Re: [CRYPTO] obfuscating kernel pointers

[Dan Rosenberg <drosenberg@vsecurity.com>]

> > 
> adding a consistent random value to a your void * pointers sounds like a fine
> solution to the problem, then.  As long as you use the same random value for the
> lifetime of the system, that will give you consistent values.  And you have to
> use the same random input consistently to have consistent output on multiple
> concatinations of the same file anyway.  This also has the advantage of not
> having to do a crypto operation for every print/seq_sprintf/etc that contains a
> %p.
> 

The problem with that is the ease with which one could infer that random
value makes the whole thing pretty pointless.

-Dan