[Bro-Dev] [JIRA] (BIT-1016) Option to extend uids to 128 bit
Robin Sommer (JIRA)
jira at bro-tracker.atlassian.net
Tue Aug 27 12:48:00 PDT 2013
[ https://bro-tracker.atlassian.net/browse/BIT-1016?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Robin Sommer reassigned BIT-1016:
---------------------------------
Assignee: Jon Siwek
> Option to extend uids to 128 bit
> --------------------------------
>
> Key: BIT-1016
> URL: https://bro-tracker.atlassian.net/browse/BIT-1016
> Project: Bro Issue Tracker
> Issue Type: New Feature
> Components: Bro
> Affects Versions: git/master
> Reporter: rhave
> Assignee: Jon Siwek
> Priority: Low
> Fix For: 2.2
>
>
> Bro's uids are currently 64 bits, which makes them collide with a 50% chance after 5.1 x 10^9^ different uids (see http://en.wikipedia.org/wiki/Birthday_problem#Probability_table).
> I'm currently generating uuids of 128 bit to replace the native uids in bro, as I'm using them as keys in a database, but this requires rewriting of the bro-logs. I suspect that more people could benefit from an option to extend the uids to 128 bit.
> I've made a quick and dirty patch to change most of the uids to 128 bit (file_analysis uids are missing). The patch is ugly, and is only to show some of the functionality I would like: http://pastebin.com/GkaGejNc
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