Index: base/rand_util_nacl.cc |
diff --git a/base/rand_util_nacl.cc b/base/rand_util_nacl.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..c2e92455ea1bb0944e56f2627a26e87dbec695af |
--- /dev/null |
+++ b/base/rand_util_nacl.cc |
@@ -0,0 +1,48 @@ |
+// 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 <stdlib.h> |
+ |
+#include "base/lazy_instance.h" |
+#include "base/logging.h" |
+#include "ppapi/c/dev/ppb_crypto_dev.h" |
+#include "ppapi/cpp/module.h" |
+ |
+namespace { |
+ |
+class PepperCrypto { |
+ public: |
+ PepperCrypto() { |
+ ppb_crypto_ = reinterpret_cast<const PPB_Crypto_Dev*>( |
+ pp::Module::Get()->GetPluginInterface(PPB_CRYPTO_DEV_INTERFACE)); |
bradn
2012/07/24 23:02:29
Two questions:
1. I had the impression this interf
|
+ DCHECK(ppb_crypto_); |
+ } |
+ |
+ ~PepperCrypto() { |
+ } |
+ |
+ void GetRandomBytes(char* buffer, uint32_t num_bytes) { |
+ ppb_crypto_->GetRandomBytes(buffer, num_bytes); |
+ } |
+ |
+ private: |
+ const PPB_Crypto_Dev* ppb_crypto_; |
+}; |
+ |
+base::LazyInstance<PepperCrypto> g_pepper_crypto = LAZY_INSTANCE_INITIALIZER; |
+ |
+} // namespace |
+ |
+namespace base { |
+ |
+uint64 RandUint64() { |
+ uint64 result; |
+ g_pepper_crypto.Pointer()->GetRandomBytes( |
+ reinterpret_cast<char*>(&result), sizeof(result)); |
+ return result; |
+} |
+ |
+} // namespace base |