Re: feature request for coreutils: b2sum

[Pádraig Brady]

On 09/10/16 21:28, Mike Hodson wrote:
> Hello folks,
> 
> At the risk of going somewhat offtopic of this list, however, as this
> is the one point of continual reference I have to the Blake2 hash in
> common use (I am always interested in learning the new features of
> Coreutils and have been a list reader for years now) I must pose the
> question:
> 
> Due to md5's easy collision faults, when will the md5 algorithm be
> -removed- from coreutils / other security implementations, to prevent
> this sort of well-intentioned badness? When will "md5sum" spit out a
> string "DO NOT USE THIS ANYMORE" instead of actually working as
> historically was the case?

We warn about md5 inadequacies in the info page:
http://www.gnu.org/software/coreutils/md5sum
and in the bugs section of the man page:
http://man7.org/linux/man-pages/man1/md5sum.1.html#BUGS

I'm not sure it's worth going further at present.

thanks,
Pádraig