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Hi, it's my first post to the list, and here is my
CryptoPP-newbie first question:
Could someone please clue me in to the syntax for
changing the feedback size for CFB? I was hoping that something along the
lines of the following would work:
--------------------------------------
...
CFB_Mode<DES>::Decryption
cfbDecryption(key, DES::DEFAULT_KEYLENGTH, iv);
cfbDecryption.SetFeedbackSize(8);
...
--------------------------------------
Unfortunately it does not because SetFeedbackSize()
can't alter protected data member feedback_m of class CFB_ModePolicy, the class of which it is a member. But I know that
there is some way to change the feedback size, because I've seen other posters
allude to doing so in the archives.
Anyway, any help figuring out what does work is
most appreciated.
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- Changing the feedback size for CFB Matthew J. Emerson
