Web: https://iacr.org/news/item/19109

Sept. 14, 2022, 1 a.m. |

IACR News iacr.org

ePrint Report: Continuous Authentication in Secure Messaging

Benjamin Dowling, Felix Günther, Alexandre Poirrier

Secure messaging schemes such as the Signal protocol rely on out-of-band channels to verify the authenticity of long-running communication. Such out-of-band checks however are only rarely actually performed by users in practice.

In this paper, we propose a new method for performing continuous authentication during a secure messaging session, without the need for an out-of-band channel. Leveraging the users' long-term secrets, our Authentication Steps extension guarantees authenticity …

authentication continuous eprint report messaging secure messaging

Cybersecurity Engineer

@ Apercen Partners LLC | Folsom, CA

IDM Sr. Security Developer

@ The Ohio State University | Columbus, OH, United States

IT Security Engineer

@ Stylitics | New York City

Information Security Engineer

@ VDA Labs | Remote

Information Security Analyst

@ Metropolitan Transportation Commission | San Francisco, CA

Director of Security Operations, CISO office

@ Okcoin | San Jose, California, United States

Systems Security Engineer

@ Synctera | Canada or US Remote

Cyberark Senior Consultant I | Remote, Canada

@ Optiv | Toronto, ON

Privacy & Cybersecurity Counsel

@ Brightspeed | Charlotte, NC, United States

Sr/Staff Threat Researcher

@ SecurityScorecard | Remote (US/Canada)

Consultant SOC / CERT H/F

@ Hifield | Sèvres, France

SOC Analyst

@ Starling Bank | Southampton, England, United Kingdom