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cactaceae21/Certificates.md

Last active May 20, 2021 11:50
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Crypto #crypto #encryption #hash #cert #certificate
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Certificates.md

Creating a certificate

RSA 4096 algorithm with SHA256 - will request subject details
openssl req -x509 -newkey rsa:4096 -keyout key.pem -out cert.pem -days 365

RSA 1024 algorithm with SHA1 - forcing just the Subject name without input
openssl req -x509 -newkey rsa:1024 -sha1 -keyout key.pem -out cert.pem -days 365 --subj "/CN=server"

Remove key password

openssl rsa -in original.key -out new.key

Dump cert contents

Private Key

openssl rsa -in key.pem -text

Public Cert

openssl x509 -in cert.pem -text

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