Matilda Backendal

Peer-reviewed papers

  1. A Formal Treatment of End-to-End Encrypted Cloud Storage
    M. Backendal, H. Davis, F. Günther, M. Haller, and K.G. Paterson
    44th Annual International Cryptology Conference (CRYPTO 2024)
    Lecture Notes in Computer Science, Volume 14921, pp. 40-74, Springer, Aug. 2024
    Talk at CRYPTO

  2. MFKDF: Multiple Factors Knocked Down Flat
    M. Scarlata, M. Backendal, and M. Haller
    33rd USENIX Security Symposium (USENIX 2024)

  3. Share with Care: Breaking E2EE in Nextcloud
    M. Albrecht, M. Backendal, D. Coppola, and K.G. Paterson
    IEEE European Symposium on Security and Privacy 2024 (Euro S&P 2024)

  4. When Messages Are Keys: Is HMAC a Dual-PRF?
    M. Backendal, M. Bellare, F. Günther, and M. Scarlata
    43rd Annual International Cryptology Conference (CRYPTO 2023)
    Lecture Notes in Computer Science, Volume 14083, pp. 661–693. Springer, Aug. 2023
    Talk at CRYPTO

  5. MEGA: Malleable Encryption Goes Awry
    M. Backendal, M. Haller, and K.G. Paterson
    44th IEEE Symposium on Security and Privacy (SP 2023)
    pp. 146-163. IEEE, May 2023
    Distinguished paper award

  6. Puncturable Key Wrapping and Its Applications
    M. Backendal, F. Günther, and K.G. Paterson
    28th International Conference on the Theory and Application of Cryptology and Information Security (ASIACRYPT 2022)
    Lecture Notes in Computer Science, Volume 13792, pp. 651–681. Springer, Dec 2022.

  7. The Fiat-Shamir Zoo: Relating the Security of Different Signature Variants
    M. Backendal, M. Bellare, J. Sorrell, and J. Sun
    Secure IT Systems - 23rd Nordic Conference (NordSec 2018)
    Lecture Notes in Computer Science, Volume 11252, pp. 154–170. Springer, Nov 2018

Articles

  1. End-to-End Encrypted Cloud Storage
    M. Backendal, M. Haller, and K.G. Paterson
    IEEE Security and Privacy (S&P Magazine)
    Volume 22, Issue 2, pp. 69-74, March-April 2024 DOI: 10.1109/MSEC.2024.3352788

Theses

Master thesis Puncturable Symmetric KEMs for Forward-Secret 0-RTT Key Exchange
M. Backendal, Lund University, Faculty of Engineering (LTH), June 2019