| Index: base/rand_util_nacl.cc
|
| ===================================================================
|
| --- base/rand_util_nacl.cc (revision 0)
|
| +++ base/rand_util_nacl.cc (revision 0)
|
| @@ -0,0 +1,54 @@
|
| +// 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.
|
| +
|
| +#include "base/rand_util.h"
|
| +#include "base/rand_util_c.h"
|
| +
|
| +#include "base/lazy_instance.h"
|
| +#include "base/logging.h"
|
| +
|
| +// TODO(bbudge) Replace this with a proper system header file when NaCl
|
| +// provides one.
|
| +#include "native_client/src/untrusted/irt/irt.h"
|
| +
|
| +namespace {
|
| +
|
| +// Create a wrapper class so we can cache the NaCl random number interface.
|
| +class URandomInterface {
|
| + public:
|
| + URandomInterface() {
|
| + size_t result = nacl_interface_query(NACL_IRT_RANDOM_v0_1,
|
| + &interface_,
|
| + sizeof(interface_));
|
| + DCHECK_EQ(result, sizeof(interface_)) << "Can't get random interface.";
|
| + }
|
| +
|
| + uint64 get_random_bytes() const {
|
| + size_t nbytes;
|
| + uint64 result;
|
| + int error = interface_.get_random_bytes(&result,
|
| + sizeof(result),
|
| + &nbytes);
|
| + DCHECK_EQ(error, 0);
|
| + DCHECK_EQ(nbytes, sizeof(result));
|
| + return result;
|
| + }
|
| +
|
| + private:
|
| + struct nacl_irt_random interface_;
|
| +};
|
| +
|
| +base::LazyInstance<URandomInterface> g_urandom_interface =
|
| + LAZY_INSTANCE_INITIALIZER;
|
| +
|
| +} // namespace
|
| +
|
| +namespace base {
|
| +
|
| +uint64 RandUint64() {
|
| + return g_urandom_interface.Pointer()->get_random_bytes();
|
| +}
|
| +
|
| +} // namespace base
|
| +
|
|
|
| Property changes on: base/rand_util_nacl.cc
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|