1. The Project UNICORE Web Page.
http://www.kfa-juelich.de/zam/RD/coop/unicore
2. The Project UNICORE Plus Web Page.
http://www.kfa-juelich.de/zam/RD/coop/unicoreplus
3. Java(TM) Cryptography Extension (JCE).
http://java.sun.com/jce
4. Institute for applied Information Processing and Communications.
http://jcewww.iaik.tu-graz.ac.at
5. Policy Certification Authority (PCA).
http://www.cert.dfn.de/eng/dfnpca