Identity Based Multisignatures

Abstract. This paper presents identity based serial and parallel multisignature schemes using bilinear pairings. Our serial multisignature scheme requires a forced verification at every level to avoid the overlooking of the predecessors' signatures. However, in parallel multisignature scheme the verification of individual signatures is performed by a designated clerk. We show that our schemes are secure against existential forgery under adaptive chosen message attack in the random oracle model. Key words: serial multisignatures, parallel multisignatures, bilinear pairings, identity based cryptosystems.

• Type: Journal
• Year: 2006
• Where: INFORMATICALT
• Authors: Raju Gangishetti, M. Choudary Gorantla, Manik Lal Das, Ashutosh Saxena
• Keywords: Bilinear Pairings, INFORMATICALT 2006, Multisignature Scheme, Parallel Multisignature Scheme