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安全散列算法的应用研究与实现 被引量:4

Application research and implementation of secure hash algorithm
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摘要 目前互联网环境下,信息的安全性不言而喻,而MD5散列算法在互联网中的应用十分广泛,为人熟知。这两种算法通过了多年的发展,自身安全性也是越来越高。但随着计算机的快速发展,相应的安全性却并未有什么变化。相应的碰撞和破解方法也在慢慢出现。文中详细介绍了MD5的算法原理,通过算法原理和文献查询,分析MD5在安全性和效率上的结论。从实现原理上分析两种算法的相同和不同点。此外,为展现两种算法的实际应用场景,具体应用细节等,本文会实现一个互联网中常见的一种应用,即时通讯软件Cmd Chat。 At present,the Internet environment,the security of information is self-evident,and MD5 other hash algorithm in the Internet is widely used,well known. These two kinds of algorithms through years of development,their own safety is getting higher and higher. But with the rapid development of the computer,the corresponding security has not changed. The corresponding collision,crack method,also slowly appeared in front. In this paper,the principle of MD5 is introduced in detail,and the differences of safety and efficiency of MD5 and are discussed by the principle of algorithm and literature. The same and different points of the two algorithms are analyzed from the realization principle. In addition,in order to show the practical application of the two algorithms,the specific application details,this paper will achieve a common application of the Internet,instant messaging software Cmd Chat.
作者 王孟钊 WANG Meng-zhao(Heilongjiang Social Credit Office,Harbin 150090,China)
出处 《信息技术》 2018年第7期159-161,共3页 Information Technology
关键词 散列算法 MD5 数据摘要 hash algorithm MD5 message abstract
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