public static void Zip(FileInfo file, byte[] key, string outputFolder, PercentChangedEventHandler percentChangedCallback)
{
if (string.IsNullOrEmpty(outputFolder))
outputFolder = file.DirectoryName;
FileStream inputStream = File.OpenRead(file.FullName);
FileStream outputStream = File.OpenWrite(outputFolder + "\\" + file.Name + CRYPTOZIP_EXTENSION);
Aes aes = new AesManaged();
byte[] keyBytes = key;
byte[] ivBytes = Encoding.UTF8.GetBytes(IV_STRING);
using (CryptoStream cryptoStream = new CryptoStream(outputStream, aes.CreateEncryptor(keyBytes, ivBytes), CryptoStreamMode.Write))
{
using (ZipOutputStream zipOutputStream = new ZipOutputStream(cryptoStream))
{
zipOutputStream.SetLevel(0);
zipOutputStream.UseZip64 = UseZip64.On;
ZipEntry zipEntry = new ZipEntry(file.Name);
zipEntry.DateTime = DateTime.Now;
zipOutputStream.PutNextEntry(zipEntry);
int read = 0;
byte[] buffer = new byte[4096];
double totalRead = 0;
double lastPercent = 0;
do
{
read = inputStream.Read(buffer, 0, buffer.Length);
zipOutputStream.Write(buffer, 0, read);
totalRead += read;
double percent = Math.Floor((totalRead / inputStream.Length) * 100);
if (percent > lastPercent)
{
lastPercent = percent;
if (percentChangedCallback != null)
percentChangedCallback(new PercentChangedEventArgs(percent));
}
} while (read == buffer.Length);
zipOutputStream.Finish();
zipOutputStream.Flush();
}
}
inputStream.Close();
outputStream.Close();
}
public static void Zip(FileInfo file, byte[] key, PercentChangedEventHandler percentChangedCallback)
{
Zip(file, key, file.DirectoryName, percentChangedCallback);
}