19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2007 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifndef __DRM_RIGHTS_MANAGER_H__ 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define __DRM_RIGHTS_MANAGER_H__ 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef __cplusplus 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectextern "C" { 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2464e69e8ab8f63c0bba14d1e17c0e9595487fc0dcChia-chi Yeh#include <openssl/aes.h> 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <drm_common_types.h> 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <parser_rel.h> 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef DRM_DEVICE_ARCH_ARM 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define ANDROID_DRM_CORE_PATH "/data/drm/rights/" 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define DRM_UID_FILE_PATH "/data/drm/rights/uid.txt" 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#else 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define ANDROID_DRM_CORE_PATH "/home/user/golf/esmertec/device/out/debug/host/linux-x86/product/sim/data/data/com.android.drm.mobile1/" 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define DRM_UID_FILE_PATH "/home/user/golf/esmertec/device/out/debug/host/linux-x86/product/sim/data/data/com.android.drm.mobile1/uid.txt" 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define EXTENSION_NAME_INFO ".info" 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define GET_ID 1 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define GET_UID 2 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define GET_ROAMOUNT 1 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define GET_ALL_RO 2 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define SAVE_ALL_RO 3 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define GET_A_RO 4 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define SAVE_A_RO 5 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get the id or uid from the "uid.txt" file. 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \param Uid The content id for a specially DRM object. 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \param id The id number managed by DRM engine for a specially DRM object. 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \param option The option to get id or uid, the value includes: GET_ID, GET_UID. 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \return 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -TRUE, if the operation successfully. 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -FALSE, if the operation failed. 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint32_t drm_readFromUidTxt(uint8_t* Uid, int32_t* id, int32_t option); 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Save or read the rights information on the "id.info" file. 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \param id The id number managed by DRM engine for a specially DRM object. 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \param Ro The rights structure to save the rights information. 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \param RoAmount The number of rights for this DRM object. 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \param option The option include: GET_ROAMOUNT, GET_ALL_RO, SAVE_ALL_RO, GET_A_RO, SAVE_A_RO. 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \return 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -TRUE, if the operation successfully. 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -FALSE, if the operation failed. 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint32_t drm_writeOrReadInfo(int32_t id, T_DRM_Rights* Ro, int32_t* RoAmount, int32_t option); 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Append a rights information to DRM engine storage. 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \param Ro The rights structure to save the rights information. 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * return 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -TRUE, if the operation successfully. 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -FALSE, if the operation failed. 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint32_t drm_appendRightsInfo(T_DRM_Rights* rights); 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get the mex id number from the "uid.txt" file. 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \return 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -an integer to indicate the max id number. 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -(-1), if the operation failed. 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint32_t drm_getMaxIdFromUidTxt(); 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Remove the "id.info" file if all the rights for this DRM object has been deleted. 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \param id The id number managed by DRM engine for a specially DRM object. 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \return 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -TRUE, if the operation successfully. 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -FALSE, if the operation failed. 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint32_t drm_removeIdInfoFile(int32_t id); 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Update the "uid.txt" file when delete the rights object. 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \param id The id number managed by DRM engine for a specially DRM object. 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \return 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -TRUE, if the operation successfully. 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -FALSE, if the operation failed. 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint32_t drm_updateUidTxtWhenDelete(int32_t id); 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Get the CEK according the given content id. 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \param uid The content id for a specially DRM object. 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \param KeyValue The buffer to save the CEK. 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \return 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -TRUE, if the operation successfully. 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -FALSE, if the operation failed. 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint32_t drm_getKey(uint8_t* uid, uint8_t* KeyValue); 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Discard the padding bytes in DCF decrypted data. 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \param decryptedBuf The aes decrypted data buffer to be scanned. 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \param decryptedBufLen The length of the buffer. And save the output result. 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \return 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -0 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectvoid drm_discardPaddingByte(uint8_t *decryptedBuf, int32_t *decryptedBufLen); 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Decrypt the media data according the CEK. 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \param Buffer The buffer to decrypted and also used to save the output data. 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \param BufferLen The length of the buffer data and also save the output data length. 14464e69e8ab8f63c0bba14d1e17c0e9595487fc0dcChia-chi Yeh * \param key The structure of the CEK. 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \return 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -0 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 14964e69e8ab8f63c0bba14d1e17c0e9595487fc0dcChia-chi Yehint32_t drm_aesDecBuffer(uint8_t * Buffer, int32_t * BufferLen, AES_KEY *key); 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Update the DCF data length according the CEK. 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \param pDcfLastData The last several byte for the DCF. 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \param keyValue The CEK of the DRM content. 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \param moreBytes Output the more bytes for discarded. 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \return 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -TRUE, if the operation successfully. 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -FALSE, if the operation failed. 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint32_t drm_updateDcfDataLen(uint8_t* pDcfLastData, uint8_t* keyValue, int32_t* moreBytes); 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Check and update the rights for a specially DRM content. 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \param id The id number managed by DRM engine for a specially DRM object. 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \param permission The permission to be check and updated. 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * \return 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -DRM_SUCCESS, if there is a valid rights and update it successfully. 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -DRM_NO_RIGHTS, if there is no rights for this content. 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -DRM_RIGHTS_PENDING, if the rights is pending. 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -DRM_RIGHTS_EXPIRED, if the rights has expired. 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * -DRM_RIGHTS_FAILURE, if there is some other error occur. 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectint32_t drm_checkRoAndUpdate(int32_t id, int32_t permission); 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef __cplusplus 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif /* __DRM_RIGHTS_MANAGER_H__ */ 184