论文部分内容阅读
信息在网络中传输,有没有被非法地篡改,如进行添加、删除和替换等等,所以需要对敏感数据进行完整性认证,以保证网络中传输的信息的安全。另外一方面,用户在本地的敏感数据有没有受到病毒或黑客的破坏,也需要经常进行认证,以保证信息安全。本文主要介绍了加密、消息认证、数字签名等的基本概念,本文重点是消息的实现部分。
Information is transmitted in the network, has not been illegally tampered with, such as add, delete and replace, etc., so the need for integrity of the sensitive data authentication, in order to ensure the safety of the information transmitted in the network. On the other hand, users in the local sensitive data have not been damaged by viruses or hackers, but also need to be certified frequently, in order to ensure information security. This paper introduces the basic concepts of encryption, message authentication, digital signatures, etc. This article focuses on the realization part of the message.