🚀 go-pugleaf

Bryan G. Olson; CMSC (G) (olson@umbc.edu) wrote:
|> Ibrahim H Abed (ihabed@uncc.edu) wrote:
|> : I was wondering does encryption with C++ offer some advantages/dis-
|> : advantages over C?  Would the object-oriented approach to programming
|> : in C++ help in some of the complicated operations involved in encryption
|> : methods such as DES and other complicated schemes?

|> The actual bit-grinding encryption/decryption algorithms would be best
|> implemented the same way in C++ as in C.  The advantages of using C++
|> will be in the structuring of an encryption library.

|> Good C++ classes for encryption and decryption hide a lot of the
|> mundane data-handling work from the user.  The same interface can
|> support many interchangeable algorithms.  The class can keep track of
|> keys, chained values and partially computed blocks without the user
|> having to constantly pass these in and out.  The class may handle
|> buffering internally and provide a state-driven interface, so when
|> encrypting the user can pass in plaintext strings of any size as
|> they're available and read out ciphertext as it's needed.

Another interesting aspect: the encryption/decryption can take place in
a streambuf, transparently to the rest of the program (which reads and
writes the data as ususal).
-- 
James Kanze           (+33) 88 14 49 00          email: kanze@gabi-soft.fr
GABI Software, Sarl., 8 rue des Francs Bourgeois, 67000 Strasbourg, France
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