linuxboot / linuxboot/heads

Streamline verification of root hashes, please

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#1,872 3 comments 0 reactions 0 assignees View on GitHub

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Dominant language
Makefile
Stars
1.6k
Forks
211
Avg merge
4d 21h
Merged PRs (30d)
6

Description

**Is your feature request related to a problem? Please describe.**
When selecting the option to verify root fs hashes user is asked to enter disk tpm unlock password. After hashes are verified user is again asked for disk tpm unlock password to boot.

**Describe the solution you'd like**
The verify root hashes is a nice feature, but cumbersome to use because of the need to enter the disk unlock password twice. It would be much better to do the disk unlock once and then verify hashes and boot without needed to lock/unlock again.

**Describe alternatives you've considered**
At the moment the alterternative is to not use the verify root hashes feature.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by tracing the root-hash verification flow and the subsequent boot path described in the issue, focusing on where the disk unlock password is requested. Reproduce the verification-and-boot sequence and identify how one unlock can remain available; done means hashes are verified and the system boots after a single password entry.

Written by the indexing model from the issue text.

Assessment

Tech stack
linux
Domain
operating-systems, security
Issue type
Feature
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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