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

Zhengjun Cao

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

BibTeX

@misc{cryptoeprint:2004/307,
      author = {Zhengjun Cao},
      title = {Universal Forgeability of Wang-Wu-Wang Key-Insulated Signature Scheme},
      howpublished = {Cryptology {ePrint} Archive, Paper 2004/307},
      year = {2004},
      url = {https://eprint.iacr.org/2004/307}
}