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         long size1 = ftell(hFile1);
 186
 187         long offset = static_cast<long>(t_FileHeader.Offset1 + 35 + t_DRMHeader.XmlSize);
 188         fseek(hFile1, offset, SEEK_SET);
 189
 190         if (size1 < offset) {
 191                 DRM_TAPPS_EXCEPTION("Invalid offset... offset is bigger than file size");
 192                 fclose(hFile1);
 193                 fclose(hFile2);
 194                 TADC_MEMFree_FileHeader(&t_FileHeader);
 195                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
 196                 TADC_MEMFree_RO(&t_RO);
 197                 TADC_IF_Free(pReadBuf);
 198                 return FALSE;
 199         }
 200
 201         long size2 = size1 - offset; //plain file size
 202         long BlockCnt = (size2 / 512) + ((size2 % 512) ? 1 : 0);
 203
 204         long EncBlockCnt = BlockCnt;
 205
 206         if (t_DRMHeader.EncryptionRange != -1)
 207                 EncBlockCnt = t_DRMHeader.EncryptionRange;
 208
 209         long int i = 0;
 210
 211         while (i < BlockCnt) {
 212                 size_t ReadLen = fread(pReadBuf, 1, TDC_DECRYPT_IOLEN, hFile1);
 213
 214                 if (ReadLen < 1)
 215                         break;
 216
 217                 for (size_t k = 0; k < ReadLen; k += 512) {
 218                         if (i < EncBlockCnt) {
 219                                 size_t DecLen = ReadLen - k;
 220                                 DecLen = (DecLen > 512) ? 512 : DecLen;
 221
 222                                 if (TADC_DecryptBlock((char *)pReadBuf + k, DecLen, &t_DRMHeader) < 0) {
 223                                         DRM_TAPPS_EXCEPTION("TADC_DecryptBlock");
 224                                         fclose(hFile1);
 225                                         fclose(hFile2);
 226                                         TADC_MEMFree_FileHeader(&t_FileHeader);
 227                                         TADC_MEMFree_DRMHeader(&t_DRMHeader);
 228                                         TADC_MEMFree_RO(&t_RO);
 229                                         TADC_IF_Free(pReadBuf);
 230                                         return FALSE;
 231                                 }
 232                         }
 233
 234                         i += 1;
 235                 }
 236
 237                 fwrite(pReadBuf, 1, ReadLen, hFile2);
 238         }
 239
 240         fclose(hFile1); //sample drm file
 241         fclose(hFile2); //plain file
 242
 243         TADC_MEMFree_FileHeader(&t_FileHeader);
 244         TADC_MEMFree_DRMHeader(&t_DRMHeader);
 245         TADC_MEMFree_RO(&t_RO);
 246         TADC_IF_Free(pReadBuf);
 247
 248         return TRUE;
 249 }
 250
 251 bool DrmTdcDecryptPackage2(const char *pTADCFilepath, T_RO t_RO,
 252                                                    const char *pDecryptedFile)
 253 {
 254         T_FILE_HEADER t_FileHeader;
 255         T_DRM_HEADER t_DRMHeader;
 256         T_DEVICE_INFO t_DeviceInfo;
 257
 258         FILE *hFile1 = INVALID_HOBJ; //TDC drm file
 259         FILE *hFile2 = INVALID_HOBJ; //Decrypted file
 260
 261         //2011.03.08, init
 262         memset(&t_FileHeader, 0x00, sizeof(T_FILE_HEADER));
 263         memset(&t_DRMHeader, 0x00, sizeof(T_DRM_HEADER));
 264         memset(&t_DeviceInfo, 0x00, sizeof(T_DEVICE_INFO));
 265
 266         if (!pTADCFilepath || !pDecryptedFile) {
 267                 DRM_TAPPS_EXCEPTION("DrmTdcDecryptPackage2 Error : Parameter Null");
 268                 return FALSE;
 269         }
 270
 271         //Set DeviceInfo
 272         if (TADC_SetDeviceInfo(&t_DeviceInfo) == TADC_GETDUID_ERROR) {
 273                 DRM_TAPPS_EXCEPTION("DrmTdcDecryptPackage2 Error : TADC_SetDeviceInfo");
 274                 return FALSE;
 275         }
 276
 277         auto pReadBuf = (TADC_U8 *)TADC_IF_Malloc(TDC_DECRYPT_IOLEN);
 278
 279         if (!pReadBuf) {
 280                 DRM_TAPPS_EXCEPTION("pReadBuf Malloc Fail");
 281                 return FALSE;
 282         }
 283
 284         //Get DRM Header Info
 285         if (TADC_GetDRMHeaderFromFile(pTADCFilepath, &t_FileHeader, &t_DRMHeader) < 0) {
 286                 DRM_TAPPS_EXCEPTION("TADC_GetDRMHeaderFromFile");
 287                 TADC_MEMFree_FileHeader(&t_FileHeader);
 288                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
 289                 TADC_IF_Free(pReadBuf);
 290                 return FALSE;
 291         }
 292
 293         //Get CEK
 294         if (TADC_GetCEK(&t_DeviceInfo, &t_RO, &t_DRMHeader) < 0) {
 295                 DRM_TAPPS_EXCEPTION("TADC_GetCEK");
 296                 TADC_MEMFree_FileHeader(&t_FileHeader);
 297                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
 298                 TADC_IF_Free(pReadBuf);
 299                 return FALSE;
 300         }
 301
 302         //Decrypt File
 303         //File Open ( DRM File )
 304         if ((hFile1 = fopen(pTADCFilepath, "rb")) == INVALID_HOBJ) {
 305                 DRM_TAPPS_EXCEPTION("DRM FmOpenFile (%s)", pTADCFilepath);
 306                 TADC_MEMFree_FileHeader(&t_FileHeader);
 307                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
 308                 TADC_IF_Free(pReadBuf);
 309                 return FALSE;
 310         }
 311
 312         //File Create ( Decrypted File )
 313         if ((hFile2 = fopen(pDecryptedFile, "w+b")) == INVALID_HOBJ) {
 314                 DRM_TAPPS_EXCEPTION("Decrypted File FmOpenFile (%s)", pDecryptedFile);
 315                 fclose(hFile1);
 316                 TADC_MEMFree_FileHeader(&t_FileHeader);
 317                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
 318                 TADC_IF_Free(pReadBuf);
 319                 return FALSE;
 320         }
 321
 322         fseek(hFile1, 0, SEEK_END);
 323         long size1 = ftell(hFile1);
 324
 325         long offset = static_cast<long>(t_FileHeader.Offset1 + 35 + t_DRMHeader.XmlSize);
 326         fseek(hFile1, offset, SEEK_SET);
 327
 328         if (size1 < offset) {
 329                 DRM_TAPPS_EXCEPTION("Invalid offset... offset is bigger than file size");
 330                 fclose(hFile1);
 331                 fclose(hFile2);
 332                 TADC_MEMFree_FileHeader(&t_FileHeader);
 333                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
 334                 TADC_IF_Free(pReadBuf);
 335                 return FALSE;
 336         }
 337
 338         long size2 = size1 - offset; //plain file size
 339         long BlockCnt = (size2 / 512) + ((size2 % 512) ? 1 : 0);
 340
 341         long EncBlockCnt = BlockCnt;
 342
 343         if (t_DRMHeader.EncryptionRange != -1)
 344                 EncBlockCnt = t_DRMHeader.EncryptionRange;
 345
 346         long int i = 0;
 347
 348         while (i < BlockCnt) {
 349                 auto ReadLen = fread(pReadBuf, 1, TDC_DECRYPT_IOLEN, hFile1);
 350
 351                 if (ReadLen < 1)
 352                         break;
 353
 354                 for (size_t k = 0; k < ReadLen; k += 512) {
 355                         if (i < EncBlockCnt) {
 356                                 auto DecLen = ReadLen - k;
 357                                 DecLen = (DecLen > 512) ? 512 : DecLen;
 358
 359                                 if (TADC_DecryptBlock((char *)pReadBuf + k, DecLen, &t_DRMHeader) < 0) {
 360                                         DRM_TAPPS_EXCEPTION("TADC_DecryptBlock");
 361                                         fclose(hFile1);
 362                                         fclose(hFile2);
 363                                         TADC_MEMFree_FileHeader(&t_FileHeader);
 364                                         TADC_MEMFree_DRMHeader(&t_DRMHeader);
 365                                         TADC_IF_Free(pReadBuf);
 366                                         return FALSE;
 367                                 }
 368                         }
 369
 370                         i += 1;
 371                 }
 372
 373                 fwrite(pReadBuf, 1, ReadLen, hFile2);
 374         }
 375
 376         fclose(hFile1); //sample drm file
 377         fclose(hFile2); //plain file
 378
 379         TADC_MEMFree_FileHeader(&t_FileHeader);
 380         TADC_MEMFree_DRMHeader(&t_DRMHeader);
 381         TADC_IF_Free(pReadBuf);
 382
 383         return TRUE;
 384 }
 385
 386 bool DrmTdcGeneratePurchaseRequest(const char *pTADCFilepath, char *pReqBuf,
 387                                                                    unsigned int *pReqBufLen, char *pLicenseUrl,
 388                                                                    unsigned int *pLicenseUrlLen)
 389 {
 390         T_FILE_HEADER t_FileHeader;
 391         T_DRM_HEADER t_DRMHeader;
 392         T_DEVICE_INFO t_DeviceInfo;
 393         char ReqLicBuf[REQU_MAXSIZE] = {0, };
 394
 395         //null check
 396         if (!pTADCFilepath
 397                         || !pReqBuf
 398                         || !pLicenseUrl
 399                         || *pReqBufLen < 512
 400                         || *pLicenseUrlLen < 512) {
 401                 DRM_TAPPS_EXCEPTION("Parameter Null");
 402                 return FALSE;
 403         }
 404
 405         memset(&t_FileHeader, 0x00, sizeof(T_FILE_HEADER));
 406         memset(&t_DRMHeader, 0x00, sizeof(T_DRM_HEADER));
 407         memset(&t_DeviceInfo, 0x00, sizeof(T_DEVICE_INFO));
 408
 409         //Set DeviceInfo
 410         if (TADC_SetDeviceInfo(&t_DeviceInfo) == TADC_GETDUID_ERROR) {
 411                 DRM_TAPPS_EXCEPTION("TADC_SetDeviceInfo");
 412                 return FALSE;
 413         }
 414
 415         //Get DRM Header Info
 416         if (TADC_GetDRMHeaderFromFile(pTADCFilepath, &t_FileHeader, &t_DRMHeader) < 0) {
 417                 DRM_TAPPS_EXCEPTION("TADC_GetDRMHeaderFromFile");
 418                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
 419                 return FALSE;
 420         }
 421
 422         if (TADC_MakeRequestLicense(&t_DeviceInfo, &t_FileHeader, &t_DRMHeader,
 423                                                                 (unsigned char *)ReqLicBuf, sizeof(ReqLicBuf)) < 0) {
 424                 DRM_TAPPS_EXCEPTION("TADC_MakeRequestLicense");
 425                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
 426                 return FALSE;
 427         }
 428
 429         //Copy pReqBuf
 430         size_t tmpLen = strlen((char *)ReqLicBuf);
 431
 432         if (*pReqBufLen <= tmpLen) {
 433                 DRM_TAPPS_EXCEPTION("*pReqBufLen(%d) <= %d", *pReqBufLen, tmpLen);
 434                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
 435                 return FALSE;
 436         }
 437
 438         memcpy(pReqBuf, ReqLicBuf, tmpLen + 1);
 439
 440         //Copy License URL
 441         tmpLen = strlen((char *)t_DRMHeader.RIURL);
 442
 443         if (*pLicenseUrlLen <= tmpLen) {
 444                 DRM_TAPPS_EXCEPTION("*pLicenseUrlLen(%d) <= %d", *pLicenseUrlLen, tmpLen);
 445                 TADC_MEMFree_DRMHeader(&t_DRMHeader);
 446                 return FALSE;
 447         }
 448
 449         memcpy(pLicenseUrl, t_DRMHeader.RIURL, tmpLen + 1);
 450
 451         //Free
 452         TADC_MEMFree_FileHeader(&t_FileHeader);
 453         TADC_MEMFree_DRMHeader(&t_DRMHeader);
 454
 455         return TRUE;
 456 }
 457
 458 int DrmTdcGenerateLicenseRequest(const char *pRespBuf, unsigned int respBufLen,
 459                                                                  char *pReqBuf, unsigned int *pReqBufLen, char *pLicenseUrl,
 460                                                                  unsigned int *pLicenseUrlLen)
 461 {
 462         T_ROACQ_INFO *pt_ROAcqInfo = NULL;
 463
 464         char ReqROBuf[REQU_MAXSIZE] = {0}; //Request buff max size. (2011.03.08)
 465         BYTE sha1_tmp[DHINFO_REQIDLEN] = {0};
 466         int idx = 0;
 467         unsigned char ROVer[2]; //2011.03.08
 468
 469         //null check
 470         if (!pRespBuf
 471                         || !pReqBuf
 472                         || !pLicenseUrl
 473                         || respBufLen < 1
 474                         || *pReqBufLen < 512
 475                         ||  *pLicenseUrlLen < 512) {
 476                 DRM_TAPPS_EXCEPTION("Parameter Null");
 477                 return TADC_PARAMETER_ERROR;
 478         }
 479
 480         if (g_DrmTdcDHFlag == FALSE) {
 481                 DrmTdcDHInfoInit();
 482                 g_DrmTdcDHFlag = TRUE;
 483         }
 484
 485         for (idx = 0; idx < DHINFO_MAX; idx++) {
 486                 if (!TADC_IF_MemCmp(
 487                                         g_DrmTdcDHInfo.hashReqID[idx], sha1_tmp, DHINFO_REQIDLEN)) {
 488                         pt_ROAcqInfo = &g_DrmTdcDHInfo.t_ROAcqInfo[idx];
 489                         break;
 490                 }
 491         }
 492
 493         // Debug
 494         DRM_TAPPS_LOG("DrmTdcGenerateLicenseRequest ID Idx = %d", idx);
 495
 496         if (idx == DHINFO_MAX) {
 497                 DRM_TAPPS_EXCEPTION("idx == DHINFO_MAX");
 498                 return TADC_DHINFO_MAX_ERROR;
 499         }
 500
 501         //Get ReqID
 502         if (TADC_GetROAcqInfo((unsigned char *)pRespBuf, pt_ROAcqInfo) < 0) {
 503                 DRM_TAPPS_EXCEPTION("TADC_GetROAcqInfo");
 504                 return TADC_GET_ROACQ_INFO_ERROR;
 505         }
 506
 507         ROVer[0] = 2;
 508         ROVer[1] = 0;
 509
 510         if (TADC_MakeRequestRO(pt_ROAcqInfo, (unsigned char *)ReqROBuf,
 511                                                    sizeof(ReqROBuf), ROVer) < 0) {
 512                 DRM_TAPPS_EXCEPTION("TADC_MakeRequestRO");
 513                 return TADC_MAKE_LICENSEREQ_ERROR;
 514         }
 515
 516         // Debug
 517         DRM_TAPPS_LOG("Debug Log == Copy ReqID Hash Successfully Done!");
 518
 519         //Copy ReqID Hash
 520         TADC_IF_SHA1(pt_ROAcqInfo -> ReqID,
 521                                  TADC_IF_StrLen((char *)pt_ROAcqInfo -> ReqID),
 522                                  g_DrmTdcDHInfo.hashReqID[idx]);
 523
 524         //Copy pReqBuf
 525         size_t tmpLen = strlen((char *)ReqROBuf);
 526
 527         if (*pReqBufLen <= tmpLen) {
 528                 DRM_TAPPS_EXCEPTION("*pReqBufLen(%d) <= %d", *pReqBufLen, tmpLen);
 529                 return TADC_MEMAlOC_ERROR;
 530         }
 531
 532         memcpy(pReqBuf, ReqROBuf, tmpLen + 1);
 533
 534         //Copy License URL
 535         tmpLen = strlen((char *)pt_ROAcqInfo->ROAcqURL);
 536
 537         if (*pLicenseUrlLen <= tmpLen) {
 538                 DRM_TAPPS_EXCEPTION("*pLicenseUrlLen(%d) <= %d", *pLicenseUrlLen, tmpLen);
 539                 return TADC_MEMAlOC_ERROR;
 540         }
 541
 542         memcpy(pLicenseUrl, (char *)pt_ROAcqInfo->ROAcqURL, tmpLen + 1);
 543
 544         // Debug
 545         DRM_TAPPS_LOG("Debug Log == DrmTdcGenerateLicenseRequest Successfully Done!");
 546
 547         return TADC_SUCCESS;
 548 }
 549
 550 int DrmTdcDecryptLicense(const char *pRespBuf, unsigned int respBufLen,
 551                                                  char *pDecLicenseBuf, unsigned int *decLicenseBufLen)
 552 {
 553         T_ROACQ_INFO *pt_ROAcqInfo = NULL;
 554         T_RO t_RO;
 555         int ret = 0;
 556         int idx = 0;
 557         BYTE sha1_tmp[20] = {0};
 558
 559         //null check
 560         if (!pRespBuf
 561                         || !pDecLicenseBuf
 562                         || respBufLen < 1
 563                         || *decLicenseBufLen < 512) {
 564                 DRM_TAPPS_EXCEPTION("Parameter Null");
 565                 return TADC_PARAMETER_ERROR;
 566         }
 567
 568         memset(&t_RO, 0x00, sizeof(T_RO));
 569
 570         if (TADC_GetHashReqID((unsigned char *)pRespBuf, sha1_tmp) < 0) {
 571                 DRM_TAPPS_EXCEPTION("TADC_GetHashReqID");
 572                 return TADC_GET_HASHREQID_ERROR;
 573         }
 574
 575         for (idx = 0; idx < DHINFO_MAX; idx++) {
 576                 if (!TADC_IF_MemCmp(g_DrmTdcDHInfo.hashReqID[idx], sha1_tmp, 20)) {
 577                         pt_ROAcqInfo = &g_DrmTdcDHInfo.t_ROAcqInfo[idx];
 578                         break;
 579                 }
 580         }
 581
 582         if (idx == DHINFO_MAX) {
 583                 DRM_TAPPS_EXCEPTION("idx == DHINFO_MAX!, Session-key is not same.");
 584                 return TADC_DHINFO_MAX_ERROR;
 585         }
 586
 587         if (pt_ROAcqInfo == NULL) {
 588                 DRM_TAPPS_EXCEPTION("pt_ROAcqInfo is NULL.");
 589                 return TADC_DHINFO_MAX_ERROR;
 590         }
 591
 592         //Get Decrypted License
 593         if ((ret = TADC_GetResponseRO((unsigned char *)pRespBuf, pt_ROAcqInfo, &t_RO,
 594                                                                   (unsigned char *)pDecLicenseBuf)) < 0) {
 595                 DrmTdcDHInfoFree(idx); //2010.02.26
 596                 DRM_TAPPS_EXCEPTION("TADC_GetResponseRO! Ret[%x]", ret);
 597                 return TADC_GET_RORES_INFO_ERROR;
 598         }
 599
 600         *decLicenseBufLen = strlen(pDecLicenseBuf) + 1;
 601
 602         // Check Signature and Certificate Chain
 603         if ((ret = TADC_VerifyROSignature((unsigned char *)pDecLicenseBuf))) {
 604                 DRM_TAPPS_EXCEPTION("TADC_VerifyROSignature Error Code = %x", ret);
 605                 return TADC_RO_SIGNATURE_ERROR;
 606         }
 607
 608         //2011.03.08, return time stamp
 609         memcpy(g_sTimeStamp, pt_ROAcqInfo->sTimeStamp,
 610                    strlen((char *)pt_ROAcqInfo->sTimeStamp) + 1);
 611
 612         //Free
 613         TADC_MEMFree_RO(&t_RO);
 614         DrmTdcDHInfoFree(idx);
 615
 616         return TADC_SUCCESS;
 617 }
 618
 619 void DrmTdcDHInfoInit(void)
 620 {
 621         memset(&g_DrmTdcDHInfo, 0x00, sizeof(DrmTdcDHInfo));
 622 }
 623
 624 bool DrmTdcDHInfoFree(int idx)
 625 {
 626         memset(&g_DrmTdcDHInfo.hashReqID[idx], 0x00,
 627                    sizeof(g_DrmTdcDHInfo.hashReqID[idx]));
 628
 629         if (TADC_MEMFree_ROAcqInfo(&g_DrmTdcDHInfo.t_ROAcqInfo[idx]) < 0)
 630                 return FALSE;
 631
 632         return TRUE;
 633 }