Merge "AndroidKeyStore: add key wrapping test"

keystore/tests/src/android/security/AndroidKeyStoreTest.java

@@ -51,6 +51,9 @@ import java.util.HashSet;
 import java.util.Iterator;
 import java.util.Set;
 
+import javax.crypto.Cipher;
+import javax.crypto.SecretKey;
+import javax.crypto.spec.SecretKeySpec;
 import javax.security.auth.x500.X500Principal;
 
 public class AndroidKeyStoreTest extends AndroidTestCase {
@@ -1545,4 +1548,49 @@ public class AndroidKeyStoreTest extends AndroidTestCase {
         } catch (UnsupportedOperationException success) {
         }
     }
+
+    private void setupKey() throws Exception {
+        final String privateKeyAlias = Credentials.USER_PRIVATE_KEY + TEST_ALIAS_1;
+        assertTrue(mAndroidKeyStore.generate(privateKeyAlias));
+
+        X509Certificate cert = generateCertificate(mAndroidKeyStore, TEST_ALIAS_1, TEST_SERIAL_1,
+                TEST_DN_1, NOW, NOW_PLUS_10_YEARS);
+
+        assertTrue(mAndroidKeyStore.put(Credentials.USER_CERTIFICATE + TEST_ALIAS_1,
+                cert.getEncoded()));
+    }
+
+    public void testKeyStore_KeyOperations_Wrap_Success() throws Exception {
+        mKeyStore.load(null, null);
+
+        setupKey();
+
+        // Test key usage
+        Entry e = mKeyStore.getEntry(TEST_ALIAS_1, null);
+        assertNotNull(e);
+        assertTrue(e instanceof PrivateKeyEntry);
+
+        PrivateKeyEntry privEntry = (PrivateKeyEntry) e;
+        PrivateKey privKey = privEntry.getPrivateKey();
+        assertNotNull(privKey);
+
+        PublicKey pubKey = privEntry.getCertificate().getPublicKey();
+
+        Cipher c = Cipher.getInstance("RSA/ECB/PKCS1Padding");
+        c.init(Cipher.WRAP_MODE, pubKey);
+
+        byte[] expectedKey = new byte[] {
+                0x00, 0x05, (byte) 0xAA, (byte) 0x0A5, (byte) 0xFF, 0x55, 0x0A
+        };
+
+        SecretKey expectedSecret = new SecretKeySpec(expectedKey, "AES");
+
+        byte[] wrappedExpected = c.wrap(expectedSecret);
+
+        c.init(Cipher.UNWRAP_MODE, privKey);
+        SecretKey actualSecret = (SecretKey) c.unwrap(wrappedExpected, "AES", Cipher.SECRET_KEY);
+
+        assertEquals(Arrays.toString(expectedSecret.getEncoded()),
+                Arrays.toString(actualSecret.getEncoded()));
+    }
 }