That's not the point! Signal is tying phone number to an IM identity. There is no need for that other then offering non-federated trackinghttps://twitter.com/whispersystems/status/807646087452364802 …
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OK! Now can these truncated hashes be inverted back into telephone numbers?
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@thorsheim@whispersystems@letoams Of course they can. -
Thanks,
@matthew_d_green that was my point.@thorsheim@whispersystems@letoams -
Forgive my ignorance, arent trunc'd hashes supposed to induce collisions to make invert hard?
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Rather than all kinds of speculation about what the security properties *might* be maybe
@whispersystems tells us? -
Hard to talk technical on twitter. Maybe jump on the community forums or mailing list? Happy to discuss.
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Just cut out the "we don't store a graph" nonsense alright? It's getting out of hand.
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We've made intentional decisions so that nothing needs to be stored. Glad we did:https://whispersystems.org/bigbrother/eastern-virginia-grand-jury/ …
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