What changed, and why it matters
This commit only updates the release signature file. It adds cryptographic hashes for two new firmware files and updates a hash for a changelog file, then re-signs the file with a PGP signature. There are no code changes, no bug fixes, and no security-related content in the commit message or diff.
No security action needed. This is a routine release signing artifact update. Verify the new signatures against published release notes if performing supply-chain verification.
Security signals we found
No strong security signals were identified.
Evidence from the diff
The diff modifies releases/signatures.txt, which is a signed manifest of firmware release artifacts. It updates the SHA-256 hash for Next-ChangeLog.md and adds two new .dfu firmware file entries (v6.6.1X for mk and v6.6.1QX for q1). The PGP signature block is refreshed. No source code, build scripts, or security logic is changed.
Changed components
releases/signatures.txtInspect captured patch +11 / −9
### releases/signatures.txt
@@ -2,13 +2,15 @@
Hash: SHA256
95eff9e044cdb6b3d00961ae72d450684d5441c6a3661ab550a3c3aa0882e754 README.md
-822229b9d676037e52033544752815548c75291c8716655c330e51b5d99653c8 Next-ChangeLog.md
+241162d02c54a786796825f057c5f85f20983188ab31563f014d0bf277ebf31f Next-ChangeLog.md
b0e668d3a1b8b202863d178979cdfa059ca5177e91d81edb92c71bccce7ac59d History-Q.md
de6e4d9ea237300cebe7d83510507c76feb2633a39ff22771b5bd64226399f75 History-Mk5.md
de6e4d9ea237300cebe7d83510507c76feb2633a39ff22771b5bd64226399f75 History-Mk4.md
a8b437624c9ac551b3be2161879a697bfc606ced856926a37e21fefeed8f570c History-Mk3.md
de6e4d9ea237300cebe7d83510507c76feb2633a39ff22771b5bd64226399f75 History-Mk.md
854ba833ca061ab31c545b2886e9822a7b4ec7f0bdbfffcc24b86435e0a7d105 ChangeLog.md
+43561b2cf57600316e66c58169efd98be14bfc6005b4bca745926c808b219f2c 2026-08-31T1606-v6.6.1X-mk-coldcard.dfu
+f67265319339aa2d95b1737f62b12fae2e367bdc5ab376d6cda8bbeae941e40d 2026-08-31T1604-v6.6.1QX-q1-coldcard.dfu
dc0edc4ac90570b615e790d32dcd68069ed1f61e61f69a1573a5eb888fb9dd0c 2026-08-20T1336-v5.6.1-mk-coldcard.dfu
e5ff683d4dba7ce9d14ca1fd8ae214efcd426365adbed52ed79fd291dfe4bb74 2026-08-20T1336-v5.6.1-mk-coldcard-factory.dfu
082bf50a453b2b9f23ef439261cafafa646f944e1c9f725d2584a75598cde9c2 2026-08-20T1335-v1.5.1Q-q1-coldcard.dfu
@@ -144,12 +146,12 @@ f05bc8dfed047c0c0abe5ed60621d2d14899b10717221c4af0942d96a1754f33 2021-03-29T192
bea27f263b524a66b3ed0a58c16805e98be0d7c3db20c2f7aab3238f2c6a6995 2019-12-19T1623-v3.0.6-coldcard.dfu
-----BEGIN PGP SIGNATURE-----
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-WxD4+wf+JqntNMNNSqMFfhRPKH6fhENBncN9WAlT+UubrhJuuj3Zc6UMgnsaoY7w
-PSKFxrFsy4RkGdgUngEJd3HGMt3KKphhD9/22LXQjXSKD5ZBIjCxPO+AFLdznkIY
-Xz0kG7F5dazc8+Iypt1qQkWgM0ZaKMnuYqFuKcOoPkJg9O2173HKaImnPugSXm8N
-431XYg0UhepAdGVHqjNT604NuNxPyAHtfCZziRInKrXfjf98UOgglgxvVWCJlOw1
-zUTGDphWXxdfeWECSletUCK/0wqlt98vHj83+4H4cxEMI1m1movLpctLfVURQJ7+
-dvtrcXVMfw3dskr1c49vTE4CG4WK2A==
-=ZWGS
+iQEzBAEBCAAdFiEERYl3mt/BTzMnU06oo6MbrVoqWxAFAmqVtjUACgkQo6MbrVoq
+WxB7owf+I/4hgj5ggkA2d07oETnFneYDWtz+vPoeJQLcClXcLUKbVvCsLQGe+e/s
+1QZ5KdNxR9cjyH39Z/Da8w3sJF6qPTOVf+5Qvkxj1jRyeTwmDfclRAUd+y1wRHUW
+52MOvtGxT07XZVzqhkcy4EwNONFG9sbq3fHyYehn/y7vMCrIp0IvFusH0S3dFjLA
+b3BA6CiOTugF2eQLPFoxbMMCV0Jaw5hBT5FjLo+4Wnb1OHDuGudPNNuwCHWZ8pfb
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+P1ihb1pxrHd4Uccha0RhsVz/ohkjaA==
+=X3lp
-----END PGP SIGNATURE-----Why this scored 15/100
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