Dev/Get Whonix Source Code
Contents
Get the Signing Key[edit]
This chapter is recommended for better security, but is not strictly required. (See Trust)
Download the key.
Check fingerprints/owners without importing anything.
Verify it shows the following.
pub 4096R/2EEACCDA 2014-01-16 Patrick Schleizer <adrelanos@riseup.net>
Key fingerprint = 916B 8D99 C38E AF5E 8ADC 7A2A 8D66 066A 2EEA CCDA
sub 4096R/CE998547 2014-01-16 [expires: 2016-10-05]
sub 4096R/119B3FD6 2014-01-16 [expires: 2016-10-05]
sub 4096R/77BB3C48 2014-01-16 [expires: 2016-10-05]
If it checks out, import the key.
It isn't safe to only get the signing key from one source for the download you want to verify. For better security, learn more about the Whonix Signing Key.
Get the Source Code[edit]
Install git and curl.
sudo apt-get install git curl
Get source code including git submodules (Whonix 13 / Jessie).
git clone --recursive https://github.com/Whonix/Whonix
Get source code including git submodules (Whonix 14 / Stretch), which is faster than the above command.
git clone --jobs=200 --recursive https://github.com/Whonix/Whonix
Remember it is Whonix, not whonix! If prompted for a username for github, you have mistyped the web address.
Shift to the source folder.
cd Whonix
OpenPGP Verify the Source Code[edit]
This chapter is recommended for better security, but is not strictly required.[1]
Retrieve a list of available git tags.
git tag
Verify the chosen tag to build.
## ... Replace with tag you want to build. git verify-tag 13.0.0.1.4-stable
The output should look similar to this.
object 1844108109a5f2f8bddcf2257b9f3675be5cfb22 type commit tag 13.0.0.1.4 tagger Patrick Schleizer <adrelanos@riseup.net> 1392320095 +0000 . gpg: Signature made Thu 13 Feb 2014 07:34:55 PM UTC using RSA key ID 77BB3C48 gpg: Good signature from "Patrick Schleizer <adrelanos@riseup.net>" [ultimate]
 | Check the GPG signature timestamp makes sense. For example, if you previously saw a signature from 2017 and now see a signature from 2016, then this might be a targeted rollback (downgrade) or indefinite freeze attack. [2] |
The warning.
gpg: WARNING: This key is not certified with a trusted signature! gpg: There is no indication that the signature belongs to the owner.
Is explained on the Whonix Signing Key page and can be safely ignored.
By convention, git tags should point to signed git commits. [3] (forum discussion) It is advisable to verify the signature of the git commit as well (replace 13.0.0.1.4 with the actual git tag being verified).
git verify-commit 13.0.0.1.4-stable^{commit}
The output should look similar to this.
commit 5aa1c307c943be60e7d2bfa5727fa5ada3a79c4a
gpg: Signature made Sun 07 Dec 2014 01:22:22 AM UTC using RSA key ID 77BB3C48
gpg: Good signature from "Patrick Schleizer <adrelanos@riseup.net>" [ultimate]
Author: Patrick Schleizer <adrelanos@riseup.net>
Date: Sun Dec 7 01:22:22 2014 +0000
.
Choose Version[edit]
Use git checkout to select the preferred version (or git branch) to build.
In order to build a specific git tag.
git checkout 13.0.0.1.4-stable
Replace 13.0.0.1.4 with the actual version chosen for the build: the stable, testers-only or developers version. Common sense is required when choosing the right version number. For example, the latest available version number is not necessarily the most stable or suitable. To learn more about current Whonix versions, follow the Whonix News Blog.
Clean Up and Sanitize[edit]
This step is also important for security.
Retrieve the list of extraneous files and folders. [4]
git clean -ndff
See if the output looks sane; it generally should, unless Whonix source code is modified by advanced users (who understand git better anyhow). If the output looks like the following, everything is fine.
Would remove packages/apparmor-profile-gwenview/ Would remove packages/kde-privacy/
Remove these folders.
git clean -dff
The output should show.
Removing packages/apparmor-profile-gwenview/ Removing packages/kde-privacy/
Be sure to check out the right commit for each git submodule.
git submodule update --init --recursive
Check there are no extraneous files. This is important for security.
git status
The output should show the following:
nothing to commit (working directory clean)
If the directory is not clean, the extra files should be removed first.
Please help in testing new features and bug fixes in Whonix.
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This is a wiki. Want to improve this page? Help is welcome and volunteer contributions are happily considered! See Conditions for Contributions to Whonix, then Edit! IP addresses are scrubbed, but editing over Tor is recommended. Edits are held for moderation.
Whonix (g+) is a licensee of the Open Invention Network. Unless otherwise noted, the content of this page is copyrighted and licensed under the same Libre Software license as Whonix itself. (Why?)- ↑ See Trust.
- ↑ As defined by TUF: Attacks and Weaknesses:
- ↑ Beginning from git tag 9.6 and above.
- ↑ There is currently a small issue with this process (a limitation of git).