Volume XVI, 2006 New Editorial Team, pages 3-4 Authors: Gabriel Ciobanu Abstract | BibTeX Secrecy for Security Protocols, pages 5-38 Authors: Cătălin Bîrjoveanu Abstract | BibTeX Algorithms for Optimally Computing in-line Visibility and Their Applications, pages 39-50 Authors: Mirel Coşulschi and Mihaela Sterpu Abstract | BibTeX A Cardinality Inverse Maximum Flow Problem, pages 51-62 Authors: Adrian Deaconu Abstract | BibTeX Secret Sharing Schemes with Applications in Security Protocols, pages 63-96 Authors: Sorin Iftene Abstract | BibTeX Solving Optimization Problems using an ACS-based Approach, pages 97-107 Authors: Camelia M. Pintea and Gabriel Negara Abstract | BibTeX