The PANORAMIX paper “SynTF: Synthetic and Differentially Private Term Frequency Vectors for Privacy-Preserving Text Mining”, which is joint work between Benjamin Weggenmann and Florian Kerschbaum, has been accepted at the 41st International ACM SIGIR Conference on Research and Development in Information Retrieval (SIGIR’18). Benjamin will present the paper at the conference which will take place
Panoramix presents “Bootstrapping the Blockchain, with Applications to Consensus and Fast PKI Setup” at the International Conference on Practice and Theory of Public Key Cryptography. Juan A. Garay, Aggelos Kiayias, Nikos Leonardos, Giorgos Panagiotakos Bitcoin’s security is based on the assumptions that the adversarial hashing power is less than 1/2 and that all parties pre-agree
Four PANORAMIX papers were accepted at this year’s ACM Conference on Computer and Communications Security (CCS). Two papers were presented at the pre-conference workshop WPES: 16th Workshop on Privacy in the Electronic Society (WPES 2017). “Mix-ORAM: Using delegate shuffles” Raphael R. Toledo, George Danezis, Isao Echizen Abstract: Oblivious RAM (ORAM) is a key technology for
Nikos Alexopoulos (TU Damstadt) and Thomas Zacharias will present their joint work with PANORAMIX coordinator Aggelos Kiayias and Riivo Talviste (Cyberentica AS) titled “MCMix: Anonymous Messaging via Secure Multiparty Computation” at the USENIX Security conference that will be held on 16-18 August 2017, Vancouver, Canada. Abstract: We present ‘MCMix’, an anonymous messaging system that completely hides communication metadata and
Thomas Zacharias will present his joint work with PANORAMIX coordinator Aggelos Kiayias and Bingsheng Zhang (Lancaster University) titled “Ceremonies for End-to-end Verifiable Elections” at the PKC conference that will be held on March 28-31 2017, Amsterdam, The Netherlands. Abstract: State-of-the-art e-voting systems rely on voters to perform certain actions to ensure that the election authorities are
Panoramix was represented at the “Real World Cryptography Conference 2017” held from January 4 – 6, 2017 at Columbia University in New York City. Excerpt from the RWC website https://www.realworldcrypto.com/rwc2017: “The RWC annual conference aims to bring together cryptography researchers with developers implementing cryptography in real-world systems. The main goal of the conference is to strengthen the
Panoramix member, Aggelos Kiayias, attended the 23rd ACM Conference on Computer and Communications Security in Vienna. Aggelos is co-author on two papers that were presented during the conference: “Practical Non-Malleable Codes from l-more Extractable Hash Functions” Aggelos Kiayias (University of Edinburgh), Feng- Hao Liu (Florida Atlantic University) and Yiannis Tselekounis (University of Athens) Abstract: In this work,
Following the last post, Panoramix members from University of Tartu also got a paper accepted to Asiacrypt 2016. The paper is called “A Shuffle Argument Secure in the Generic Model” (and authored by Prastudy Fauzi and Helger Lipmaa and Michał Zając, all from Tartu; eprint available at http://eprint.iacr.org/2016/866). A verifiable mix-net involves not only the shuffling
When owl:sameAs isn’t the Same Redux: Towards a Theory of Identity, Context, and Inference on the Semantic Web Harry Halpin, Patrick J. Hayes, and Henry S. Thompson Abstract: The Web changes knowledge representation in a number of surprising ways, and decentralized knowledge representation systems such as the Semantic Web will require a theory of identity for
SoK: Making Sense of Censorship Resistance Systems Sheharbano Khattak*, Tariq Elahi*, Laurent Simon, Colleen M. Swanson, Steven J. Murdoch, and Ian Goldberg Abstract: An increasing number of countries implement Internet censorship at different scales and for a variety of reasons. Several censorship resistance systems (CRSs) have emerged to help bypass such blocks. The diversity of the