We simply use MD5 to get a hash where collision probability is very small. There's no security implication, we don't use MD5 here to protect anything in a cryptographic sense. In fact we could probably use a faster algorithm with weaker collision properties for this, but MD5 is ok.
On Tue, Feb 17, 2015 at 11:57 PM, ashutosh jindal < [email protected]> wrote: > Hi All, > > I have seen that in hbase MD5 is used to generate hash e.g. to create > region name . In deployments MD5 is not considered good because of security > issues related to it. Can we use SHA-512 or make it configurable . Please > give your views. > > Regards, > Ashutosh Jindal > > -- Best regards, - Andy Problems worthy of attack prove their worth by hitting back. - Piet Hein (via Tom White)
