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authorLennart Poettering <lennart@poettering.net>2013-12-22 23:26:07 +0100
committerLennart Poettering <lennart@poettering.net>2013-12-23 04:20:55 +0100
commitb67f541f130cd4c55da0b74af5fcbb4daeca1937 (patch)
tree352c8765fbe42b43e575f938230974005537870c /src/update-utmp
parent57d0e6b2731ab695d14b7cf496832ba416cc43d3 (diff)
bus: switch kdbus bloom filter over to SipHash (from MurmurHash3)
Let's try to standardize on a single non-cryptographic hash algorithm, and for that SipHash appears to be the best answer. With this change there are two other hash functions left in systemd: an older version of MurmurHash embedded into libudev for the bloom filters in udev messages (which is hard to update, given that the we probably should stay compatible with older versions of the library). And lookup3 in the journal files (which we could replace for new files, but which is probably not worth the work).
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