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authorEric Dumazet <edumazet@google.com>2019-03-27 22:40:33 +0300
committerDavid S. Miller <davem@davemloft.net>2019-03-28 00:29:26 +0300
commitdf453700e8d81b1bdafdf684365ee2b9431fb702 (patch)
treecb7ea20a23956471c8362fd5d687822fd3ecc5cf /tools
parent180a8c3d5dad5862b2f19727b363069bfecb26d8 (diff)
downloadlinux-df453700e8d81b1bdafdf684365ee2b9431fb702.tar.xz
inet: switch IP ID generator to siphash
According to Amit Klein and Benny Pinkas, IP ID generation is too weak and might be used by attackers. Even with recent net_hash_mix() fix (netns: provide pure entropy for net_hash_mix()) having 64bit key and Jenkins hash is risky. It is time to switch to siphash and its 128bit keys. Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Amit Klein <aksecurity@gmail.com> Reported-by: Benny Pinkas <benny@pinkas.net> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools')
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