Signcryption schemes with insider security in an ideal permutation model

• Published in: Journal of mathematical cryptology Vol. 13; no. 2; pp. 117 - 150
• Main Authors: Bansal, Tarun Kumar, Boyen, Xavier, Pieprzyk, Josef
• Format: Journal Article
• Language: English
• Published: Berlin De Gruyter 01.06.2019; Walter de Gruyter GmbH
• Subjects: 68P25; 94A60; Algorithms; Asymmetry; Authentication; Construction; Cryptography; Digital signatures; Encryption; message padding; Messages; Optimization; Permutations; provable security; Signcryption; sponge structure; universal forgery

Signcryption aims to provide both confidentiality and authentication of messages more efficiently than performing encryption and signing independently. The “Commit-then-Sign & Encrypt” (CtS&E) method allows to perform encryption and signing in parallel. Parallel execution of cryptographic al...