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67 lines
1.8 KiB
C++
67 lines
1.8 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef __ClearKeyUtils_h__
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#define __ClearKeyUtils_h__
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#include <stdint.h>
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#include <string>
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#include <vector>
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#include "gmp-decryption.h"
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#define CLEARKEY_KEY_LEN ((size_t)16)
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#if 0
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void CK_Log(const char* aFmt, ...);
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#define CK_LOGE(...) CK_Log(__VA_ARGS__)
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#define CK_LOGD(...) CK_Log(__VA_ARGS__)
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#define CK_LOGW(...) CK_Log(__VA_ARGS__)
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#else
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#define CK_LOGE(...)
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#define CK_LOGD(...)
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#define CK_LOGW(...)
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#endif
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struct GMPPlatformAPI;
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extern GMPPlatformAPI* GetPlatform();
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typedef std::vector<uint8_t> KeyId;
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typedef std::vector<uint8_t> Key;
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struct KeyIdPair
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{
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KeyId mKeyId;
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Key mKey;
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};
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class ClearKeyUtils
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{
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public:
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static void DecryptAES(const std::vector<uint8_t>& aKey,
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std::vector<uint8_t>& aData, std::vector<uint8_t>& aIV);
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static void ParseInitData(const uint8_t* aInitData, uint32_t aInitDataSize,
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std::vector<Key>& aOutKeys);
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static void MakeKeyRequest(const std::vector<KeyId>& aKeyIds,
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std::string& aOutRequest,
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GMPSessionType aSessionType);
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static bool ParseJWK(const uint8_t* aKeyData, uint32_t aKeyDataSize,
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std::vector<KeyIdPair>& aOutKeys,
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GMPSessionType aSessionType);
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static const char* SessionTypeToString(GMPSessionType aSessionType);
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static bool IsValidSessionId(const char* aBuff, uint32_t aLength);
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};
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template<class Container, class Element>
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inline bool
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Contains(const Container& aContainer, const Element& aElement)
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{
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return aContainer.find(aElement) != aContainer.end();
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}
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#endif // __ClearKeyUtils_h__
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