tree a67bc0517b2661ab3068db4878c01a82cd27d847
parent 043b28171410805f32378658e647fdb2917db361
author Gilles Peskine <Gilles.Peskine@arm.com> 1568308829 +0200
committer Gilles Peskine <Gilles.Peskine@arm.com> 1568308897 +0200

Remove special handling for zero-length keys

Zero-length keys are rejected at creation time, so we don't need any
special handling internally.

When exporting a key, we do need to take care of the case where the
output buffer is empty, but this is easy: an empty output buffer is
never valid.