Problem Statement

We need to be able to generate license signing keys and store them securely.

This ticket follows the Licensing RFC

Acceptance Criteria

1. login with Google Cloud Credentials
2. export LICENSOR_KEY_BUCKET environment variable to storage bucket you have write access to
3. run licensor gen-sign-key
4. verify a pair of keys are created with todays date, e.g. 2022-07-22/public and 2022-07-22/private in the bucket

Note: automated unit testing is generally not required for this repo