{"id":151052,"date":"1993-01-01T00:00:00","date_gmt":"1993-01-01T00:00:00","guid":{"rendered":"https:\/\/www.microsoft.com\/en-us\/research\/msr-research-item\/one-way-accumulators-a-decentralized-alternative-to-digital-signatures\/"},"modified":"2020-03-23T18:50:15","modified_gmt":"2020-03-24T01:50:15","slug":"one-way-accumulators-a-decentralized-alternative-to-digital-signatures","status":"publish","type":"msr-research-item","link":"https:\/\/www.microsoft.com\/en-us\/research\/publication\/one-way-accumulators-a-decentralized-alternative-to-digital-signatures\/","title":{"rendered":"One-Way Accumulators: A Decentralized Alternative to Digital Signatures"},"content":{"rendered":"<div class=\"asset-content\">\n<p>This paper describes a simple candidate one-way hash function which satisfies a quasi-commutative property that allows it to be used as an accumulator. This property allows protocols to be developed in which the need for a trusted central authority can be eliminated. Space-efficient distributed protocols are given for document time stamping and for membership testing, and many other applications are possible.<\/p>\n<\/div>\n<p><!-- .asset-content --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>This paper describes a simple candidate one-way hash function which satisfies a quasi-commutative property that allows it to be used as an accumulator. This property allows protocols to be developed in which the need for a trusted central authority can be eliminated. Space-efficient distributed protocols are given for document time stamping and for membership testing, 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