密码,一个系统安全的永恒话题。加密、解密,亘古不变的两个宿敌。实际上,自从人类有了沟通信息的保密需求后,加密和解密就诞生了——尤其军队出现之后,所谓“知己知彼,百战不殆”,如何加密自己的情报,不至被敌人破译,以 Password, a system security eternal topic. Encrypt, decrypt, two eternal enemies. In fact, encryption and decryption have been born since humans had the need to keep information confidential - especially since the advent of the military, the so-called “Know Your Own, You Know Yourself”, how to encrypt your intelligence, and not be deciphered by the enemy to