YKPAMCFG(1) Yubico PAM Module Manual YKPAMCFG(1) (NAME) ykpamcfg - Yubico PAM (SYNOPSIS) ykpamcfg [-1 | -2] [-A] [-p] [-i] [-v] [-V] [-h] (OPTIONS) -1 slot 1. . -2 slot 2. -A action . (ACTIONS) . -p path ~/.yubico/challenge . -i iterations (iterations) PBKDF2 . -v (verbose). -V . -h . (ACTIONS) add_hmac_chalresp PAM - (Challenge-response C/R) HMAC-SHA1 YubiKey 2.2 . C/R . (~/.yubico/challenge-123456 YubiKey API ~/.yubico/challenge ). PAM ( ) challenge . : /var/yubico/challenges/alice-123456 PAM . (EXAMPLES) YubiKey - slot 2 : $ ykpersonalize -2 -ochal-resp -ochal-hmac -ohmac-lt64 -oserial-api-visible ... Commit? (y/n) [n]: y YubiKey : $ ykpamcfg -2 -v ... Stored initial challenge and expected response in '/home/alice/.yubico/challenge-123456'. PAM ( ): /etc/pam.d/common-auth ( 10.10): auth required pam_unix.so nullok_secure try_first_pass auth [success=1 new_authtok_reqd=ok ignore=ignore default=die] pam_yubico.so mode=challenge-response auth requisite pam_deny.so auth required pam_permit.so auth optional pam_ecryptfs.so unwrap (BUGS) ykpamcfg : https://github.com/Yubico/yubico-pam/issues (SEE ALSO) pam_yubico(8) yubico-pam: https://developers.yubico.com/yubico-pam YubiKey Yubico : http://www.yubico.com yubico-pam Version 2.27 YKPAMCFG(1)