在这份报纸,能在多用户量 digitalsignature 被使用的一个计划被建议。签名和确认的计划基于 GHZ (Greenber-ger-Horne-Zeilinger ) 状态和控制的量远距传物的人物。与 thedigital 签名不同基于计算复杂性,这个计划是无条件的安全,到前者的 andcompared 介绍了量签名计划,它不依靠仲裁者 toverify 签名并且一起由多用户认识到消息罐头 besigned。
In this paper, a scheme which can be used in multi-user quantum digital signature is proposed. The scheme of signature and verification is based on the characters of GHZ (Greenberger-Horne-Zeilinger) states and controlled quantum teleportation. Different from the digital signatures based on computational complexity, this scheme is unconditional secure, and compared to the former presented quantum signature scheme, it does not rely on an arbitrator to verify the signature and realize a message can be signed by multi-user together.