Varun Madathil

Co-authored papers

2024

• Jäger: Automated Telephone Call Traceback

  Proceedings of the ACM Conference on Computer and Communications Security

  David Adei, Varun Madathil, Sathvik Prasad, Bradley Reaves, and Alessandra Scafuro

  DOI PDF Code

  A cryptographic protocol automates abusive phone call traceback in seconds while preserving caller privacy and carrier trade secrets.

2021

• Anonymous device authorization for cellular networks

  Proceedings of the ACM Conference on Security and Privacy in Wireless and Mobile Networks

  Abida Haque, Varun Madathil, Bradley Reaves, and Alessandra Scafuro

  DOI PDF

  RSA accumulators enable 5G devices to prove they aren’t stolen without revealing their permanent equipment identifier with only modest overhead.