What changed, and why it matters
This commit only adds two new digital signature files for an already-released firmware version (9.26.1). These signatures are used by independent builders to publicly attest that they reproduced the official firmware exactly from source code. No code, no firmware binary, and no behavior of the device changed. There is nothing here that could affect security of the BitBox02 itself.
No action required. This is a normal release-attestation commit. Reviewers may optionally verify the signatures against the published public keys and firmware hashes if they participate in the reproducible-build assertion process.
Security signals we found
No strong security signals were identified.
Evidence from the diff
The commit adds two assertion signature files under releases/firmware-v9.26.1/: assertion-bitbox02-btc-nickez.sig and assertion-bitbox02-multi-nickez.sig. They are binary signature files (likely GPG or minisign) created by a reproducible-build attester named ‘nickez’. The diff shows only file additions with no textual content and no modifications to source code, build system, or firmware metadata. This is a routine reproducible-build attestation step.
Changed components
Inspect captured patch +0 / −0
diff --git a/releases/firmware-v9.26.1/assertion-bitbox02-btc-nickez.sig b/releases/firmware-v9.26.1/assertion-bitbox02-btc-nickez.sig
new file mode 100644
index 0000000..e8c206a
Binary files /dev/null and b/releases/firmware-v9.26.1/assertion-bitbox02-btc-nickez.sig differ
diff --git a/releases/firmware-v9.26.1/assertion-bitbox02-multi-nickez.sig b/releases/firmware-v9.26.1/assertion-bitbox02-multi-nickez.sig
new file mode 100644
index 0000000..025c600
Binary files /dev/null and b/releases/firmware-v9.26.1/assertion-bitbox02-multi-nickez.sig differ
Why this scored 15/100
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