1. Housley, R., Polk, T.: Planning for PKI: Best Practices Guide for Deploying Public Key Infrastructure. Willey Computer Publishing, Chichester (2001)
2. Watt, J., Sinnott, R.O., Stell, A.J.: Dynamic privilege management infrastructures utilising secure attribute exchange (2005)
3. Chadwick, D.W.: An X.509 Role-based Privilege Management Infrastructure (2001)
4. Chadwick, D.W., Otenko, A.: The PERMIS X.509 role based privilege management infrastructure. Future Gener. Comput. Syst. 19(2), 277–289 (2003)
5. OASIS eXtensible Access Control Markup Language (XACML) Version 2.0 [Specification] (2005)