Copy non-PEM extension test file in test code instead of shell script

.gitignore

@@ -2,6 +2,7 @@ target/
 /jsign-gradle-plugin/.gradle
 /jsign-gradle-plugin/build
 dependency-reduced-pom.xml
+/jsign-core/src/test/resources/keystores/privatekey.pkcs1.pem.key
 
 # IntelliJ files
 *.iml

jsign-core/src/test/resources/keystores/generate-private-key.sh

@@ -8,7 +8,6 @@ openssl genrsa -aes128 -traditional -passout pass:password -out privatekey-encry
 openssl pkcs8 -topk8       -in privatekey-encrypted.pkcs1.pem -out privatekey-encrypted.pkcs8.pem -passin pass:password -passout pass:password -v2 aes128
 openssl pkcs8 -topk8       -in privatekey-encrypted.pkcs1.pem -out privatekey.pkcs8.pem -passin pass:password -nocrypt
 openssl pkcs8 -traditional -in privatekey.pkcs8.pem           -out privatekey.pkcs1.pem -nocrypt
-cp privatekey.pkcs1.pem privatekey.pkcs1.pem.key
 
 # Generate the PVK files
 # This requires an OpenSSL version with RC4 enabled (works on Debian Stretch)

jsign-crypto/src/test/java/net/jsign/PrivateKeyUtilsTest.java

@@ -19,6 +19,8 @@
 import java.io.File;
 import java.io.FileWriter;
 import java.math.BigInteger;
+import java.nio.file.Files;
+import java.nio.file.Path;
 import java.security.KeyException;
 import java.security.PrivateKey;
 import java.security.interfaces.ECPrivateKey;
@@ -56,7 +58,10 @@ public void testLoadPKCS1PEM() throws Exception {
 
     @Test
     public void testLoadPKCS1PEMNonPEMExtension() throws Exception {
-        testLoadPEM(new File("target/test-classes/keystores/privatekey.pkcs1.pem.key"), null);
+        File targetFile = new File("target/test-classes/keystores/privatekey.pkcs1.pem.key");
+        Files.copy(new File("target/test-classes/keystores/privatekey.pkcs1.pem").toPath(), targetFile.toPath());
+
+        testLoadPEM(targetFile, null);
     }
 
     @Test