Convert P12 to P8 certificate

Do you of some reason need to convert a P12 certificate to a P8 certificate?

This is how you can do that.

Step 1.

openssl pkcs12 -in certificate.p12 -out certificate.pem -clcerts -nokeys

Step 2

openssl pkcs12 -in certificate.p12 -out key.pem -nocerts -nodes

Step 3

openssl pkcs8 -topk8 -inform PEM -outform PEM  -in in.key -out out.pkcs8 -v1 PBE-MD5-DES

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