What changed, and why it matters
This commit only updates the release signature file for COLDCARD Mk4 firmware. It adds two new signed hashes for version 5.4.4 and refreshes the PGP signature that covers the file. There are no code changes, no bug fixes, and no security-related content in the diff itself.
No action required; verify the new PGP signature and hashes through normal release-process checks if auditing the signed release artifacts.
Security signals we found
No strong security signals were identified.
Evidence from the diff
The diff modifies releases/signatures.txt, appending SHA-256 hashes for 2025-09-26T1814-v5.4.4-mk4-coldcard.dfu and its factory variant, and replaces the detached PGP signature over the entire file. This is a routine release-signing artifact update; no source code, configuration, or cryptographic logic is changed.
Changed components
releases/signatures.txtInspect captured patch +10 / −8
diff --git a/releases/signatures.txt b/releases/signatures.txt
index 04ed1ae..d4b4e30 100644
--- a/releases/signatures.txt
+++ b/releases/signatures.txt
@@ -7,6 +7,8 @@ Hash: SHA256
13569699323108af074af0e9ea478f75d1795ac5f5ebcbd0b988d9db63e86a5d History-Mk4.md
c8ad43b4e3f9d77777026da6d1210c6fc5cfe435bcfcd241c0f67c9392ad7b82 History-Mk3.md
65cc49de3df03b27919f96b29fd5e7e8b602fb854a04b0f7927a927517d0d3ac ChangeLog.md
+382629c2acf0e35494949fc5d881140e341d2925cbfef983d726bffce119ece2 2025-09-26T1814-v5.4.4-mk4-coldcard.dfu
+c26a25b31b7cd11e6cdfd850b1d3133aca0eddcafb1ca7deb198060c9a421796 2025-09-26T1814-v5.4.4-mk4-coldcard-factory.dfu
9b7ad4b1cf30629b7e92e8962c3ed3b447f10c1529ff73ea3d69126791f13947 2025-09-26T1813-v1.3.4Q-q1-coldcard.dfu
e59ded6258578b1835e644eab481caf2f9775192ddcf09983472a49883d97649 2025-09-26T1813-v1.3.4Q-q1-coldcard-factory.dfu
be166b3bb3ec2259991db998c20c3d44e88eeaa73c2b8114f31cb14cab5e66e6 2025-05-14T1344-v5.4.3-mk4-coldcard.dfu
@@ -111,12 +113,12 @@ f05bc8dfed047c0c0abe5ed60621d2d14899b10717221c4af0942d96a1754f33 2021-03-29T192
bea27f263b524a66b3ed0a58c16805e98be0d7c3db20c2f7aab3238f2c6a6995 2019-12-19T1623-v3.0.6-coldcard.dfu
-----BEGIN PGP SIGNATURE-----
-iQEzBAEBCAAdFiEERYl3mt/BTzMnU06oo6MbrVoqWxAFAmjW18QACgkQo6MbrVoq
-WxCSEQf/VhbvqONKccU7tUXD4pze8wudN+XMIeqlgTWB0Obt+sRJo5dCAOMAehBj
-nv8F36cf0K8loZTwKXPANg8wZDdSMQF75Hg36sHdK5cTk+l03kHmpEjhJYg4wDF/
-8bqYfjp/E+pPKXOBQ6eIdvkOUChvekSBCNaw1g6A2MtY5c9zsu3PNXGRNPsYg9kB
-Eu+WhExy9OXP6ULBXaShN/5FM56ATvGIkzDwjcVqO93IlRkHxtVJEF9uzzZyIT1K
-zpMuydhsDZsFg/mtRs0LkKH/CWtDA6fNqhhS7/5WuLKymxO/pGuymYCJuIPee2E3
-X2BW9laXlZxxytl3Qp2XHuhzAn2VJA==
-=UxLu
+iQEzBAEBCAAdFiEERYl3mt/BTzMnU06oo6MbrVoqWxAFAmjW2BYACgkQo6MbrVoq
+WxDr1wf/bo+2MFkCIenr//ZYJPeP5JAtcacCz5NI7atFTk2Er3zylw600mh+HJYg
+VUDg8VW+hceXVeQ4uqQL4YJ5LaF6DbOhABLnbZoCsq/oXbTxCJz3sac3+4d12f2m
+GUq0WYXAnVV0sSPPUjpE6Gj4WuteFiRc42z/xavxh2P/lV63l/HB7UAXr6IKuxRm
+nMtj+Gsxi7wMgVvKbKRgVyM3cmczpOBlopfTAlZN0gx6zGzgm+Zg++nawO5llvQZ
+tDAFWw+LBlOzMUKb0SMWGw0WoGR0EelPcVoEsLuNzI0FA63zZYj3HhRcFtQr1DT6
+32yCn5oYMboZNFeiUnH+2/3xEkka1Q==
+=w/Pv
-----END PGP SIGNATURE-----
Why this scored 15/100
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