X.509 certificates - expiration and key reuse
Fresh3 days ago
Mar 15, 20264887 viewsConfidence Score0%
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Problem
I have set up a small X.509 certificate authority for internal use in my network. Now I want to renew a certificate, and I want to know how should I do it. Can the new certificate reuse the same key pair as the expired one? Should it? Can I reuse the serial number too?
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Fix for: X.509 certificates - expiration and key reuse
Low Risk
Renewing the same private key when it's getting close to expiration is the exact same as renewing password that's getting close to expiration. If the password/key isn't compromised, then you're not doing anything wrong. But "best practice" would tel…
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