TEXT = "A foo is a bar"
SOFTHSM = /usr/bin/softhsm2-util

direct-softhsm: testsig.hsm.pem
	( \
	OPENSSL_CONF=./openssl.cnf; \
	tokenurl=$$(p11tool --login --provider=/usr/lib/softhsm/libsofthsm2.so --list-token-urls); \
	echo $(TEXT) | openssl dgst -sha256 -engine pkcs11 -keyform ENGINE -prverify $$tokenurl -signature $< | egrep "^Verified OK$$"; \
	)

softhsm-token-setup: softhsm-token-setup.stamp
softhsm-token-setup.stamp: softhsm/tokens testkey.pkcs8
	test -x $(SOFTHSM)
	( \
	BASEDIR=$$(pwd); \
	export SOFTHSM2_CONF=$$BASEDIR/softhsm/softhsm2.conf; \
	echo "directories.tokendir = $$BASEDIR/softhsm/tokens/" > $$SOFTHSM2_CONF; \
	${SOFTHSM} --init-token --free --label mytoken --so-pin ffffff --pin ffff; \
	${SOFTHSM} --import testkey.pkcs8 --token mytoken --label mykey --id 00 --pin ffff; \
	)
	touch $@

softhsm/tokens:
	mkdir -p $@

testkey.pkcs8: testkey.pem
	openssl pkey -in $< -outform pem -out $@

testkey.pem:
	openssl genrsa -out $@ 2048

testsig.local.pem: testkey.pem
	echo $(TEXT) | openssl dgst -sha256 -sign testkey.pem -out $@

testsig.hsm.pem: softhsm-token-setup testkey.pem openssl.cnf
	( \
	OPENSSL_CONF=./openssl.cnf; \
	tokenurl=$$(p11tool --login --provider=/usr/lib/softhsm/libsofthsm2.so --list-token-urls); \
	echo $(TEXT) | openssl dgst -sha256 -engine pkcs11 -keyform ENGINE -sign $$tokenurl -out $@; \
	)

clean:
	[ -d softhsm ] && rm -r softhsm
	-rm testkey.pem testkey.pkcs8
	-rm testsig.*.pem

.PHONY: clean