Improved identity-based signcryption

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August undefined, 2024

Witryna23 sty 2005 · Liqun Chen. Hewlett-Packard Laboratories, Bristol, UK 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,...

Efficient and Provably-Secure Identity-Based Signatures and ...

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 ... Witryna19 sie 2002 · An IDentity-Based Signcryption (IDBS) [4] is used for communication confidentiality, authenticity and integrity, both among peers, and between the central … small change imdb

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Witryna6 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. 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 … Witryna3 wrz 2024 · This article presents an overview of a new multilayer node event processing (MNEP) method for improved data center energy efficiency and event management monitoring in its physical infrastructure. Event management is essential for the provision and maintenance of the reliability and functionality of the physical infrastructure. For … small change investing

An Improved Identity-Based Generalized Signcryption Scheme for …

Improved Identity-Based Signcryption - IACR

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]. Witryna25 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 … small change in road signWitrynaIn 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 … small change in england crossword clue

"Witryna1 mar 2012 · An identity-based signcryption scheme should satisfy two basic security notions. These notions are semantic security (i.e. indistinguishability against adaptive … " - Improved identity-based signcryption

Improved identity-based signcryption

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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 … WitrynaThe improved scheme has shorter ciphertext size than the ZYZZ scheme. We then prove that the improved scheme satisﬁes conﬁdentiality, unforgeability, anonymity and authenticata- ... Several ID-based signcryption schemes have been proposed so far, e.g. [4,6,7,8,16,19]. In addition, many variations of ID-based signcryption were …

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Witryna13 gru 2024 · Encryption and digital signature are two basic security properties of any singcryption scheme. Such properties include integrity, non-repudiation, unforgeability and confidentiality. Forward secrecy and public verifiability are additional features that are provided depending upon the requirements. WitrynaImproved Identity-Based Signcryption 365 3.1 Ciphertext Authentication A scheme oﬀering ciphertext authentication provides the guarantee to the re-cipient of a …

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} WitrynaWe also propose an improved certificateless hybrid signcryption scheme and formally prove the security of the improved scheme against both adaptive chosen ciphertext …

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 …

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 …

Witryna11 kwi 2024 · Transformer-based large language models are rapidly advancing in the field of machine learning research, with applications spanning natural language, biology, chemistry, and computer programming. Extreme scaling and reinforcement learning from human feedback have significantly improved the quality of generated text, enabling … some scripting languagesWitrynaIdentity-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- some scottish wordsWitrynaWe 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. some scottish phrasesWitrynaSeveral signcryption schemes proposed in the literature are known to lack semantic security, and semantically secure signcryption schemes tend to be more computationally expensive. In fact, devising an efficient signcryption scheme providing both public verifiability and forward security was until now an open problem. In this … small change malcolm gladwell summaryWitryna1 maj 2010 · The concept of identity-based (ID-Based) cryptography was first introduced by Shamir [1] in 1984. Its basic idea is that the users can choose arbitrary strings, … small change lyricsWitryna1 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. small change machineWitryna1 sty 2008 · The ID-based broadcast signcryption (IDBSC) is a scheme that allows multiple broadcasters to securely broadcast messages to authorized receivers. Using a pay-TV system as an example, we may refer a broadcaster to a program or channel which has been subscribed by a user. some scripts literary magazine