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1 // Copyright (c) 2014 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 #ifndef CONTENT_RENDERER_WEBCRYPTO_CRYPTO_DATA_ | |
6 #define CONTENT_RENDERER_WEBCRYPTO_CRYPTO_DATA_ | |
7 | |
8 #include <string> | |
9 #include <vector> | |
10 | |
11 #include "base/basictypes.h" | |
12 #include "content/common/content_export.h" | |
13 | |
14 namespace blink { | |
15 class WebArrayBuffer; | |
16 } | |
17 | |
18 namespace content { | |
19 | |
20 namespace webcrypto { | |
21 | |
22 // Helper to pass around a range of immutable bytes. This is conceptually | |
23 // similar to base::StringPiece, but for crypto byte data. | |
24 // | |
25 // The data used at construction is NOT owned, and should remain valid as long | |
26 // as the CryptoData is being used. | |
27 class CONTENT_EXPORT CryptoData { | |
Ryan Sleevi
2014/02/07 21:18:49
CryptoDataReference?
| |
28 public: | |
29 // Constructs empty data. | |
30 CryptoData(); | |
31 | |
32 CryptoData(const unsigned char* bytes, unsigned int byte_length); | |
33 | |
34 // Allow implicit conversions for convenience. | |
35 CryptoData(const std::vector<unsigned char>& bytes); | |
36 CryptoData(const std::string& bytes); | |
37 CryptoData(const blink::WebArrayBuffer& buffer); | |
38 | |
39 const unsigned char* bytes() const { return bytes_; } | |
40 unsigned int byte_length() const { return byte_length_; } | |
41 | |
42 private: | |
43 const unsigned char* bytes_; | |
44 const unsigned int byte_length_; | |
45 | |
46 // Copying would not be safe, since the data is not owned. | |
47 DISALLOW_COPY_AND_ASSIGN(CryptoData); | |
48 }; | |
49 | |
50 } // namespace webcrypto | |
51 | |
52 } // namespace content | |
53 | |
54 #endif // CONTENT_RENDERER_WEBCRYPTO_CRYPTO_DATA_ | |
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