一种新的基于证书的盲签名方案
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摘要
传统公钥密码系统需要用证书验证用户的身份,存在复杂的证书管理问题,身份公钥密码系统签名密钥是由第三方生成,存在密钥托管问题。基于证书密码系统,结合双线性对和盲签名技术,提出一个新的基于证书的盲签名方案,新方案中签名者的签名密钥是由证书和签名者任意选择的私钥构成,解决了密钥托管问题,证书是签名密钥的一部分,在验证签名有效性的同时也验证了证书的有效性,解决了复杂的证书管理问题。分析结果表明,该方案是正确的。
The traditional public-key cryptosystem needs a certificate to verify the user's identity,and there is a complicated problem of certificate management.The public key cryptosystem signature key of the public key cryptosystem is generated by a third party,and the key escrow problem exists.This paper proposes a new certificate-based blind signature scheme based on certificate cryptosystem and bilinear pairing and blind signature technique.In the new scheme,the signature key of the signer is composed of the private key that the certificate and signer arbitrarily choose to solve the key escrow problem,the certificate is part of the signature key,verifies the validity of the signature,but also verifies the validity of the certificate and solves the complicated problem of certificate management.The analysis shows that the schemes is correct.
The traditional public-key cryptosystem needs a certificate to verify the user's identity,and there is a complicated problem of certificate management.The public key cryptosystem signature key of the public key cryptosystem is generated by a third party,and the key escrow problem exists.This paper proposes a new certificate-based blind signature scheme based on certificate cryptosystem and bilinear pairing and blind signature technique.In the new scheme,the signature key of the signer is composed of the private key that the certificate and signer arbitrarily choose to solve the key escrow problem,the certificate is part of the signature key,verifies the validity of the signature,but also verifies the validity of the certificate and solves the complicated problem of certificate management.The analysis shows that the schemes is correct.
引文
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[13]刘二根,王霞,周华静.一种无证书盲签名方案的分析与改进[J].计算机应用与软件,2017,34(2):308—312.
[14]刘二根,王霞,周华静等.改进的无证书代理盲签名方案[J].计算机科学,2016,43(8):92—94.
[2]王倩,郑东,任方.基于编码的盲签名方案[J].计算机应用,2015,35(10):2867—2871.
[3]王辉,石润华,仲红,等.有序双重的量子盲签名协议[J].通信学报,2015,36(9):259—266.
[4]乌琦嘉,张建中.基于量子秘密共享的盲签名方案[J].计算机工程与应用,2015,51(13):63—65.
[5]钱晓捷,王海江.基于非纠缠量子秘密共享的盲签名方案[J].计算机应用与软件,2013,30(8):307—310.
[6]何俊杰,孙芳,祁传达.基于二次剩余的前向安全盲签名方案[J].计算机应用与软件,2013,30(7):54—56.
[7]王琳杰,韩春霞,颜青.基于双线性对的前向安全的代理盲签名方案[J].计算机应用与软件,2013,30(8):187—189.
[8] GENTRY C.Certificate-based encryption and the certificate revocation problem[C]//Biham E,Cryptology-Eurocrypt,Springer-Verlag,2003:272—293.
[9] SHAMIR A.Identity-based cryptosystems and signature schemes[C]//BLAKELY G R,CHAUM D,Cryptology-Crypto,LNCS,1984,196:47—53.
[10] AI-RIYAMI S,PATERSON K.Certificateless public key cryptography[C]//Proceedings of ASIACRYPT,2003,Berlin:SpringerVerlag,2003:452—473.
[11]龚国昌,石志寒.具有强盲性的高效无证书盲签名方案[J].计算机应用,2014,34(7):1890—1892.
[12]黄茹芬,农强,黄振杰.可证安全的基于证书部分盲签名方案[J].计算机工程,2014,40(6):109—114.
[13]刘二根,王霞,周华静.一种无证书盲签名方案的分析与改进[J].计算机应用与软件,2017,34(2):308—312.
[14]刘二根,王霞,周华静等.改进的无证书代理盲签名方案[J].计算机科学,2016,43(8):92—94.