Create and check certificates

Quick access to creation and checking of certificates

Sebastiaan avatar
  • Sebastiaan
  • 1 min read

Linux/MacOS OpenSSL

MD5 modules

You can use MD5 module to check if key and cert are a keypair toghter.

openssl rsa -modulus -noout -in <name>.key| openssl md5
openssl x509 -modulus -noout -in <name>.crt| openssl md5

Check cert

openssl x509 -in <name>.crt -text -noout

Check CSR

openssl req -in <name>.csr -noout -text

Short monitoring

openssl x509 -in <path>/<name>.crt -noout -checkend 3888000
Sebastiaan

Written by : Sebastiaan

Sysadmin/Platform/Devops Engineer

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