Tool to generate keyring blob

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# Date:      Fri Aug 22 17:25:59 2025 +0530
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# On branch master
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# Initial commit
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# Changes to be committed:
#	new file:   gen_json.py
#	new file:   json_to_c.py
#	new file:   k3_dev_mpk.pem
#	new file:   main.py
#	new file:   x509CertificateGen.sh
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# Untracked files:
#	README
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