C++ help needed urgently today

I'm computer engineering TA with 12+ years experience ; experienced in cryptography - substitution - block ciphers and stream ciphers - DES - AES - C/C++ Implementation of cryptographic algorithms - G Fields - I read the attached document and could help you perfectly answering the problems and implementing well commented C++ Code of required susbsitiution cipher

I have worked with cyphers in the past. Can do your project within a day. Thank you ................

Hi! I read the project, I like it a lot. I have been doing algorithms and data structures since my high school and I have working knowledge of C++ and STL. I can do this in couple of hours and I can start immediately, just let me know if you are interested or if you have any questions. Looking forward to hear from you! :)

will do it in a day

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Hello Sir/Mam, i have 1.8 years of expiration in C#, c++ and i also work in .NET MVC framework. i also have good expiration in jquery framework like AngulerJs and vue js.

Hi, what is your textbook name? My master thesis was in the cryptography field, it was titled "Novel Hybrid Cryptosystem Based on Quasi Group, Chaotic and ElGamal Cryptography‏" it has two version block and stream. I'm proficient in cryptography and I have more 10 years experience in programming.