Russell Ballestrini
c76cb397ba
Three-layer defense for the mic-state channel: 1. Authenticity: send signs over 'mic-state|' + room_id + payload with the identity ed25519 key. Receivers verify against the member's roster pubkey (which the server tied to me.uuid at join time). Missing or invalid sig -> drop the message + log err line to telemetry. 2. Freshness: payload carries a wall-clock timestamp. Receivers reject anything older than 30s in either direction (covers clock drift). 3. Monotonicity: each peer's last-accepted timestamp is tracked on mm._micT; an old or equal-timestamp message is silently dropped, so a replay of a previously-valid mic-state can't reset state to a stale value. Pairs with signal 59ad814. |
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