Dual-threshold Secret Sharing Scheme
Wei Wang · Communications technology · 2011
Based on security of RSA cryptosystem,Shamir threshold secret sharing scheme and Hash function,a dual-threshold secret sharing scheme is proposed.In this scheme,each participant can share many secrets with other participants by holding only one secret shadow.Each participant's secret shadow is selected and saved by himself andeven the secret dealer do not knows nothing about it.Inthe recoveryphase,participant only needs to submit a pseudo-shadow instead of his secret shadow.The scheme requires no secure channel between each participant and the dealer,and the algorithm can guarantee the secure delivery and verify the authenticity of the information.