| |Party| | |Closed Source Trust Required| | |Open Source Trust Required| |
| 1. Chip Hardware Description Language Developer | Yes | Yes |
| 2. Design Automation Software Developer | Yes | Yes |
| 2. Chip Foundry | Yes | Yes |
| 3. SE Vendors | Yes | Yes |
| 4. Firmware Developers | Yes | No |
| 5. Certification Bodies | Yes | Yes |