Ecryption key ratcheting dev tools #3214
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Do we want this in the v0.10.0 release to make it possible to introduce ratcheting without breaking compatibility with v0.10.0? |
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@BillCarsonFr from the testing today this seems to still be a okay idea right? |
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This sets the ratchedWindowSize to >0 so the livekit client will try to ratchet keys before logging a unable to decrypt error.
It also exposes a ratchet button in the developer ui. Clients that do not support the ratched window > 0 will fail to decrypt once that button is pressed.
Supporting clients will jump to the next index.
This is a first step to support ratcheting and explore how it would work.
Since this just improves our devtools with a potentially helpful feature, we can consider merging it even though its mostly intended as a test.
A finding is, that the key material is
extractable: falseso we need to see if there is a solution how we could send the derived keys from the ratcheting to new joiners if we cannot extract it from the matrerial...