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The seems rather redundant - isn't almost all cryptography related to security?

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  • $\begingroup$ Looks pretty useless to me $\endgroup$ – CodesInChaos Jul 26 '12 at 18:56
  • $\begingroup$ I don't think queuing edits(as a low rep user) just to remove this tag is a good idea. $\endgroup$ – CodesInChaos Jul 27 '12 at 9:40
  • $\begingroup$ @CodesInChaos OK. $\endgroup$ – Inkbug Jul 27 '12 at 10:15
  • $\begingroup$ @Inkbug: In general, when you are editing a post (question or answer), try to fix as much issues as possible at once. If someone has to look at your edit to approve it, make it count. $\endgroup$ – Paŭlo Ebermann Jul 27 '12 at 14:53
  • $\begingroup$ @PaŭloEbermann Ok. Thanks for the tip! $\endgroup$ – Inkbug Jul 29 '12 at 6:41
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The problem of this tag is that it is used quite unspecific. In the wider sense, almost everything on this site relates to security, thus it is useless here.

In a less wide sense, one often speaks of a $n$-bit security of some primitive or protocol, meaning that an attacker needs at least $2^n$ steps of work to break it. It could be useful this way (and in the past, I left out these usages when removing the tag from other questions), but it would need a good tag wiki for this, as well as some discipline (or regular supervision) to make sure it is not used when not appropriate.

Could we find a better tag name for this second (maybe valid) usecase, so we can ban the general one?

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    $\begingroup$ Perhaps [security-level] or [work-factor] $\endgroup$ – CodesInChaos Jul 28 '12 at 7:52
  • $\begingroup$ I suggest concrete-security. @CodesinChaos's suggestions are reasonable too. $\endgroup$ – D.W. Jul 29 '12 at 22:39
  • $\begingroup$ @CodesInChaos: Did you find/use a replacement tag for the valid use cases, or did you (and others) just remove the existing ones? (Sorry, I didn't follow the progress too close.) $\endgroup$ – Paŭlo Ebermann Sep 6 '12 at 17:13
  • $\begingroup$ @PaŭloEbermann I don't remember running into any questions where it was useful, but perhaps I missed some. $\endgroup$ – CodesInChaos Sep 6 '12 at 18:06
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This tag looks useless to me. I've started to detag a few of the questions which have this tag.

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