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引用次数: 8
摘要
S. Akl和P. Taylor (Proc. Crypto-82, P. 237-250, 1982)使用密码学方法提出了多层密钥分发问题的优雅解决方案。在本工作中，考虑了与Akl-Taylor格式相关的两个问题。首先，提出了一种时间-记忆权衡技术来克服Akl-Taylor方案所需要的超大内存空间的问题。其次，提出了一种扩展方案，将Akl-Taylor方案中的插入/删除问题尽可能地定位在一个小区域内。
An extended cryptographic key generation scheme for multilevel data security
S. Akl and P. Taylor (Proc. Crypto-82, p.237-250, 1982) proposed an elegant solution to the multilevel key distribution problem, using a cryptographic approach. In the present work, two problems associated with the Akl-Taylor scheme are considered. First, a time-memory tradeoff technique to overcome the problem of the extremely large memory space required by the Akl-Taylor scheme is proposed. Second, an extended scheme that localizes within a small region as much as possible the inserting/deleting problem associated with the Akl-Taylor scheme is proposed.<>
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