lf-edge/eve

Prompt user to perform TPM Clear in EVE Installer

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#4,952 opened on Jun 10, 2025

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enhancementgood first issuehacktoberfest

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Description

The EVE installer should prompt the user to perform a TPM clear operation during installation. Without this, EVE may reuse the existing device key stored in the TPM (specifically if BIOS is missing the option to clear TPM), which can cause onboarding issues such as duplicate device entries.

Problem Description

When a user re-images a device without clearing the TPM and hasn't removed the previous device configuration from the controller, EVE may reuse the existing device key in TPM. This can lead to:

  • Duplicate devices appearing in the controller
  • Onboarding failures or inconsistent behavior

Suggested Action

Update the EVE installer to:

  • Detect if a TPM is present
  • Prompt the user to clear the TPM if a device key already exists
  • Optionally, provide a warning or short explanation of the consequences of not doing so

Contributor guide

Research direction
Explore the EVE installer codebase, locate where TPM is handled and where user prompts occur. Investigate how to detect TPM presence and existing device keys, and determine the appropriate method to clear TPM for different platforms.
Tech stack
goshell
Domain
backenddevopssecurity
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
GoTPMInstaller development
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
40