ACCEPTED PAPERS FOR ICITS 07 Title: Commitment and Authentication Systems Authors: Alexandre Pinto, André Souto, Armando Matos, Luís Antunes Affiliations: DCC - Faculdade de Ciências da Universidade do Porto Title: Strongly Multiplicative Hierarchical Threshold Secret Sharing Authors: Emilia K\"{a}sper and Ventzislav Nikov and Svetla Nikova Affiliations: Katholieke Universiteit Leuven, ESAT-COSIC Title: Efficient Oblivious Transfer Protocols Achieving a Non-Zero Rate from Any Non-Trivial Noisy Correlation Authors: Hideki Imai, Kirill Morozov, Anderson Nascimento Affiliations: Chuo University, Japan; University of Brasilia, Brazil; AIST, Japan Title: Improvement of Collusion Secure Convolutional Fingerprinting Information Codes Authors: Joan Tomàs and Marcel Fernandez and Miguel Soriano Affiliations: Department of Telematics Engineering. Universitat Politècnica de Catalunya. Title: On Exponential Lower Bound for Protocols for Reliable Communication in Networks Authors: Kannan Srinathan and C. Pandu Rangan and Ranjt Kumaresan Affiliations: IIIT Hyderabad and IIT Madras, India Title: Almost Secure (1-Round, n-Channel) Message Transmission Scheme Authors: Kaoru Kurosawa and Kazuhiro Suzuki Affiliations: Ibaraki University Title: Cryptographic security of individual instances Authors: Luis Antunes, Sophie Laplante, Alexandre Pinto Affiliations: DCC-FC & LIACC University of Porto, and LRI, University Paris-Sud Title: Optimising SD and LSD in presence of Non-uniform Probabilities of Revocation Authors: Paolo D'Arco and Alfredo De Santis Affiliations: Dipartimento di Informatica ed Applicazioni, University of Salerno, I-84084 Fisciano (SA) ITALY Title: Trade-Offs in Information-Theoretic Multi-Party One-Way Key Agreement Authors: Renato Renner and Stefan Wolf and Jurg Wullschleger Affiliations: University of Cambridge, United and ETH, Switzerland Title: New Results on Unconditionally Secure Multi-receiver Manual Authentication Authors: Shuhong Wang and Reihaneh Safavi-Naini Affiliations: University of Wollongong Title: Secret Sharing Comparison by Transformation and Rotation Authors: Tord Ingolf Reistad & Tomas Toft Affiliations: Norwegian University of Science and Technology, Norway. University of Aarhus, Denmark Title: Unconditionally Secure Chaffing-and-Winnowing for Multiple Use Authors: Wataru Kitada, Goichiro Hanaoka, Kanta Matsuura, Hideki Imai Affiliations: Institute of Industrial Science, the University of Tokyo. Research Center for Information Security, National Institute of Advanced Industrial Science and Technology. Title: Unconditionally Secure Blind Signatures Authors: Yuki Hara, Takenobu Seito, Junji Shikata, Tsutomu Matsumoto Affiliations: Yokohama National University, Japan