Comments in a pem file

openssl pem
Ravi Nankani picture Ravi Nankani · Oct 25, 2013 · Viewed 10.6k times · Source

Does anyone know if there exists a way to put comments in a pem certificate such that openssl will ignore the comments while parsing the certificate.

Thanks

Answer

atomicinf picture atomicinf · Oct 25, 2013

Anything outside -----BEGIN FOO----- and -----END FOO----- should be ignored by OpenSSL.

This behavior is commonly used to e.g. embed an entire human-readable detailed description of the cert in the PEM file itself, so that anyone reading it can see what it encodes without having to invoke openssl x509 ... on it.

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