--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/com/trilead/ssh2/packets/PacketKexInit.java	Thu May 22 10:41:19 2014 -0700
@@ -0,0 +1,144 @@
+
+package com.trilead.ssh2.packets;
+
+import java.io.IOException;
+import java.security.SecureRandom;
+
+import com.trilead.ssh2.crypto.CryptoWishList;
+import com.trilead.ssh2.transport.KexParameters;
+
+
+/**
+ * PacketKexInit.
+ *
+ * @author Christian Plattner, plattner@trilead.com
+ * @version $Id: PacketKexInit.java,v 1.1 2007/10/15 12:49:55 cplattne Exp $
+ */
+public class PacketKexInit {
+    byte[] payload;
+
+    KexParameters kp = new KexParameters();
+
+    public PacketKexInit(CryptoWishList cwl) {
+        kp.cookie = new byte[16];
+        new SecureRandom().nextBytes(kp.cookie);
+        kp.kex_algorithms = cwl.kexAlgorithms;
+        kp.server_host_key_algorithms = cwl.serverHostKeyAlgorithms;
+        kp.encryption_algorithms_client_to_server = cwl.c2s_enc_algos;
+        kp.encryption_algorithms_server_to_client = cwl.s2c_enc_algos;
+        kp.mac_algorithms_client_to_server = cwl.c2s_mac_algos;
+        kp.mac_algorithms_server_to_client = cwl.s2c_mac_algos;
+        kp.compression_algorithms_client_to_server = cwl.c2s_comp_algos;
+        kp.compression_algorithms_server_to_client = cwl.s2c_comp_algos;
+        kp.languages_client_to_server = new String[] {};
+        kp.languages_server_to_client = new String[] {};
+        kp.first_kex_packet_follows = false;
+        kp.reserved_field1 = 0;
+    }
+
+    public PacketKexInit(byte payload[], int off, int len) throws IOException {
+        this.payload = new byte[len];
+        System.arraycopy(payload, off, this.payload, 0, len);
+        TypesReader tr = new TypesReader(payload, off, len);
+        int packet_type = tr.readByte();
+
+        if (packet_type != Packets.SSH_MSG_KEXINIT)
+            throw new IOException("This is not a KexInitPacket! (" + packet_type + ")");
+
+        kp.cookie = tr.readBytes(16);
+        kp.kex_algorithms = tr.readNameList();
+        kp.server_host_key_algorithms = tr.readNameList();
+        kp.encryption_algorithms_client_to_server = tr.readNameList();
+        kp.encryption_algorithms_server_to_client = tr.readNameList();
+        kp.mac_algorithms_client_to_server = tr.readNameList();
+        kp.mac_algorithms_server_to_client = tr.readNameList();
+        kp.compression_algorithms_client_to_server = tr.readNameList();
+        kp.compression_algorithms_server_to_client = tr.readNameList();
+        kp.languages_client_to_server = tr.readNameList();
+        kp.languages_server_to_client = tr.readNameList();
+        kp.first_kex_packet_follows = tr.readBoolean();
+        kp.reserved_field1 = tr.readUINT32();
+
+        if (tr.remain() != 0)
+            throw new IOException("Padding in KexInitPacket!");
+    }
+
+    public byte[] getPayload() {
+        if (payload == null) {
+            TypesWriter tw = new TypesWriter();
+            tw.writeByte(Packets.SSH_MSG_KEXINIT);
+            tw.writeBytes(kp.cookie, 0, 16);
+            tw.writeNameList(kp.kex_algorithms);
+            tw.writeNameList(kp.server_host_key_algorithms);
+            tw.writeNameList(kp.encryption_algorithms_client_to_server);
+            tw.writeNameList(kp.encryption_algorithms_server_to_client);
+            tw.writeNameList(kp.mac_algorithms_client_to_server);
+            tw.writeNameList(kp.mac_algorithms_server_to_client);
+            tw.writeNameList(kp.compression_algorithms_client_to_server);
+            tw.writeNameList(kp.compression_algorithms_server_to_client);
+            tw.writeNameList(kp.languages_client_to_server);
+            tw.writeNameList(kp.languages_server_to_client);
+            tw.writeBoolean(kp.first_kex_packet_follows);
+            tw.writeUINT32(kp.reserved_field1);
+            payload = tw.getBytes();
+        }
+
+        return payload;
+    }
+
+    public KexParameters getKexParameters() {
+        return kp;
+    }
+
+    public String[] getCompression_algorithms_client_to_server() {
+        return kp.compression_algorithms_client_to_server;
+    }
+
+    public String[] getCompression_algorithms_server_to_client() {
+        return kp.compression_algorithms_server_to_client;
+    }
+
+    public byte[] getCookie() {
+        return kp.cookie;
+    }
+
+    public String[] getEncryption_algorithms_client_to_server() {
+        return kp.encryption_algorithms_client_to_server;
+    }
+
+    public String[] getEncryption_algorithms_server_to_client() {
+        return kp.encryption_algorithms_server_to_client;
+    }
+
+    public boolean isFirst_kex_packet_follows() {
+        return kp.first_kex_packet_follows;
+    }
+
+    public String[] getKex_algorithms() {
+        return kp.kex_algorithms;
+    }
+
+    public String[] getLanguages_client_to_server() {
+        return kp.languages_client_to_server;
+    }
+
+    public String[] getLanguages_server_to_client() {
+        return kp.languages_server_to_client;
+    }
+
+    public String[] getMac_algorithms_client_to_server() {
+        return kp.mac_algorithms_client_to_server;
+    }
+
+    public String[] getMac_algorithms_server_to_client() {
+        return kp.mac_algorithms_server_to_client;
+    }
+
+    public int getReserved_field1() {
+        return kp.reserved_field1;
+    }
+
+    public String[] getServer_host_key_algorithms() {
+        return kp.server_host_key_algorithms;
+    }
+}