TPM vs Secure Element (SE)
| Aspect | TPM | Secure Element |
|---|---|---|
| Standardization | Very high | Medium |
| PC / Windows support | Native | Limited |
| IoT friendliness | Medium | High |
| Cost | Medium | Low to medium |
| Typical use | PCs, gateways | IoT, wearables |
TPM vs TrustZone
| Aspect | TPM | TrustZone |
|---|---|---|
| Physical isolation | Yes | No |
| Cost | Extra chip | Free (SoC feature) |
| Attack resistance | Very high | Medium |
| Certification | Easier | Harder |
| In many products you see TrustZone + Secure Element, skipping TPM. |
Infenion is market leader.
It is required for Windows 11
Using a TPM adds:
- Driver integration
- TPM middleware (TPM2-TSS)
- Manufacturing key injection process
- Provisioning and lifecycle planning