"Port" of SignTool to Bash script.

signtool.sh

#!/bin/bash
if [ $1 != "" ] && [ $2 != "" ]
then
	rm $1/signature
	rm $1/manifest.json
	echo "{" > signature.json.tmp
	for fileEntry in $1/*
	do
		echo -n \" >> signature.json.tmp
		echo -n $fileEntry | cut -d "/" -f2 >> signature.json.tmp
		echo -n \":\" >> signature.json.tmp
		sha1sum $fileEntry | cut -d " " -f1 >> signature.json.tmp
		echo \", >> signature.json.tmp
	done

	echo "}" >> signature.json.tmp
	tr --delete '\n' < signature.json.tmp > signature.tmp.json

	rm signature.json.tmp

	sed -i -e '$a\' signature.tmp.json
	cat signature.tmp.json | sed s/",}"/"}"/ > $1/manifest.json

	rm signature.tmp.json

	openssl smime -binary -sign -certfile PKI/WWDR.pem -signer PKI/pass.pem -inkey PKI/private.key -in $1/manifest.json -out $1/signature -outform DER #-passin pass:12345
	cd $1
	zip -r $OLDPWD/$2 *
else
	echo Invalid argument: $0 \<inputPass\> \<outputPass\>
fi