Two Constructions of Multireceiver Authentication Codes from Singular Symplectic Geometry over Finite Fields

摘要

Multireceiver authentication codes allow one sender to construct an authenticated message for a group of receivers such that each receiver can verify authenticity of the received message. In this paper, two constructions of multireceiver authentication codes from singular symplectic geometry over finite fields are given. The parameters and the probabilities of success for different types of deceptions are computed.