internal static void Encrypt_File_Contents(string InputFilePath)
{
byte[] encrypted;
using (Aes AES = Aes.Create())
{
AES.KeySize = AES256KeySize;
AES.BlockSize = 128;
AES.Padding = PaddingMode.PKCS7;
var key = new Rfc2898DeriveBytes(CONVERT_To_UTF8_Bytes(GET_Password()), CONVERT_To_UTF8_Bytes(SALT), 50000);
AES.Key = key.GetBytes(AES.KeySize / 8);
AES.IV = key.GetBytes(AES.BlockSize / 8);
ICryptoTransform encryptor = AES.CreateEncryptor(AES.Key, AES.IV);
using (MemoryStream msEncrypt = new MemoryStream())
{
using (CryptoStream csEncrypt = new CryptoStream(msEncrypt, encryptor, CryptoStreamMode.Write))
{
using (StreamWriter swEncrypt = new StreamWriter(csEncrypt))
{
swEncrypt.Write(File.ReadAllText(InputFilePath));
}
encrypted = msEncrypt.ToArray();
}
}
File_Operation.Turnicate_File(InputFilePath, encrypted);
}
}
internal static string Decrypt_File_Contents(string InputEncryptedFilePath, bool ReWriteDecryptedFile = true)
{
string plaintext = null;
CryptoStream csDecrypt = null;
try
{
using (Aes AES = Aes.Create())
{
AES.KeySize = AES256KeySize;
AES.BlockSize = 128;
AES.Padding = PaddingMode.PKCS7;
var key = new Rfc2898DeriveBytes(CONVERT_To_UTF8_Bytes(GET_Password()), CONVERT_To_UTF8_Bytes(SALT), 50000);
AES.Key = key.GetBytes(AES.KeySize / 8);
AES.IV = key.GetBytes(AES.BlockSize / 8);
ICryptoTransform decryptor = AES.CreateDecryptor(AES.Key, AES.IV);
using (MemoryStream msDecrypt = new MemoryStream(File.ReadAllBytes(InputEncryptedFilePath)))
{
using (csDecrypt = new CryptoStream(msDecrypt, decryptor, CryptoStreamMode.Read))
{
using (StreamReader srDecrypt = new StreamReader(csDecrypt))
{
try
{
plaintext = srDecrypt.ReadToEnd();
}
catch (Exception e)
{
File_Operation.DELETE_File(InputEncryptedFilePath);
File_Operation.WRITE_Default_Critical_Files();
}
}
csDecrypt = null;
}
}
}
if (ReWriteDecryptedFile)
{
File_Operation.Turnicate_File(InputEncryptedFilePath);
}
}
finally
{
if (csDecrypt != null)
{
csDecrypt.Dispose();
}
}
return(plaintext);
}
internal static void WRITE_Default_Configs_Files_and_Reg()
{
File_Operation.Turnicate_File(GET_AppConfigFile_Path);
File_Operation.Turnicate_File(GET_EventLogID_PlaceHolder_Path);
File_Operation.Turnicate_File(GET_SearchTermsFile_Path);
File_Operation.Turnicate_File(GET_WhiteList_SearchTermsFile_Path);
File_Operation.Turnicate_File(GET_SearchTermsFile_PLUGIN_Path);
File_Operation.CREATE_NEW_Files_And_Dirs(Config_File_Location, AppConfigFile_FileName, File_Operation.GET_Default_ConsoleAppConfig_File_Contents, true);
File_Operation.CREATE_NEW_Files_And_Dirs(Config_File_Location, EventLogID_PlaceHolde_FileName, File_Operation.GET_Default_Eventlog_with_PlaceKeeper_File_Contents, true);
File_Operation.CREATE_NEW_Files_And_Dirs(Search_File_Location, SearchTermsFileName_FileName, File_Operation.GET_Default_Logs_Search_File_Contents, true);
File_Operation.CREATE_NEW_Files_And_Dirs(Search_File_Location, Search_WhiteList_FileName, "", true);
File_Operation.CREATE_NEW_Files_And_Dirs(Plugin_Search_Location, SearchTermsFileName_FileName, File_Operation.GET_Default_Powershell_Plugins_File_Contents, true);
Reg_Operation.WRITE_Default_SWELF_Reg_Keys();
Error_Operation.Log_Error("WRITE_Default_Configs()", "SWELF created new default config files for all settings", "", Error_Operation.LogSeverity.FailureAudit);
}
