niw

#!/bin/sh

if [ -z "$1" -o "$1" = "-h" -o "$1" = "--help" ]; then
  echo "Usage: $0 private_key.p12 certificate.{p12, der}"
  echo "You can export the private key (and certificate) in PKCS12 format from Keychain.app."
  exit 0
fi

# Create private key in PEM format from PKCS12 format without password.
openssl pkcs12 -in "$1" -nocerts -nodes -out _key.pem