bitOperationBBV192

#include <iostream>

char* encodecode(char* str, char key)
{
    char* start{ str };

    while (*str)
    {
        *str++ ^= key;
    }
    return start;
}

int main()
{
    uint8_t byteA{ 0b11010101 };
    uint8_t byteB{ 0b10011001 };
    uint8_t res{ 0b01001100 };

    char str[50]{ "Hello, super secret world! :[]" };
    char key{ 'Q' };
    std::cout << str << '\n';
    std::cout << encodecode(str, key) << '\n';
    std::cout << encodecode(str, 'X') << '\n';
    std::cout << encodecode(str, 'X') << '\n';
    std::cout << encodecode(str, key) << '\n';

    //a = a | b->a |= b a = a & b->a &= b a = a ^ b->a ^= b;
    //std::cout << +res << '\n';
    // 0b11010101
    // 0b10011001

    // 0b01001100
    // 0b10011001

    // 0b11010101
    // 0b11010101

    //res = byteA ^ byteB;

    //std::cout << +res << '\n';
    // std::cout << (res == (byteA ^ byteB) ) << '\n';

};