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hallo master .. I have a problem, how to make encryption and decryption using the Vigenere cipher in vb.net.? I hope someone can help me the problem. thank's before ..

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I did some transformation of overcomplicated Rosetta code version

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can someone tell me how this program works? I'm trying to learning C++ by reading some examples, and this one is one of them. [CODE]#include <iostream> #include <string> using namespace std; class Vigenere { public: string key; Vigenere(string key) { for(int i = 0; i < key.size(); ++i) { if(key[i] >= 'A' && key[i] <= 'Z') this->key += key[i]; else if(key[i] >= 'a' && key[i] <= 'z') this->key += key[i] + 'A' - 'a'; } } string encrypt(string text) { string out; for(int i = 0, j = 0; i < text.length(); ++i) { char c = text[i]; if(c >= …

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Hi, I'm brand new to Python and am completely clueless in this assignment. This is the 3rd assignment, but the first without hints on how to import, etc.. The objective of this assignment was to decode a file we are supposed to use the python hw.py < code.txt command with. This confused me right from the start, I understand that it uses the file as the input, but I dont understand how to do that code sided. We are also supposed to be shifting using letter frequencies, which are in percentages, also have not yet been discussed in class. Any …

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The End.