public Task RunAsync(Stream input, Stream output, byte[] password, bool forward, IProgress <double> progress = null, CancellationToken cancellationToken = default)
{
using SymmetricAlgorithm alg = FromEncryptionAlgorithm(Algorithm);
Rfc2898DeriveBytes rdb = new Rfc2898DeriveBytes(password, Salt.GetBytes <UTF8Encoding>(), Iterations);
byte[] key = rdb.GetBytes(KeySize / 8);
byte[] iv = rdb.GetBytes(BlockSize / 8);
alg.Mode = CipherMode;
alg.Padding = PaddingMode;
alg.Key = key;
alg.IV = iv;
long workedOn = 0;
ICryptoTransform trans = forward ? alg.CreateEncryptor() : alg.CreateDecryptor();
using CryptoStream csInput = new CryptoStream(input, trans, CryptoStreamMode.Read);
//TODO: As soon as the projects targets a higher .NET Version, get rid of this dirty hack
try
{
var prop = csInput
.GetType()
.GetField("_leaveOpen", System.Reflection.BindingFlags.NonPublic
| System.Reflection.BindingFlags.Instance);
prop.SetValue(csInput, true);
}
catch (NullReferenceException)
{
//do nothing
//Unity Mono throws a NullReferenceException on this method
}
while (true)
{
if (cancellationToken.IsCancellationRequested)
{
cancellationToken.ThrowIfCancellationRequested();
}
byte[] buffer = new byte[8];
int read = csInput.Read(buffer, 0, buffer.Length);
output.Write(buffer, 0, read);
workedOn += read;
if (progress != null && input.CanSeek)
{
progress.Report(workedOn / (double)input.Length);
}
if (read == 0)
{
break;
}
}
return(Task.CompletedTask);
}
public void Run(Stream input, Stream output, byte[] password, bool forward)
{
using SymmetricAlgorithm alg = FromEncryptionAlgorithm(Algorithm);
Rfc2898DeriveBytes rdb = new Rfc2898DeriveBytes(password, Salt.GetBytes <UTF8Encoding>(), Iterations);
byte[] key = rdb.GetBytes(KeySize / 8);
byte[] iv = rdb.GetBytes(BlockSize / 8);
alg.Mode = CipherMode;
alg.Padding = PaddingMode;
alg.Key = key;
alg.IV = iv;
ICryptoTransform trans = forward ? alg.CreateEncryptor() : alg.CreateDecryptor();
using CryptoStream csInput = new CryptoStream(input, trans, CryptoStreamMode.Read);
//TODO: As soon as the projects targets a higher .NET Version, get rid of this dirty hack
var prop = csInput
.GetType()
.GetField("_leaveOpen", System.Reflection.BindingFlags.NonPublic
| System.Reflection.BindingFlags.Instance);
while (true)
{
byte[] buffer = new byte[8];
int read = csInput.Read(buffer, 0, buffer.Length);
if (read == 0)
{
break;
}
output.Write(buffer, 0, read);
}
}