>>>>> "Anthony" == Anthony Green <green@xxxxxxxxxx> writes: Anthony> But it still doesn't work because cryptix.CryptixProperties Anthony> can't find the Cryptix.properties file. Perhaps this never Anthony> worked. It's required, in any case, since that file defines Anthony> the mapping between the PKCS5Padding alias and the class that Anthony> implements it. If anybody has insight into how this is Anthony> supposed to work... well, that would be a great xmas present Anthony> :-) Try running "java cryptix.CryptixProperties" to see what Anthony> I mean. For what it's worth, Sun's JRE can't find it either, Anthony> so cryptix and/or JPackage is likely to blame. Security providers have to be listed in classpath.security. For FC, see the script 'rebuild-security-providers'... put a file in /etc/java/security/security.d and then re-run the script. Tom