| MD5加密逆向破解及安全性改进 |
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| 引用本文： | 王雄,朱志祥,许辉辉.MD5加密逆向破解及安全性改进[J].西安文理学院学报,2014(1):101-104. |
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| 作者姓名： | 王雄 朱志祥 许辉辉 |
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| 作者单位： | 西安邮电大学物联网与两化融合研究院,西安710061 |
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| 基金项目： | 工业和信息化部通信软科学研究计划基金资助项目（2012R38） |
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| 摘 要： | 针对消息摘要算法第五版(Message-Digest Algorithm 5,MD5)不可逆的特性,通过组建Oracle明文数据库、调用MD5函数,建立明文与MD5码之间的一一对应关系,实现了对MD5加密的逆向破解.从应对碰撞攻击和反向查询两方面,总结多种改进措施,提高了MD5加密算法在实际应用中的安全性.
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| 关 键 词： | 消息摘要算法第五版(MD) 逆向破解 安全性改进 |
Reverse Crack of MD5 Encryption and Its Safety Improvement |
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| WANG Xiong,ZHU Zhi-xiang,XU Hui-hui.Reverse Crack of MD5 Encryption and Its Safety Improvement[J].Journal of Xi‘an University of Arts & Science:Natural Science Edition,2014(1):101-104. |
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| Authors: | WANG Xiong ZHU Zhi-xiang XU Hui-hui |
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| Institution: | (Institute of IOT and IT- based Industrialization, Xi＇an University of Posts and Telecommunications, Xi＇an 710061,China) |
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| Abstract: | In our study, in view of the irreversibility of Message - Digest Algorithms 5 （ MD5 ） , a one -to -one corresponding relationship between the plaintext and MD5 code is established to implement the reverse crack of the MD5 encryption based on the formation of Oracle plaintext database and the calling of MD5 algorithm. Various improvement measures are discussed in terms of collision attack and reverse crack. The security of the MD5 encryption algorithm in practical application is improved. |
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| Keywords: | Message Digest Algorithm 5 （ MD5 ） reverse crack safety improvement |
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