public void Close()
{
if (cOut != null)
{
if (digestOut != null)
{
BcpgOutputStream bcpgOutputStream = new BcpgOutputStream(digestOut, PacketTag.ModificationDetectionCode, 20L);
bcpgOutputStream.Flush();
digestOut.Flush();
byte[] array = DigestUtilities.DoFinal(digestOut.WriteDigest());
cOut.Write(array, 0, array.Length);
}
cOut.Flush();
try
{
pOut.Write(c.DoFinal());
pOut.Finish();
}
catch (Exception ex)
{
throw new IOException(ex.Message, ex);
}
cOut = null;
pOut = null;
}
}
/// <summary>
/// <p>
/// Close off the encrypted object - this is equivalent to calling Close() on the stream
/// returned by the Open() method.
/// </p>
/// <p>
/// <b>Note</b>: This does not close the underlying output stream, only the stream on top of
/// it created by the Open() method.
/// </p>
/// </summary>
public void Close()
{
if (cOut != null)
{
// TODO Should this all be under the try/catch block?
if (digestOut != null)
{
//
// hand code a mod detection packet
//
BcpgOutputStream bOut = new BcpgOutputStream(
digestOut, PacketTag.ModificationDetectionCode, 20);
bOut.Flush();
digestOut.Flush();
// TODO
byte[] dig = DigestUtilities.DoFinal(digestOut.WriteDigest());
cOut.Write(dig, 0, dig.Length);
}
cOut.Flush();
try
{
pOut.Write(c.DoFinal());
pOut.Finish();
}
catch (Exception e)
{
throw new IOException(e.Message, e);
}
cOut = null;
pOut = null;
}
}
private void doRunTest(
string name,
int ivLength)
{
string lCode = "ABCDEFGHIJKLMNOPQRSTUVWXY0123456789";
string baseName = name;
if (name.IndexOf('/') >= 0)
{
baseName = name.Substring(0, name.IndexOf('/'));
}
CipherKeyGenerator kGen = GeneratorUtilities.GetKeyGenerator(baseName);
IBufferedCipher inCipher = CipherUtilities.GetCipher(name);
IBufferedCipher outCipher = CipherUtilities.GetCipher(name);
KeyParameter key = ParameterUtilities.CreateKeyParameter(baseName, kGen.GenerateKey());
MemoryStream bIn = new MemoryStream(Encoding.ASCII.GetBytes(lCode), false);
MemoryStream bOut = new MemoryStream();
// In the Java build, this IV would be implicitly created and then retrieved with getIV()
ICipherParameters cipherParams = key;
if (ivLength > 0)
{
cipherParams = new ParametersWithIV(cipherParams, new byte[ivLength]);
}
inCipher.Init(true, cipherParams);
// TODO Should we provide GetIV() method on IBufferedCipher?
//if (inCipher.getIV() != null)
//{
// outCipher.Init(false, new ParametersWithIV(key, inCipher.getIV()));
//}
//else
//{
// outCipher.Init(false, key);
//}
outCipher.Init(false, cipherParams);
CipherStream cIn = new CipherStream(bIn, inCipher, null);
CipherStream cOut = new CipherStream(bOut, null, outCipher);
int c;
while ((c = cIn.ReadByte()) >= 0)
{
cOut.WriteByte((byte)c);
}
cIn.Close();
cOut.Flush();
cOut.Close();
byte[] bs = bOut.ToArray();
string res = Encoding.ASCII.GetString(bs, 0, bs.Length);
if (!res.Equals(lCode))
{
Fail("Failed - decrypted data doesn't match.");
}
}
