openssl question

Submitted by alister@mit.edu on Tue, 02/03/2009 - 16:00

I have an application certificate requested from mitcerts in pkcs12 format. I'm now being asked for the public key of that cert, base64 encoded... is there some command to extract that with openssl? Is there something else I would need?

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Convert pkcs12 cert to base64

Submitted by bknoll@mit.edu on Tue, 02/03/2009 - 17:40.

I would think something like the following should do the trick:

openssl pkcs12 -in mycert.pfx -out mycert.pem
openssl enc -base64 -in mycert.pem -out mycert.b64

This should convert your mycert.pfx file to mycert.b64, base64-encoded.

Thanks, I also got a tip from

Submitted by alister@mit.edu on Mon, 02/09/2009 - 09:42.

Thanks, I also got a tip from someone else, who suggested:

openssl pkcs12 -in myFile.p12 -out myPublicKey.pem -clcerts -nokeys

Which also seemed to work.