Template:Makecert.sh

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Linux script to generate custom self signed certificate

makecert.sh:

#!/bin/sh

# ./makecert.sh <domain>
if [ "$1" = "" ] ; then
  echo "Error: Usage: $0 <domain> \"[cert-domain]\""
  exit 1
fi
DOMAIN=$1
if [ "$2" != "" ] ; then
  CERTDOMAIN=$2
else
  CERTDOMAIN=$1
fi
echo "Creating SSL cert for $DOMAIN ($CERTDOMAIN)"

mkdir $1
cd $1
# openssl req -config ../openssl.cnf -new -out $DOMAIN.csr
# openssl req -new -out $DOMAIN.csr
openssl req -new -out $DOMAIN.csr -passout pass:test <<EOF
US
Utah
Salt Lake City
$DOMAIN
$DOMAIN
$CERTDOMAIN



EOF
# openssl rsa -in privkey.pem -out $DOMAIN.key
openssl rsa -in privkey.pem -out $DOMAIN.key -passin pass:test
openssl x509 -in $DOMAIN.csr -out $DOMAIN.cert -req -signkey $DOMAIN.key -days 1825    # 5 years
openssl x509 -in $DOMAIN.cert -out $DOMAIN.der.crt -outform DER    # optional
cat $DOMAIN.key $DOMAIN.cert > $DOMAIN.pem
# FYI, pem for chain would be 'key, cert, chain > pem'

See openssl.cnf