entering password into openssl command from shell script

Question

I am trying to convert a p12 to a pem from a shell script without any user input. I can have the password as a variable within the script.

so when I call:

openssl pkcs12 -in *.p12 -out cert.pem -nodes

The terminal prints "Enter Import Password:" and waits for input.

I tried to pipe the password in with:

echo $PASS | openssl pkcs12 -in *.p12 -out cert.pem -nodes

as well as trying to use a flag with the openssl command but can't figure out how to do this.

Thanks. I thought passin would only take a file as input...But I got it work with -password stdin, so openssl expects the password to come from stdin, then the pipe work. — swinters
– swinters, Commented Nov 20, 2014 at 17:50

Sankalp · Accepted Answer · 2017-10-21 00:32:04Z

7

This one liner worked for me-

openssl pkcs12 -in certificate.p12 -password pass:<your_password> -nodes | openssl x509 -noout -enddate

answered Oct 21, 2017 at 0:32

Sankalp

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1 Comment

Martijn Over a year ago

You saved me, I was putting the password at the end of the line near the -enddate, but it should be before the pipe when opening the certificate. Note that new command is -passin instead of password as indicated above.

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