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A New Pairing-Free Certificateless Signcryption Scheme


Affiliations
1 Department of Engineering Mathematics, Andhra University, Visakhapatnam, 530 003, India
2 Department of Engineering Mathematics, Anil Neerukonda Institute of Technology and Science, Visakhapatnam 531 163, India
3 Department of Electronics and Communication Engineering, GITAM University, Visakhapatnam 530 045, India
 

Signcryption is a cryptographic primitive which provides unforgeability and confidentiality for digital communications. Many signcryption schemes have been constructed in the literature for secure communication between smart objects. But, many of these existing schemes are not secure and inefficient for resource constrained applications like WSNs, Mobile computing, VANETs and IoT applications. To enrich the security and efficiency issues, in this paper, we propose a new signcryption scheme in certificateless based framework and prove its security under the CDHP and ECDLP assumptions. The efficiency analysis indicates that our scheme is more efficient than other existing signcryption schemes and is well suitable for resource-constrained applications.

Keywords

Authentication and Confidentiality, Certificateless Based Cryptography, EUF-CLSC-CMA, IND-CLSC-CCA, IoT Applications.
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  • A New Pairing-Free Certificateless Signcryption Scheme

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Authors

Srinivasa Rao Gopisetti
Department of Engineering Mathematics, Andhra University, Visakhapatnam, 530 003, India
Ramesh Babu Amarapu
Department of Engineering Mathematics, Anil Neerukonda Institute of Technology and Science, Visakhapatnam 531 163, India
Gowri Thumbur
Department of Electronics and Communication Engineering, GITAM University, Visakhapatnam 530 045, India
Vasudeva P Reddy
Department of Engineering Mathematics, Andhra University, Visakhapatnam, 530 003, India

Abstract


Signcryption is a cryptographic primitive which provides unforgeability and confidentiality for digital communications. Many signcryption schemes have been constructed in the literature for secure communication between smart objects. But, many of these existing schemes are not secure and inefficient for resource constrained applications like WSNs, Mobile computing, VANETs and IoT applications. To enrich the security and efficiency issues, in this paper, we propose a new signcryption scheme in certificateless based framework and prove its security under the CDHP and ECDLP assumptions. The efficiency analysis indicates that our scheme is more efficient than other existing signcryption schemes and is well suitable for resource-constrained applications.

Keywords


Authentication and Confidentiality, Certificateless Based Cryptography, EUF-CLSC-CMA, IND-CLSC-CCA, IoT Applications.

References