public int TransformBlock
(
byte[] bufIn,
int nOfsIn,
int nCount,
byte[] bufOut,
int nOfsOut
)
{
// NOTE: we assume that the caller understands the meaning of
// this method and that only even byte boundaries are
// given, thus we do not cache any data left internally
int nResult = 0;
if (null != m_bfc)
{
if (m_blIsEncryptor)
{
nResult = m_bfc.Encrypt(bufIn, bufOut, nOfsIn, nOfsOut, nCount);
}
else
{
nResult = m_bfc.Decrypt(bufIn, bufOut, nOfsIn, nOfsOut, nCount);
}
}
else if (null != m_bf)
{
if (m_blIsEncryptor)
{
nResult = m_bf.Encrypt(bufIn, bufOut, nOfsIn, nOfsOut, nCount);
}
else
{
nResult = m_bf.Decrypt(bufIn, bufOut, nOfsIn, nOfsOut, nCount);
}
}
else
{
nResult = 0;
}
return(nResult * Blowfish.BLOCKSIZE);
}