Carol,
Once upon a time we tested what was then Candle's MQ Secure. When it was first set up
it worked great. But it had a problem queue where it would dump messages it could
not decrypt. After it had been running a while, suddenly about a fourth of the
messages started dumping to the
Carol,
I implement PGP, using a trigger driven process as the encryption. It
basically uses the name of the queue as a lookup into an MQSQL table and
gets the key id and target queue name back.
It never fails and has been running non stop for 3 years, and encrypts a few
messages a second in busy