Universal Forgeability of Wang-Wu-Wang Key-Insulated Signature Scheme

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Paper 2004/307

Universal Forgeability of Wang-Wu-Wang Key-Insulated Signature Scheme

Zhengjun Cao

Abstract

Wang et al. recently proposed a new perfect and strong key-insulated signature scheme in [1]. We find that the scheme is universally forgeable. In the paper we present a simple and direct attack on it.

Metadata

Available format(s): PDF PS
Category: Cryptographic protocols
Publication info: Published elsewhere. Unknown where it was published
Keywords: key-insulated signature scheme universal forgeability
Contact author(s): zjcamss @ hotmail com
History: 2004-11-16: received
Short URL: https://ia.cr/2004/307
License: CC BY