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'Key' here refers to the key in the mapping from external to internal userID. The whole point is that (as mentioned in a sibling comment) choosing an internal u
by sdenton4 9y ago
'Key' here refers to the key in the mapping from external to internal userID. The whole point is that (as mentioned in a sibling comment) choosing an internal user ID uniformly at random is equivalent to a one-time pad; it's guaranteed non-decryptable, unless you invent a time machine...
- robbiemitchell 9y agoIsn't there a distinction here, though? While they might result in a similar outcome, deletion is different from de-identification.