| CBCR:采用循环移位的CBC MAC |
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| 引用本文： | 张立廷,吴文玲,张蕾,王鹏. CBCR:采用循环移位的CBC MAC[J]. 中国科学:信息科学, 2011, 0(6): 694-703 |
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| 作者姓名： | 张立廷 吴文玲 张蕾 王鹏 |
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| 作者单位： | 中国科学院软件研究所信息安全国家重点实验室;中国科学院研究生院; |
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| 基金项目： | 国家自然科学基金(批准号:60873259,60903219); 国家高技术研究发展计划(批准号:2007AA01Z470); 国家重点基础研究发展计划(批准号:2004CB318004); 中国科学院知识创新工程重大项目资助 |
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| 摘 要： | 在现代通信中,消息鉴别码广泛应用于数据的完整性保护和起源认证.文中提出一个基于分组密码的消息鉴别码算法CBCR,它在认证任意长度的消息时都具备可证明安全的保障.CBCR在密码分组链接模式的末端采用循环移位操作,并且对所有消息都加入一个定长的前缀,后者使得它在现实应用中具备一定的灵活性.比如说,这些定长的前缀可以是一些安...
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| 关 键 词： | 消息鉴别码 密码分组链接模式 分组密码 可证明安全 |
CBCR: CBC MAC with rotating transformations |
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| ZHANG LiTing,,WU WenLing,ZHANG Lei,WANG Peng State Key Laboratory of Information Security. CBCR: CBC MAC with rotating transformations[J]. Scientia Sinica Informationis, 2011, 0(6): 694-703 |
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| Authors: | ZHANG LiTing WU WenLing ZHANG Lei WANG Peng State Key Laboratory of Information Security |
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| Affiliation: | ZHANG LiTing1,2,WU WenLing1,ZHANG Lei1,WANG Peng2 1State Key Laboratory of Information Security,Institute of Software,Chinese Academy of Sciences,Beijing 100190,China,2 Graduate University of Chinese Academy of Sciences,Beijing 100049 |
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| Abstract: | Message authentication codes (MACs) are widely used to protect data integrity and data origin authentication in communications. In this paper, we propose a new block-cipher-based MAC algorithm, CBCR, with provable security for arbitrary-length messages. CBCR adopts rotating operations in the end of cipher-block-chaining structure, and it appends fixed-length prefixes to all messages, which implies flexible usages in practice. For example, these fixed-length prefixes can be filled with some security paramete... |
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| Keywords: | message authentication code cipher block chaining block cipher provable security |
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