| 一种新的基于证书的盲签名方案 |
投稿时间：2018-01-01 修订日期：2018-01-08  点此下载全文 |
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| 中文摘要: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。文章基于证书密码系统，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。 |
| 中文关键词:盲签名 基于证书盲签名 双线性映射 证书管理 密钥托管 |
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| A New Certificate-Based Blind Signature Scheme |
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| Abstract: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. |
| keywords:blind Signature certificate-based blind signature bilinear mapping certificate management key escrow |
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