Secure Anonymous Threshold Subliminal Channel for Ad Hoc Environments

摘要：

The (t, n) threshold cryptography is an important method for sharing a group secret message in dynamic groups such as Ad Hoc groups. Using subliminal channel, one can send a secret message to an authorized receiver and the message cannot be discovered by any unauthorized receivers; it satisfies different requirements of different kind of users. We discussed the security of HCW scheme and proposed a secure anonymous threshold subliminal channel. The proposed scheme has not any setup phase and allows mixture use of Discrete-Logarithm-Type keys and RSA-type keys. Furthermore, the proposed scheme only has a simple initialization phase, thus, it is flexible and suitable for Ad Hoc environments. The new scheme can resist forgery and conspiracy attacks; the subliminal message sender is indistinguishable to others except the authorized users. Performance analysis and experiments show that the new scheme is more efficient in general.

关键词： Threshold Subliminal channel digital signature

作者: Li Su Muxiang Yang Jun Li Guohua Cui

作者单位: Huazhong University of Science and Technology Wuhan ,China

会议类型: 国际会议

会议名称: 第二届IEEE无线通讯、网络技术暨移动计算国际会议

会议地点: 武汉

会议语种:英文

在线出版日期: 2006-09-01（万方平台首次上网日期，不代表论文的发表时间）