--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/app/src/main/java/ch/ethz/ssh2/packets/PacketUserauthRequestPublicKey.java	Thu Dec 03 11:23:55 2015 -0800
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2006-2011 Christian Plattner. All rights reserved.
+ * Please refer to the LICENSE.txt for licensing details.
+ */
+package ch.ethz.ssh2.packets;
+
+import java.io.IOException;
+
+import ch.ethz.ssh2.PacketFormatException;
+import ch.ethz.ssh2.PacketTypeException;
+
+/**
+ * @author Christian Plattner
+ * @version $Id: PacketUserauthRequestPublicKey.java 160 2014-05-01 14:30:26Z dkocher@sudo.ch $
+ */
+public final class PacketUserauthRequestPublicKey {
+
+    private final byte[] payload;
+
+    public PacketUserauthRequestPublicKey(String serviceName, String user,
+                                          String pkAlgorithmName, byte[] pk, byte[] sig) {
+        TypesWriter tw = new TypesWriter();
+        tw.writeByte(Packets.SSH_MSG_USERAUTH_REQUEST);
+        tw.writeString(user);
+        tw.writeString(serviceName);
+        tw.writeString("publickey");
+        tw.writeBoolean(true);
+        tw.writeString(pkAlgorithmName);
+        tw.writeString(pk, 0, pk.length);
+        tw.writeString(sig, 0, sig.length);
+        payload = tw.getBytes();
+    }
+
+    public PacketUserauthRequestPublicKey(byte payload[]) throws IOException {
+        this.payload = payload;
+        TypesReader tr = new TypesReader(payload);
+        int packet_type = tr.readByte();
+
+        if (packet_type != Packets.SSH_MSG_USERAUTH_REQUEST) {
+            throw new PacketTypeException(packet_type);
+        }
+
+        String userName = tr.readString();
+        String serviceName = tr.readString();
+        String method = tr.readString();
+
+        if (!method.equals("publickey")) {
+            throw new IOException(String.format("Unexpected method %s", method));
+        }
+
+        if (tr.remain() != 0) {
+            throw new PacketFormatException(String.format("Padding in %s", Packets.getMessageName(packet_type)));
+        }
+    }
+
+    public byte[] getPayload() {
+        return payload;
+    }
+}