> Any non-broken secure messaging protocol should have this property Okay then, tell me how you could build a system that * Guarantees secure transmission of

> Any non-broken secure messaging protocol should have this property Okay then, tell me how you could build a system that * Guarantees secure transmission of public keys * Can be installed safely on a closed-source operating system * Is impervious to the whims of the hardware vendor or the operating system vendor * Is sufficiently straightforward that mums everywhere will happily use it * Doesn't require users to become security experts Given the practical realities Apple has to contend with, I think they've done a pretty good job -- certainly a lot better than what anyone could have expected, arguably a lot better than anything comparable that has come before it.