tadcore/Svc/DrmTdcSvc.cpp

   1 /*
   2  * Copyright (c) 2000-2015 Samsung Electronics Co., Ltd.
   3  *
   4  * Licensed under the Flora License, Version 1.1 (the License);
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *     http://floralicense.org/license/
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an AS IS BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  * @file    DrmTdcSvc.cpp
  17  * @brief   TADC Testcase temporarily.
  18  * @author  Sangil Yoon (si83.yoon@samsung.com)
  19  * @version 1.0
  20  *
  21 */
  22
  23 #include "TADC_Core.h"
  24 #include "TADC_IF.h"
  25
  26 #include "TADC_ErrorCode.h"
  27
  28 #include "DrmTdcSvc.h"
  29
  30 #define DHINFO_MAX        100
  31 #define DHINFO_REQIDLEN   20
  32
  33 #define TDC_DECRYPT_IOLEN 1024 * 1024 // 1024 Kbyte
  34
  35 //DH Session Info Structure
  36 typedef struct {
  37         BYTE hashReqID[DHINFO_MAX][DHINFO_REQIDLEN]; //LicenseRequest Request ID Hash 20byte
  38         T_ROACQ_INFO t_ROAcqInfo[DHINFO_MAX];        //DH Info
  39 } DrmTdcDHInfo;
  40
  41
  42 static DrmTdcDHInfo g_DrmTdcDHInfo;
  43 static BOOL g_DrmTdcDHFlag = FALSE;
  44
  45 static char g_sTimeStamp[21]; //2011.03.08, GMT ("CCCC-YY-MMThh:mm:ssZ")
  46
  47 bool DrmTdcGetFileHeader(const char *pTADCFilepath,
  48                                                  DrmTdcFileHeader *pFileHeader)
  49 {
  50         T_FILE_HEADER t_FileHeader;
  51         T_DRM_HEADER t_DRMHeader;
  52
  53         //null check
  54         if (!pTADCFilepath || !pFileHeader) {
  55                 DRM_TAPPS_EXCEPTION("DrmTdcGetFileHeader Error : Parameter Null");
  56                 return FALSE;
  57         }
  58
  59         //Init
  60         memset(&t_FileHeader, 0x00, sizeof(T_FILE_HEADER));
  61         memset(&t_DRMHeader, 0x00, sizeof(T_DRM_HEADER));
  62         memset(pFileHeader, 0x00, sizeof(DrmTdcFileHeader));
  63
  64         //Get DRM Header Info
  65         if (TADC_GetDRMHeaderFromFile(pTADCFilepath, &t_FileHeader, &t_DRMHeader) < 0) {
  66                 DRM_TAPPS_EXCEPTION("TADC_GetDRMHeaderFromFile (%s)", pTADCFilepath);
  67                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
  68                 return FALSE;
  69         }
  70
  71         //Copy to pFileHeader ( CID, RIURL )
  72         if ((sizeof(pFileHeader->cid) < strlen((char *)t_DRMHeader.CID) + 1) ||
  73                         (sizeof(pFileHeader->riurl) < strlen((char *)t_DRMHeader.RIURL) + 1)) {
  74                 DRM_TAPPS_EXCEPTION("TADC_GetDRMHeaderFromFile. Invalid cid or riurl(%s)",
  75                                                         pTADCFilepath);
  76                 TADC_MEMFree_FileHeader(&t_FileHeader);
  77                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
  78                 return FALSE;
  79         }
  80
  81         memcpy(pFileHeader->cid, t_DRMHeader.CID, strlen((char *)t_DRMHeader.CID) + 1);
  82         memcpy(pFileHeader->riurl, t_DRMHeader.RIURL,
  83                    strlen((char *)t_DRMHeader.RIURL) + 1);
  84
  85         //Free
  86         TADC_MEMFree_FileHeader(&t_FileHeader);
  87         TADC_MEMFree_DRMHeader(&t_DRMHeader);
  88
  89         return TRUE;
  90 }
  91
  92 bool DrmTdcDecryptPackage(const char *pTADCFilepath, const char *pLicenseBuf,
  93                                                   unsigned int licenseBufLen, const char *pDecryptedFile)
  94 {
  95         T_FILE_HEADER t_FileHeader;
  96         T_DRM_HEADER t_DRMHeader;
  97         T_DEVICE_INFO t_DeviceInfo;
  98         T_RO t_RO;
  99
 100         FILE *hFile1 = INVALID_HOBJ; //TDC drm file
 101         FILE *hFile2 = INVALID_HOBJ; //Decrypted file
 102
 103         //2011.03.08, init
 104         memset(&t_FileHeader, 0x00, sizeof(T_FILE_HEADER));
 105         memset(&t_DRMHeader, 0x00, sizeof(T_DRM_HEADER));
 106         memset(&t_DeviceInfo, 0x00, sizeof(T_DEVICE_INFO));
 107         memset(&t_RO, 0x00, sizeof(T_RO));
 108
 109         //null check
 110         if (!pTADCFilepath
 111                         || !pLicenseBuf
 112                         || !pDecryptedFile
 113                         || licenseBufLen < 1) {
 114                 DRM_TAPPS_EXCEPTION("DrmTdcDecryptPackage Error : Parameter Null");
 115                 return FALSE;
 116         }
 117
 118         //Set DeviceInfo
 119         if (TADC_SetDeviceInfo(&t_DeviceInfo) < 0) {
 120                 DRM_TAPPS_EXCEPTION("DrmTdcDecryptPackage Error : TADC_SetDeviceInfo");
 121                 return FALSE;
 122         }
 123
 124         auto pReadBuf = (TADC_U8 *)TADC_IF_Malloc(TDC_DECRYPT_IOLEN);
 125
 126         if (!pReadBuf) {
 127                 DRM_TAPPS_EXCEPTION("DrmTdcDecryptPackage Error : pReadBuf Malloc Fail");
 128                 return FALSE;
 129         }
 130
 131         //Get DRM Header Info
 132         if (TADC_GetDRMHeaderFromFile(pTADCFilepath, &t_FileHeader, &t_DRMHeader) < 0) {
 133                 DRM_TAPPS_EXCEPTION("DrmTdcDecryptPackage Error : TADC_GetDRMHeaderFromFile");
 134                 TADC_MEMFree_FileHeader(&t_FileHeader);
 135                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
 136                 TADC_IF_Free(pReadBuf);
 137                 return FALSE;
 138         }
 139
 140         // RO XML Parser
 141         if (TADC_GetResponseROInfo((unsigned char *)pLicenseBuf, &t_RO) < 0) {
 142                 DRM_TAPPS_EXCEPTION("DrmTdcDecryptPackage Error : TADC_GetResponseROInfo");
 143                 TADC_MEMFree_FileHeader(&t_FileHeader);
 144                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
 145                 TADC_MEMFree_RO(&t_RO);
 146                 TADC_IF_Free(pReadBuf);
 147
 148                 return FALSE;
 149         }
 150
 151         //Get CEK
 152         if (TADC_GetCEK(&t_DeviceInfo, &t_RO, &t_DRMHeader) < 0) {
 153                 DRM_TAPPS_EXCEPTION("DrmTdcDecryptPackage Error : TADC_GetCEK");
 154                 TADC_MEMFree_FileHeader(&t_FileHeader);
 155                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
 156                 TADC_MEMFree_RO(&t_RO);
 157                 TADC_IF_Free(pReadBuf);
 158                 return FALSE;
 159         }
 160
 161         //Decrypt File
 162         //File Open ( DRM File )
 163         if ((hFile1 = fopen(pTADCFilepath, "rb")) == INVALID_HOBJ) {
 164                 DRM_TAPPS_EXCEPTION("DrmTdcDecryptPackage Error : DRM FmOpenFile (%s)",
 165                                                         pTADCFilepath);
 166                 TADC_MEMFree_FileHeader(&t_FileHeader);
 167                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
 168                 TADC_MEMFree_RO(&t_RO);
 169                 TADC_IF_Free(pReadBuf);
 170                 return FALSE;
 171         }
 172
 173         //File Create ( Decrypted File )
 174         if ((hFile2 = fopen(pDecryptedFile, "w+b")) == INVALID_HOBJ) {
 175                 DRM_TAPPS_EXCEPTION("Decrypted File FmOpenFile (%s)", pDecryptedFile);
 176                 fclose(hFile1);
 177                 TADC_MEMFree_FileHeader(&t_FileHeader);
 178                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
 179                 TADC_MEMFree_RO(&t_RO);
 180                 TADC_IF_Free(pReadBuf);
 181                 return FALSE;
 182         }
 183
 184         fseek(hFile1, 0, SEEK_END);
 185         auto size1 = ftell(hFile1);
 186
 187         auto offset = t_FileHeader.Offset1 + 35 + t_DRMHeader.XmlSize;
 188         fseek(hFile1, offset, SEEK_SET);
 189
 190         auto size2 = size1 - offset; //plain file size
 191         auto BlockCnt = (size2 / 512) + ((size2 % 512) ? 1 : 0);
 192
 193         auto EncBlockCnt = BlockCnt;
 194
 195         if (t_DRMHeader.EncryptionRange != -1)
 196                 EncBlockCnt = t_DRMHeader.EncryptionRange;
 197
 198         long int i = 0;
 199
 200         while (i < BlockCnt) {
 201                 size_t ReadLen = fread(pReadBuf, 1, TDC_DECRYPT_IOLEN, hFile1);
 202
 203                 if (ReadLen < 1)
 204                         break;
 205
 206                 for (size_t k = 0; k < ReadLen; k += 512) {
 207                         if (i < EncBlockCnt) {
 208                                 size_t DecLen = ReadLen - k;
 209                                 DecLen = (DecLen > 512) ? 512 : DecLen;
 210
 211                                 if (TADC_DecryptBlock((char *)pReadBuf + k, DecLen, &t_DRMHeader) < 0) {
 212                                         DRM_TAPPS_EXCEPTION("TADC_DecryptBlock");
 213                                         fclose(hFile1);
 214                                         fclose(hFile2);
 215                                         TADC_MEMFree_FileHeader(&t_FileHeader);
 216                                         TADC_MEMFree_DRMHeader(&t_DRMHeader);
 217                                         TADC_MEMFree_RO(&t_RO);
 218                                         TADC_IF_Free(pReadBuf);
 219                                         return FALSE;
 220                                 }
 221                         }
 222
 223                         i += 1;
 224                 }
 225
 226                 fwrite(pReadBuf, 1, ReadLen, hFile2);
 227         }
 228
 229         fclose(hFile1); //sample drm file
 230         fclose(hFile2); //plain file
 231
 232         TADC_MEMFree_FileHeader(&t_FileHeader);
 233         TADC_MEMFree_DRMHeader(&t_DRMHeader);
 234         TADC_MEMFree_RO(&t_RO);
 235         TADC_IF_Free(pReadBuf);
 236
 237         return TRUE;
 238 }
 239
 240 bool DrmTdcDecryptPackage2(const char *pTADCFilepath, T_RO t_RO,
 241                                                    const char *pDecryptedFile)
 242 {
 243         T_FILE_HEADER t_FileHeader;
 244         T_DRM_HEADER t_DRMHeader;
 245         T_DEVICE_INFO t_DeviceInfo;
 246
 247         FILE *hFile1 = INVALID_HOBJ; //TDC drm file
 248         FILE *hFile2 = INVALID_HOBJ; //Decrypted file
 249
 250         //2011.03.08, init
 251         memset(&t_FileHeader, 0x00, sizeof(T_FILE_HEADER));
 252         memset(&t_DRMHeader, 0x00, sizeof(T_DRM_HEADER));
 253         memset(&t_DeviceInfo, 0x00, sizeof(T_DEVICE_INFO));
 254
 255         if (!pTADCFilepath || !pDecryptedFile) {
 256                 DRM_TAPPS_EXCEPTION("DrmTdcDecryptPackage2 Error : Parameter Null");
 257                 return FALSE;
 258         }
 259
 260         //Set DeviceInfo
 261         if (TADC_SetDeviceInfo(&t_DeviceInfo) == TADC_GETDUID_ERROR) {
 262                 DRM_TAPPS_EXCEPTION("DrmTdcDecryptPackage2 Error : TADC_SetDeviceInfo");
 263                 return FALSE;
 264         }
 265
 266         auto pReadBuf = (TADC_U8 *)TADC_IF_Malloc(TDC_DECRYPT_IOLEN);
 267
 268         if (!pReadBuf) {
 269                 DRM_TAPPS_EXCEPTION("pReadBuf Malloc Fail");
 270                 return FALSE;
 271         }
 272
 273         //Get DRM Header Info
 274         if (TADC_GetDRMHeaderFromFile(pTADCFilepath, &t_FileHeader, &t_DRMHeader) < 0) {
 275                 DRM_TAPPS_EXCEPTION("TADC_GetDRMHeaderFromFile");
 276                 TADC_MEMFree_FileHeader(&t_FileHeader);
 277                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
 278                 TADC_IF_Free(pReadBuf);
 279                 return FALSE;
 280         }
 281
 282         //Get CEK
 283         if (TADC_GetCEK(&t_DeviceInfo, &t_RO, &t_DRMHeader) < 0) {
 284                 DRM_TAPPS_EXCEPTION("TADC_GetCEK");
 285                 TADC_MEMFree_FileHeader(&t_FileHeader);
 286                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
 287                 TADC_IF_Free(pReadBuf);
 288                 return FALSE;
 289         }
 290
 291         //Decrypt File
 292         //File Open ( DRM File )
 293         if ((hFile1 = fopen(pTADCFilepath, "rb")) == INVALID_HOBJ) {
 294                 DRM_TAPPS_EXCEPTION("DRM FmOpenFile (%s)", pTADCFilepath);
 295                 TADC_MEMFree_FileHeader(&t_FileHeader);
 296                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
 297                 TADC_IF_Free(pReadBuf);
 298                 return FALSE;
 299         }
 300
 301         //File Create ( Decrypted File )
 302         if ((hFile2 = fopen(pDecryptedFile, "w+b")) == INVALID_HOBJ) {
 303                 DRM_TAPPS_EXCEPTION("Decrypted File FmOpenFile (%s)", pDecryptedFile);
 304                 fclose(hFile1);
 305                 TADC_MEMFree_FileHeader(&t_FileHeader);
 306                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
 307                 TADC_IF_Free(pReadBuf);
 308                 return FALSE;
 309         }
 310
 311         fseek(hFile1, 0, SEEK_END);
 312         auto size1 = ftell(hFile1);
 313
 314         auto offset = t_FileHeader.Offset1 + 35 + t_DRMHeader.XmlSize;
 315         fseek(hFile1, offset, SEEK_SET);
 316
 317         auto size2 = size1 - offset; //plain file size
 318         auto BlockCnt = (size2 / 512) + ((size2 % 512) ? 1 : 0);
 319
 320         auto EncBlockCnt = BlockCnt;
 321
 322         if (t_DRMHeader.EncryptionRange != -1)
 323                 EncBlockCnt = t_DRMHeader.EncryptionRange;
 324
 325         long int i = 0;
 326
 327         while (i < BlockCnt) {
 328                 auto ReadLen = fread(pReadBuf, 1, TDC_DECRYPT_IOLEN, hFile1);
 329
 330                 if (ReadLen < 1)
 331                         break;
 332
 333                 for (size_t k = 0; k < ReadLen; k += 512) {
 334                         if (i < EncBlockCnt) {
 335                                 auto DecLen = ReadLen - k;
 336                                 DecLen = (DecLen > 512) ? 512 : DecLen;
 337
 338                                 if (TADC_DecryptBlock((char *)pReadBuf + k, DecLen, &t_DRMHeader) < 0) {
 339                                         DRM_TAPPS_EXCEPTION("TADC_DecryptBlock");
 340                                         fclose(hFile1);
 341                                         fclose(hFile2);
 342                                         TADC_MEMFree_FileHeader(&t_FileHeader);
 343                                         TADC_MEMFree_DRMHeader(&t_DRMHeader);
 344                                         TADC_IF_Free(pReadBuf);
 345                                         return FALSE;
 346                                 }
 347                         }
 348
 349                         i += 1;
 350                 }
 351
 352                 fwrite(pReadBuf, 1, ReadLen, hFile2);
 353         }
 354
 355         fclose(hFile1); //sample drm file
 356         fclose(hFile2); //plain file
 357
 358         TADC_MEMFree_FileHeader(&t_FileHeader);
 359         TADC_MEMFree_DRMHeader(&t_DRMHeader);
 360         TADC_IF_Free(pReadBuf);
 361
 362         return TRUE;
 363 }
 364
 365 bool DrmTdcGeneratePurchaseRequest(const char *pTADCFilepath, char *pReqBuf,
 366                                                                    unsigned int *pReqBufLen, char *pLicenseUrl,
 367                                                                    unsigned int *pLicenseUrlLen)
 368 {
 369         T_FILE_HEADER t_FileHeader;
 370         T_DRM_HEADER t_DRMHeader;
 371         T_DEVICE_INFO t_DeviceInfo;
 372         char ReqLicBuf[REQU_MAXSIZE] = {0, };
 373
 374         //null check
 375         if (!pTADCFilepath
 376                         || !pReqBuf
 377                         || !pLicenseUrl
 378                         || *pReqBufLen < 512
 379                         || *pLicenseUrlLen < 512) {
 380                 DRM_TAPPS_EXCEPTION("Parameter Null");
 381                 return FALSE;
 382         }
 383
 384         memset(&t_FileHeader, 0x00, sizeof(T_FILE_HEADER));
 385         memset(&t_DRMHeader, 0x00, sizeof(T_DRM_HEADER));
 386         memset(&t_DeviceInfo, 0x00, sizeof(T_DEVICE_INFO));
 387
 388         //Set DeviceInfo
 389         if (TADC_SetDeviceInfo(&t_DeviceInfo) == TADC_GETDUID_ERROR) {
 390                 DRM_TAPPS_EXCEPTION("TADC_SetDeviceInfo");
 391                 return FALSE;
 392         }
 393
 394         //Get DRM Header Info
 395         if (TADC_GetDRMHeaderFromFile(pTADCFilepath, &t_FileHeader, &t_DRMHeader) < 0) {
 396                 DRM_TAPPS_EXCEPTION("TADC_GetDRMHeaderFromFile");
 397                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
 398                 return FALSE;
 399         }
 400
 401         if (TADC_MakeRequestLicense(&t_DeviceInfo, &t_FileHeader, &t_DRMHeader,
 402                                                                 (unsigned char *)ReqLicBuf, sizeof(ReqLicBuf)) < 0) {
 403                 DRM_TAPPS_EXCEPTION("TADC_MakeRequestLicense");
 404                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
 405                 return FALSE;
 406         }
 407
 408         //Copy pReqBuf
 409         size_t tmpLen = strlen((char *)ReqLicBuf);
 410
 411         if (*pReqBufLen <= tmpLen) {
 412                 DRM_TAPPS_EXCEPTION("*pReqBufLen(%d) <= %d", *pReqBufLen, tmpLen);
 413                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
 414                 return FALSE;
 415         }
 416
 417         memcpy(pReqBuf, ReqLicBuf, tmpLen + 1);
 418
 419         //Copy License URL
 420         tmpLen = strlen((char *)t_DRMHeader.RIURL);
 421
 422         if (*pLicenseUrlLen <= tmpLen) {
 423                 DRM_TAPPS_EXCEPTION("*pLicenseUrlLen(%d) <= %d", *pLicenseUrlLen, tmpLen);
 424                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
 425                 return FALSE;
 426         }
 427
 428         memcpy(pLicenseUrl, t_DRMHeader.RIURL, tmpLen + 1);
 429
 430         //Free
 431         TADC_MEMFree_FileHeader(&t_FileHeader);
 432         TADC_MEMFree_DRMHeader(&t_DRMHeader);
 433
 434         return TRUE;
 435 }
 436
 437 int DrmTdcGenerateLicenseRequest(const char *pRespBuf, unsigned int respBufLen,
 438                                                                  char *pReqBuf, unsigned int *pReqBufLen, char *pLicenseUrl,
 439                                                                  unsigned int *pLicenseUrlLen)
 440 {
 441         T_ROACQ_INFO *pt_ROAcqInfo = NULL;
 442
 443         char ReqROBuf[REQU_MAXSIZE] = {0}; //Request buff max size. (2011.03.08)
 444         BYTE sha1_tmp[DHINFO_REQIDLEN] = {0};
 445         int idx = 0;
 446         unsigned char ROVer[2]; //2011.03.08
 447
 448         //null check
 449         if (!pRespBuf
 450                         || !pReqBuf
 451                         || !pLicenseUrl
 452                         || respBufLen < 1
 453                         || *pReqBufLen < 512
 454                         ||  *pLicenseUrlLen < 512) {
 455                 DRM_TAPPS_EXCEPTION("Parameter Null");
 456                 return TADC_PARAMETER_ERROR;
 457         }
 458
 459         if (g_DrmTdcDHFlag == FALSE) {
 460                 DrmTdcDHInfoInit();
 461                 g_DrmTdcDHFlag = TRUE;
 462         }
 463
 464         for (idx = 0; idx < DHINFO_MAX; idx++) {
 465                 if (!TADC_IF_MemCmp(
 466                                         g_DrmTdcDHInfo.hashReqID[idx], sha1_tmp, DHINFO_REQIDLEN)) {
 467                         pt_ROAcqInfo = &g_DrmTdcDHInfo.t_ROAcqInfo[idx];
 468                         break;
 469                 }
 470         }
 471
 472         // Debug
 473         DRM_TAPPS_LOG("DrmTdcGenerateLicenseRequest ID Idx = %d", idx);
 474
 475         if (idx == DHINFO_MAX) {
 476                 DRM_TAPPS_EXCEPTION("idx == DHINFO_MAX");
 477                 return TADC_DHINFO_MAX_ERROR;
 478         }
 479
 480         //Get ReqID
 481         if (TADC_GetROAcqInfo((unsigned char *)pRespBuf, pt_ROAcqInfo) < 0) {
 482                 DRM_TAPPS_EXCEPTION("TADC_GetROAcqInfo");
 483                 return TADC_GET_ROACQ_INFO_ERROR;
 484         }
 485
 486         ROVer[0] = 2;
 487         ROVer[1] = 0;
 488
 489         if (TADC_MakeRequestRO(pt_ROAcqInfo, (unsigned char *)ReqROBuf,
 490                                                    sizeof(ReqROBuf), ROVer) < 0) {
 491                 DRM_TAPPS_EXCEPTION("TADC_MakeRequestRO");
 492                 return TADC_MAKE_LICENSEREQ_ERROR;
 493         }
 494
 495         // Debug
 496         DRM_TAPPS_LOG("Debug Log == Copy ReqID Hash Successfully Done!");
 497
 498         //Copy ReqID Hash
 499         TADC_IF_SHA1(pt_ROAcqInfo -> ReqID,
 500                                  TADC_IF_StrLen((char *)pt_ROAcqInfo -> ReqID),
 501                                  g_DrmTdcDHInfo.hashReqID[idx]);
 502
 503         //Copy pReqBuf
 504         size_t tmpLen = strlen((char *)ReqROBuf);
 505
 506         if (*pReqBufLen <= tmpLen) {
 507                 DRM_TAPPS_EXCEPTION("*pReqBufLen(%d) <= %d", *pReqBufLen, tmpLen);
 508                 return TADC_MEMAlOC_ERROR;
 509         }
 510
 511         memcpy(pReqBuf, ReqROBuf, tmpLen + 1);
 512
 513         //Copy License URL
 514         tmpLen = strlen((char *)pt_ROAcqInfo->ROAcqURL);
 515
 516         if (*pLicenseUrlLen <= tmpLen) {
 517                 DRM_TAPPS_EXCEPTION("*pLicenseUrlLen(%d) <= %d", *pLicenseUrlLen, tmpLen);
 518                 return TADC_MEMAlOC_ERROR;
 519         }
 520
 521         memcpy(pLicenseUrl, (char *)pt_ROAcqInfo->ROAcqURL, tmpLen + 1);
 522
 523         // Debug
 524         DRM_TAPPS_LOG("Debug Log == DrmTdcGenerateLicenseRequest Successfully Done!");
 525
 526         return TADC_SUCCESS;
 527 }
 528
 529 int DrmTdcDecryptLicense(const char *pRespBuf, unsigned int respBufLen,
 530                                                  char *pDecLicenseBuf, unsigned int *decLicenseBufLen)
 531 {
 532         T_ROACQ_INFO *pt_ROAcqInfo = NULL;
 533         T_RO t_RO;
 534         int ret = 0;
 535         int idx = 0;
 536         BYTE sha1_tmp[20] = {0};
 537
 538         //null check
 539         if (!pRespBuf
 540                         || !pDecLicenseBuf
 541                         || respBufLen < 1
 542                         || *decLicenseBufLen < 512) {
 543                 DRM_TAPPS_EXCEPTION("Parameter Null");
 544                 return TADC_PARAMETER_ERROR;
 545         }
 546
 547         memset(&t_RO, 0x00, sizeof(T_RO));
 548
 549         if (TADC_GetHashReqID((unsigned char *)pRespBuf, sha1_tmp) < 0) {
 550                 DRM_TAPPS_EXCEPTION("TADC_GetHashReqID");
 551                 return TADC_GET_HASHREQID_ERROR;
 552         }
 553
 554         for (idx = 0; idx < DHINFO_MAX; idx++) {
 555                 if (!TADC_IF_MemCmp(g_DrmTdcDHInfo.hashReqID[idx], sha1_tmp, 20)) {
 556                         pt_ROAcqInfo = &g_DrmTdcDHInfo.t_ROAcqInfo[idx];
 557                         break;
 558                 }
 559         }
 560
 561         if (idx == DHINFO_MAX) {
 562                 DRM_TAPPS_EXCEPTION("idx == DHINFO_MAX!, Session-key is not same.");
 563                 return TADC_DHINFO_MAX_ERROR;
 564         }
 565
 566         //Get Decrypted License
 567         if ((ret = TADC_GetResponseRO((unsigned char *)pRespBuf, pt_ROAcqInfo, &t_RO,
 568                                                                   (unsigned char *)pDecLicenseBuf)) < 0) {
 569                 DrmTdcDHInfoFree(idx); //2010.02.26
 570                 DRM_TAPPS_EXCEPTION("TADC_GetResponseRO! Ret[%x]", ret);
 571                 return TADC_GET_RORES_INFO_ERROR;
 572         }
 573
 574         *decLicenseBufLen = strlen(pDecLicenseBuf) + 1;
 575
 576         // Check Signature and Certificate Chain
 577         if ((ret = TADC_VerifyROSignature((unsigned char *)pDecLicenseBuf))) {
 578                 DRM_TAPPS_EXCEPTION("TADC_VerifyROSignature Error Code = %x", ret);
 579                 return TADC_RO_SIGNATURE_ERROR;
 580         }
 581
 582         //2011.03.08, return time stamp
 583         memcpy(g_sTimeStamp, pt_ROAcqInfo->sTimeStamp,
 584                    strlen((char *)pt_ROAcqInfo->sTimeStamp) + 1);
 585
 586         //Free
 587         TADC_MEMFree_RO(&t_RO);
 588         DrmTdcDHInfoFree(idx);
 589
 590         return TADC_SUCCESS;
 591 }
 592
 593 void DrmTdcDHInfoInit(void)
 594 {
 595         memset(&g_DrmTdcDHInfo, 0x00, sizeof(DrmTdcDHInfo));
 596 }
 597
 598 bool DrmTdcDHInfoFree(int idx)
 599 {
 600         memset(&g_DrmTdcDHInfo.hashReqID[idx], 0x00,
 601                    sizeof(g_DrmTdcDHInfo.hashReqID[idx]));
 602
 603         if (TADC_MEMFree_ROAcqInfo(&g_DrmTdcDHInfo.t_ROAcqInfo[idx]) < 0)
 604                 return FALSE;
 605
 606         return TRUE;
 607 }