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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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 "net/quic/crypto/quic_random.h" | 5 #include "net/quic/crypto/quic_random.h" |
6 | 6 |
7 #include "base/logging.h" | 7 #include "base/logging.h" |
8 #include "base/memory/singleton.h" | 8 #include "base/memory/singleton.h" |
9 #include "crypto/random.h" | 9 #include "crypto/random.h" |
10 | 10 |
11 namespace net { | 11 namespace net { |
12 | 12 |
13 namespace { | 13 namespace { |
14 | 14 |
15 class DefaultRandom : public QuicRandom { | 15 class DefaultRandom : public QuicRandom { |
16 public: | 16 public: |
17 static DefaultRandom* GetInstance(); | 17 static DefaultRandom* GetInstance(); |
18 | 18 |
19 // QuicRandom implementation | 19 // QuicRandom implementation |
20 void RandBytes(void* data, size_t len) override; | 20 void RandBytes(void* data, size_t len) override; |
21 uint64 RandUint64() override; | 21 uint64 RandUint64() override; |
22 void Reseed(const void* additional_entropy, size_t entropy_len) override; | 22 void Reseed(const void* additional_entropy, size_t entropy_len) override; |
23 | 23 |
24 private: | 24 private: |
25 DefaultRandom() {}; | 25 DefaultRandom() {}; |
26 ~DefaultRandom() override {} | 26 ~DefaultRandom() override {} |
27 | 27 |
28 friend struct DefaultSingletonTraits<DefaultRandom>; | 28 friend struct base::DefaultSingletonTraits<DefaultRandom>; |
29 DISALLOW_COPY_AND_ASSIGN(DefaultRandom); | 29 DISALLOW_COPY_AND_ASSIGN(DefaultRandom); |
30 }; | 30 }; |
31 | 31 |
32 DefaultRandom* DefaultRandom::GetInstance() { | 32 DefaultRandom* DefaultRandom::GetInstance() { |
33 return Singleton<DefaultRandom>::get(); | 33 return base::Singleton<DefaultRandom>::get(); |
34 } | 34 } |
35 | 35 |
36 void DefaultRandom::RandBytes(void* data, size_t len) { | 36 void DefaultRandom::RandBytes(void* data, size_t len) { |
37 crypto::RandBytes(data, len); | 37 crypto::RandBytes(data, len); |
38 } | 38 } |
39 | 39 |
40 uint64 DefaultRandom::RandUint64() { | 40 uint64 DefaultRandom::RandUint64() { |
41 uint64 value; | 41 uint64 value; |
42 RandBytes(&value, sizeof(value)); | 42 RandBytes(&value, sizeof(value)); |
43 return value; | 43 return value; |
44 } | 44 } |
45 | 45 |
46 void DefaultRandom::Reseed(const void* additional_entropy, size_t entropy_len) { | 46 void DefaultRandom::Reseed(const void* additional_entropy, size_t entropy_len) { |
47 // No such function exists in crypto/random.h. | 47 // No such function exists in crypto/random.h. |
48 } | 48 } |
49 | 49 |
50 } // namespace | 50 } // namespace |
51 | 51 |
52 // static | 52 // static |
53 QuicRandom* QuicRandom::GetInstance() { return DefaultRandom::GetInstance(); } | 53 QuicRandom* QuicRandom::GetInstance() { return DefaultRandom::GetInstance(); } |
54 | 54 |
55 } // namespace net | 55 } // namespace net |
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