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Timeline for Secure randomized data matching?

Current License: CC BY-SA 3.0

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Feb 6, 2016 at 13:32 vote accept gronnbeck
Feb 6, 2016 at 5:24 answer added David Cary timeline score: 1
Feb 4, 2016 at 15:52 answer added poncho timeline score: 1
Feb 4, 2016 at 14:28 comment added user991 crypto.stackexchange.com/q/9183/991 ​ ​
Feb 4, 2016 at 14:27 comment added gronnbeck Correct @GuutBoy
Feb 4, 2016 at 14:16 comment added Guut Boy E.g., are you looking for a $C$ such that $c = C(x, s)$ does not reveal information on $x$?
Feb 4, 2016 at 14:14 comment added Guut Boy Slightly so, still it is not clear what is the need for cryptography. Now you defining $C(x,s) = x$ and $M(x,y) = (x == y)$ and still answer your question. Again I do not think that is what you are looking for. You need to specify what properties you are looking for in $M$ and $C$.
Feb 4, 2016 at 14:06 comment added gronnbeck Made some changes @GuutBoy. Is it clearer?
Feb 4, 2016 at 14:06 history edited gronnbeck CC BY-SA 3.0
added 82 characters in body
Feb 4, 2016 at 13:59 comment added Guut Boy I mean taking your question literally it is very easy to construct $M$ and $C$. Simply let $M$ be the function that always outputs "true" and let $C$ be whatever you like. Somehow I think this is not what you are looking for though.
Feb 4, 2016 at 13:59 comment added gronnbeck Thank you for the edit SEJPM. The essence is the same but much clearer.
Feb 4, 2016 at 13:57 comment added Guut Boy It is not really clear what it is you want to do. What is the security requirement? What would you like to protect? What is the general setting here?
Feb 4, 2016 at 13:37 comment added SEJPM It may be possible to modify / cache / pre-compute some (parts of) solutions to the socialist millionaire's problem for each entry and your entry given at hand. But I honestly don't know if this is possible -> no answer.
Feb 4, 2016 at 13:26 comment added SEJPM I have edited your question. I've exchange your use of italic with $\LaTeX$, reformulated your last sentence and changed the title hoping to make it more clear to others what this question is about. If you feel I made a mistake, please edit again (or roll-back)
Feb 4, 2016 at 13:25 history edited SEJPM CC BY-SA 3.0
added LaTeX code, fixed some minor typos, changed title to better represent content
Feb 4, 2016 at 13:11 review First posts
Feb 4, 2016 at 15:19
Feb 4, 2016 at 13:10 history asked gronnbeck CC BY-SA 3.0