Decoy Password to break the authentication header of the disk (Full Disk Encryption)

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Assessment

Difficulty
5/5
Estimated time
Over a week
Newbie friendliness
25/100
Issue type
Feature
Clarity
Needs clarification
Activity status
Active
Tech stack
c

Research direction

The issue proposes a decoy password that destroys the backup header, but names no files, tests, or implementation details. Start by reading VeraCrypt’s documentation and existing system encryption and header recovery code to understand the security implications. Define the expected behavior and recovery safeguards before implementation; done would require a reviewed design and tests covering real and decoy passwords.

Written by the indexing model from the issue text.

Description

Desired behavior

  • Thug: Imput your password, now!
  • Geek: Okay okay! Hold on...
  • Inputting password: realpassworx
  • Shows "Booting..."
  • Thug: Come on! What's taking this so long!?
  • Geek: You know this is old PC right???
  • Geek: (Well the real password is "realpassword" and I set "realpassworx" as decoy, which destroys the backup header & you'll need VC ISO disk to recover it, bi*ch)

Screenshots/Mockup/Designs

Additional information

Your Environment

Please tell us more about your environment

VeraCrypt version: latest

Operating system and version: Windows

System type: 64-bit

Dominant language
C
Stars
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Forks
1.4k
Avg merge
1d 1h
Merged PRs (30d)
28

Getting set up

This project ships no dev container, Dockerfile or contributing guide, so setting up is up to you: start from its README, and see our first-contribution guide for the general steps.

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.

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