Results 11 to 20 of about 458 (162)

Secret Key-Awareness Secure in Certificateless Cryptography

open access: yesProcedia Environmental Sciences, 2011
AbstractIn certificateless cryptography protocol, public keys don’t be required certificates to guarantee their validity, so any other adversaries can replace users’ public keys. There are two security models: the weak security model prohibits the adversaries to query the decryption oracle of the ciphertexts under the public key chosen by the ...
exaly   +2 more sources

Efficient and Provably Secure Certificateless Signature Schemes [PDF]

open access: yesJisuanji gongcheng, 2016
Certificateless public key cryptography solves the key escrow problem of identity-based cryptography.In common with identity-based cryptography,certificateless public key cryptography does not rely on certificate.Therefor,this paper references from the ...
TANG Yongli,WANG Feifei,YAN Xixi,LI Zichen
doaj   +1 more source

Forgery attacks on several certificateless signature schemes

open access: yes网络与信息安全学报, 2020
Since Al-Riyami and Paterson proposed the novel concept of certificateless cryptography and the first certificateless signature scheme in 2003,a lot of certificateless signature schemes were proposed one after another.Recently,Tang et al proposed nine ...
Jing WANG, Zumeng LI
doaj   +3 more sources

A Leakage-Resilient Certificateless Authenticated Key Exchange Protocol Withstanding Side-Channel Attacks

open access: yesIEEE Access, 2020
Certificateless public-key cryptography has conquered both the certificate management problem in the traditional public-key cryptography and the key escrow problem in the ID-based public-key cryptography. Certificateless authenticated key exchange (CLAKE)
Tsung-Che Hsieh   +2 more
doaj   +1 more source

Security Vulnerabilities of Four Signature Schemes From NTRU Lattices and Pairings

open access: yesIEEE Access, 2020
Certificateless cryptography solves the certificate management problem in public-key cryptography and the key-escrow problem in identity-based cryptography. Xie et al. proposed a certificateless signature scheme using NTRU lattices.
Kyung-Ah Shim
doaj   +1 more source

Design Principles of Secure Certificateless Signature and Aggregate Signature Schemes for IoT Environments

open access: yesIEEE Access, 2022
Certificateless cryptography resolves the certificate management problem of public-key cryptography and the key-escrow problem of identity-based cryptography.
Kyung-Ah Shim
doaj   +1 more source

Certificateless Public Key Cryptography [PDF]

open access: yes, 2003
This paper introduces and makes concrete the concept of certificateless public key cryptography (CL-PKC), a model for the use of public key cryptography which avoids the inherent escrow of identity-based cryptography and yet which does not require certificates to guarantee the authenticity of public keys. The lack of certificates and the presence of an
Sattam S. Al-Riyami, Kenneth G. Paterson
openaire   +2 more sources

A Provably Secure Proxy Signature Scheme in Certificateless Cryptography [PDF]

open access: yesInformatica, 2010
A proxy signature scheme enables an original signer to delegate its signing capability to a proxy signer and then the proxy signer can sign a message on behalf of the original signer. Recently, in order to eliminate the use of certificates in certified public key cryptography and the key-escrow problem in identity-based cryptography, the notion of ...
Hu Xiong, Fagen Li, Zhiguang Qin
openaire   +2 more sources

Efficient and Anonymous Certificateless Multi-Message and Multi-Receiver Signcryption Scheme Based on ECC

open access: yesIEEE Access, 2019
As the further extension of the multi-receiver signcryption, the multi-message and multi-receiver signcryption allows a sender to simultaneously signcrypt different messages for different receivers in only one logic operation, which makes it more ...
Liaojun Pang, Mengmeng Wei, Huixian Li
doaj   +1 more source

Certificateless Proxy Re-encryption Scheme for Cloud Computing Security [PDF]

open access: yesJisuanji gongcheng, 2017
This paper researches Proxy Re-encryption(PRE) technology under the Certificateless Public Key Cryptography(CL-PKC),gives a formal definition and security model for certificateless PRE system and construct a new certificateless PRE scheme.The new scheme ...
ZHU Jun,CHEN Linlin,ZHU Xian,XIE Ling,WEI Wei
doaj   +1 more source

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