ntpd: authreadkeys: could not decode key

Solution Verified - Updated -


  • Clients are unable to authenticate to a Network Time Protocol (NTP) server after generating symmetric keys with the chronyc keygen command. The following error message is logged in /var/log/messages:
ntpd[128066]: authreadkeys: could not decode key


  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7
  • Chrony
  • NTP

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