Patch to discourage unencrypted key generation

[John Hawkinson]

Alex Bligh <alex at alex.org.uk> wrote on Fri, 31 May 2013
at 16:41:53 +0100 in <25BCBFD2-791A-4B1E-9182-A87FD75B8BAD at alex.org.uk>:

> Would isatty(0) be reasonable to determine whether prompting should be used?

I don't think so. This just makes it hard to debug scripts and hard to
write them.

This kind of "trickery" causes more trouble than it solves.

--jhawk at mit.edu
  John Hawkinson