test: fix makefile for ec_pub.[der/pem] generation
Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/tests/data_files/Makefile b/tests/data_files/Makefile
index 80172e2..c492558 100644
--- a/tests/data_files/Makefile
+++ b/tests/data_files/Makefile
@@ -888,6 +888,10 @@
$(OPENSSL) pkey -in $< -inform DER -out $@
all_final += ec_prv.pk8param.pem
+ec_pub.pem: ec_prv.sec1.der
+ $(OPENSSL) pkey -in $< -inform DER -outform PEM -pubout -out $@
+all_final += ec_pub.pem
+
################################################################
#### Convert PEM keys to DER format
################################################################