src/manager/client/client-manager-impl.cpp

   1 /* Copyright (c) 2000 - 2013 Samsung Electronics Co., Ltd All Rights Reserved
   2  *
   3  *  Licensed under the Apache License, Version 2.0 (the "License");
   4  *  you may not use this file except in compliance with the License.
   5  *  You may obtain a copy of the License at
   6  *
   7  *      http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  *  Unless required by applicable law or agreed to in writing, software
  10  *  distributed under the License is distributed on an "AS IS" BASIS,
  11  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12  *  See the License for the specific language governing permissions and
  13  *  limitations under the License
  14  *
  15  *
  16  * @file        client-manager-impl.cpp
  17  * @author      Bartlomiej Grzelewski (b.grzelewski@samsung.com)
  18  * @version     1.0
  19  * @brief       Manager implementation.
  20  */
  21 #include <openssl/evp.h>
  22
  23 #include <dpl/serialization.h>
  24 #include <dpl/log/log.h>
  25
  26 #include <crypto-init.h>
  27 #include <client-manager-impl.h>
  28 #include <client-common.h>
  29 #include <message-buffer.h>
  30 #include <protocols.h>
  31 #include <key-impl.h>
  32 #include <certificate-impl.h>
  33
  34 namespace CKM {
  35
  36 namespace {
  37 template <class T>
  38 int getCertChain(
  39     ServiceConnection & serviceConnection,
  40     LogicCommand command,
  41     int counter,
  42     const CertificateShPtr &certificate,
  43     const T &untrustedVector,
  44     const T &trustedVector,
  45     bool useTrustedSystemCertificates,
  46     CertificateShPtrVector &certificateChainVector)
  47 {
  48     return try_catch([&] {
  49
  50         MessageBuffer recv;
  51         auto send = MessageBuffer::Serialize(static_cast<int>(command),
  52                                              counter,
  53                                              certificate->getDER(),
  54                                              untrustedVector,
  55                                              trustedVector,
  56                                              useTrustedSystemCertificates);
  57
  58         int retCode = serviceConnection.processRequest(send.Pop(), recv);
  59         if (CKM_API_SUCCESS != retCode)
  60             return retCode;
  61
  62         int retCommand;
  63         int retCounter;
  64         RawBufferVector rawBufferVector;
  65         recv.Deserialize(retCommand, retCounter, retCode, rawBufferVector);
  66
  67         if ((counter != retCounter) || (static_cast<int>(command) != retCommand)) {
  68             return CKM_API_ERROR_UNKNOWN;
  69         }
  70
  71         if (retCode != CKM_API_SUCCESS) {
  72             return retCode;
  73         }
  74
  75         for (auto &e: rawBufferVector) {
  76             CertificateShPtr cert(new CertificateImpl(e, DataFormat::FORM_DER));
  77             if (cert->empty())
  78                 return CKM_API_ERROR_BAD_RESPONSE;
  79             certificateChainVector.push_back(cert);
  80         }
  81
  82         return retCode;
  83     });
  84 }
  85
  86 } // namespace anonymous
  87
  88 ManagerImpl::ManagerImpl()
  89   : m_counter(0),
  90     m_storageConnection(SERVICE_SOCKET_CKM_STORAGE),
  91     m_ocspConnection(SERVICE_SOCKET_OCSP),
  92     m_encryptionConnection(SERVICE_SOCKET_ENCRYPTION)
  93 {
  94     initCryptoLib();
  95 }
  96
  97
  98 int ManagerImpl::saveBinaryData(
  99     const Alias &alias,
 100     DataType dataType,
 101     const RawBuffer &rawData,
 102     const Policy &policy)
 103 {
 104     int my_counter = ++m_counter;
 105
 106     return try_catch([&] {
 107         if (alias.empty() || rawData.empty())
 108             return CKM_API_ERROR_INPUT_PARAM;
 109
 110         MessageBuffer recv;
 111         AliasSupport helper(alias);
 112         auto send = MessageBuffer::Serialize(static_cast<int>(LogicCommand::SAVE),
 113                                              my_counter,
 114                                              static_cast<int>(dataType),
 115                                              helper.getName(),
 116                                              helper.getLabel(),
 117                                              rawData,
 118                                              PolicySerializable(policy));
 119
 120         int retCode = m_storageConnection.processRequest(send.Pop(), recv);
 121         if (CKM_API_SUCCESS != retCode)
 122             return retCode;
 123
 124         int command;
 125         int counter;
 126         int opType;
 127         recv.Deserialize(command, counter, retCode, opType);
 128
 129         if (counter != my_counter)
 130             return CKM_API_ERROR_UNKNOWN;
 131
 132         return retCode;
 133     });
 134 }
 135
 136 int ManagerImpl::saveKey(const Alias &alias, const KeyShPtr &key, const Policy &policy) {
 137     if (key.get() == NULL)
 138         return CKM_API_ERROR_INPUT_PARAM;
 139     Try {
 140         return saveBinaryData(alias, DataType(key->getType()), key->getDER(), policy);
 141     } Catch (DataType::Exception::Base) {
 142         LogError("Error in key conversion. Could not convert KeyType::NONE to DBDataType!");
 143     }
 144     return CKM_API_ERROR_INPUT_PARAM;
 145 }
 146
 147 int ManagerImpl::saveCertificate(
 148     const Alias &alias,
 149     const CertificateShPtr &cert,
 150     const Policy &policy)
 151 {
 152     if (cert.get() == NULL)
 153         return CKM_API_ERROR_INPUT_PARAM;
 154     return saveBinaryData(alias, DataType::CERTIFICATE, cert->getDER(), policy);
 155 }
 156
 157 int ManagerImpl::saveData(const Alias &alias, const RawBuffer &rawData, const Policy &policy) {
 158     if (!policy.extractable)
 159         return CKM_API_ERROR_INPUT_PARAM;
 160     return saveBinaryData(alias, DataType::BINARY_DATA, rawData, policy);
 161 }
 162
 163
 164 int ManagerImpl::savePKCS12(
 165     const Alias & alias,
 166     const PKCS12ShPtr &pkcs,
 167     const Policy &keyPolicy,
 168     const Policy &certPolicy)
 169 {
 170     if (alias.empty() || pkcs.get()==NULL)
 171         return CKM_API_ERROR_INPUT_PARAM;
 172
 173     int my_counter = ++m_counter;
 174
 175     return try_catch([&] {
 176         MessageBuffer recv;
 177         AliasSupport helper(alias);
 178         auto send = MessageBuffer::Serialize(static_cast<int>(LogicCommand::SAVE_PKCS12),
 179                                              my_counter,
 180                                              helper.getName(),
 181                                              helper.getLabel(),
 182                                              PKCS12Serializable(*pkcs.get()),
 183                                              PolicySerializable(keyPolicy),
 184                                              PolicySerializable(certPolicy));
 185
 186         int retCode = m_storageConnection.processRequest(send.Pop(), recv);
 187         if (CKM_API_SUCCESS != retCode)
 188             return retCode;
 189
 190         int command;
 191         int counter;
 192         recv.Deserialize(command, counter, retCode);
 193
 194         if (counter != my_counter)
 195             return CKM_API_ERROR_UNKNOWN;
 196
 197         return retCode;
 198     });
 199 }
 200
 201 int ManagerImpl::getPKCS12(const Alias &alias, PKCS12ShPtr &pkcs)
 202 {
 203     return getPKCS12(alias, Password(), Password(), pkcs);
 204 }
 205
 206 int ManagerImpl::getPKCS12(const Alias &alias, const Password &keyPass, const Password &certPass, PKCS12ShPtr &pkcs)
 207 {
 208     if (alias.empty())
 209         return CKM_API_ERROR_INPUT_PARAM;
 210
 211     int my_counter = ++m_counter;
 212
 213     return try_catch([&] {
 214         MessageBuffer recv;
 215         AliasSupport helper(alias);
 216         auto send = MessageBuffer::Serialize(static_cast<int>(LogicCommand::GET_PKCS12),
 217                                              my_counter,
 218                                              helper.getName(),
 219                                              helper.getLabel(),
 220                                              keyPass,
 221                                              certPass);
 222
 223         int retCode = m_storageConnection.processRequest(send.Pop(), recv);
 224         if (CKM_API_SUCCESS != retCode)
 225             return retCode;
 226
 227         int command;
 228         int counter;
 229         PKCS12Serializable gotPkcs;
 230         recv.Deserialize(command, counter, retCode, gotPkcs);
 231
 232         if (counter != my_counter)
 233             return CKM_API_ERROR_UNKNOWN;
 234
 235         pkcs = std::make_shared<PKCS12Impl>(std::move(gotPkcs));
 236
 237         return retCode;
 238     });
 239 }
 240
 241
 242 int ManagerImpl::removeAlias(const Alias &alias)
 243 {
 244     if (alias.empty())
 245         return CKM_API_ERROR_INPUT_PARAM;
 246
 247     int my_counter = ++m_counter;
 248
 249     return try_catch([&] {
 250         MessageBuffer recv;
 251         AliasSupport helper(alias);
 252         auto send = MessageBuffer::Serialize(static_cast<int>(LogicCommand::REMOVE),
 253                                              my_counter,
 254                                              helper.getName(),
 255                                              helper.getLabel());
 256
 257         int retCode = m_storageConnection.processRequest(send.Pop(), recv);
 258         if (CKM_API_SUCCESS != retCode)
 259             return retCode;
 260
 261         int command;
 262         int counter;
 263         recv.Deserialize(command, counter, retCode);
 264
 265         if (counter != my_counter)
 266             return CKM_API_ERROR_UNKNOWN;
 267
 268         return retCode;
 269     });
 270 }
 271
 272 int ManagerImpl::getBinaryData(
 273     const Alias &alias,
 274     DataType sendDataType,
 275     const Password &password,
 276     DataType &recvDataType,
 277     RawBuffer &rawData)
 278 {
 279     if (alias.empty())
 280         return CKM_API_ERROR_INPUT_PARAM;
 281
 282     int my_counter = ++m_counter;
 283
 284     return try_catch([&] {
 285         MessageBuffer recv;
 286         AliasSupport helper(alias);
 287         auto send = MessageBuffer::Serialize(static_cast<int>(LogicCommand::GET),
 288                                              my_counter,
 289                                              static_cast<int>(sendDataType),
 290                                              helper.getName(),
 291                                              helper.getLabel(),
 292                                              password);
 293
 294         int retCode = m_storageConnection.processRequest(send.Pop(), recv);
 295         if (CKM_API_SUCCESS != retCode)
 296             return retCode;
 297
 298         int command;
 299         int counter;
 300         int tmpDataType;
 301         recv.Deserialize(command, counter, retCode, tmpDataType, rawData);
 302         recvDataType = DataType(tmpDataType);
 303
 304         if (counter != my_counter)
 305             return CKM_API_ERROR_UNKNOWN;
 306
 307         return retCode;
 308     });
 309 }
 310
 311 int ManagerImpl::getKey(const Alias &alias, const Password &password, KeyShPtr &key) {
 312     DataType recvDataType;
 313     RawBuffer rawData;
 314
 315     int retCode = getBinaryData(
 316         alias,
 317         DataType::KEY_RSA_PUBLIC,
 318         password,
 319         recvDataType,
 320         rawData);
 321
 322     if (retCode != CKM_API_SUCCESS)
 323         return retCode;
 324
 325     KeyShPtr keyParsed(new KeyImpl(rawData));
 326
 327     if (keyParsed->empty()) {
 328         LogDebug("Key empty - failed to parse!");
 329         return CKM_API_ERROR_BAD_RESPONSE;
 330     }
 331
 332     key = keyParsed;
 333
 334     return CKM_API_SUCCESS;
 335 }
 336
 337 int ManagerImpl::getCertificate(const Alias &alias, const Password &password, CertificateShPtr &cert)
 338 {
 339     DataType recvDataType;
 340     RawBuffer rawData;
 341
 342     int retCode = getBinaryData(
 343         alias,
 344         DataType::CERTIFICATE,
 345         password,
 346         recvDataType,
 347         rawData);
 348
 349     if (retCode != CKM_API_SUCCESS)
 350         return retCode;
 351
 352     if (recvDataType != DataType::CERTIFICATE)
 353         return CKM_API_ERROR_BAD_RESPONSE;
 354
 355     CertificateShPtr certParsed(new CertificateImpl(rawData, DataFormat::FORM_DER));
 356
 357     if (certParsed->empty())
 358         return CKM_API_ERROR_BAD_RESPONSE;
 359
 360     cert = certParsed;
 361
 362     return CKM_API_SUCCESS;
 363 }
 364
 365 int ManagerImpl::getData(const Alias &alias, const Password &password, RawBuffer &rawData)
 366 {
 367     DataType recvDataType = DataType::BINARY_DATA;
 368
 369     int retCode = getBinaryData(
 370         alias,
 371         DataType::BINARY_DATA,
 372         password,
 373         recvDataType,
 374         rawData);
 375
 376     if (retCode != CKM_API_SUCCESS)
 377         return retCode;
 378
 379     if (recvDataType != DataType::BINARY_DATA)
 380         return CKM_API_ERROR_BAD_RESPONSE;
 381
 382     return CKM_API_SUCCESS;
 383 }
 384
 385 int ManagerImpl::getBinaryDataAliasVector(DataType dataType, AliasVector &aliasVector)
 386 {
 387     int my_counter = ++m_counter;
 388
 389     return try_catch([&] {
 390         MessageBuffer recv;
 391         auto send = MessageBuffer::Serialize(static_cast<int>(LogicCommand::GET_LIST),
 392                                              my_counter,
 393                                              static_cast<int>(dataType));
 394
 395         int retCode = m_storageConnection.processRequest(send.Pop(), recv);
 396         if (CKM_API_SUCCESS != retCode)
 397             return retCode;
 398
 399         int command;
 400         int counter;
 401         int tmpDataType;
 402         LabelNameVector labelNameVector;
 403         recv.Deserialize(command, counter, retCode, tmpDataType, labelNameVector);
 404         if ((command != static_cast<int>(LogicCommand::GET_LIST)) || (counter != my_counter)) {
 405             return CKM_API_ERROR_UNKNOWN;
 406         }
 407
 408         for(const auto &it : labelNameVector)
 409             aliasVector.push_back( AliasSupport::merge(it.first, it.second) );
 410
 411         return retCode;
 412     });
 413 }
 414
 415 int ManagerImpl::getKeyAliasVector(AliasVector &aliasVector) {
 416     // in fact datatype has no meaning here - if not certificate or binary data
 417     // then manager decides to list all between DB_KEY_FIRST and DB_KEY_LAST
 418     return getBinaryDataAliasVector(DataType::DB_KEY_LAST, aliasVector);
 419 }
 420
 421 int ManagerImpl::getCertificateAliasVector(AliasVector &aliasVector) {
 422     return getBinaryDataAliasVector(DataType::CERTIFICATE, aliasVector);
 423 }
 424
 425 int ManagerImpl::getDataAliasVector(AliasVector &aliasVector) {
 426     return getBinaryDataAliasVector(DataType::BINARY_DATA, aliasVector);
 427 }
 428
 429 int ManagerImpl::createKeyPairRSA(
 430     const int size,
 431     const Alias &privateKeyAlias,
 432     const Alias &publicKeyAlias,
 433     const Policy &policyPrivateKey,
 434     const Policy &policyPublicKey)
 435 {
 436     return this->createKeyPair(CKM::KeyType::KEY_RSA_PUBLIC, size, privateKeyAlias, publicKeyAlias, policyPrivateKey, policyPublicKey);
 437 }
 438
 439 int ManagerImpl::createKeyPairDSA(
 440     const int size,
 441     const Alias &privateKeyAlias,
 442     const Alias &publicKeyAlias,
 443     const Policy &policyPrivateKey,
 444     const Policy &policyPublicKey)
 445 {
 446     return this->createKeyPair(CKM::KeyType::KEY_DSA_PUBLIC, size, privateKeyAlias, publicKeyAlias, policyPrivateKey, policyPublicKey);
 447 }
 448
 449 int ManagerImpl::createKeyPairECDSA(
 450     ElipticCurve type,
 451     const Alias &privateKeyAlias,
 452     const Alias &publicKeyAlias,
 453     const Policy &policyPrivateKey,
 454     const Policy &policyPublicKey)
 455 {
 456     return this->createKeyPair(CKM::KeyType::KEY_ECDSA_PUBLIC, static_cast<int>(type), privateKeyAlias, publicKeyAlias, policyPrivateKey, policyPublicKey);
 457 }
 458
 459 int ManagerImpl::createKeyPair(
 460     const KeyType key_type,
 461     const int     additional_param,
 462     const Alias  &privateKeyAlias,
 463     const Alias  &publicKeyAlias,
 464     const Policy &policyPrivateKey,
 465     const Policy &policyPublicKey)
 466 {
 467     // input type check
 468     CryptoAlgorithm keyGenAlgorithm;
 469     switch(key_type)
 470     {
 471         case KeyType::KEY_RSA_PUBLIC:
 472         case KeyType::KEY_RSA_PRIVATE:
 473             keyGenAlgorithm.addParam(ParamName::ALGO_TYPE, AlgoType::RSA_GEN);
 474             keyGenAlgorithm.addParam(ParamName::GEN_KEY_LEN, additional_param);
 475             break;
 476
 477         case KeyType::KEY_DSA_PUBLIC:
 478         case KeyType::KEY_DSA_PRIVATE:
 479             keyGenAlgorithm.addParam(ParamName::ALGO_TYPE, AlgoType::DSA_GEN);
 480             keyGenAlgorithm.addParam(ParamName::GEN_KEY_LEN, additional_param);
 481             break;
 482
 483         case KeyType::KEY_ECDSA_PUBLIC:
 484         case KeyType::KEY_ECDSA_PRIVATE:
 485             keyGenAlgorithm.addParam(ParamName::ALGO_TYPE, AlgoType::ECDSA_GEN);
 486             keyGenAlgorithm.addParam(ParamName::GEN_EC, additional_param);
 487             break;
 488
 489         default:
 490             return CKM_API_ERROR_INPUT_PARAM;
 491     }
 492
 493     // proceed with sending request
 494     int my_counter = ++m_counter;
 495
 496     return try_catch([&] {
 497
 498         MessageBuffer recv;
 499         AliasSupport privateHelper(privateKeyAlias);
 500         AliasSupport publicHelper(publicKeyAlias);
 501         auto send = MessageBuffer::Serialize(static_cast<int>(LogicCommand::CREATE_KEY_PAIR),
 502                                              my_counter,
 503                                              CryptoAlgorithmSerializable(keyGenAlgorithm),
 504                                              PolicySerializable(policyPrivateKey),
 505                                              PolicySerializable(policyPublicKey),
 506                                              privateHelper.getName(),
 507                                              privateHelper.getLabel(),
 508                                              publicHelper.getName(),
 509                                              publicHelper.getLabel());
 510
 511         int retCode = m_storageConnection.processRequest(send.Pop(), recv);
 512         if (CKM_API_SUCCESS != retCode)
 513             return retCode;
 514
 515         int command;
 516         int counter;
 517         recv.Deserialize(command, counter, retCode);
 518         if (counter != my_counter) {
 519             return CKM_API_ERROR_UNKNOWN;
 520         }
 521
 522         return retCode;
 523     });
 524 }
 525
 526 int ManagerImpl::getCertificateChain(
 527     const CertificateShPtr &certificate,
 528     const CertificateShPtrVector &untrustedCertificates,
 529     const CertificateShPtrVector &trustedCertificates,
 530     bool useTrustedSystemCertificates,
 531     CertificateShPtrVector &certificateChainVector)
 532 {
 533     RawBufferVector untrustedVector;
 534     RawBufferVector trustedVector;
 535
 536     for (auto &e: untrustedCertificates) {
 537         untrustedVector.push_back(e->getDER());
 538     }
 539     for (auto &e: trustedCertificates) {
 540         trustedVector.push_back(e->getDER());
 541     }
 542
 543     return getCertChain(
 544             m_storageConnection,
 545             LogicCommand::GET_CHAIN_CERT,
 546             ++m_counter,
 547             certificate,
 548             untrustedVector,
 549             trustedVector,
 550             useTrustedSystemCertificates,
 551             certificateChainVector);
 552 }
 553
 554 int ManagerImpl::getCertificateChain(
 555     const CertificateShPtr &certificate,
 556     const AliasVector &untrustedCertificates,
 557     const AliasVector &trustedCertificates,
 558     bool useTrustedSystemCertificates,
 559     CertificateShPtrVector &certificateChainVector)
 560 {
 561     LabelNameVector untrustedVector;
 562     LabelNameVector trustedVector;
 563
 564     for (auto &e: untrustedCertificates) {
 565         AliasSupport helper(e);
 566         untrustedVector.push_back(std::make_pair(helper.getLabel(), helper.getName()));
 567     }
 568     for (auto &e: trustedCertificates) {
 569         AliasSupport helper(e);
 570         trustedVector.push_back(std::make_pair(helper.getLabel(), helper.getName()));
 571     }
 572
 573     return getCertChain(
 574             m_storageConnection,
 575             LogicCommand::GET_CHAIN_ALIAS,
 576             ++m_counter,
 577             certificate,
 578             untrustedVector,
 579             trustedVector,
 580             useTrustedSystemCertificates,
 581             certificateChainVector);
 582 }
 583
 584 int ManagerImpl::createSignature(
 585     const Alias &privateKeyAlias,
 586     const Password &password,           // password for private_key
 587     const RawBuffer &message,
 588     const HashAlgorithm hash,
 589     const RSAPaddingAlgorithm padding,
 590     RawBuffer &signature)
 591 {
 592     int my_counter = ++m_counter;
 593
 594     return try_catch([&] {
 595
 596         MessageBuffer recv;
 597         AliasSupport helper(privateKeyAlias);
 598         auto send = MessageBuffer::Serialize(static_cast<int>(LogicCommand::CREATE_SIGNATURE),
 599                                              my_counter,
 600                                              helper.getName(),
 601                                              helper.getLabel(),
 602                                              password,
 603                                              message,
 604                                              static_cast<int>(hash),
 605                                              static_cast<int>(padding));
 606
 607         int retCode = m_storageConnection.processRequest(send.Pop(), recv);
 608         if (CKM_API_SUCCESS != retCode)
 609             return retCode;
 610
 611         int command;
 612         int counter;
 613         recv.Deserialize(command, counter, retCode, signature);
 614
 615         if ((command != static_cast<int>(LogicCommand::CREATE_SIGNATURE))
 616             || (counter != my_counter))
 617         {
 618             return CKM_API_ERROR_UNKNOWN;
 619         }
 620
 621         return retCode;
 622     });
 623 }
 624
 625 int ManagerImpl::verifySignature(
 626     const Alias &publicKeyOrCertAlias,
 627     const Password &password,           // password for public_key (optional)
 628     const RawBuffer &message,
 629     const RawBuffer &signature,
 630     const HashAlgorithm hash,
 631     const RSAPaddingAlgorithm padding)
 632 {
 633     int my_counter = ++m_counter;
 634
 635     return try_catch([&] {
 636         MessageBuffer recv;
 637         AliasSupport helper(publicKeyOrCertAlias);
 638         auto send = MessageBuffer::Serialize(static_cast<int>(LogicCommand::VERIFY_SIGNATURE),
 639                                              my_counter,
 640                                              helper.getName(),
 641                                              helper.getLabel(),
 642                                              password,
 643                                              message,
 644                                              signature,
 645                                              static_cast<int>(hash),
 646                                              static_cast<int>(padding));
 647
 648         int retCode = m_storageConnection.processRequest(send.Pop(), recv);
 649         if (CKM_API_SUCCESS != retCode)
 650             return retCode;
 651
 652         int command;
 653         int counter;
 654         recv.Deserialize(command, counter, retCode);
 655
 656         if ((command != static_cast<int>(LogicCommand::VERIFY_SIGNATURE))
 657             || (counter != my_counter))
 658         {
 659             return CKM_API_ERROR_UNKNOWN;
 660         }
 661
 662         return retCode;
 663     });
 664 }
 665
 666 int ManagerImpl::ocspCheck(const CertificateShPtrVector &certChain, int &ocspStatus)
 667 {
 668     return try_catch([&] {
 669         int my_counter = ++m_counter;
 670         MessageBuffer recv;
 671
 672         RawBufferVector rawCertChain;
 673         for (auto &e: certChain) {
 674             rawCertChain.push_back(e->getDER());
 675         }
 676
 677         auto send = MessageBuffer::Serialize(my_counter, rawCertChain);
 678
 679         int retCode = m_ocspConnection.processRequest(send.Pop(), recv);
 680         if (CKM_API_SUCCESS != retCode)
 681             return retCode;
 682
 683         int counter;
 684         recv.Deserialize(counter, retCode, ocspStatus);
 685
 686         if (my_counter != counter) {
 687             return CKM_API_ERROR_UNKNOWN;
 688         }
 689
 690         return retCode;
 691     });
 692 }
 693
 694 int ManagerImpl::setPermission(const Alias &alias,
 695                                const Label &accessor,
 696                                PermissionMask permissionMask)
 697 {
 698     int my_counter = ++m_counter;
 699
 700     return try_catch([&] {
 701         MessageBuffer recv;
 702         AliasSupport helper(alias);
 703         auto send = MessageBuffer::Serialize(static_cast<int>(LogicCommand::SET_PERMISSION),
 704                                              my_counter,
 705                                              helper.getName(),
 706                                              helper.getLabel(),
 707                                              accessor,
 708                                              permissionMask);
 709
 710         int retCode = m_storageConnection.processRequest(send.Pop(), recv);
 711         if (CKM_API_SUCCESS != retCode)
 712             return retCode;
 713
 714         int command;
 715         int counter;
 716         recv.Deserialize(command, counter, retCode);
 717
 718         if (my_counter != counter) {
 719             return CKM_API_ERROR_UNKNOWN;
 720         }
 721
 722         return retCode;
 723     });
 724 }
 725
 726 int ManagerImpl::encrypt(const CryptoAlgorithm &algo,
 727                          const Alias &keyAlias,
 728                          const Password &password,
 729                          const RawBuffer& plain,
 730                          RawBuffer& encrypted)
 731 {
 732     int my_counter = ++m_counter;
 733
 734     return try_catch([&] {
 735         MessageBuffer recv;
 736         AliasSupport helper(keyAlias);
 737         CryptoAlgorithmSerializable cas(algo);
 738         auto send = MessageBuffer::Serialize(static_cast<int>(EncryptionCommand::ENCRYPT),
 739                                              my_counter,
 740                                              cas,
 741                                              helper.getName(),
 742                                              helper.getLabel(),
 743                                              password,
 744                                              plain);
 745
 746         int retCode = m_encryptionConnection.processRequest(send.Pop(), recv);
 747         if (CKM_API_SUCCESS != retCode)
 748             return retCode;
 749
 750         int command;
 751         int counter;
 752         recv.Deserialize(command, counter, encrypted);
 753
 754         if (my_counter != counter) {
 755             return CKM_API_ERROR_UNKNOWN;
 756         }
 757
 758         return retCode;
 759     });
 760 }
 761
 762 int ManagerImpl::decrypt(const CryptoAlgorithm &algo,
 763                          const Alias &keyAlias,
 764                          const Password &password,
 765                          const RawBuffer& encrypted,
 766                          RawBuffer& decrypted)
 767 {
 768     int my_counter = ++m_counter;
 769
 770     return try_catch([&] {
 771         MessageBuffer recv;
 772         AliasSupport helper(keyAlias);
 773         CryptoAlgorithmSerializable cas(algo);
 774         auto send = MessageBuffer::Serialize(static_cast<int>(EncryptionCommand::DECRYPT),
 775                                              my_counter,
 776                                              cas,
 777                                              helper.getName(),
 778                                              helper.getLabel(),
 779                                              password,
 780                                              encrypted);
 781
 782         int retCode = m_encryptionConnection.processRequest(send.Pop(), recv);
 783         if (CKM_API_SUCCESS != retCode)
 784             return retCode;
 785
 786         int command;
 787         int counter;
 788         recv.Deserialize(command, counter, decrypted);
 789
 790         if (my_counter != counter) {
 791             return CKM_API_ERROR_UNKNOWN;
 792         }
 793
 794         return retCode;
 795     });
 796 }
 797
 798 ManagerShPtr Manager::create() {
 799     try {
 800         return std::make_shared<ManagerImpl>();
 801     } catch (const std::bad_alloc &) {
 802         LogDebug("Bad alloc was caught during ManagerImpl creation.");
 803     } catch (...) {
 804         LogError("Critical error: Unknown exception was caught during ManagerImpl creation!");
 805     }
 806     return ManagerShPtr();
 807 }
 808
 809 } // namespace CKM