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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "ppapi/shared_impl/crypto_impl.h" | 5 #include "ppapi/shared_impl/crypto_impl.h" |
6 | 6 |
7 #include "base/rand_util.h" | 7 #include "base/rand_util.h" |
8 | 8 |
9 namespace pp { | 9 namespace pp { |
10 namespace shared_impl { | 10 namespace shared_impl { |
11 | 11 |
12 // static | 12 // static |
13 void CryptoImpl::GetRandomBytes(char* buffer, uint32_t num_bytes) { | 13 void CryptoImpl::GetRandomBytes(char* buffer, uint32_t num_bytes) { |
14 // Note: this is a copy of WebKitClientImpl::cryptographicallyRandomValues. | 14 base::RandBytes(buffer, num_bytes); |
15 uint64 bytes = 0; | |
16 for (uint32_t i = 0; i < num_bytes; ++i) { | |
17 uint32_t offset = i % sizeof(bytes); | |
18 if (!offset) | |
19 bytes = base::RandUint64(); | |
20 buffer[i] = reinterpret_cast<char*>(&bytes)[offset]; | |
21 } | |
22 } | 15 } |
23 | 16 |
24 } // namespace shared_impl | 17 } // namespace shared_impl |
25 } // namespace pp | 18 } // namespace pp |
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