AesCtrDecryptor.h revision 16dfdcff6e4bb025220b88d5fc132ae48e7cb437
1/*
2 * Copyright (C) 2014 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef CLEARKEY_AES_CTR_DECRYPTOR_H_
18#define CLEARKEY_AES_CTR_DECRYPTOR_H_
19
20#include <media/stagefright/foundation/ABase.h>
21#include <Utils.h>
22#include <utils/Errors.h>
23#include <utils/Vector.h>
24
25#include "ClearKeyTypes.h"
26
27namespace clearkeydrm {
28
29class AesCtrDecryptor {
30public:
31    AesCtrDecryptor() {}
32
33    android::status_t decrypt(const android::Vector<uint8_t>& key, const Iv iv,
34            const uint8_t* source, uint8_t* destination,
35            const SubSample* subSamples, size_t numSubSamples,
36            size_t* bytesDecryptedOut);
37
38private:
39    DISALLOW_EVIL_CONSTRUCTORS(AesCtrDecryptor);
40};
41
42} // namespace clearkeydrm
43
44#endif // CLEARKEY_AES_CTR_DECRYPTOR_H_
45