1 files changed, 93 insertions, 0 deletions
diff --git a/cadi/core/src/test/java/org/onap/ccsdk/apps/cadi/test/JU_Base64.java b/cadi/core/src/test/java/org/onap/ccsdk/apps/cadi/test/JU_Base64.java
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+++ b/cadi/core/src/test/java/org/onap/ccsdk/apps/cadi/test/JU_Base64.java
@@ -0,0 +1,93 @@
+/*******************************************************************************
+ * ============LICENSE_START====================================================
+ * * org.onap.ccsdk
+ * * ===========================================================================
+ * * Copyright © 2023 AT&T Intellectual Property. All rights reserved.
+ * * ===========================================================================
+ * * Licensed under the Apache License, Version 2.0 (the "License");
+ * * you may not use this file except in compliance with the License.
+ * * You may obtain a copy of the License at
+ * *
+ *  *      http://www.apache.org/licenses/LICENSE-2.0
+ * *
+ *  * Unless required by applicable law or agreed to in writing, software
+ * * distributed under the License is distributed on an "AS IS" BASIS,
+ * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * * See the License for the specific language governing permissions and
+ * * limitations under the License.
+ * * ============LICENSE_END====================================================
+ * *
+ * *
+ ******************************************************************************/
+
+package org.onap.ccsdk.apps.cadi.test;
+
+import static org.junit.Assert.*;
+import static org.hamcrest.CoreMatchers.*;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.security.SecureRandom;
+
+import org.junit.Test;
+import org.onap.ccsdk.apps.cadi.Symm;
+import org.onap.ccsdk.apps.cadi.config.Config;
+
+public class JU_Base64 {
+    private static final String encoding = "Man is distinguished, not only by his reason, but by this singular " +
+            "passion from other animals, which is a lust of the mind, that by a " +
+            "perseverance of delight in the continued and indefatigable generation of " +
+            "knowledge, exceeds the short vehemence of any carnal pleasure.";
+
+    private static final String expected =
+            "TWFuIGlzIGRpc3Rpbmd1aXNoZWQsIG5vdCBvbmx5IGJ5IGhpcyByZWFzb24sIGJ1dCBieSB0aGlz\n" +
+            "IHNpbmd1bGFyIHBhc3Npb24gZnJvbSBvdGhlciBhbmltYWxzLCB3aGljaCBpcyBhIGx1c3Qgb2Yg\n" +
+            "dGhlIG1pbmQsIHRoYXQgYnkgYSBwZXJzZXZlcmFuY2Ugb2YgZGVsaWdodCBpbiB0aGUgY29udGlu\n" +
+            "dWVkIGFuZCBpbmRlZmF0aWdhYmxlIGdlbmVyYXRpb24gb2Yga25vd2xlZGdlLCBleGNlZWRzIHRo\n" +
+            "ZSBzaG9ydCB2ZWhlbWVuY2Ugb2YgYW55IGNhcm5hbCBwbGVhc3VyZS4=";
+
+    @Test
+    public void test() throws Exception {
+        // Test with different Padding
+        assertEncoded("leas",     "bGVhcw==");
+        assertEncoded("leasu",    "bGVhc3U=");
+        assertEncoded("leasur",   "bGVhc3Vy");
+        assertEncoded("leasure",  "bGVhc3VyZQ==");
+        assertEncoded("leasure.", "bGVhc3VyZS4=");
+
+        // Test with line ends
+        assertEncoded(encoding, expected);
+    }
+
+    @Test
+    public void symmetric() throws IOException {
+        String symmetric = new String(Symm.keygen());
+        Symm bsym = Symm.obtain(symmetric);
+        String result = bsym.encode(encoding);
+        assertThat(bsym.decode(result), is(encoding));
+
+        char[] manipulate = symmetric.toCharArray();
+        int spot = new SecureRandom().nextInt(manipulate.length);
+        manipulate[spot]|=0xFF;
+        String newsymmetric = new String(manipulate);
+        assertThat(symmetric, is(not(newsymmetric)));
+        try {
+            bsym = Symm.obtain(newsymmetric);
+            result = bsym.decode(result);
+            assertThat(result, is(encoding));
+        } catch (IOException e) {
+            // this is what we want to see if key wrong
+        }
+    }
+
+    private void assertEncoded(String toEncode, String expected) throws IOException {
+        String result = Symm.base64.encode(toEncode);
+        assertThat(result, is(expected));
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        Symm.base64.decode(new ByteArrayInputStream(result.getBytes()), baos);
+        result = baos.toString(Config.UTF_8);
+        assertThat(result, is(toEncode));
+    }
+
+}