15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved.
25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be
35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file.
45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/rand_util.h"
65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/c/dev/ppb_crypto_dev.h"
75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ppapi/thunk/thunk.h"
85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// The crypto interface doesn't have a normal C -> C++ thunk since it doesn't
105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// actually have any proxy wrapping or associated objects; it's just a call
115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// into base. So we implement the entire interface here, using the thunk
125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// namespace so it magically gets hooked up in the proper places.
135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace ppapi {
155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace {
175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)void GetRandomBytes(char* buffer, uint32_t num_bytes) {
195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  base::RandBytes(buffer, num_bytes);
205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}
215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)const PPB_Crypto_Dev crypto_interface = {
235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  &GetRandomBytes
245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)};
255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}  // namespace
275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace thunk {
295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)PPAPI_THUNK_EXPORT const PPB_Crypto_Dev_0_1* GetPPB_Crypto_Dev_0_1_Thunk() {
315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  return &crypto_interface;
325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}
335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}  // namespace thunk
355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}  // namespace ppapi
37