Signcryption与“先签名再加密”的区别

Author: saqi

August undefined, 2024

WebSep 19, 2024 · The recent advances in the Internet of Things (IoT) and wireless network applications required lightweight encryption and authentication algorithms in order to secure the communications among the distributed resources. While various mechanisms have been proposed in the cryptography, signcryption has been recognized as a suitable technique …

Signcryption in a Quantum World - IACR

WebFeb 15, 2024 · Because signcryption can encrypt and sign messages at the same time, it has become a new cryptographic primitive. In the meantime, certificateless signcryption … 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 ... how many students get 1600 on sat

密码系统安全实验室

WebAbstract: The article introduces a certificateless signcryption scheme targeting the problem of lacking of security mechanism in the routing of satellite networks, and designs a secure routing protocol suitable for the satellite networks. The proposed protocol avoids complicated management in the certificate mechanism and bypasses the key ... WebSigncryption is a public key cryptographic primitive which provides both privacy and authenticity of data. There exists a vast literature on signcryption in the classical setting. It was originally proposed by Zheng [Zhe97], followed by later works [ADR02, BSZ07, MMS09], which focused on formalizing the security of signcryption and WebMar 30, 2024 · 由于加密环节和解密环节所用的密钥不同，因此这种加密方式也称为非对称加密 ( asymmetric encryption )。. 由于公钥可以对外公开，也就不用刻意保护了。. 此外， … how did the sun come to be

Blind signcryption scheme based on hyper elliptic curves

Homomorphic signcryption with public plaintext‐result checkability

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 … WebAlso, the system is very fast, as both encryption and decryption procedures have a low complexity. Therefore, this paper studied code-based signcryption scheme, and combined McEliece encryption scheme with slightly modified versions of Xinmei signature scheme, then proposed a signcryption scheme based on McEliece public-key cryptography. how many students get cyber bulliedWebMar 18, 2008 · Signcryption is an ideal way to transfer messages in a logical step in a secure and authenticated way. We design a Certificateless signcryption (CLSC) scheme to provide confidentiality, ... how many students give bitsat

"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 … " - Signcryption与“先签名再加密”的区别

Signcryption与“先签名再加密”的区别

Cryptanalysis and improvement of an elliptic curve based signcryption …

Web数字签名是非对称密钥加密技术与数字摘要技术的应用。简单说，非对称加密可以防止数据被破解，数字签名可以防止数据被篡改。上一篇文章中，已经介绍的基本的非对称加密 … WebDec 20, 2000 · It is proved that the proposed new signcryption scheme is existentially unforgeable, in the random oracle model, subject to the assumption that factoring an RSA modulus N = pq (with p and q prime) is hard even when given the additional pair (g; S). Signcryption is a public-key cryptographic primitive introduced by Zheng, which achieves …

Did you know?

WebThen, the server may send the derived signcryption c f,y to Bob. Bob using his secret key s k R together with Alice's public key p k S can obtain the message y.Given the pair (y, c f,y), anyone can check with the public verification key v k that the server correctly applied f to the dataset by verifying that c f,y is a valid signcryption on a given triple “ w e i g h t ”, f (m ⃗), 〈 … http://fcst.ceaj.org/CN/10.3778/j.issn.1673-9418.2104074

http://www.infocomm-journal.com/txxb/CN/10.11959/j.issn.1000-436x.2024237 WebNov 4, 2024 · 说明：. 先签名后加密是指先对消息进行签名，然后对消息的签名值和消息一起进行加密。. 如果采用先加密后签名的方式，接收方只能知道该消息是由签名者发送过来 …

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 ... Web不良人. 公私钥加解密、加签、验签是在与各类银行、第三方机构进行对外通讯中，必然涉及一些知识。. PS：我这里提到的密钥概念可以理解为一个String串就行（也有二进制形式 …

WebJan 6, 2024 · 非对称加密算法（如rsa），正确的使用方法是公钥加密，私钥解密。最近与三方合作伙伴对接接口安全方案，遇到一个同事跟我说，我们应该存储私钥，数据用私钥加 …

WebIdentity-Based Aggregate Signcryption in the Standard Model from Multilinear Maps. Hao Wang, Zhen Liu, Zhe Liu, and Duncan S. Wong. Frontiers of Computer Science 10(4): 741-754 (2016). Time-Domain Attribute-based Access Control for Cloud-Based Video Content Sharing: A Cryptographic Approach. Kan Yang, Zhen Liu, Xiaohua Jia, and Xuemin … how many students get cyberbulliedWebJul 14, 2024 · Signcryption can be used to manage security risk and to provide assurance of the confidentiality, integrity and authenticity of biometric information. Signcryption is a relatively new cryptographic primitive, standardized last year as ISO/IEC 29150 [1]. Signcryption uses “an asymmetric encryption scheme and a digital signature scheme … how many students get selected in aiimsWebDec 3, 2011 · A modified signcryption with proxy re-encryption scheme is proposed which provides public verifiable property in a way that any third party can verify the validity, and a certified e-mail protocol in id-based setting with semi-trusted third party is presented to reduce the trust extent of third party, and improve the efficiency and practice. … how did the swahili city states developWebNov 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 … how did the sumatra tsunami happenWebOct 31, 2016 · 2024-06-11 · 分享教育知识，爱己之心爱人，律人之心律己. 关注. by means of与by ways of的区别为：意思不同、用法不同、侧重点不同。. 一、意思不同. 1.by means of意思：用，依靠. 2.by ways of意思：通过以下方式. 二、用法不同. 1.by means of用法：means多用作及物动词 ... how many students get selected in bitsatWeb摘要：. 针对车联网电子证据共享中的隐私和安全问题，提出了一种基于签密和区块链的车联网电子证据共享方案。. 所提方案将证据密文和证据报告分别存储于云服务器和区块链， … how many students give bitsat every yearWeb基于整数环Z n 上圆锥曲线的多重签名思想，提出了一种高效的整数环Z n 上圆锥曲线的多重签密方案. 在基于大整数分解和圆锥曲线离散对数的双重困难问题下对方案的安全性进行了证明. 该方案中的签密和解签密运算是在圆锥曲线上进行的，因此明文嵌入方便 ... how many students give fiitjee aits