北京邮电大学学报

  • EI核心期刊

北京邮电大学学报 ›› 1999, Vol. 22 ›› Issue (1): 57-61.

• 分层与分割概念及其在ATM网管系统中的应用 • 上一篇    下一篇

一种新的密钥分享方案——叠像术

夏光升, 杨义先   

  1. 北京邮电大学信息工程系, 北京 100876
  • 收稿日期:1998-05-06 出版日期:1999-01-10
  • 基金资助:
    国家自然科学基金资助项目(69772035)

A New Secret Sharing Scheme——Image Covering

Xia Guangsheng Yang Yixian   

  1. Department of Information Engineering, Beijing University of Posts and Telecommunications, Beijing 100876
  • Received:1998-05-06 Online:1999-01-10

摘要: M.Naor和A.Shamir于1994年提出了一种新的密钥分享方案, 即可视密码术(Visual Cryptography).本文将此密码技术改进为叠像术, 用有意义的明文图像代替原来的随机噪声图象, 使之更具安全性.

关键词: 密钥管理, 密钥分享, 叠像术, 子密钥

Abstract: A new secret sharing scheme, visual cryptography, was proposed by Moni Naor and Adi Shamir in 1994.We present a new shceme named image covering, in which the subkey image with random noise is replaced by meaningful text image.

Key words: cryptogram management, secret sharing, image covering, subkey

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