It's not surfaced in the UI but, as far as I recall, the information does actually reach the device already. Here's a paper [1] which dives into the cryptograph

It's not surfaced in the UI but, as far as I recall, the information does actually reach the device already. Here's a paper [1] which dives into the cryptography used in iMessage (at least whatever was used at time of publication). [1] https://www.cs.umd.edu/~imiers/pdf/imessage.pdf https://www.cs.umd.edu/~imiers/pdf/imessage.pdf