发明名称 |
SECRET SHARING SYSTEM, SECRET SHARING APPARATUS, SECRET SHARING METHOD, SECRET SORTING METHOD, SECRET SHARING PROGRAM |
摘要 |
A secret sharing system according to the present invention includes N secret sharing apparatuses. The secret sharing system according to the present invention includes fragment replacement means and reshare means. The fragment replacement means selects a number, smaller than N, of secret sharing apparatuses, generates a bijection pi of {1, . . . , K}->{1, . . . , K}among the selected secret sharing apparatuses and designates a fragment api(k)i recorded in a selected secret sharing apparatus as a k-th fragment (i represents an identification number that indicates a selected secret sharing apparatus). The reshare means performs reshare of fragments of a numeric value used as replacements by the fragment replacement means to determine new fragments.
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申请公布号 |
US2013182836(A1) |
申请公布日期 |
2013.07.18 |
申请号 |
US201113876110 |
申请日期 |
2011.10.03 |
申请人 |
HAMADA KOKI;IKARASHI DAI;CHIDA KOJI;TAKAHASHI KATSUMI;NIPPON TELEGRAPH AND TELEPHONE CORPORATION |
发明人 |
HAMADA KOKI;IKARASHI DAI;CHIDA KOJI;TAKAHASHI KATSUMI |
分类号 |
H04L9/28 |
主分类号 |
H04L9/28 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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