Implement RFC 822 Address Identification

This class:
- Creates a new class that represents RFC822 address IKE
  Identification
- Supports decoding ID payload with this ID type
- Adds tests for decoding and encoding

Bug: 142139930
Test: atest FrameworksIkeTests(all tests passed)
Change-Id: Ied38696ae658a998383f8321e1fba22ecadf3a4c

1 files changed, 32 insertions, 0 deletions

diff --git a/tests/iketests/src/java/com/android/ike/ikev2/message/IkeIdPayloadTest.java b/tests/iketests/src/java/com/android/ike/ikev2/message/IkeIdPayloadTest.java
index f6ef41e1..cccbba12 100644
--- a/tests/iketests/src/java/com/android/ike/ikev2/message/IkeIdPayloadTest.java
+++ b/tests/iketests/src/java/com/android/ike/ikev2/message/IkeIdPayloadTest.java
@@ -25,6 +25,7 @@ import com.android.ike.ikev2.IkeFqdnIdentification;
 import com.android.ike.ikev2.IkeIdentification;
 import com.android.ike.ikev2.IkeIpv4AddrIdentification;
 import com.android.ike.ikev2.IkeIpv6AddrIdentification;
+import com.android.ike.ikev2.IkeRfc822AddrIdentification;
 import com.android.ike.ikev2.exceptions.AuthenticationFailedException;
 
 import org.junit.Test;
@@ -52,6 +53,12 @@ public final class IkeIdPayloadTest {
             "02000000696B652E616E64726F69642E6E6574";
     private static final String FQDN = "ike.android.net";
 
+    private static final String RFC822_ADDR_ID_PAYLOAD_HEX_STRING =
+            "2500001e03000000616e64726f6964696b65406578616d706c652e636f6d";
+    private static final String RFC822_ADDR_ID_PAYLOAD_BODY_HEX_STRING =
+            "03000000616e64726f6964696b65406578616d706c652e636f6d";
+    private static final String RFC822_NAME = "androidike@example.com";
+
     private static final int ID_TYPE_OFFSET = 0;
 
     @Test
@@ -94,6 +101,18 @@ public final class IkeIdPayloadTest {
     }
 
     @Test
+    public void testDecodeRfc822AddrIdPayload() throws Exception {
+        byte[] inputPacket = TestUtils.hexStringToByteArray(RFC822_ADDR_ID_PAYLOAD_BODY_HEX_STRING);
+        IkeIdPayload payload =
+                new IkeIdPayload(false /*critical*/, inputPacket, true /*isInitiator*/);
+
+        assertEquals(IkePayload.PAYLOAD_TYPE_ID_INITIATOR, payload.payloadType);
+        assertEquals(IkeIdentification.ID_TYPE_RFC822_ADDR, payload.ikeId.idType);
+        IkeRfc822AddrIdentification ikeId = (IkeRfc822AddrIdentification) payload.ikeId;
+        assertEquals(RFC822_NAME, ikeId.rfc822Name);
+    }
+
+    @Test
     public void testDecodeUnsupportedIdType() throws Exception {
         byte[] inputPacket =
                 TestUtils.hexStringToByteArray(IPV4_ADDR_ID_PAYLOAD_RESPONDER_BODY_HEX_STRING);
@@ -143,4 +162,17 @@ public final class IkeIdPayloadTest {
         byte[] expectedBytes = TestUtils.hexStringToByteArray(FQDN_ID_PAYLOAD_HEX_STRING);
         assertArrayEquals(expectedBytes, inputBuffer.array());
     }
+
+    @Test
+    public void testConstructAndEncodeRfc822AddrIdPayload() throws Exception {
+        IkeIdPayload payload =
+                new IkeIdPayload(
+                        true /*isInitiator*/, new IkeRfc822AddrIdentification(RFC822_NAME));
+
+        ByteBuffer inputBuffer = ByteBuffer.allocate(payload.getPayloadLength());
+        payload.encodeToByteBuffer(IkePayload.PAYLOAD_TYPE_CERT, inputBuffer);
+
+        byte[] expectedBytes = TestUtils.hexStringToByteArray(RFC822_ADDR_ID_PAYLOAD_HEX_STRING);
+        assertArrayEquals(expectedBytes, inputBuffer.array());
+    }
 }