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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_INTERNAL_H_
#define CRYPTO_NSS_UTIL_INTERNAL_H_
#include <secmodt.h>
#include "base/callback.h"
#include "base/compiler_specific.h"
#include "crypto/crypto_export.h"
#include "crypto/scoped_nss_types.h"
namespace base {
class FilePath;
}
// These functions return a type defined in an NSS header, and so cannot be
// declared in nss_util.h. Hence, they are declared here.
namespace crypto {
// Returns a reference to the default NSS key slot for storing
// public-key data only (e.g. server certs). Caller must release
// returned reference with PK11_FreeSlot.
CRYPTO_EXPORT PK11SlotInfo* GetPublicNSSKeySlot() WARN_UNUSED_RESULT;
// Returns a reference to the default slot for storing private-key and
// mixed private-key/public-key data. Returns a hardware (TPM) NSS
// key slot if on ChromeOS and EnableTPMForNSS() has been called
// successfully. Caller must release returned reference with
// PK11_FreeSlot.
CRYPTO_EXPORT PK11SlotInfo* GetPrivateNSSKeySlot() WARN_UNUSED_RESULT;
// A helper class that acquires the SECMOD list read lock while the
// AutoSECMODListReadLock is in scope.
class AutoSECMODListReadLock {
public:
AutoSECMODListReadLock();
~AutoSECMODListReadLock();
private:
SECMODListLock* lock_;
DISALLOW_COPY_AND_ASSIGN(AutoSECMODListReadLock);
};
#if defined(OS_CHROMEOS)
// Prepare per-user NSS slot mapping. It is safe to call this function multiple
// times. Returns true if the user was added, or false if it already existed.
CRYPTO_EXPORT bool InitializeNSSForChromeOSUser(
const std::string& email,
const std::string& username_hash,
bool is_primary_user,
const base::FilePath& path) WARN_UNUSED_RESULT;
// Use TPM slot |slot_id| for user. InitializeNSSForChromeOSUser must have been
// called first.
CRYPTO_EXPORT void InitializeTPMForChromeOSUser(
const std::string& username_hash,
CK_SLOT_ID slot_id);
// Use the software slot as the private slot for user.
// InitializeNSSForChromeOSUser must have been called first.
CRYPTO_EXPORT void InitializePrivateSoftwareSlotForChromeOSUser(
const std::string& username_hash);
// Returns a reference to the public slot for user.
CRYPTO_EXPORT ScopedPK11Slot GetPublicSlotForChromeOSUser(
const std::string& username_hash) WARN_UNUSED_RESULT;
// Returns the private slot for |username_hash| if it is loaded. If it is not
// loaded and |callback| is non-null, the |callback| will be run once the slot
// is loaded.
CRYPTO_EXPORT ScopedPK11Slot GetPrivateSlotForChromeOSUser(
const std::string& username_hash,
const base::Callback<void(ScopedPK11Slot)>& callback) WARN_UNUSED_RESULT;
#endif // defined(OS_CHROMEOS)
} // namespace crypto
#endif // CRYPTO_NSS_UTIL_INTERNAL_H_
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