{"title":"A New Certificateless Proxy Re-signature Scheme in the Standard Model","authors":"Liang Chen, Xing-yuan Chen, Yi Sun, Xuehui Du","doi":"10.1109/ISCID.2014.250","DOIUrl":null,"url":null,"abstract":"The existing proxy re-signature schemes are mostly constructed in traditional cryptosystems or identity-based cryptosystems. The former has the problem of complexity certificate management and overhead signature verification time, while the latter has the problem of key escrow security. A proxy re-signature scheme without certificates is proposed. The scheme is proved to be existentially unforgeable in standard model and its security can be stipulated as the difficulties of NGBDH and Many-DH assumption.","PeriodicalId":385391,"journal":{"name":"2014 Seventh International Symposium on Computational Intelligence and Design","volume":"1 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2014-12-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2014 Seventh International Symposium on Computational Intelligence and Design","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISCID.2014.250","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
The existing proxy re-signature schemes are mostly constructed in traditional cryptosystems or identity-based cryptosystems. The former has the problem of complexity certificate management and overhead signature verification time, while the latter has the problem of key escrow security. A proxy re-signature scheme without certificates is proposed. The scheme is proved to be existentially unforgeable in standard model and its security can be stipulated as the difficulties of NGBDH and Many-DH assumption.
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