Update CryptoTest.java to load CipherCore

MessageDigest openssl support is being disabled due to eclipse-openj9#4530, the test
needs to check a different algorithm.

ibmruntimes/openj9-openjdk-jdk11#117
ibmruntimes/openj9-openjdk-jdk8#259

[ci skip]

Signed-off-by: Peter Shipton <Peter_Shipton@ca.ibm.com>

test/functional/cmdLineTests/openssl/src/org/openj9/test/openssl/CryptoTest.java

@@ -22,12 +22,22 @@
 
 package org.openj9.test.openssl;
 
-import java.security.KeyFactory;
+import java.util.Random;
+import java.security.spec.AlgorithmParameterSpec;
+
+import javax.crypto.Cipher;
+import javax.crypto.spec.IvParameterSpec;
+import javax.crypto.spec.SecretKeySpec;
 
 public class CryptoTest {
 	public static void main(String[] args) {
 		try {
-			KeyFactory.getInstance("RSA");
+            Cipher cipher = Cipher.getInstance("AES/GCM/NoPadding");
+            Random r = new Random(10);
+            byte[] skey_bytes = new byte[16];
+            r.nextBytes(skey_bytes);
+            SecretKeySpec skey = new SecretKeySpec(skey_bytes, "AES");
+            cipher.init(Cipher.ENCRYPT_MODE, skey);
 			System.out.println("Crypto test COMPLETED");
 		} catch (Exception e) {
 			System.out.println("Crypto test FAILED");