lab 1: hide message in spaces between container text. if in binary form we have "1" then there will be a double space. if "0" - then a single space.
lab 2: hide message by changing ukrainian letters on english. we have a container with ukrainian text. a message, that we want to hide will be on english language. so we have two sets of Ukrainian letters that are also found in English. Encoding algorithm: if in our text we meet this letter => we change it to english letter.
lab 3: hide message to picture(*png) by LSB(least significant bit) method.