An Elliptic Curve-based Signcryption Scheme with Forward Secrecy

TL;DR

This paper presents an elliptic curve-based signcryption scheme that combines signing and encryption to enhance security features while reducing computational and communication costs, suitable for resource-constrained environments.

Contribution

It introduces a novel elliptic curve-based signcryption scheme that offers multiple security attributes and improved efficiency over traditional methods.

Findings

Provides message confidentiality, authentication, and integrity.

Achieves forward secrecy of message confidentiality.

Reduces computational costs and communication overheads.

Abstract

An elliptic curve-based signcryption scheme is introduced in this paper that effectively combines the functionalities of digital signature and encryption, and decreases the computational costs and communication overheads in comparison with the traditional signature-then-encryption schemes. It simultaneously provides the attributes of message confidentiality, authentication, integrity, unforgeability, non-repudiation, public verifiability, and forward secrecy of message confidentiality. Since it is based on elliptic curves and can use any fast and secure symmetric algorithm for encrypting messages, it has great advantages to be used for security establishments in store-and-forward applications and when dealing with resource-constrained devices.