Rework CryptoUtils

CryptoUtils now takes the key from a file located in the resource not 
in spring file

Change-Id: I002978d292550e6173efb4324cbb977f35d7e753
Issue-ID: CLAMP-74
Signed-off-by: Determe, Sebastien (sd378r) <sd378r@intl.att.com>

1 files changed, 29 insertions, 25 deletions

diff --git a/src/test/java/org/onap/clamp/clds/it/CryptoUtilsItCase.java b/src/test/java/org/onap/clamp/clds/util/CryptoUtilsTest.java
index f03fe83c7..6fe447556 100644
--- a/src/test/java/org/onap/clamp/clds/it/CryptoUtilsItCase.java
+++ b/src/test/java/org/onap/clamp/clds/util/CryptoUtilsTest.java
@@ -21,56 +21,60 @@
  * ECOMP is a trademark and service mark of AT&T Intellectual Property.
  */
 
-package org.onap.clamp.clds.it;
+package org.onap.clamp.clds.util;
 
 import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotEquals;
 import static org.junit.Assert.assertNotNull;
 
+import java.io.UnsupportedEncodingException;
 import java.security.GeneralSecurityException;
 
+import org.apache.commons.codec.DecoderException;
+import org.apache.commons.codec.binary.Hex;
+import org.apache.commons.lang3.ArrayUtils;
 import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.onap.clamp.clds.util.CryptoUtils;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.test.context.TestPropertySource;
-import org.springframework.test.context.junit4.SpringRunner;
 
 /**
  * Test Crypto Utils with Spring.
  */
-@RunWith(SpringRunner.class)
-@SpringBootTest
-@TestPropertySource(locations = "classpath:application-no-camunda.properties")
-public class CryptoUtilsItCase {
-    @Autowired
-    private CryptoUtils cryptoUtils;
+public class CryptoUtilsTest {
+    private CryptoUtils cryptoUtils = new CryptoUtils();
+    final String        data        = "This is a test string";
 
     /**
      * This method tests encryption.
      * 
      * @throws GeneralSecurityException
+     * @throws DecoderException
+     * @throws UnsupportedEncodingException
      */
     @Test
-    public final void testEncryption() throws GeneralSecurityException {
-        final String testData = "This is a test string";
-        final String encodedStringExpected = "A5CB112C9F608A220B35AFED08024D98B9653333AF4C9527C2E934DE473F6145";
-        String encodedString = cryptoUtils.encrypt(testData);
+    public final void testEncryption() throws GeneralSecurityException, DecoderException, UnsupportedEncodingException {
+        String encodedString = cryptoUtils.encrypt(data);
         assertNotNull(encodedString);
-        assertEquals(encodedStringExpected, encodedString);
+        assertEquals(data, cryptoUtils.decrypt(encodedString));
     }
 
     /**
-     * This method tests decryption.
+     * This method tests encryption.
      * 
      * @throws GeneralSecurityException
+     * @throws DecoderException
+     * @throws UnsupportedEncodingException
      */
     @Test
-    public final void testDecryption() throws GeneralSecurityException {
-        final String decodedStringExpected = "This is a test string";
-        final String encodedString = "A5CB112C9F608A220B35AFED08024D98B9653333AF4C9527C2E934DE473F6145";
-        String decryptedString = cryptoUtils.decrypt(encodedString);
-        assertNotNull(decryptedString);
-        assertEquals(decodedStringExpected, decryptedString);
+    public final void testEncryptedStringIsDifferent()
+            throws GeneralSecurityException, DecoderException, UnsupportedEncodingException {
+        String encodedString1 = cryptoUtils.encrypt(data);
+        String encodedString2 = cryptoUtils.encrypt(data);
+        byte[] encryptedMessage1 = Hex.decodeHex(encodedString1.toCharArray());
+        byte[] encryptedMessage2 = Hex.decodeHex(encodedString2.toCharArray());
+        assertNotNull(encryptedMessage1);
+        assertNotNull(encryptedMessage2);
+        assertNotEquals(encryptedMessage1, encryptedMessage2);
+        byte[] subData1 = ArrayUtils.subarray(encryptedMessage1, 16, encryptedMessage1.length);
+        byte[] subData2 = ArrayUtils.subarray(encryptedMessage2, 16, encryptedMessage2.length);
+        assertNotEquals(subData1, subData2);
     }
 }
\ No newline at end of file