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Auflistung nach Schlagwort "post-quantum cryptography"

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  • Konferenzbeitrag
    How Quantum Computers threat security of PKIs and thus eIDs
    (Open Identity Summit 2021, 2021) Vogt, Sebastian; Funke, Holger
    Quantum computers threaten the security of asymmetric cryptography and thus the heart of a PKI - used for example to protect electronic data in passports. On the one hand, there are already promising candidates for post-quantum secure algorithms, but these also have disadvantages (stateful and / or with significantly larger public keys or signatures). On the other hand, there are some application areas for which a PKI should use post-quantum secure procedures as soon as possible. What is the situation regarding PQC in the market for secure, electronic identification (e.g. electronic travel documents)? What needs to be done to prepare electronic travel documents for a post-quantum world?
  • Konferenzbeitrag
    Improved Post-quantum-secure Face Template Protection System Based on Packed Homomorphic Encryption
    (BIOSIG 2021 - Proceedings of the 20th International Conference of the Biometrics Special Interest Group, 2021) Tamiya, Hiroto; Isshiki, Toshiyuki; Mori, Kengo; Obana, Satoshi; Ohki, Tetsushi
    This paper proposes an efficient face template protection system based on homomorphic encryption. By developing a message packing method suitable for the calculation of the square Euclidean distance, the proposed system computes the squared Euclidean distance between facial features by a single homomorphic multiplication. Our experimental results show the transaction time of the proposed system is about 14 times faster than that of the existing face template protection system based on homomorphic encryption presented in BIOSIG2020.
  • Textdokument
    On the State of Post-Quantum Cryptography Migration
    (INFORMATIK 2021, 2021) Alnahawi,Nouri; Wiesmaier, Alexander; Grasmeyer, Tobias; Geißler, Julian; Zeier, Alexander; Bauspieß, Pia; Heinemann, Andreas
    Safeguarding current and future IT security from quantum computers implies more than the mere development of Post-Quantum Cryptography (PQC) algorithms. Much work in this respect is currently being conducted, making it hard to keep track of the many individual challenges and respective solutions so far identified. In consequence, it is difficult to judge, whether all (known) challenges have been sufficiently addressed, and whether suitable solutions have been provided. We present results of a literature survey and discuss discovered challenges and solutions categorized into different areas and utilize our findings to evaluate the state of readiness for a full scale PQC migration. We use our findings as starting point to initiate an open community project in the form of a website to keep track of the ongoing efforts and the state of the art in PQC research. Thereby, we offer a single entry-point for the community into the subject reflecting the current state in a timely manner.