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C++ EncfsConfig::set_block_mac_rand_bytes方法代码示例

本文整理汇总了C++中EncfsConfig::set_block_mac_rand_bytes方法的典型用法代码示例。如果您正苦于以下问题:C++ EncfsConfig::set_block_mac_rand_bytes方法的具体用法?C++ EncfsConfig::set_block_mac_rand_bytes怎么用?C++ EncfsConfig::set_block_mac_rand_bytes使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在EncfsConfig的用法示例。


在下文中一共展示了EncfsConfig::set_block_mac_rand_bytes方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: readV5Config

// Read a v5 archive, which is a proprietary binary format.
bool readV5Config( const char *configFile, 
    EncfsConfig &config, ConfigInfo *)
{
  bool ok = false;

  // use Config to parse the file and query it..
  ConfigReader cfgRdr;
  if(cfgRdr.load( configFile ))
  {
    try
    {
      config.set_revision(cfgRdr["subVersion"].readInt(0));
      if(config.revision() > V5Latest)
      {
        /* config file specifies a version outside our supported
           range..   */
        LOG(ERROR) << "Config subversion " << config.revision()
          << " found, but this version of encfs only supports up to version "
          << V5Latest;
        return false;
      }
      if( config.revision() < V5Latest )
      {
        LOG(ERROR) << "This version of EncFS doesn't support "
          << "filesystems created with EncFS releases before 2004-08-13";
        return false;
      }

      cfgRdr["creator"] >> (*config.mutable_creator());
      cfgRdr["cipher"] >> (*config.mutable_cipher());
      cfgRdr["naming"] >> (*config.mutable_naming());

      int blockSize;
      cfgRdr["blockSize"] >> blockSize;
      config.set_block_size(blockSize);

      EncryptedKey *encryptedKey = config.mutable_key();
      int keySize;
      cfgRdr["keySize"] >> keySize;
      encryptedKey->set_size(keySize / 8);
      cfgRdr["keyData"] >> (*encryptedKey->mutable_ciphertext());

      config.set_unique_iv( cfgRdr["uniqueIV"].readBool( false ) );
      config.set_chained_iv( cfgRdr["chainedIV"].readBool( false ) );
      config.set_external_iv( cfgRdr["externalIV"].readBool( false ) );
      config.set_block_mac_bytes( cfgRdr["blockMACBytes"].readInt(0) );
      config.set_block_mac_rand_bytes( cfgRdr["blockMACRandBytes"].readInt(0) );

      ok = true;
    } catch( Error &err)
    {
      LOG(WARNING) << "Error parsing data in config file " << configFile
        << "; " << err.what();
      ok = false;
    }
  }

  return ok;
}
开发者ID:bentolor,项目名称:encfs,代码行数:60,代码来源:FileUtils.cpp

示例2: createConfig


//.........这里部分代码省略.........
      {
        // xgroup(setup)
        cout << _("External chained IV disabled, as both 'IV chaining'\n"
            "and 'unique IV' features are required for this option.") 
          << "\n";
        externalIV = false;
      }
      selectBlockMAC(&blockMACBytes, &blockMACRandBytes);
      allowHoles = selectZeroBlockPassThrough();
    }
    desiredKDFDuration = selectKDFDuration();
  }

  shared_ptr<CipherV1> cipher = CipherV1::New( alg.iface, keySize );
  if(!cipher)
  {
    LOG(ERROR) << "Unable to instanciate cipher " << alg.name
      << ", key size " << keySize << ", block size " << blockSize;
    return rootInfo;
  } else
  {
    VLOG(1) << "Using cipher " << alg.name
      << ", key size " << keySize << ", block size " << blockSize;
  }

  EncfsConfig config;

  config.mutable_cipher()->MergeFrom( cipher->interface() );
  config.set_block_size( blockSize );
  config.mutable_naming()->MergeFrom( nameIOIface );
  config.set_creator( "EncFS " VERSION );
  config.set_revision( ProtoSubVersion );
  config.set_block_mac_bytes( blockMACBytes );
  config.set_block_mac_rand_bytes( blockMACRandBytes );
  config.set_unique_iv( uniqueIV );
  config.set_chained_iv( chainedIV );
  config.set_external_iv( externalIV );
  config.set_allow_holes( allowHoles );

  EncryptedKey *key = config.mutable_key();
  key->clear_salt();
  key->clear_kdf_iterations(); // filled in by keying function
  key->set_kdf_duration( desiredKDFDuration );
  key->set_size(keySize / 8);

  cout << "\n";
  // xgroup(setup)
  cout << _("Configuration finished.  The filesystem to be created has\n"
      "the following properties:") << endl;
  showFSInfo( config );

  if( config.external_iv() )
  {
    cout << 
      _("-------------------------- WARNING --------------------------\n")
      <<
      _("The external initialization-vector chaining option has been\n"
          "enabled.  This option disables the use of hard links on the\n"
          "filesystem. Without hard links, some programs may not work.\n"
          "The programs 'mutt' and 'procmail' are known to fail.  For\n"
          "more information, please see the encfs mailing list.\n"
          "If you would like to choose another configuration setting,\n"
          "please press CTRL-C now to abort and start over.") << endl;
    cout << endl;
  }
开发者ID:bentolor,项目名称:encfs,代码行数:66,代码来源:FileUtils.cpp

示例3: readV6Config

// Read a boost::serialization config file using an Xml reader..
bool readV6Config( const char *configFile, 
    EncfsConfig &cfg, ConfigInfo *info)
{
  (void)info;

  XmlReader rdr;
  if (!rdr.load(configFile))
  {
    LOG(ERROR) << "Failed to load config file " << configFile;
    return false;
  }

  XmlValuePtr serialization = rdr["boost_serialization"];
  XmlValuePtr config = (*serialization)["cfg"];
  if (!config) {
    config = (*serialization)["config"];
  }
  if (!config) {
    LOG(ERROR) << "Unable to find XML configuration in file " << configFile;
    return false;
  }

  int version;
  if (!config->read("version", &version) &&
      !config->read("@version", &version)) {
    LOG(ERROR) << "Unable to find version in config file";
    return false;
  }

  // version numbering was complicated by boost::archive 
  if (version == 20 || version >= 20100713)
  {
    VLOG(1) << "found new serialization format";
    cfg.set_revision(version);
  } else if (version == 26800)
  {
    VLOG(1) << "found 20080816 version";
    cfg.set_revision(20080816);
  } else if (version == 26797)
  {
    VLOG(1) << "found 20080813";
    cfg.set_revision(20080813);
  } else if (version < V5Latest)
  {
    LOG(ERROR) << "Invalid version " << version
      << " - please fix config file";
  } else
  {
    LOG(INFO) << "Boost <= 1.41 compatibility mode";
    cfg.set_revision(version);
  }
  VLOG(1) << "subVersion = " << cfg.revision();

  config->read("creator", cfg.mutable_creator());
  config->read("cipherAlg", cfg.mutable_cipher());
  config->read("nameAlg", cfg.mutable_naming());

  //(*config)["keySize"] >> cfg.keySize;
  int blockSize, blockMacBytes, blockMacRandBytes;
  bool uniqueIv, chainedNameIv, externalIv, allowHoles;

  config->read("blockSize", &blockSize);
  config->read("uniqueIV", &uniqueIv);
  config->read("chainedNameIV", &chainedNameIv);
  config->read("externalIVChaining", &externalIv);
  config->read("blockMACBytes", &blockMacBytes);
  config->read("blockMACRandBytes", &blockMacRandBytes);
  config->read("allowHoles", &allowHoles);

  cfg.set_block_size(blockSize);
  cfg.set_unique_iv(uniqueIv);
  cfg.set_chained_iv(chainedNameIv);
  cfg.set_external_iv(externalIv);
  cfg.set_block_mac_bytes(blockMacBytes);
  cfg.set_block_mac_rand_bytes(blockMacRandBytes);
  cfg.set_allow_holes(allowHoles);

  EncryptedKey *encryptedKey = cfg.mutable_key();
  int encodedSize;
  config->read("encodedKeySize", &encodedSize);
  unsigned char *key = new unsigned char[encodedSize];
  config->readB64("encodedKeyData", key, encodedSize);
  encryptedKey->set_ciphertext(key, encodedSize);
  delete[] key;
  
  int keySize;
  config->read("keySize", &keySize);
  encryptedKey->set_size(keySize / 8); // save as size in bytes

  if(cfg.revision() >= 20080816)
  {
    int saltLen;
    config->read("saltLen", &saltLen);
    unsigned char *salt = new unsigned char[saltLen];
    config->readB64("saltData", salt, saltLen);
    encryptedKey->set_salt(salt, saltLen);
    delete[] salt;

    int kdfIterations, desiredKDFDuration;
//.........这里部分代码省略.........
开发者ID:bentolor,项目名称:encfs,代码行数:101,代码来源:FileUtils.cpp


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