Strongly ideal secret sharing schemes

被引:3
|
作者
Phillips, Steven J. [1 ]
Phillips, Nicholas C. [1 ]
机构
[1] Computer Science Dep, Stanford, United States
关键词
Access structures - Ideal schemes - Perfect security - Secret sharing;
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学科分类号
摘要
We define strongly ideal secret sharing schemes to be ideal secret sharing schemes in which certain natural requirements are placed on the decoder. We prove an information-theoretic characterization of perfect schemes, and use it to determine which access structures can be encoded by strongly ideal schemes. We also discuss a hierarchy of secret sharing schemes that are more powerful than strongly ideal schemes.
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页码:185 / 191
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