4 ms·

Pardon my ignorance, but it seems like there should be standard ways of irrevocably anonymizing data and reversible means given a private key. Off the top of m

Pardon my ignorance, but it seems like there should be standard ways of irrevocably anonymizing data and reversible means given a private key. Off the top of my head, only the latter is necessary if throwing away a random key for the previous to be equivalent (or run the plaintext through SHA-3 20 times in feedback instead.). Say 100 rounds of AES-256 in feedback. Fixed integer-only fields could be XORed with a private key of the length of the field (OTP). Any other ideas, please add a comment.

akiselev 7y ago
Yes, turning data into a bunch of (ideally) random bits using encryption is an effective way of annonimizing.
yoloClin 7y ago
Just because the primary key is gone doesn't mean other data can't be cross referenced. Birth dates with external sources, addresses with public registers, etc.