diff --git a/.gitignore b/.gitignore
index b306dc1..7b26340 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,7 @@ result/*
 *.pem
 *.old
 *.p12
+*.jks
 index.*
 serial
 basic/testca/openssl.cnf
diff --git a/basic/Makefile b/basic/Makefile
index 23f8a8f..eb988ad 100644
--- a/basic/Makefile
+++ b/basic/Makefile
@@ -1 +1,15 @@
 include ../common.mk
+
+PASSWORD ?= test1234
+
+keystore:
+	keytool -noprompt -import -trustcacerts -keystore truststore.jks \
+		-file testca/cacert.pem -alias ca_certificate -storepass $(PASSWORD) || true
+	keytool -noprompt -import -trustcacerts -keystore truststore.jks \
+		-file server_$(CN)/cert.pem -alias server_$(CN)_certificate -storepass $(PASSWORD) || true
+	keytool -noprompt -import -trustcacerts -keystore truststore.jks \
+		-file server_$(CN)/key.pem -alias server_$(CN)_key -storepass $(PASSWORD) || true
+	keytool -noprompt -import -trustcacerts -keystore truststore.jks \
+		-file client_$(CN)/cert.pem -alias server_$(CN)_certificate -storepass $(PASSWORD) || true
+	keytool -noprompt -import -trustcacerts -keystore truststore.jks \
+		-file client_$(CN)/key.pem -alias server_$(CN)_key -storepass $(PASSWORD) || true