论文部分内容阅读
分组密码是密码学中使用最为广泛的工具之一,而分组密码的工作模式是指使用分组密码对任意长度的消息进行加解密、认证等的方案。美国国家标准与技术研究院(NIST)积极致力于分组密码工作模式的研究,十余年来陆续发布了大量的工作模式。文中集中讨论了NIST近几年发布的几种新型工作模式,包括加密认证模式GCM、磁盘加密模式XTS、密钥封装模式KeyWrap,并且对这几种新型工作模式的快速实现进行了深入研究。
Block cipher is one of the most widely used tools in cryptography. The working mode of block cipher refers to the scheme of encrypting and decrypting any length of messages by using block cipher and authentication. The National Institute of Standards and Technology (NIST) is actively working on the study of the working mode of block ciphers. Over the past decade, a large number of working models have been released. This paper focuses on several new work modes released by NIST in recent years, including GCM, XTS and KeyWrap, and further studies on the rapid implementation of these new work modes.