bitOperationsSBD

#include <iostream>

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

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

    return start;
}

int main()
{
    uint8_t ip  { 0b10110101 }; // /4 net = 0b10110000 host = 0b00000101
    uint8_t ip1 { 0b10110011 }; // /4
    uint8_t ip2 { 0b11010001 }; // /4
    uint8_t mask{ 0b11110000 };
    uint8_t res{ 0b00000101 };

    uint8_t net{};
    uint8_t host{};
    // 0b11110000
    // 0b00001111

    // 0b10110101
    // 0b00001111
    // 0b00000101


    //net = ip & mask;
    //host = ip & (~mask);
    //std::cout << (host == res) << '\n';

    std::cout << "IP1: " << ((ip & mask) == (ip1 & mask)) << '\n';
    std::cout << "IP2: " << ((ip & mask) == (ip2 & mask)) << '\n';

    return 0;

    char str[30]{ "Hello, super secret world!" };
    char key{ 'Q' };
    std::cout << str << '\n';
    std::cout << encodecode(str, key) << '\n';
    std::cout << encodecode(str, 'R') << '\n';
    std::cout << encodecode(str, 'R') << '\n';
    std::cout << encodecode(str, key) << '\n';

    return 0;

    uint8_t byteA{ 0b01001001 };
    uint8_t byteB{ 0b10101101 };

    // 0b01001001
    // 0b10101101

    // 0b11100100
    // 0b10101101

    // 0b01001001

    //a = a | b -> a |= b
    //a = a & b -> a &= b
    //a = a ^ b -> a ^= b
    //a = a >> b -> a >>=b
    //a = a << b -> a <<=b
    //std::cout << +byte << '\n';
    //res = byteA & byteB;
    //std::cout << +byte << '\n';
    std::cout << (byteA ^ byteB) << '\n';
    std::cout << ((byteA ^ byteB) == res) << '\n';


};