WebA related-key attack (RKA) occurs when an adversary tampers the private key stored in a cryptographic hardware device, and observes the result of the cryptographic primitive under this modified private key. In this paper, we consider the security of signcryption schemes under linear RKAs, where an adversary is allowed to tamper the private keys ... WebJan 1, 1997 · We then present a positive answer to the question. In particular, we discover a new cryptographic primitive termed as \signcryption" which simultaneously fulfllls both the functions of digital signature and public key encryption in a logically single step, and with a cost signiflcantly lower than that required by \signature followed by encryption".
基于混沌映射和选择性Signcryption的DICOM图像非对称加密方法
WebApr 11, 2024 · Meanwhile, there are problems of tracking malicious users and protecting internal and external attackers in smart grid. In order to solve the issues described above, this paper proposes a certificateless linkable ring signcryption (CLRSC) scheme without bilinear pairing based on SM2. WebMay 20, 2013 · Signcryption, introduced by Zheng [32], is a cryptographic primitive, which captures the functionality of public key encryption and signature simultaneously, and is … how to switch from sprint to xfinity
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http://portalgaruda.fti.unissula.ac.id/index.php?ref=browse&mod=viewarticle&article=162043 In cryptography, signcryption is a public-key primitive that simultaneously performs the functions of both digital signature and encryption. Encryption and digital signature are two fundamental cryptographic tools that can guarantee the confidentiality, integrity, and non-repudiation. Until 1997, they … See more The first signcryption scheme was introduced by Yuliang Zheng in 1997. Zheng also proposed an elliptic curve-based signcryption scheme that saves 58% of computational and 40% of communication … See more • Authenticated encryption See more A signcryption scheme typically consists of three algorithms: Key Generation (Gen), Signcryption (SC), and Unsigncryption (USC). Gen … See more Signcryption is seen to have several applications including the following: • Secure and authentic email. • E-commerce and M-commerce applications that often require confidentiality, authenticity, and perhaps non-repudiation. See more Web'Signcryption' published in 'Encyclopedia of Cryptography and Security' where G and H are random oracles (with appropriate input/output lengths) and r is a random salt.. To get a … how to switch from touchscreen to touchpad