网络环境中的一些数字签名应用,希望在签名传输过程中对消息明文进行加密以保证消息的机密性。本文在INRSS方案的基础上利用环签密技术,通过将消息的密文信息和恢复解密密钥的关键信息有机融合在不可传递性环签名方案中,构造了一个基于身份的不可传递性环签密方案INRSCS。分析表明该方案除了具有签密者身份模糊性、不可传递性、第三方不可伪造性外还具有消息的机密性。
Some applications of digital signatures in network environment require keeping the signed message to be confidential.The thesis constructs an ID-Based Ring signcryption scheme (INRSCS)on the basis of INRSS by using the technology of Ring signcryption .This scheme incorporates the cipher text of message and the key information which used to recover the decryption key in it .Analysis shows that INRSCS is not only signer-ambiguous , non-transferable and unforgeable as INRSS is , but also is confidential .