openwall / openwall/john

Add support for Woltlab Burning Board 4.x hashes

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#2,413 1 comment 0 reactions 0 assignees View on GitHub

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new format
Dominant language
C
Stars
13.6k
Forks
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PR merge metrics
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Description

See https://github.com/WoltLab/WCF/blob/master/wcfsetup/install/files/lib/util/PasswordUtil.class.php for details.

The new algorithm is "double salted bcrypt hash".

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 reading the linked WoltLab PasswordUtil.class.php to understand the double salted bcrypt hash algorithm. Then locate the corresponding hash-format entry and tests in John the Ripper; done means the format is recognized and validated against suitable WoltLab hash examples.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
cryptography, 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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