1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <binder/IInterface.h>
#include <media/stagefright/foundation/ABase.h>
#ifndef ANDROID_ICRYPTO_H_
#define ANDROID_ICRYPTO_H_
namespace android {
struct ICrypto : public IInterface {
DECLARE_META_INTERFACE(Crypto);
virtual status_t initialize() = 0;
virtual status_t terminate() = 0;
virtual status_t setEntitlementKey(
const void *key, size_t keyLength) = 0;
virtual status_t setEntitlementControlMessage(
const void *msg, size_t msgLength) = 0;
// "dstData" is in media_server's address space (but inaccessible).
virtual ssize_t decryptVideo(
const void *iv, size_t ivLength,
const void *srcData, size_t srcDataSize,
void *dstData, size_t dstDataOffset) = 0;
// "dstData" is in the calling process' address space.
virtual ssize_t decryptAudio(
const void *iv, size_t ivLength,
const void *srcData, size_t srcDataSize,
void *dstData, size_t dstDataSize) = 0;
private:
DISALLOW_EVIL_CONSTRUCTORS(ICrypto);
};
struct BnCrypto : public BnInterface<ICrypto> {
virtual status_t onTransact(
uint32_t code, const Parcel &data, Parcel *reply,
uint32_t flags = 0);
};
} // namespace android
#endif // ANDROID_ICRYPTO_H_
|