基于密码加密的暴力破解法。猜测密码长度，3-6位，并逐一尝试破解，找出正确密码。-Brute-force Search Attack on the Password-based Encryption



The program is divided into three parts: encryption, decryption and brute-force attack, which are the three methods in my class. In the brute-force attack method, use the given cipher text and the length of the password to try all possible passwords to encrypt the predefined plaintext and find the correct password.