This paper presents a joint nominative proxy signature scheme by combining the methods of nominative proxy signatures and multi-signatures, which can be used to solve the problem of signing on a document by multiple original signers efficiently.

• 摘要将指名代理签名和多重签名的思想结合起来，提出了联合指名代理签名方案，可有效地解决多位原始签名者同时委托一位代理签名者签名的问题。