How to revoke an openssl certificate when you don’t have the certificate

(Based on Nilesh’s answer) In the default configuration, openssl will keep copies of all signed certificates in /etc/ssl/newcerts, named by its index number. So grep /etc/ssl/index.txt to obtain the serial number of the key to be revoked, e.g. 1013, then execute the following command: openssl ca -revoke /etc/ssl/newcerts/1013.pem #replacing the serial number The -keyfile and … Read more

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