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@dangerzone is an open source app that uses container sandboxes to create a "virtual photocopy" of a document.
This is to protect journalists and others from malware & trackers that might be implanted in documents sent to them by someone pretending to be a confidential source.
We (@freedomofpress) are hiring a software developer on a 6 month contract to work on the project. Remote, $70/hour, >=3 years of Python dev experience.
More info here:
https://grnh.se/1d1255f45us
We like to think so ;-)
@eloquence @dangerzone @freedomofpress Whistleblower Reality Winner (real name!) was bust because of inconspicuous printer identifiers on the documents she photographed.
@eloquence @dangerzone @freedomofpress
there's a concept under the hood of the DataVerse repository project that creates a "fingerprint" hash of a file when it is saved into the repo. This can be checked to make sure the document has not been altered in the future. you can also ping Micah Altman at MIT, who came up with the algorithm. cheers.
https://guides.dataverse.org/en/latest/developers/unf/index.html
@eloquence @dangerzone @freedomofpress
Related to this: always pass documents you intend to publish through a couple layers of reformatting, ideally to raw pixels and back. Ideally to paper and back.
There are dozen ways to use Unicode and other digital encoding layers to watermark every digital copy of a file as unique, and companies / governments know how to use them to back-trace leaks to the source within their organization.
This. And document fingerprinting does not limit itself to the digital realm. There are other sneaky ways to introduce variations in a document, e.g., with rewordings. Here's a nice write-up on the subject:
https://theintercept.com/2022/12/15/elon-musk-leaks-twitter/