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Security Analysis of the WhatsApp End-to-End Encrypted Backup Protocol
June 6, 2023, 9:43 a.m. |
IACR News www.iacr.org
ePrint Report: Security Analysis of the WhatsApp End-to-End Encrypted Backup Protocol
Gareth T. Davies, Sebastian Faller, Kai Gellert, Tobias Handirk, Julia Hesse, Máté Horvárth, Tibor Jager
WhatsApp is an end-to-end encrypted (E2EE) messaging service used by billions of people. In late 2021, WhatsApp rolled out a new protocol for backing up chat histories. The E2EE WhatsApp backup protocol (WBP) allows users to recover their chat history from passwords, leaving WhatsApp oblivious of the actual encryption keys. The WBP builds upon …
analysis backup e2ee encrypted encrypted backup end end-to-end eprint report messaging people protocol report security security analysis service whatsapp
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