Hill密码加密解密时矩阵的求法

The Solution of Matrix of Hill Cipher in Encryption and Decryption

在计算机网络中,为了保证数据的安全,常常要对数据进行加密和解密。文章运用数学知识和Matlab语言,介绍了Hill密码加密时如何给出密钥矩阵以及解密时如何求密钥矩阵的逆,从而实现Hill密码快速加密和解密。

In order to ensure data security in the computer network, people are likely to encrypt and decrypt data. This paper introduces the solution of the key matrix of Hill Cipher in encryption and the solution of inversion of the key matrix in decryption by mathematical knowledge and the Madab language to achieve the purpose quickly.