Phoenix Walletlatest release: 1.3.0 ( 20th January 2022 ) last analysed 1st October 2021 Not reproducible from source provided
Help spread awareness for build reproducibility
Please help us spread the word, asking Phoenix Wallet to support reproducible builds via their Twitter!
Do your own research!
Try out searching for "lost bitcoins", "stole my money" or "scammers" together with the wallet's name, even if you think the wallet is generally trustworthy. For all the bigger wallets you will find accusations. Make sure you understand why they were made and if you are comfortable with the provider's reaction.
The Analysis ¶
(Analysis from Android review)
Update 2022-01-24: The provided build instructions don’t work anymore as explained in this issue.
Update 2021-07-20: The provider appears to be working on a re-write of the app, so the former issue is not expected to get resolved on the old repository.
Here we test if the latest version can be verified, following the known procedure expressed in our test script:
fatal: Remote branch v1.4.2 not found in upstream origin
The provider failed to tag a revision with the latest version and the app therefore is not verifiable.
We could not verify that the provided code matches the binary!
As part of our Methodology, we ask:Is the published binary matching the published source code? If not, we tag it Unreproducible!
Published code doesn’t help much if it is not what the published binary was built from. That is why we try to reproduce the binary. We
- obtain the binary from the provider
- compile the published source code using the published build instructions into a binary
- compare the two binaries
- we might spend some time working around issues that are easy to work around
If this fails, we might search if other revisions match or if we can deduct the source of the mismatch but generally consider it on the provider to provide the correct source code and build instructions to reproduce the build, so we usually open a ticket in their code repository.
In any case, the result is a discrepancy between the binary we can create and the binary we can find for download and any discrepancy might leak your backup to the server on purpose or by accident.
As we cannot verify that the source provided is the source the binary was compiled from, this category is only slightly better than closed source but for now we have hope projects come around and fix verifiability issues.
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