gecko-dev/media/gmp-clearkey/0.1/ClearKeyUtils.h

67 lines
1.8 KiB
C++

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