Just today I have tried emerge-webrsync and got to the following endless circle:
Fetching most recent snapshot ... Trying to retrieve 20180702 snapshot from http://mirror.netcologne.de/gentoo ... Fetching file portage-20180702.tar.xz.md5sum ... Fetching file portage-20180702.tar.xz.gpgsig ... Fetching file portage-20180702.tar.xz ... Checking digest ... Checking signature ... gpg: Signature made Tue Jul 3 03:51:21 2018 EEST gpg: using RSA key E1D6ABB63BFCFB4BA02FDF1CEC590EEAC9189250 gpg: Good signature from "Gentoo Portage Snapshot Signing Key (Automated Signing Key)" [expired] gpg: Note: This key has expired! Primary key fingerprint: DCD0 5B71 EAB9 4199 527F 44AC DB6B 8C1F 96D8 BF6D Subkey fingerprint: E1D6 ABB6 3BFC FB4B A02F DF1C EC59 0EEA C918 9250 Fetching file portage-20180702.tar.bz2.md5sum ... Fetching file portage-20180702.tar.bz2.gpgsig ... Fetching file portage-20180702.tar.bz2 ... Checking digest ... Checking signature ... gpg: Signature made Tue Jul 3 03:51:20 2018 EEST gpg: using RSA key E1D6ABB63BFCFB4BA02FDF1CEC590EEAC9189250 gpg: Good signature from "Gentoo Portage Snapshot Signing Key (Automated Signing Key)" [expired] gpg: Note: This key has expired! Primary key fingerprint: DCD0 5B71 EAB9 4199 527F 44AC DB6B 8C1F 96D8 BF6D Subkey fingerprint: E1D6 ABB6 3BFC FB4B A02F DF1C EC59 0EEA C918 9250 Fetching file portage-20180702.tar.gz.md5sum ... The following command showed that all Gentoo signing keys in my system expired: # gpg --homedir /var/lib/gentoo/gkeys/keyrings/gentoo/release --with-fingerprint --list-keys /var/lib/gentoo/gkeys/keyrings/gentoo/release/pubring.gpg --------------------------------------------------------- pub rsa4096 2014-10-03 [C] [expired: 2017-09-17] D2DE 1DBB A0F4 3EBA 341B 97D8 8255 33CB F6CD 6C97 uid [ expired] Gentoo-keys Team <gk...@gentoo.org> pub dsa1024 2004-07-20 [SC] [expired: 2018-07-01] D99E AC73 79A8 50BC E47D A5F2 9E64 38C8 1707 2058 uid [ expired] Gentoo Linux Release Engineering (Gentoo Linux Release Signing Key) <rel...@gentoo.org> pub rsa4096 2011-11-25 [C] [expired: 2018-07-01] DCD0 5B71 EAB9 4199 527F 44AC DB6B 8C1F 96D8 BF6D uid [ expired] Gentoo Portage Snapshot Signing Key (Automated Signing Key) pub rsa4096 2009-08-25 [SC] [expired: 2017-08-25] 13EB BDBE DE7A 1277 5DFD B1BA BB57 2E0E 2D18 2910 uid [ expired] Gentoo Linux Release Engineering (Automated Weekly Release Key) <rel...@gentoo.org> Trying to renew them manually with the following commands does not help: # gpg --keyserver hkps.pool.sks-keyservers.net --recv-keys 0x825533CBF6CD6C97 gpg: key 825533CBF6CD6C97: 2 signatures not checked due to missing keys gpg: key 825533CBF6CD6C97: public key "Gentoo-keys Team <gk...@gentoo.org>" imported gpg: no ultimately trusted keys found gpg: Total number processed: 1 gpg: imported: 1 # gpg --keyserver hkps.pool.sks-keyservers.net --recv-keys 0xDB6B8C1F96D8BF6D gpg: key DB6B8C1F96D8BF6D: 14 signatures not checked due to missing keys gpg: key DB6B8C1F96D8BF6D: public key "Gentoo Portage Snapshot Signing Key (Automated Signing Key)" imported gpg: no ultimately trusted keys found gpg: Total number processed: 1 gpg: imported: 1 # gpg --keyserver hkps.pool.sks-keyservers.net --recv-keys 0x9E6438C817072058 gpg: key 9E6438C817072058: 83 signatures not checked due to missing keys gpg: key 9E6438C817072058: public key "Gentoo Linux Release Engineering (Gentoo Linux Release Signing Key) <rel...@gentoo.org>" imported gpg: no ultimately trusted keys found gpg: Total number processed: 1 gpg: imported: 1 # gpg --keyserver hkps.pool.sks-keyservers.net --recv-keys 0xBB572E0E2D182910 gpg: key BB572E0E2D182910: 10 signatures not checked due to missing keys gpg: key BB572E0E2D182910: 1 bad signature gpg: key BB572E0E2D182910: public key "Gentoo Linux Release Engineering (Automated Weekly Release Key) <rel...@gentoo.org>" imported gpg: no ultimately trusted keys found gpg: Total number processed: 1 gpg: imported: 1 Here https://wiki.gentoo.org/wiki/Handbook:AMD64/Working/Features#Fetching_files has been said the following: If any of the keys installed from app-crypt/gentoo-keys should expire, run gkeys from app-crypt/gkeys to refresh them from the key server: root #emerge --ask app-crypt/gkeys root #gkeys refresh-key -C gentoo but gkeys are not stable in my architeture as it follows from the following: $ eix gkeys * app-crypt/gkeys Available versions: ~0.2 **9999 {PYTHON_TARGETS="python2_7 python3_4 python3_5 python3_6"} Homepage: https://wiki.gentoo.org/wiki/Project:Gentoo-keys Description: An OpenPGP/GPG key management tool and python libs * app-crypt/gkeys-gen Available versions: ~0.2 **9999 {PYTHON_TARGETS="python2_7 python3_4 python3_5 python3_6"} Homepage: https://wiki.gentoo.org/wiki/Project:Gentoo-keys Description: Tool for generating OpenPGP/GPG keys using a specifications file