Improved identity-based signcryption

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August undefined, 2024

Witryna23 sty 2005 · We present an identity-based signcryption solution that we believe is the most efficient, provably-secure scheme of its type proposed to date. Our scheme …

Proxy signcryption scheme in the standard model Security and ...

Witryna1 maj 2010 · In our improvement, a random string is embedded into the signcrypted message during executing instructions of the signcryption algorithm. Thus, only the intended receiver can decrypt the corresponding ciphertext with his private key to get the original message and the random string, and verify the ciphertext’s validation with them. WitrynaIn this paper, we have proposed an improved identity based proxy re-signcryption scheme which improve the performance of scheme proposed by Wang Huige. In our … china bms manufacturers

An improved semantically-secure identity-based signcryption …

Witryna23 sty 2005 · Liqun Chen. Hewlett-Packard Laboratories, Bristol, UK WitrynaAn identity-based threshold signcryption scheme for multiple receivers is proposed. For the n specified receivers, the ciphertext can be decrypted and verified when arbitrary t or more receivers work together. The steps of the private keys extraction, ... Witryna17 maj 2004 · Improved Identity-Based Signcryption Liqun Chen and John Malone-Lee Abstract We present an identity-based signcryption scheme that we believe is the most efficient proposed to date. We provide random oracle model~\cite {ROP} proofs of security under the definitions proposed in~\cite {MIBS} graffiti pete in the heights

Proxy signcryption scheme in the standard model Security and ...

Cryptanalysis and improvement of an elliptic curve based signcryption ...

Witryna1 mar 2012 · We proposed an improved identity-based signcryption scheme. The security of the improved scheme is proved in the standard model. We compared efficiency and security of our scheme with those of existing schemes. Introduction Identity-based cryptography was introduced by Shamir [1]. Witryna17 gru 2008 · Abstract. We show that the Zhang-Yang-Zhu-Zhang identity-based authenticatable ring signcryption scheme is not secure against chosen plaintext … graffiti pittsburgh clubWitryna1 mar 2012 · An identity-based signcryption scheme should satisfy two basic security notions. These notions are semantic security (i.e. indistinguishability against adaptive … graffiti peice heart letter o

"Witryna2 dni temu · Invasive fungal infection (IFI) in immunocompromised neonates is significantly associated with high morbidity and mortality and has become the third most common infection in Neonatal Intensive Care Units. The early diagnosis of IFI for neonatal patients is difficult because of the lack of specific symptoms. The traditional … " - Improved identity-based signcryption

Improved identity-based signcryption

An improved semantically-secure identity-based signcryption …

WitrynaProvably secure identity-based threshold unsigncryption scheme; Article . Free Access. Provably secure identity-based threshold unsigncryption scheme. Authors: Bo Yang. College of information, South China Agricultural University, Guangzhou, P.R. China. Witryna19 sie 2002 · An IDentity-Based Signcryption (IDBS) [4] is used for communication confidentiality, authenticity and integrity, both among peers, and between the central …

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WitrynaIn this paper we describe a new identity-based signcryption (IBSC) scheme built upon bilinear maps. This scheme turns out to be more efficient than all others proposed so … Witryna1 maj 2015 · In this paper, we propose a new privacy-enhancing group signcryption scheme that provides: unforgeability, confidentiality, ciphertext and sender anonymity, traceability, unlinkability,...

Witryna1 lut 2010 · The proposed certificateless signcryption scheme In this section, we propose a certificateless signcryption scheme secure against malicious-but-passive KGC attacks in the standard model. The proposed scheme involves three parties: a KGC, a sender with an identity u S and a receiver with an identity u R. Witryna26 sie 2024 · An Improved Identity-Based Generalized Signcryption Scheme for Secure Multi-Access Edge Computing Empowered Flying Ad Hoc Networks Abstract: …

WitrynaImproved Identity-Based Signcryption 365 3.1 Ciphertext Authentication A scheme oﬀering ciphertext authentication provides the guarantee to the re-cipient of a … WitrynaWe propose a fully functional identity-based encryption scheme (IBE). The scheme has chosen ciphertext security in the random oracle model assuming a variant of the computational Diffie-Hellman problem. Our system is based on bilinear maps between groups. The Weil pairing on elliptic curves is an example of such a map.

WitrynaThe adversary is able to obtain some secret information from side channel attacks, which further damages the security for the system. To resolve this issue, we provide a hierarchical identity-based online/offline encryption scheme which resists side ...

WitrynaCertificateless public key cryptography eliminatescertificate management in traditional public key infrastructure and solves the key escrow problem in identity-based cryptography. Certificateless signcryption is one of the most important primitives in certificateless public key cryptography which achieves confidentiality and … china bmx bicycleWitryna6 mar 2024 · Signcryption requires less computational complexity, communication cost, and implementation effort. Moving ahead, Deng and Boa [ 4] suggested a scheme to reduce computational cost by up to 16% and communication cost by up to 85% when compared to the signature-then-encryption technique. graffiti pete in the heights movieWitryna25 kwi 2010 · Signcryption is an important cryptography primitive that provides confidentiality and authenticity for the messages simultaneously, at lower costs than traditional sign-then-encrypt method. This paper presents the attacks against two identity-based signcryption schemes: the Zhang et al.'s assertion signcryption … china board shorts supplierWitrynaThe idea of signcryption is to provide a method to encrypt and sign data together in a way that is more e cient than using an encryption scheme combined with a signature … china board game makerWitryna17 maj 2004 · Improved Identity-Based Signcryption Liqun Chen and John Malone-Lee Abstract We present an identity-based signcryption scheme that we believe is … china boarding schoolWitryna1 maj 2010 · To make up for this flaw, in this paper, an improved IBSC scheme is proposed and is shown to be really secure in the standard model. In our improvement, … china boarding up homesWitrynaIdentity-based signcryption was rst proposed by Malone-Lee [51], and was then intensively studied thereafter (e.g., [20,26,11,8]). The reader is referred to [43] for a good survey on ID-based signcryption. Identity-based signcryption has numerous promising applications. For example, it is used in secure and privacy- graffiti pier history