Results 81 to 90 of about 1,905 (207)

An ID-based Hybrid Broadcast Signcryption Scheme with User Anonymity

open access: yes工程科学与技术, 2013
:Broadcast signcryption can make the sender send multi messages to recipients by one operation. In order to efficiently solve the problems of low efficiency, large overhead and privacy security in “one-to-many” communication model, an ID-based broadcast ...
林志强, 杨晓元, 韩益亮
doaj  

Heterogeneous Signcryption with Key Privacy

open access: yesThe Computer Journal, 2011
A signcryption scheme allows a sender to produce a ciphertext for a receiver so that both confidentiality and non-repudiation can be ensured. It is built to be more efficient and secure, for example, supporting insider security, when compared with the conventional sign-then-encrypt approach.
Qiong Huang 0001   +2 more
openaire   +2 more sources

A Traceable Ring Signcryption Scheme Based on SM9 for Privacy Protection

open access: yesInformation
To address the issues of insufficient privacy protection, lack of confidentiality, and absence of traceability mechanisms in resource-constrained application scenarios such as IoT nodes or mobile network group communications, this paper proposes a ...
Liang Qiao, Xuefeng Zhang, Beibei Li
doaj   +1 more source

Two-way and anonymous heterogeneous signcryption scheme between PKI and IBC

open access: yesTongxin xuebao, 2017
Exiting heterogeneous signcryption schemes which were between public key infrastructure (PKI) and identity-based cryptosystem (IBC) have some limitations.A new heterogeneous signcryption scheme between PKI and IBC was proposed.In the random oracle mode ...
Cai-fen WANG   +4 more
doaj   +2 more sources

An Efficient Pipelined Technique for Signcryption Algorithms

open access: yes, 2020
Signcryption algorithms are based on public key cryptography. The main advantage of signcryption algorithms is to provide both confidentiality and authenticity in one step. Hence, signcryption algorithms lower both communication and computation overheads.
Heba K Aslan   +2 more
core  

Certificateless KEM and Hybrid Signcryption Schemes Revisited [PDF]

open access: yes, 2010
Often authentication and confidentiality are required as simultaneous key requirements in many cryptographic applications. The cryptographic primitive called signcryption effectively implements the same and while most of the public key based systems are ...
C. Pandu Rangan   +2 more
core   +1 more source

Improvements and Generalisations of Signcryption Schemes [PDF]

open access: yes, 2013
In this work, we study the cryptographic primitive: signcryption, which combines the functionalities of digital signatures and public-key encryption.
Zhang, Wei
core  

Revocable ID-based Signcryption Scheme

open access: yes工程科学与技术, 2014
:In order to revoke private key leaks or malicious users in a signcryption system,a new revocable identity-based signcryption scheme was proposed.In this scheme,the master key was randomly divided into two parts,which were used to construct the initial ...
刘振华, 李娟娟, 俎龙辉
doaj  

Generic Constructions for Verifiable Signcryption [PDF]

open access: yes, 2012
Signcryption is a primitive which simultaneously performs the functions of both signature and encryption in a way that is more efficient than signing and encrypting separately. We study in this paper constructions of signcryption schemes from basic cryptographic mechanisms; our study concludes that the known constructions require expensive encryption ...
openaire   +3 more sources

Ring signcryption scheme based on domestic cryptographic algorithm SM9

open access: yesTongxin xuebao
To address the linear computational increase with ring size in existing identity-based ring signcryption schemes, an efficient ring signcryption scheme based on the Chinese national cryptographic standard SM9 was proposed.
XIE Zhenjie   +4 more
doaj  

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