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Side by Side Diff: media/cast/transport/utility/transport_encryption_handler.h

Issue 388663003: Cast: Reshuffle files under media/cast (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: missing includes Created 6 years, 5 months ago
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1 // Copyright 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 MEDIA_CAST_TRANSPORT_TRANSPORT_UTILITY_ENCRYPTION_HANDLER_H_
6 #define MEDIA_CAST_TRANSPORT_TRANSPORT_UTILITY_ENCRYPTION_HANDLER_H_
7
8 // Helper class to handle encryption for the Cast Transport library.
9 #include <string>
10
11 #include "base/basictypes.h"
12 #include "base/memory/scoped_ptr.h"
13 #include "base/strings/string_piece.h"
14 #include "base/threading/non_thread_safe.h"
15
16 namespace crypto {
17 class Encryptor;
18 class SymmetricKey;
19 }
20
21 namespace media {
22 namespace cast {
23 namespace transport {
24
25 class TransportEncryptionHandler : public base::NonThreadSafe {
26 public:
27 TransportEncryptionHandler();
28 ~TransportEncryptionHandler();
29
30 bool Initialize(std::string aes_key, std::string aes_iv_mask);
31
32 bool Encrypt(uint32 frame_id,
33 const base::StringPiece& data,
34 std::string* encrypted_data);
35
36 bool Decrypt(uint32 frame_id,
37 const base::StringPiece& ciphertext,
38 std::string* plaintext);
39
40 bool is_activated() const { return is_activated_; }
41
42 private:
43 scoped_ptr<crypto::SymmetricKey> key_;
44 scoped_ptr<crypto::Encryptor> encryptor_;
45 std::string iv_mask_;
46 bool is_activated_;
47
48 DISALLOW_COPY_AND_ASSIGN(TransportEncryptionHandler);
49 };
50
51 } // namespace transport
52 } // namespace cast
53 } // namespace media
54
55 #endif // MEDIA_CAST_TRANSPORT_TRANSPORT_UTILITY_ENCRYPTION_HANDLER_H_
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