![]() ![]() If you are unable to find the private key that corresponds to your certificate, you will need a replacement certificate. You can check this with the openssl command as: openssl x509 -in certificate.pem -noout -pubkey. ![]() The openssl program is available on all Dragonized Linux hosts and may be installed on. The public key contained in a private key and a certificate must be the same. To search for all private keys on your server: Some useful openssl commands for troubleshooting certificate problems. You can either create a brand new key and CSR and contact support, or you can do a search for any other private keys on the system and see if they match. If the first commands shows any errors, or if the modulus of the public key in the certificate and the modulus of the private key do not exactly match, then you're not using the correct private key. Openssl x509 -modulus -noout -in myserver.crt | openssl md5 To view the modulus of the RSA public key in a certificate: If it doesn't say 'RSA key ok', it isn't OK!" Openssl rsa -check -noout -in myserver.key | openssl md5 Openssl rsa -modulus -noout -in myserver.key | openssl md5 To verify a certificate and its chain for a given website with OpenSSL, run the following command: openssl verify -CAfile chain.pem Where -CAfile chain.pem is the downloaded certificate chain installed at the site and is the downloaded end entity server cert. To verify the consistency of the RSA private key and to view its modulus: By default, the CRL expires after 30 days. You should re-create the CRL at regular intervals. Try this instead: openssl verify -CAfile RootCert.pem -untrusted Intermediate.pem UserCert.pem It will verify your entire chain in a single command. This is why your second command didn't work. In other words, root CA needs to be self signed for verify to work. openssl crl -in intermediate/crl/ -noout -text No certificates have been revoked yet, so the output will state No Revoked Certificates. If a certificate is found which is its own issuer it is assumed to be the root CA. To verify that an RSA private key matches the RSA public key in a certificate you need to i) verify the consistency of the private key and ii) compare the modulus of the public key in the certificate against the modulus of the private key. You can check the contents of the CRL with the crl tool. How do I verify that a private key matches a certificate?.How do I verify that a private key matches a certificate? (OpenSSL) ![]()
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