ppapi/shared_impl/ppb_crypto_shared.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/rand_util.h"
   6 #include "ppapi/c/dev/ppb_crypto_dev.h"
   7 #include "ppapi/thunk/thunk.h"
   8
   9 // The crypto interface doesn't have a normal C -> C++ thunk since it doesn't
  10 // actually have any proxy wrapping or associated objects; it's just a call
  11 // into base. So we implement the entire interface here, using the thunk
  12 // namespace so it magically gets hooked up in the proper places.
  13
  14 namespace ppapi {
  15
  16 namespace {
  17
  18 void GetRandomBytes(char* buffer, uint32_t num_bytes) {
  19   base::RandBytes(buffer, num_bytes);
  20 }
  21
  22 const PPB_Crypto_Dev crypto_interface = {&GetRandomBytes};
  23
  24 }  // namespace
  25
  26 namespace thunk {
  27
  28 PPAPI_THUNK_EXPORT const PPB_Crypto_Dev_0_1* GetPPB_Crypto_Dev_0_1_Thunk() {
  29   return &crypto_interface;
  30 }
  31
  32 }  // namespace thunk
  33
  34 }  // namespace ppapi