1. Department of Mathematics, Middle East Technical University, ?n?nü Bulvari, 06531, Ankara, Turkey 2. Institute of Applied Mathematics, Middle East Technical University, ?n?nü Bulvari, 06531, Ankara, Turkey
Abstract:
For q = pm and m ≥ 1, we construct systematic authentication codes over finite field using Galois rings. We give corrections of the construction of 2]. We generalize corresponding systematic authentication codes of 6] in various ways.