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Are you doing this as some kind of security challenge? <br />
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It is unclear what you are asking for exactly. Do you want to decipher something encoded with DES and then VIGINERE? or do you want to encode/encrypt DES first then VIGENERE?<br />
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Ultimately: What are you trying to achieve?
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In fact, I suggest you look at stronger cipher such AES instead of the mentioned. Share with us more on the background of this query as advised by experts.
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And I would also agree with btan that you should consider AES if this is for a production environment. <br />
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I suspect you are doing this as part of a 'security challenge', or maybe as suggested above homework/an assignment?
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@BISSANE KEHDY<br />
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If you need work done for you, the best place for that is in the EE Gigs zone. &nbsp;You can pay experts to do work for you. &nbsp;The question zone is for you to get help with a problem or answer to a question.
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Mr Chris . yes that's what I want
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Great, did my post with the GitHub link help you figure out how to do it or do you need more information?
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User indicated my post assisted them, I felt Dr Klahn's post also warranted an assist.
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NEED THE CODE SOURCE OF DES AND VIGINERE CIPHER ON SAME SOFTWARE
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NEED THE CODE SOURCE OF DES AND VIGINERE CIPHER ON SAME SOFTWARE

DES AND VIGINERE CIPHER ON SAME SOFTWARE

Software is any set of instructions that directs a computer to perform specific tasks or operations. Computer software consists of programs, libraries and related non-executable data (such as documentation). Computer software is non-tangible, contrasted with computer hardware, which is the physical component of computers. Software written in a machine language is known as "machine code". However, in practice, software is usually written in high-level programming languages than machine language. High-level languages are translated into machine language using a compiler or interpreter or a combination of the two.

Software

C++ is an intermediate-level general-purpose programming language, not to be confused with C or C#. It was developed as a set of extensions to the C programming language to improve type-safety and add support for automatic resource management, object-orientation, generic programming, and exception handling, among other features.