Forgery Attack to Authentication of Anycast Communication
Al-Ibrahim and Cerny proposed an authentication scheme of anycast communication. Their scheme is based on El-Gamal type signature scheme. We prove that their preferred scheme, which does not require interaction among the various signers, is insecure.
J. S. Zhan and C. L. Liu, "Forgery Attack to Authentication of Anycast Communication", Applied Mechanics and Materials, Vols. 58-60, pp. 2483-2486, 2011