How do I verify that a private key matches a certificate? Check whether equals result of each command. privatekey openssl rsa -noout -modulus -in dev.easywaru.com.key | openssl md5 1 openssl rsa -noout -modulus -in dev.easywaru.com.key | openssl md5 CSR openssl req -noout -modulus -in dev.easywaru.com.csr | openssl md5 1 openssl req -noout -modulus -in dev.easywaru.com.csr | openssl md5 certificate openssl x509 -noout -modulus -in dev.easywaru.com.crt | openssl md5 1 openssl x509 -noout -modulus -in dev.easywaru.com.crt | openssl md5