// Copyright (c) 2011 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_
#pragma once

#include <secmodt.h>

#include "crypto/crypto_api.h"

// 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_API PK11SlotInfo* GetPublicNSSKeySlot();

// 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_API PK11SlotInfo* GetPrivateNSSKeySlot();

// 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);
};

}  // namespace crypto

#endif  // CRYPTO_NSS_UTIL_INTERNAL_H_
