sshd fails to load ECDSA key after upgrade to RHEL7.4

Solution Verified - Updated -

Issue

After upgrading openssl to openssl-1.0.2 in RHEL7.4 the sshd service fails to load the ECDSA host key and gives one of the following errors.

Error with openssh-6.6.1p1-31.el7

Sep  7 12:30:11 rhel7-64 sshd[24222]: key_parse_private_pem: bad ECDSA key
Sep  7 12:30:11 rhel7-64 sshd[24222]: Could not load host key: /etc/ssh/ssh_host_ecdsa_key

Error with openssh-7.4p1-11.el7

Sep  7 12:30:42 rhel7-64 sshd: key_load_private: invalid format
Sep  7 12:30:42 rhel7-64 sshd: Could not load host key: /etc/ssh/ssh_host_ecdsa_key

Environment

  • RHEL7
  • openssh
  • openssl-1.0.2

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