What changed, and why it matters
This commit only updates the release signature file (signatures.txt) for the COLDCARD firmware. It adds two new file hashes for a Q1 hardware model firmware release (version 1.3.4Q) and refreshes the PGP signature that covers the entire file. There are no code changes, no bug fixes, and no security-related content in the commit message or diff.
No action required. Treat as routine release metadata maintenance.
Security signals we found
No strong security signals were identified.
Evidence from the diff
The diff modifies releases/signatures.txt by appending SHA-256 hashes for two new DFU files (2025-09-30T1237-v1.3.4Q-q1-coldcard.dfu and its factory variant) and updating the detached PGP signature over the file. The signature key ID and format remain consistent with prior releases. No source code, build scripts, cryptographic logic, or documentation describing vulnerabilities were altered.
Changed components
releases/signatures.txtInspect captured patch +10 / −8
diff --git a/releases/signatures.txt b/releases/signatures.txt
index c48427e..dd5cbe1 100644
--- a/releases/signatures.txt
+++ b/releases/signatures.txt
@@ -7,6 +7,8 @@ Hash: SHA256
13569699323108af074af0e9ea478f75d1795ac5f5ebcbd0b988d9db63e86a5d History-Mk4.md
c8ad43b4e3f9d77777026da6d1210c6fc5cfe435bcfcd241c0f67c9392ad7b82 History-Mk3.md
92a66ffc86517430f2f699a2c7177d2567fa7ba26cf45cb35e57535397b80813 ChangeLog.md
+bc9918968b67fefe634342c77513c9c354e7821e9ff002c7e5c8c356d7507892 2025-09-30T1237-v1.3.4Q-q1-coldcard.dfu
+00cb1fc2ef360aacf48ba8c9dd2167b3f5c5f1241ba1b2b17d61ea1b7bff0a45 2025-09-30T1237-v1.3.4Q-q1-coldcard-factory.dfu
be166b3bb3ec2259991db998c20c3d44e88eeaa73c2b8114f31cb14cab5e66e6 2025-05-14T1344-v5.4.3-mk4-coldcard.dfu
876932d4ea7634d268145d5bf45577c7198c9d60e8a271b5079faba4d4c91acd 2025-05-14T1344-v5.4.3-mk4-coldcard-factory.dfu
aaed0b90be5de310c8ac9f2d0cb3a7eea58923a53d349eb4b9ac8a902e5cba4e 2025-05-14T1343-v1.3.3Q-q1-coldcard.dfu
@@ -109,12 +111,12 @@ f05bc8dfed047c0c0abe5ed60621d2d14899b10717221c4af0942d96a1754f33 2021-03-29T192
bea27f263b524a66b3ed0a58c16805e98be0d7c3db20c2f7aab3238f2c6a6995 2019-12-19T1623-v3.0.6-coldcard.dfu
-----BEGIN PGP SIGNATURE-----
-iQEzBAEBCAAdFiEERYl3mt/BTzMnU06oo6MbrVoqWxAFAmjbzqMACgkQo6MbrVoq
-WxB5kQgAgJhry88BlkESZrA2XMLkqNJy4iiFuE/uqrCgJFJBJ1v9rnISG4Z60j8f
-/9lCi8RZHh5qbRc0+gDkSpbPKBX+peC8XWLl9WKLCackuuxqDLvUEXhKWfdh5EPF
-uocMqCZIOSMKo+Ja+c8eBYqcAqe8AiAGb96qoo0hInKrlOLeItizUEw9mLSoIu3S
-XErI4Sg+iLa39qbDzqUr1ttxl9EyTDU1gclhJNFkM5InPip6KIqt0367HJ2Gxz9F
-FwOSrS01D893RerQvp90J9Q8Y7EgxvAPNLDuohT+dOAAvPW4x4aYDGlEt4Ls6XkK
-Ve3yBWHWhenwJzPqi/ffBG4cP1zMTg==
-=Un0P
+iQEzBAEBCAAdFiEERYl3mt/BTzMnU06oo6MbrVoqWxAFAmjbzw4ACgkQo6MbrVoq
+WxCGiwgApso/tSy7+btKK9Hb/GrazBWafwMoxHNizsM+3F8sN+aEjkXCh/lUrH9c
+GCeTloKVqqd1wBhTuzdWkBZ43Wx63ro+ReKzcjGDFnNujy4Jn1VvEqLUuFywL/9c
+Ky6G187/3sQ154zroiAOsIrGjT9iVVMTpNwTLvs4BU3WkO6lh+FLph9etR2mC3pl
+NUN+IgJPOLyKMgIGZ19oJJtQg+R1cxtzTFBjrjx5+jpJmzbzcmGmjtC+B4dziBMk
+PtkgcvC4pEWJWnvkBLer05vejm4EoEh6Ws8rc9ITX6e7bYZQdNszruPQ86d34XhI
+AFff2vlERgV+A4Rt/R2aObWIVkpE5Q==
+=M7la
-----END PGP SIGNATURE-----
Why this scored 15/100
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