It appears the key expired 2022-02-26, so I presume this is known. I bring it up on the slim chance it hasn't been noticed or reported yet.
$ gpg --verify setup-x86_64.exe.sig gpg: assuming signed data in 'setup-x86_64.exe' gpg: Signature made Fri, Jun 24, 2022 05:48:55 PDT gpg: using DSA key 1169DF9F22734F743AA59232A9A262FF676041BA gpg: checking the trustdb gpg: public key CCB2EB46E76CF6D0 is 35475 seconds newer than the signature gpg: marginals needed: 3 completes needed: 1 trust model: classic gpg: depth: 0 valid: 3 signed: 3 trust: 0-, 0q, 0n, 0m, 0f, 3u gpg: depth: 1 valid: 3 signed: 0 trust: 2-, 0q, 0n, 0m, 1f, 0u gpg: next trustdb check due at 2023-04-30 gpg: Good signature from "Cygwin <cygwin@cygwin.com>" [full] gpg: Signature made Fri, Jun 24, 2022 05:48:55 PDT gpg: using RSA key 56405CF6FCC81574682A5D561A698DE9E2E56300 gpg: Good signature from "Cygwin <cygwin@cygwin.com>" [expired] gpg: Note: This key has expired! Primary key fingerprint: 5640 5CF6 FCC8 1574 682A 5D56 1A69 8DE9 E2E5 6300 ...and... $ gpg -k 56405CF6FCC81574682A5D561A698DE9E2E56300 pub rsa4096 2020-02-27 [SC] [expired: 2022-02-26] 56405CF6FCC81574682A5D561A698DE9E2E56300 uid [ expired] Cygwin <cygwin@cygwin.com> Cheers! -- Jim Garrison j...@acm.org -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple