1a8aa0dd05
Builds libwvmdrmengine.so, which is loaded by the new MediaDrm APIs to support playback of Widevine/CENC protected content. Change-Id: I6f57dd37083dfd96c402cb9dd137c7d74edc8f1c
110 lines
4.5 KiB
C
110 lines
4.5 KiB
C
/*********************************************************************
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* L3CryptoCENC.h
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*
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* (c) Copyright 2013 Google, Inc.
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*
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* Reference APIs needed to support Widevine's crypto algorithms.
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*********************************************************************/
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#ifndef L3CRYPTO_CENC_H_
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#define L3CRYPTO_CENC_H_
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#include "OEMCryptoCENC.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define L3CRYPTO_VERSION "5.0"
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static const char l3c_version[] = L3CRYPTO_VERSION;
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typedef uint32_t OEMCrypto_SESSION;
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#define L3Crypto_Initialize _l3cc01
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#define L3Crypto_Terminate _l3cc02
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#define L3Crypto_InstallKeybox _l3cc03
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#define L3Crypto_GetKeyData _l3cc04
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#define L3Crypto_IsKeyboxValid _l3cc05
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#define L3Crypto_GetRandom _l3cc06
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#define L3Crypto_GetDeviceID _l3cc07
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#define L3Crypto_WrapKeybox _l3cc08
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#define L3Crypto_OpenSession _l3cc09
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#define L3Crypto_CloseSession _l3cc10
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#define L3Crypto_DecryptCTR _l3cc11
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#define L3Crypto_GenerateDerivedKeys _l3cc12
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#define L3Crypto_GenerateSignature _l3cc13
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#define L3Crypto_GenerateNonce _l3cc14
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#define L3Crypto_LoadKeys _l3cc15
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#define L3Crypto_RefreshKeys _l3cc16
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#define L3Crypto_SelectKey _l3cc17
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OEMCryptoResult L3Crypto_Initialize(void);
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OEMCryptoResult L3Crypto_Terminate(void);
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OEMCryptoResult L3Crypto_OpenSession(OEMCrypto_SESSION *session);
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OEMCryptoResult L3Crypto_CloseSession(OEMCrypto_SESSION session);
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OEMCryptoResult L3Crypto_GenerateDerivedKeys(
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OEMCrypto_SESSION session,
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const uint8_t *mac_key_context,
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uint32_t mac_key_context_length,
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const uint8_t *enc_key_context,
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uint32_t enc_key_context_length);
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OEMCryptoResult L3Crypto_GenerateNonce(
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OEMCrypto_SESSION session,
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uint32_t* nonce);
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OEMCryptoResult L3Crypto_GenerateSignature(
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OEMCrypto_SESSION session,
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const uint8_t* message,
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size_t message_length,
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uint8_t* signature,
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size_t* signature_length);
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OEMCryptoResult L3Crypto_LoadKeys(OEMCrypto_SESSION session,
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const uint8_t* message,
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size_t message_length,
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const uint8_t* signature,
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size_t signature_length,
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const uint8_t* enc_mac_key_iv,
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const uint8_t* enc_mac_key,
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size_t num_keys,
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const OEMCrypto_KeyObject* key_array);
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OEMCryptoResult
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L3Crypto_RefreshKeys(OEMCrypto_SESSION session,
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const uint8_t* message,
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size_t message_length,
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const uint8_t* signature,
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size_t signature_length,
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size_t num_keys,
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const OEMCrypto_KeyRefreshObject* key_array);
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OEMCryptoResult L3Crypto_SelectKey(const OEMCrypto_SESSION session,
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const uint8_t* key_id,
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size_t key_id_length);
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OEMCryptoResult
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L3Crypto_DecryptCTR(OEMCrypto_SESSION session,
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const uint8_t *data_addr,
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size_t data_length,
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bool is_encrypted,
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const uint8_t *iv,
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size_t offset,
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const OEMCrypto_DestBufferDesc* out_buffer);
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OEMCryptoResult OEMCrypto_InstallKeybox(const uint8_t *keybox,
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size_t keyBoxLength);
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OEMCryptoResult L3Crypto_IsKeyboxValid(void);
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OEMCryptoResult L3Crypto_GetDeviceID(uint8_t* deviceID,
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size_t *idLength);
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OEMCryptoResult L3Crypto_GetKeyData(uint8_t* keyData,
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size_t *keyDataLength);
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OEMCryptoResult L3Crypto_GetRandom(uint8_t* randomData,
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size_t dataLength);
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OEMCryptoResult L3Crypto_WrapKeybox(const uint8_t *keybox,
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size_t keyBoxLength,
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uint8_t *wrappedKeybox,
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size_t *wrappedKeyBoxLength,
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const uint8_t *transportKey,
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size_t transportKeyLength);
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#ifdef __cplusplus
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}
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#endif
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#endif // L3CRYPTO_CENC_H_
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