Christian Gick 230c083b7b fix(e2ee): revert incorrect HKDF patch, remove pre-ratcheting ...

The HKDF sed patch in Dockerfile was wrong — it swapped salt/info
based on incorrect analysis of minified JS. The original Rust FFI
parameters are correct: salt="LKFrameEncryptionKey", info=[0;128].

Also removed Python-side HMAC pre-ratcheting of keys. Element Call
uses explicit key rotation via Matrix events, not HMAC ratcheting.

Added diagnostic logging to trace exact key bytes during E2EE setup.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-02-22 21:44:11 +02:00

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