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author | Andreas Huber <andih@google.com> | 2012-03-26 11:13:27 -0700 |
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committer | Andreas Huber <andih@google.com> | 2012-03-26 11:24:04 -0700 |
commit | ed3e3e046840d5bf1ca84a8c0cc097425e89d6d6 (patch) | |
tree | 99d5bb3a2f48f9a3ba3eaaf17e630b589e97bef1 /include/media/ICrypto.h | |
parent | cc1110dc92e53e9cc0afbb043e6ef8295bd9c5d5 (diff) | |
download | frameworks_av-ed3e3e046840d5bf1ca84a8c0cc097425e89d6d6.zip frameworks_av-ed3e3e046840d5bf1ca84a8c0cc097425e89d6d6.tar.gz frameworks_av-ed3e3e046840d5bf1ca84a8c0cc097425e89d6d6.tar.bz2 |
Provisional support for secure decryption of media streams.
Change-Id: Ib3982a9c960bfdb0cb7e1b174440b141b194cfbe
Diffstat (limited to 'include/media/ICrypto.h')
-rw-r--r-- | include/media/ICrypto.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/include/media/ICrypto.h b/include/media/ICrypto.h new file mode 100644 index 0000000..916abe0 --- /dev/null +++ b/include/media/ICrypto.h @@ -0,0 +1,63 @@ +/* + * 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_ + |