> Even if they do the work to publish iMessage updates for the old iOS versions it just buys a little time before the new version gets reverse engineered
There's probably a cliff in complexity. Once Apple starts requesting signed attestations from the secure enclave on the devices that have one, it's game over.
They probably don't just yet, since still too many people use iMessage on first-party clients that don't have one, e.g. Intel laptops without a T1 or T2.
There's probably a cliff in complexity. Once Apple starts requesting signed attestations from the secure enclave on the devices that have one, it's game over.
They probably don't just yet, since still too many people use iMessage on first-party clients that don't have one, e.g. Intel laptops without a T1 or T2.