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基于twisted Edwards曲线的无证书盲签名方案 被引量:1
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作者 刘芹 张标 涂航 《信息网络安全》 CSCD 北大核心 2022年第8期19-25,共7页
无证书公钥密码体制消除了传统公钥密码体制对证书的需求,解决了基于身份公钥密码体制的密钥托管问题。文章结合无证书密码体制与盲签名,基于twisted Edwards曲线提出一种高效的无证书盲签名方案,并在随机预言模型下,给出形式化的安全... 无证书公钥密码体制消除了传统公钥密码体制对证书的需求,解决了基于身份公钥密码体制的密钥托管问题。文章结合无证书密码体制与盲签名,基于twisted Edwards曲线提出一种高效的无证书盲签名方案,并在随机预言模型下,给出形式化的安全性证明。实验结果表明,与现有的同类型无证书盲签名方案相比,文章所提方案的签名和验签效率提高了15%以上。 展开更多
关键词 盲签名 无证书公钥密码 ed25519 可证明安全性
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Secure and Light Weight Elliptic Curve Cipher Suites in SSL/TLS
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作者 B.Arunkumar G.Kousalya 《Computer Systems Science & Engineering》 SCIE EI 2022年第1期179-190,共12页
In the current circumstance,e-commerce through an online banking system plays a significant role.Customers may either buy goods from E-Commerce websites or use online banking to move money to other accounts.When a use... In the current circumstance,e-commerce through an online banking system plays a significant role.Customers may either buy goods from E-Commerce websites or use online banking to move money to other accounts.When a user participates in these types of behaviors,their sensitive information is sent to an untrust-worthy network.As a consequence,when transmitting data from an internal browser to an external E-commerce web server using the cryptographic protocol SSL/TLS,the E-commerce web server ensures the security of the user’s data.The user should be pleased with the confidentiality,authentication,and authenticity properties of the SSL/TLS on both the user’s web browser and the remote E-commerce web server.E-Commerce web servers should choose the best SSL/TLS cipher suites for negotiating the user in order to attain such optimistic scenarios,as the cipher suite used in SSL/TLS plays an important role in securing E-Commerce web servers.The paper primarily focuses on analyzing the SSL/TLS cipher and elliptic curves.The paper also recommends the best elliptic curve cipher suites for E-Commerce and online banking servers,based on their power consumption,handshake execution time,and key exchange and signature verification time. 展开更多
关键词 Elliptic curve cipher suites secp256r1 curve25519 ed25519
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