作者: Satoshi Obana
DOI:
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摘要: There is disclosed a system for identifying falsified secret information shares included in k used to recover according (k,n)-threshold sharing scheme, and producing of reduced size. A shared generating apparatus generates cheater Ai (i=1, 2, . , n) using n Vi generated the scheme random polynomials. recovering detects cheated arbitrary information, recovers from if it no shares.