Security

A Novel Distributed RSA Blind and Weakly Undeniable Multi-Signature Scheme

Download Now Free registration required

Executive Summary

Digital signature is extensively used in many practical applications as numerous cryptographic services have been proposed. In this paper, the authors will be the first to propose a signature scheme that integrates the following properties. It is a distributed RSA-type multi-signature. It is a blind and weakly undeniable signature. The modulus used by each participant cosigner is identical. Its signature form is identical to that of a standard RSA signature. The length of the signature is independent of the number of participant cosigners. "Zero-knowledge undeniable signatures" is applied to execute the confirmation/disavowal protocols. "The Gap-Problem" is used to solve the forgery problems. A multi-signature distributes the authority and responsibility of the signer among a set of cosigners with efficiency.

  • Format: PDF
  • Size: 189.72 KB