替换01加密

FunEnc.py

class FunEnc:
    def __init__(self):
        # self.__zero = 'O'
        # self.__one = '0'
        # self.__sep = '1'
        self.__one = '1'
        self.__zero = '0'
        self.__sep = ' '
        
        
    def encrypt(self, s):
        result = []
        for ch in s:
            word = ""
            # n = ord(ch)
            n = int.from_bytes(ch.encode("utf-8"), 'big')
            while n > 0:
                word += self.__zero if (n & 1) == 0 else self.__one
                n >>= 1
            result.append(word[::-1])
        return self.__sep.join(result)

    def decrypt(self, s):
        parts = s.split(self.__sep)
        result = []
        for part in parts:
            n = 0
            for ch in part:
                n <<= 1
                if ch == self.__one:
                    n |= 1
            # result.append(chr(n))
            result.append(n.to_bytes(3, byteorder="big").decode("utf-8"))
        return "".join(result)