c++ encrypt / decrypt

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How can i make c++ program to input some plain text and implement a type of encryption algorithms input the parameters of the Implemented algorithm such as the Key, Length of the key etc.display the encrypted text (cipher text)and input some encrypted text (cipher text)to decrypt the text and input the parameters of the implemented algorithm

Posted 29-Nov-13 0:20am

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Updated 29-Nov-13 0:26am

CPallini

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OriginalGriff · Answer 1 · 2013-11-29T00:28:00

The same way you do any project: define exactly what you want to do (input method, encryption algorithm, output method and so on) and then design you code around that.
Then implement the design, test and loop back to either the design or implementation stages until it passes.

But we will not do it for you.
It is your homework, after all, not ours.

CPallini · Answer 2 · 2013-11-29T00:31:00

Solution 2

You have several options (hardest to easiest):

Invent and code the algorithm.
Implement an existing algorithm.
Get the source code of an existing implementation (there are several available), and use it according to your needs.
Use an existing library providing encryption/decryption facilities.

The choice is up to you (and Google is your friend).

Posted 29-Nov-13 0:31am

CPallini

v2

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Stefan_Lang 29-Nov-13 8:32am

"and Google is your friend"
... the kind of friend who checks out your wifes underwear when you're not looking

Just saying ;-p

c++ encrypt / decrypt

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