Thanks to those who responded. Here was the catch - looks like PGP is
barfing on the secret key checksum:
--simple-sk-checksum
Secret keys are integrity protected by using a
SHA-1 checksum. This method will be part of an
enhanced OpenPGP specification but GnuPG already
uses it as a countermeasure against certain
attacks. Old applications don't understand this
new format, so this option may be used to switch
back to the old behaviour. Using this this option
bears a security risk. Note that using this
option only takes effect when the secret key is
encrypted - the simplest way to make this happen
is to change the passphrase on the key (even
changing it to the same value is acceptable).
So doing the following worked:
gpg --simple-sk-checksum --edit-key [key id]
Command> passwd
Re-enter password to rewrite it to the database
Command> save
> On Friday, October 18, 2002, at 12:07 PM, Evil Monkey wrote:
>
> > I've been playing around with PGP and have found something kooky. I'm
> > curious if y'all have seen the same thing and might be able to offer
> > some
> > explaination:
> >
> > - I can create a key pair with the PGP tools for Windows. I can use
> > this
> > key pair to successfully encrypt and decrypt on the box I created it.
> > I can
> > export this keypair, and import it into gnugpg on a slackware box and
> > successfully use it to encrypt and decrypt things.
> >
> > - I can create a keypair with gnugpg on the slackware box. I can use
> > this
> > key pair to successfully encrypt and decrypt things on that box. I can
> > export the key pair and import it into the pgp tools on a windows box.
> > However when I try to encrypt or decrypt with that keypair it barfs on
> > the
> > passphrase. With an older version of the pgp tools it claimed the
> > passphrase was incorrect. With the most current version it claims the
> > passphrase doesn't exist and won't let me do a thing. On the newest
> > version
> > of pgp tools, if I check out the key's properties and attempt to
> > change the
> > passphrase it says the passphrase I've entered is incorrect.
> >
> > Any ideas as to the cause of this?
> >
> > Pete
> >
>
>
