(bool)> callback);
- // Initialize the TPM token and system slot. The |callback| will run on the same
- // thread with true if the token and slot were successfully loaded or were
- // already initialized. |callback| will be passed false if loading failed.
- // Should be called only once.
- CRYPTO_EXPORT void InitializeTPMTokenAndSystemSlot(
- int system_slot_id,
- base::OnceCallback<void(bool)> callback);
- // Notifies clients that the TPM has finished initialization (i.e. notify
- // the callbacks of `IsTPMTokenEnabled()` or `GetSystemNSSKeySlot()`).
- // If `InitializeTPMTokenAndSystemSlot()` has been called before this method,
- // this signals that the TPM is enabled, and should use the slot configured by
- // those methods. If neither of those methods have been called, this signals
- // that no TPM system slot will be available.
- CRYPTO_EXPORT void FinishInitializingTPMTokenAndSystemSlot();
- // TODO(crbug.com/1163303) Remove when the bug is fixed.
- // Can be used to collect additional information when public slot fails to open.
- // Mainly checks the access permissions on the files and tries to read them.
- // Crashes Chrome because it will crash anyway when it tries to instantiate
- // NSSCertDatabase with a nullptr public slot, crashing early can provide better
- // logs/stacktraces for diagnosing.
- // Takes `nss_path` where NSS is supposed to be (or created). Will attempt
- // creating the path if it doesn't exist (to check that it can be done).
- // Theoretically the path should already exist because it's created when Chrome
- // tries to open the public slot.
- CRYPTO_EXPORT void DiagnosePublicSlotAndCrash(const base::FilePath& nss_path);
- #endif // BUILDFLAG(IS_CHROMEOS_ASH)
- // Convert a NSS PRTime value into a base::Time object.
- // We use a int64_t instead of PRTime here to avoid depending on NSPR headers.
- CRYPTO_EXPORT base::Time PRTimeToBaseTime(int64_t prtime);
- // Convert a base::Time object into a PRTime value.
- // We use a int64_t instead of PRTime here to avoid depending on NSPR headers.
- CRYPTO_EXPORT int64_t BaseTimeToPRTime(base::Time time);
- } // namespace crypto
- #endif // CRYPTO_NSS_UTIL_H_
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