cloud key generation technique based on cyclic key shift technique using matlab software

Hill2密码破译。适用于明文为拼音的Hill2密码类型。 运行软件平台MATLAB。使用时，只需输入截获的密文，运行程序，即可破译。(Hill2 password decoding. Hill2 cipher type suitable for plaintext pinyin. Running software platform MATLAB. When you use it, you only need to input the intercepted ciphertext and r

HIll2密码求密钥。适用于已知明文攻击。 可求加密密钥和解密密钥。 使用时，只需输入对应的两组明文与密文对，即可求得密钥。 运行软件：MATLAB。(HIll2 cipher for keys. It is applicable to known plaintext attacks. Encryption keys and decryption keys can be obtained. When using, only the corresponding two groups of