Signcryption与“先签名再加密”的区别
Web为了提高原方案的安全性，该文提出一种新的具有隐私保护功能的异构聚合签密方案。. 该方案克服了原方案存在的安全性问题，实现了无证书密码环境到身份密码环境之间的数据安全传输，在随机预言机模型下证明新方案的安全性。. 效率分析表明新方案与原 ... Web2 人 赞同了该回答. 都可以，签名以后加密，只有数据接收者才能验证；加密以后再签名意义满足公开验证性，所有人都能验证。. 还可以签名和加密同时进行，被称为签密。. 在签密 …
Signcryption与“先签名再加密”的区别
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Webtion methods for signcryption, carries out a comprehensive comparison between signcryption and \signature followed by encryption", and sug-gests a number of applications of signcryption in the search of e–cient security solutions based on public key cryptography. Keywords Authentication, Digital Signature, Encryption, Key Distribution, Secure ... Web信息传播离不开加密与解密。. 密码技术的用途主要源于两个方面， 加密/解密 和 签名/验签. 在信息传播中，通常有 发送者 ， 接受者 和 窃听者 三个角色。. 加密/解密 ：假设发送 …
Web针对已有的无证书签密方案计算效率低、安全性差等缺点，基于一种安全的签名方案，提出一类新的无对运算的无证书签密方案。. 采用将哈希函数与用户身份绑定以及公钥与私钥相结合生成新密钥的方法进行构造。. 在随机预言模型下基于计算椭圆曲线上的离散 ... Web在云计算应用中，确保消息的机密性和不可伪造性，同时判断不同密文对应明文的等价性显得至关重要。具有密文等值测试功能的签密方案可以实现此类安全目标。该文基于无证书公钥密码环境，设计了一个具有密文等值测试功能的无证书签密方案(clscet)。首先，提出了无证书密文等值测试签密方案 ...
Websigncryption) is an important IBC primitive, which has numerous and promising applications. After two decades of research on signcryption, recently a new cryptographic primitive, named higncryption, was pro-posed. Higncryption can be viewed as privacy-enhanced signcryption, which integrates public key encryption, entity authentication, and iden- http://www.dictall.com/indu/108/1079229A4DD.htm
WebJan 16, 2024 · In modern cryptography, the Discrete Logarithm Problem (DLP) plays a vital role, but a classical computer cannot efficiently solve it. Nowadays, the Hyper Elliptic Curve Discrete Logarithm Problem (HECDLP) of Genus two (G2) widely used in industry and also a research field of hot interest. This paper presents a novel blind signcryption scheme …
WebMay 5, 2016 · 2 基于Wang方案的身份基哈希证明系统 2.1 Wang方案 [ 12] Wang方案包含参数建立算法、私钥提取算法、签密算法、聚合算法和解签密算法. 1) 参数建立Setup (1 λ, n ). 给定 l 比特长度的信息和 n 比特长度的身份信息，输入安全参数1 λ ，身份基系统的权威机构 (PKG，private ... tsst mathstss tmtWebDec 13, 2024 · In network security, firewall is a security system that observes and controls the network traffic based on some predefined rules. A firewall sets up a barrier between internal network and another outside unsecured network, such as the Internet. A number of signcryption schemes for firewall are proposed over the years, many of them are proved … tsst odd firmwareWebNov 30, 2024 · The Internet of things (IoT) has emerged into a revolutionary technology that enables a wide range of features and applications given the proliferation of sensors and actuators embedded in everyday objects, as well as the ubiquitous availability of high-speed Internet. When nearly everything is connected to the Internet, security and privacy … tsstodd.com supportWeb近日，由于项目需要，再次让我碰到了这个名为：Signature的数字签名算法，因之前曾有网友私聊我某站的sig（Signature的简称，亦可能为sign）怎么还原它的算法，所以我想打 … tsst noteWebthe public-key setting. We refer to this primitive as signcryption, adapting the terminology of [35]. We present two de£nitions for the security of signcryption depending on whether the adversary is an outsider or a legal user of the system. We then examine generic sequential composition methods of building signcryp- phlebotomist clinichttp://www.infocomm-journal.com/txxb/CN/10.11959/j.issn.1000-436x.2024237 phlebotomist classes in ca