Hello libtommath upstream cannot reproduce this problem.
Could you try to build heimdal with a more recent version of libtommath ? (like the version that packaged in Debian) All the best -- https://github.com/dod38fr/ -o- http://search.cpan.org/~ddumont/ http://ddumont.wordpress.com/ -o- irc: dod at irc.debian.org