Skip to main content

Distributing the Key Distribution Centre in Sakaia??Kasahara Based Systems

Martin Geissler, Nigel Smart, Distributing the Key Distribution Centre in Sakaia??Kasahara Based Systems. Coding and Cryptography: IMACC 2009, pp. 252–262. December 2009. No electronic version available. External information

Abstract

One major drawback with using Sakaia??Kasahara based identity-based secret keys is that it appears hard to distribute the trust of the key generation centre. For other types of identity based key this distribution can be done using non-interactive and simple techniques. In this short note we explain how this can be done for Sakaia??Kasahara style keys using a simple application of a general technique from multi-party computation. The self-checking property of the resulting private key we show can be used to insulate the protocol from malicious adversaries for many practical parameter sizes.

Bibtex entry.

Contact details

Publication Admin