首页> 外文会议>Public key cryptography - PKC 2011 >Efficient Attribute-Based Signatures for Non-monotone Predicates in the Standard Model
【24h】

Efficient Attribute-Based Signatures for Non-monotone Predicates in the Standard Model

机译:标准模型中非单调谓词的基于属性的有效签名

获取原文
获取原文并翻译 | 示例

摘要

This paper presents a fully secure (adaptive-predicate un-forgeable and private) attribute-based signature (ABS) scheme in the standard model. The security of the proposed ABS scheme is proven under standard assumptions, the decisional linear (DLIN) assumption and the existence of collision resistant (CR) hash functions. The admissible predicates of the proposed ABS scheme are more general than those of the existing ABS schemes, i.e., the proposed ABS scheme is the first to support general non-monotone predicates, which can be expressed using NOT gates as well as AND, OR, and Threshold gates, while the existing ABS schemes only support monotone predicates. The proposed ABS scheme is efficient and practical. Its efficiency is comparable to (several times worse than) that of the most efficient (almost optimally efficient) ABS scheme the security for which is proven in the generic group model.
机译:本文提出了一种在标准模型中的完全安全的(自适应谓词不可伪造和私有的)基于属性的签名(ABS)方案。在标准假设,决策线性(DLIN)假设以及抗冲突(CR)哈希函数的存在下,证明了所提出的ABS方案的安全性。提议的ABS方案的可允许谓词比现有的ABS方案的谓词更笼统,即,提议的ABS方案是第一个支持通用非单调谓词的谓词,可以使用NOT门以及AND,OR来表示。和阈值门,而现有的ABS方案仅支持单调谓词。所提出的ABS方案是有效且实用的。它的效率与最有效(几乎最佳效率)的ABS方案的效率相当(差了几倍),其安全性已在通用组模型中得到证明。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号