Arch Linux User Repository

Important note: Is recommended to receive the following key before to install:

$ gpg --recv-keys 1A09227B1F435A33

Also is possible skip the verification, adding the flag for (e.g makepkg, yay) --skippgpcheck, --nopgpfetch, respectively.

Sorry that I cannot receive key 1A09227B1F435A33 from <pgp.mit.edu>.

I tried this way to solve gpg: Can't check signature: No public key:

wget https://ftp.gnu.org/gnu/gnu-keyring.gpg
gpg --import gnu-keyring.gpg

See also:
- https://unifoundry.com/verify/index.html

Important note: Is recommended to receive the following key before to install:

$ gpg --recv-keys 1A09227B1F435A33

Also is possible skip the verification, adding the flag for (e.g makepkg, yay) --skippgpcheck, --nopgpfetch, respectively.

@Andreas85 Skill Issue

The MIT servers don't respond to ICMP, try a SYN ping instead mtr -T -P11371 pgp.mit.edu

Works On My Machine

It seems not to be possible to import the necessary key:

gpg --keyserver pgp.mit.edu --recv-key 1A09227B1F4.....
gpg: Empfangen vom Schlüsselserver fehlgeschlagen: Kein Schlüsselserver verfügbar
ping pgp.mit.edu
PING cryptonomicon.mit.edu (18.9.60.141) 56(84) Bytes an Daten.
^C
--- cryptonomicon.mit.edu ping-Statistik ---
50 Pakete übertragen, 0 empfangen, 100% packet loss, time 49650ms

tracepath pgp.mit.edu

 1?: [LOCALHOST]                      pmtu 1500
 1:  fritz.box                                            14.673ms 
 1:  fritz.box                                             1.230ms 
 2:  keine Antwort
 3:  ip-081-210-144-002.um21.pools.vodafone-ip.de         15.072ms 
 4:  de-str01c-rc1-ae-46-0.aorta.net                      22.798ms asymm  7 
 5:  de-fra04d-rc1-re0-aorta-net-ae-10-0.aorta.net        28.822ms asymm  6 
 6:  84.116.190.94                                        21.105ms asymm  5 
 7:  akamai.prolexic.com                                  17.176ms asymm  5 
 8:  po110.bs-a.sech-fra.netarch.akamai.com               15.871ms asymm  9 
 9:  a72-52-1-179.deploy.static.akamaitechnologies.com    21.858ms asymm 11 
10:  ae121.access-a.sech-fra.netarch.akamai.com           16.207ms 
11:  93.191.173.3                                        107.183ms 
12:  keine Antwort
13:  keine Antwort
...

@cmonty14 Can't this command be added to PKGBUILD? (At the very least as a comment.)

You can import the key with this command: gpg --keyserver pgp.mit.edu --recv-key $KEYID

@DizzyGMan Same. I came here to report this issue, only to see I'm not the only one. This is the output from pikaur:

==> Validating source files with sha512sums...
    unifont-14.0.03.bdf.gz ... Passed
    unifont-14.0.03.bdf.gz.sig ... Skipped
    LICENSE ... Passed
==> Verifying source file signatures with gpg...
    unifont-14.0.03.bdf.gz ... FAILED (unknown public key 1A09227B1F435A33)
==> ERROR: One or more PGP signatures could not be verified!

bdf-unifont 14.0.03-1 fails to build/install. I get errors on the signature.