Ghostryde.java has a lot of duplicate code with RydeEncoder and the future
RydeDecoder - the encryption/decryption, compression/decompression, file
encoding/decoding. The "de-XXX" part of each of these pairs needs to read a PGP
object from a stream using PGPObjectFactory.
Since we want to move the duplicate code into their own files, we will need to
move the "read PGP objects from stream" functions to a common utility class.
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guybenandjianglai
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