Create a Certificate Signing Request

easy 10 XP ~5 minHands-on lab

The company CA issues certificates for api.core.example.com when it receives a certificate signing request (CSR).

Task

In /home/student/csr/, create:

  • api.key: a new RSA 3072-bit private key
  • api.csr: a CSR signed with that key, with the subject C=EG, O=Example Corp, OU=Platform, CN=api.core.example.com, requesting the SANs api.core.example.com and api-internal.core.example.com

About this machine

Ubuntu 24.04 with no internet access. You are student with passwordless sudo. The grader checks the final state of the machine, not the commands you typed. Values like names and ports are generated for you.

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