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It was thus said that the Great Martin once stated:
> In continuation of Dirk's Laurie proposal for standard interface for
> common things...
> How do you see generic interface for symmetric encryption/decryption?
> Usually you can process input stream by parts (in case you wish to
> encrypt 50GiB file which unlikely fit into string). Do you prefer
> some functions encrypt()/decrypt() which returns output and inner
> state, or object that holds inner state itself?

  I prefer an object that holds inner state.  Tht way, I can have several
streams of input/output being encrypted/decrypted (say for a network