How to use openssl to confirm whether a given SSL/TLS x509 certificate matches up with a given private key

Solution Verified - Updated -

Issue

  • How to use openssl to confirm whether a given SSL/TLS x509 certificate matches up with a given private key?

  • We have a multiple private keys and TLS certs that have been mixed up. How can check which ones correspond?

Environment

  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 6

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