1 /* 2 * Copyright (C) 2012 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 #include <binder/IInterface.h> 18 #include <media/stagefright/foundation/ABase.h> 19 #include <media/hardware/CryptoAPI.h> 20 21 #ifndef ANDROID_ICRYPTO_H_ 22 23 #define ANDROID_ICRYPTO_H_ 24 25 namespace android { 26 27 struct AString; 28 29 struct ICrypto : public IInterface { 30 DECLARE_META_INTERFACE(Crypto); 31 32 virtual status_t initCheck() const = 0; 33 34 virtual bool isCryptoSchemeSupported(const uint8_t uuid[16]) = 0; 35 36 virtual status_t createPlugin( 37 const uint8_t uuid[16], const void *data, size_t size) = 0; 38 39 virtual status_t destroyPlugin() = 0; 40 41 virtual bool requiresSecureDecoderComponent( 42 const char *mime) const = 0; 43 44 virtual ssize_t decrypt( 45 bool secure, 46 const uint8_t key[16], 47 const uint8_t iv[16], 48 CryptoPlugin::Mode mode, 49 const void *srcPtr, 50 const CryptoPlugin::SubSample *subSamples, size_t numSubSamples, 51 void *dstPtr, 52 AString *errorDetailMsg) = 0; 53 54 private: 55 DISALLOW_EVIL_CONSTRUCTORS(ICrypto); 56 }; 57 58 struct BnCrypto : public BnInterface<ICrypto> { 59 virtual status_t onTransact( 60 uint32_t code, const Parcel &data, Parcel *reply, 61 uint32_t flags = 0); 62 }; 63 64 } // namespace android 65 66 #endif // ANDROID_ICRYPTO_H_ 67 68