private static Globals.ResultType Decrypt(this FileObject fileObject, string strDecryptedFilename, string strKey)
{
try
{
// Create DES Provider
DESCryptoServiceProvider DES = new DESCryptoServiceProvider();
DES.Key = ASCIIEncoding.ASCII.GetBytes(strKey);
DES.IV = ASCIIEncoding.ASCII.GetBytes(strKey);
// Read Encrypted File
FileStream stream = new FileStream(fileObject.FilePath, FileMode.Open, FileAccess.Read);
ICryptoTransform desdecrypt = DES.CreateDecryptor();
CryptoStream cryptostreamDecr = new CryptoStream(stream, desdecrypt, CryptoStreamMode.Read);
// Write Decrypted File
StreamWriter fsDecrypted = new StreamWriter(strDecryptedFilename);
fsDecrypted.Write(new StreamReader(cryptostreamDecr).ReadToEnd());
fsDecrypted.Flush();
fsDecrypted.Close();
// Refresh File Object
fileObject.Refresh();
return(Globals.ResultType.Success);
}
catch (Exception ex)
{
// To Be Implemented: Throw Custom Exception...
Console.WriteLine(ex.ToString());
return(Globals.ResultType.Failure);
}
}
private static Globals.ResultType Encrypt(this FileObject fileObject, string strEncryptedFilename, string strKey)
{
try
{
// Read File
FileStream stream = new FileStream(fileObject.FilePath, FileMode.Open, FileAccess.Read);
FileStream streamEncrypted = new FileStream(strEncryptedFilename, FileMode.Create, FileAccess.Write);
DESCryptoServiceProvider DES = new DESCryptoServiceProvider();
DES.Key = ASCIIEncoding.ASCII.GetBytes(strKey);
DES.IV = ASCIIEncoding.ASCII.GetBytes(strKey);
// Create Encryptor
ICryptoTransform desencrypt = DES.CreateEncryptor();
CryptoStream cryptostream = new CryptoStream(streamEncrypted, desencrypt, CryptoStreamMode.Write);
byte[] bytearrayinput = new byte[stream.Length];
stream.Read(bytearrayinput, 0, bytearrayinput.Length);
// Write to File
cryptostream.Write(bytearrayinput, 0, bytearrayinput.Length);
cryptostream.Close();
stream.Close();
// Refresh File Object
fileObject.Refresh();
return(Globals.ResultType.Success);
}
catch (Exception ex)
{
// To Be Implemented: Throw Custom Exception...
Console.WriteLine(ex.ToString());
return(Globals.ResultType.Failure);
}
}
private static Globals.ResultType Encrypt(this FileObject fileObject)
{
try
{
System.IO.File.Encrypt(fileObject.FilePath);
// Refresh File Object
fileObject.Refresh();
return(Globals.ResultType.Success);
}
catch (Exception ex)
{
// To Be Implemented: Throw Custom Exception...
Console.WriteLine(ex.ToString());
return(Globals.ResultType.Failure);
}
}
private static Globals.ResultType SetAttributes(this FileObject fileObject, System.IO.FileAttributes fileAttributes)
{
try
{
// Set File Attributes
System.IO.File.SetAttributes(fileObject.FilePath, fileAttributes);
// Refresh File Object
fileObject.Refresh();
return(Globals.ResultType.Success);
}
catch (Exception ex)
{
// To Be Implemented: Throw Custom Exception...
Console.WriteLine(ex.ToString());
return(Globals.ResultType.Failure);
}
}