--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/java.security.jgss/share/classes/sun/security/krb5/internal/crypto/Aes128CtsHmacSha2EType.java	Mon Jan 22 12:00:41 2018 +0800
@@ -0,0 +1,112 @@
+/*
+ * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.security.krb5.internal.crypto;
+
+import sun.security.krb5.KrbCryptoException;
+import sun.security.krb5.internal.*;
+import java.security.GeneralSecurityException;
+import sun.security.krb5.EncryptedData;
+import sun.security.krb5.Checksum;
+
+/*
+ * This class encapsulates the encryption type for aes128-cts-hmac-sha256-128
+ */
+
+public final class Aes128CtsHmacSha2EType extends EType {
+
+    public int eType() {
+        return EncryptedData.ETYPE_AES128_CTS_HMAC_SHA256_128;
+    }
+
+    public int minimumPadSize() {
+        return 0;
+    }
+
+    public int confounderSize() {
+        return blockSize();
+    }
+
+    public int checksumType() {
+        return Checksum.CKSUMTYPE_HMAC_SHA256_128_AES128;
+    }
+
+    public int checksumSize() {
+        return Aes128Sha2.getChecksumLength();
+    }
+
+    public int blockSize() {
+        return 16;
+    }
+
+    public int keyType() {
+        return Krb5.KEYTYPE_AES;
+    }
+
+    public int keySize() {
+        return 16; // bytes
+    }
+
+    public byte[] encrypt(byte[] data, byte[] key, int usage)
+        throws KrbCryptoException {
+        byte[] ivec = new byte[blockSize()];
+        return encrypt(data, key, ivec, usage);
+    }
+
+    public byte[] encrypt(byte[] data, byte[] key, byte[] ivec, int usage)
+        throws KrbCryptoException {
+        try {
+            return Aes128Sha2.encrypt(key, usage, ivec, data, 0, data.length);
+        } catch (GeneralSecurityException e) {
+            KrbCryptoException ke = new KrbCryptoException(e.getMessage());
+            ke.initCause(e);
+            throw ke;
+        }
+    }
+
+    public byte[] decrypt(byte[] cipher, byte[] key, int usage)
+        throws KrbApErrException, KrbCryptoException {
+        byte[] ivec = new byte[blockSize()];
+        return decrypt(cipher, key, ivec, usage);
+    }
+
+    public byte[] decrypt(byte[] cipher, byte[] key, byte[] ivec, int usage)
+        throws KrbApErrException, KrbCryptoException {
+        try {
+            return Aes128Sha2.decrypt(key, usage, ivec, cipher, 0, cipher.length);
+        } catch (GeneralSecurityException e) {
+            KrbCryptoException ke = new KrbCryptoException(e.getMessage());
+            ke.initCause(e);
+            throw ke;
+        }
+    }
+
+    // Override default, because our decrypted data does not return confounder
+    // Should eventually get rid of EType.decryptedData and
+    // EncryptedData.decryptedData altogether
+    public byte[] decryptedData(byte[] data) {
+        return data;
+    }
+}