Efficient identity based signcryption scheme with public verifiability and forward security

Lei, Feiyu; Chen, Wen; Chen, Kefei; Ma, Changshe

doi:10.1007/bf02828661

Cited by 1 publication

(2 citation statements)

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“…ereafter, Lo and Tsai [16] initiated that the Lo and Tsai [15] scheme is vulnerable in terms of the chosen warrant attack (CWA). Hence, using BP, an identity-based proxy signcryption was proposed by Fei-Yu et al [17] where the forward secrecy public verifiability was the future aspects of the scheme.…”

Section: Introductionmentioning

confidence: 99%

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A Hyperelliptic Curve Cryptosystem Based Proxy Promised Signcryption Scheme

Khan

Algarni

Ullah

et al. 2022

Security and Communication Networks

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Signcryption is the method of combining a digital signature with encryption in a single logical step to get the cryptographic primitives of a public key. However, in addition to signcryption, we sometimes require anonymity and delegation of rights. In this paper, we propose a scheme called proxy promised signcryption to address all of these objectives simultaneously. In this scheme, the actual sender or signer delegates authority to an agent known as signcrypter for signcryption of the actual ciphertext. The agent entity is facilitated to generate a promised signcrypted text. The signcrypted text is then communicated to the intended recipient. The proposed work aims to reduce computation and communication costs, which has been tested by comparing it to existing schemes. The results obtained from this comparison support the aims of our scheme. The proposed scheme’s security has also been evaluated using the Automated Validation of Internet Security Protocols and Applications (AVISPA) tool. The results validate that our scheme resists well-known cyberattacks.

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Section: Introductionmentioning

confidence: 99%

“…is scheme [17] was exploited as insecure by Wang et al [18]. ereafter, an Idbased proxy signcryption was proposed by Wang and Cao [19].…”

Section: Introductionmentioning

confidence: 99%