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A simple Cryptography Engine

$30-5000 USD

Cerrado
Publicado hace más de 15 años

$30-5000 USD

Pagado a la entrega
Objectives: 1. user interface design and implemtation 2. practice using strings and arrays 3. practice using file manupilations **need to write a single program to preform the following cryptography procedures at the user's choice: 1. shift cipher encoder**-- each character of the string is shifted to the right by a fixed number of characters specified as "Key" between 0 - 10. **2. shift cipher decoder**-- each character of the string is shifted to the left by a fixed valued between 0-10. **3. shift cipher encoder with word reverse**- each string is reversed word by word first and then the reversed string is encoded by shift cipher. **4. shift cipher decoder** **with word reverse**-- each string is decoded by shift cipher decoder and then each string is reversed word by word. **5. the code breaker**--the code breaker procedure tries all the possible key values and matches the words in the corresponding plain text with the words in a dictionary "[login to view URL]". The key that produces the maximal number of matches will be considered as the key and will be used to genarate the plain text file output. **Needs to have a menu of the top 5 and a sixth one as "Quit". All the programs have to be in simple bigginers C language Need source codes for all 5 as seperate programs.** ## Deliverables 1) Complete and fully-functional working program(s) in executable form as well as complete source code of all work done. 2) Deliverables must be in ready-to-run condition, as follows (depending on the nature of the deliverables): a) For web sites or other server-side deliverables intended to only ever exist in one place in the Buyer's environment--Deliverables must be installed by the Seller in ready-to-run condition in the Buyer's environment. b) For all others including desktop software or software the buyer intends to distribute: A software installation package that will install the software in ready-to-run condition on the platform(s) specified in this bid request. 3) All deliverables will be considered "work made for hire" under U.S. Copyright law. Buyer will receive exclusive and complete copyrights to all work purchased. (No GPL, GNU, 3rd party components, etc. unless all copyright ramifications are explained AND AGREED TO by the buyer on the site per the coder's Seller Legal Agreement). ## Platform Microsoft Visual C++ 2005 express edition
ID del proyecto: 3454677

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2 propuestas
Proyecto remoto
Activo hace 15 años

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2 freelancers están ofertando un promedio de $187 USD por este trabajo
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$63,75 USD en 2 días
4,5 (7 comentarios)
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$310,25 USD en 2 días
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Bandera de UNITED STATES
United States
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Miembro desde dic 8, 2008

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