Jason A. Donenfeld <Jason@xxxxxxxxx> wrote: > > Siphash needs a random secret key, yes. The point is that the hash > function remains secure so long as the secret key is kept secret. > Other functions can't make the same guarantee, and so nervous periodic > key rotation is necessary, but in most cases nothing is done, and so > things just leak over time. Actually those users that use rhashtable now have a much more sophisticated defence against these attacks, dyanmic rehashing when bucket length exceeds a preset limit. Cheers, -- Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt -- To unsubscribe from this list: send the line "unsubscribe linux-crypto" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
