1 files changed, 36 insertions, 0 deletions
diff --git a/ppapi/shared_impl/crypto_impl.cc b/ppapi/shared_impl/crypto_impl.cc
new file mode 100644
index 0000000..42694d0
--- /dev/null
+++ b/ppapi/shared_impl/crypto_impl.cc
@@ -0,0 +1,36 @@
+// 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.
+
+#include "base/rand_util.h"
+#include "ppapi/c/dev/ppb_crypto_dev.h"
+#include "ppapi/thunk/thunk.h"
+
+// The crypto interface doesn't have a normal C -> C++ thunk since it doesn't
+// actually have any proxy wrapping or associated objects; it's just a call
+// into base. So we implement the entire interface here, using the thunk
+// namespace so it magically gets hooked up in the proper places.
+
+namespace ppapi {
+
+namespace {
+
+void GetRandomBytes(char* buffer, uint32_t num_bytes) {
+  base::RandBytes(buffer, num_bytes);
+}
+
+const PPB_Crypto_Dev crypto_interface = {
+  &GetRandomBytes
+};
+
+}  // namespace
+
+namespace thunk {
+
+PPAPI_THUNK_EXPORT const PPB_Crypto_Dev* GetPPB_Crypto_Dev_Thunk() {
+  return &crypto_interface;
+}
+
+}  // namespace thunk
+
+}  // namespace ppapi