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Mar 3, 2016 at 18:45 comment added edameater Thank you for the format changes @otus I could not get it right.
Mar 3, 2016 at 18:37 comment added edameater The purpose of the salt change is unfortunately regulatory. Making the keys depend on the previous one is an interesting idea too
Mar 3, 2016 at 7:37 comment added otus What is the purpose of the salt change? You can get away with only storing one salt if you make the successive salts depend on each other. Even $k_n = k_{n-1}+1$ or if the old salt must be deleted for good then $k_n = H(k_{n-1})$.
Mar 3, 2016 at 7:35 history edited otus CC BY-SA 3.0
deleted 23 characters in body; edited tags; edited title
Mar 3, 2016 at 6:31 comment added edameater Our client does, but their clients do not. Their clients may be clients of many of our clients. Our client's not wanting to process their clients keys is why they use our service, but we need to be able to identify patterns of key use across multiple clients in order to protect our clients from misuse of keys.
Mar 3, 2016 at 5:09 answer added poncho timeline score: 1
Mar 2, 2016 at 22:26 comment added Azarinak Does the client not have a publicly known id which you can use? Are you trying to identify a client with a salted hash?
Mar 2, 2016 at 21:07 review First posts
Mar 3, 2016 at 7:37
Mar 2, 2016 at 21:04 history asked edameater CC BY-SA 3.0