protected virtual CryptoStream CreateEncryptingStream(
Stream encryptedStream)
{
if (encryptedStream == null)
{
throw new ArgumentNullException(nameof(encryptedStream));
}
if (!encryptedStream.CanWrite)
{
throw new ArgumentException(Resources.StreamNotWritable, nameof(encryptedStream));
}
return(new CryptoStream(
encryptedStream,
Symmetric.CreateEncryptor(),
CryptoStreamMode.Write));
}