Principals What
- Microsoft Authenticode entrusts ActiveX controls based on: encrypted communication between machines; signed identity of the author(s); and a ësafe applet pledgeí certificate from MS and a ëcommercial sw publisherí certificate from Verisign/D&B
People Names
- An identity which persists across transactions; liable
Computers Addresses
- Limited lifetime; can only prove correct execution
Organizations Credentials
- Persistent lifetime; can link People & Computers