public bool EncryptFile()
{
if (!Validate())
{
return(false);
}
var extension = Path.GetExtension(this.FileEncryptName);
FileSaveName = Path.ChangeExtension(this.FileSaveName, extension);
var publicKey = this.GetReceiverPublicKey(this.Email);
try
{
SymetricService.EncryptFile(FileEncryptName,
FileSaveName,
this.EncryptInfo,
publicKey);
}
catch (Exception ex)
{
this.WarningMessage = "There was an error when encrypting file.";
return(false);
}
return(true);
}
public string GetReceiverPrivateKey(string email)
{
var privateKey = SymetricService.RijndaelDecryptData(Convert.FromBase64String(this.User.PrivateKey),
Convert.FromBase64String(User.Passphrase),
Convert.FromBase64String(User.IV));
return(privateKey);
}
public FileEncryptModel()
{
EncryptInfo = new EncryptingFileInfo();
this.LoadEmails();
this.LoadAlgorithm();
this.LoadPaddingModes();
this.LoadCipherModes();
SymetricService = new SymetricService();
XmlService = new XmlService();
}
public SignUpModel()
{
XmlService = new XmlService();
RSAService = new RSAService();
HashService = new HashService();
SymetricService = new SymetricService();
User = new UserDto();
User.Salt = Guid.NewGuid().ToString();
}
public bool DecryptFile()
{
if (!Validate())
{
return(false);
}
var extension = Path.GetExtension(this.FileDecryptName);
FileSaveName = Path.ChangeExtension(this.FileSaveName, extension);
var privateKey = this.GetReceiverPrivateKey(this.User.Email);
try
{
SymetricService.DecryptFile(FileDecryptName, FileSaveName, privateKey);
}
catch (Exception ex)
{
this.WarningMessage = $"Cannot decrypted symetric key.{Environment.NewLine}Reason: Wrong user's private key";
return(false);
}
return(true);
}
public FileDecryptModel()
{
SymetricService = new SymetricService();
XmlService = new XmlService();
}
public FileSignModel()
{
User = new UserDto();
RSAService = new RSAService();
SymetricService = new SymetricService();
}