public void decrypt()
{
// now we use try catch, in the event something bad happens <3
try {
SharpAESCrypt.SharpAESCrypt.Extension_CreatedByIdentifier = "RuSimpleCrypt";
using (FileStream output = new FileStream(@filename.Replace(".aes", ""), FileMode.OpenOrCreate, FileAccess.ReadWrite))
{
byte[] buffer = new byte[1024 * 4];
Stream input = new FileStream(@filename, FileMode.Open, FileAccess.Read);
SharpAESCrypt.SharpAESCrypt aesStream = new SharpAESCrypt.SharpAESCrypt(password, input, SharpAESCrypt.OperationMode.Decrypt);
long fileLength = input.Length;
long totalBytes = 0;
int currentBlockSize = 0;
while ((currentBlockSize = aesStream.Read(buffer, 0, buffer.Length)) != 0)
{
totalBytes += currentBlockSize;
percentage = (double)totalBytes * 100.0 / fileLength;
update_progressbar(percentage);
output.Write(buffer, 0, currentBlockSize);
}
input.Close();
}
}catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public void decrypt()
{
// now we use try catch, in the event something bad happens <3
try {
SharpAESCrypt.SharpAESCrypt.Extension_CreatedByIdentifier = "SimpleCrypt";
using (FileStream output = new FileStream(@filename.Replace(".aes", ""), FileMode.OpenOrCreate, FileAccess.ReadWrite))
{
byte[] buffer = new byte[1024 * 4];
Stream input = new FileStream(@filename, FileMode.Open, FileAccess.Read);
SharpAESCrypt.SharpAESCrypt aesStream = new SharpAESCrypt.SharpAESCrypt(password, input, SharpAESCrypt.OperationMode.Decrypt);
long fileLength = input.Length;
long totalBytes = 0;
int currentBlockSize = 0;
while ((currentBlockSize = aesStream.Read(buffer, 0, buffer.Length)) != 0)
{
totalBytes += currentBlockSize;
percentage = (double)totalBytes * 100.0 / fileLength;
update_progressbar(percentage);
output.Write(buffer, 0, currentBlockSize);
}
input.Close();
}
}catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
/// <inheritdoc cref="IAesCryptor"/>
/// <summary>
/// Encrypts the file.
/// </summary>
/// <param name="fileName">Name of the file.</param>
/// <param name="password">The password.</param>
public void EncryptFile(string fileName, string password)
{
var encryptedFile = GetEncryptedFileName(fileName);
DeleteFileIfExists(encryptedFile);
Crypt.Encrypt(password, fileName, encryptedFile);
DeleteFileIfExists(fileName);
}
/// <summary>
/// Decrypts the stream to the output stream
/// </summary>
/// <param name="input">The encrypted stream</param>
/// <returns>The unencrypted stream</returns>
public override Stream Decrypt(Stream input)
{
var cryptoStream = new SharpAESCrypt.SharpAESCrypt(m_key, input, SharpAESCrypt.OperationMode.Decrypt);
if (m_usethreadlevel != 0)
{
cryptoStream.MaxCryptoThreads = m_usethreadlevel;
}
return(cryptoStream);
}
/// <inheritdoc cref="IFileCryptor"/>
/// <summary>
/// Encrypts the file.
/// </summary>
/// <param name="fileName">The file name.</param>
/// <param name="outputFolder">The output folder.</param>
/// <returns>An <see cref="UploadItem"/>.</returns>
/// <seealso cref="IFileCryptor"/>
public UploadItem EncryptFile(string fileName, string outputFolder)
{
CheckFileName(fileName);
var password = this.randomizer.GetRandomPassword();
var newFileName = this.GetNewFileName(fileName, outputFolder);
AESCrypt.Encrypt(password, fileName, newFileName);
var documentationFile = GetDocumentationFileName(fileName, outputFolder);
return(GetNewUploadItem(fileName, documentationFile, newFileName, password));
}
/// <summary>
/// Decrypts the data.
/// </summary>
/// <param name="encryptedData">The encrypted data.</param>
/// <param name="password">The password.</param>
/// <returns>A <see cref="string/> containing the decrypted data.</returns>
private static string DecryptData(byte[] encryptedData, string password)
{
string normalText;
using (var encryptedStream = new MemoryStream(encryptedData))
{
using (var normalStream = new MemoryStream())
{
Crypt.Decrypt(password, encryptedStream, normalStream);
var normalBytes = normalStream.ToArray();
normalText = Encoding.UTF8.GetString(normalBytes);
}
}
return(normalText);
}
public void encrypt()
{
// we do this to handle any errors
try {
SharpAESCrypt.SharpAESCrypt.Extension_CreatedByIdentifier = "SimpleCrypt";
using (FileStream output = new FileStream(@filename + ".aes", FileMode.Create, FileAccess.ReadWrite))
{
SharpAESCrypt.SharpAESCrypt aesStream = new SharpAESCrypt.SharpAESCrypt(password, output, SharpAESCrypt.OperationMode.Encrypt);
// now we set the extension information
byte[] buffer = new byte[1024 * 4];
using (FileStream input = new FileStream(@filename, FileMode.Open, FileAccess.Read))
{
long fileLength = input.Length;
long totalBytes = 0;
int currentBlockSize = 0;
while ((currentBlockSize = input.Read(buffer, 0, buffer.Length)) != 0)
{
totalBytes += currentBlockSize;
percentage = (double)totalBytes * 100.0 / fileLength;
update_progressbar(percentage);
aesStream.Write(buffer, 0, currentBlockSize);
}
aesStream.FlushFinalBlock();
}
}
}catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public void encrypt()
{
// we do this to handle any errors
try {
SharpAESCrypt.SharpAESCrypt.Extension_CreatedByIdentifier = "RuSimpleCrypt";
using (FileStream output = new FileStream(@filename + ".aes", FileMode.Create, FileAccess.ReadWrite))
{
SharpAESCrypt.SharpAESCrypt aesStream = new SharpAESCrypt.SharpAESCrypt(password, output, SharpAESCrypt.OperationMode.Encrypt);
// now we set the extension information
byte[] buffer = new byte[1024 * 4];
using (FileStream input = new FileStream(@filename, FileMode.Open, FileAccess.Read))
{
long fileLength = input.Length;
long totalBytes = 0;
int currentBlockSize = 0;
while ((currentBlockSize = input.Read(buffer, 0, buffer.Length)) != 0)
{
totalBytes += currentBlockSize;
percentage = (double)totalBytes * 100.0 / fileLength;
update_progressbar(percentage);
aesStream.Write(buffer, 0, currentBlockSize);
}
aesStream.FlushFinalBlock();
}
}
}catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
/// <summary>
/// Decrypts the stream to the output stream
/// </summary>
/// <param name="input">The encrypted stream</param>
/// <returns>The unencrypted stream</returns>
public override Stream Decrypt(Stream input)
{
var cryptoStream = new SharpAESCrypt.SharpAESCrypt(m_key, input, SharpAESCrypt.OperationMode.Decrypt);
if (m_usethreadlevel != 0) cryptoStream.MaxCryptoThreads = m_usethreadlevel;
return cryptoStream;
}
