package?net;

import?java.io.BufferedInputStream;
import?java.io.BufferedReader;
import?java.io.DataInputStream;
import?java.io.DataOutputStream;
import?java.io.File;
import?java.io.FileInputStream;
import?java.io.InputStream;
import?java.io.InputStreamReader;
import?java.io.objectInputStream;
import?java.io.OutputStream;
import?java.net.ServerSocket;
import?java.net.Socket;
import?java.security.interfaces.RSAPublicKey;

import?util.KeyUtils;
import?util.MD5Utils;
import?util.RSAUtils;
import?util.SignUtils;

public?class?A?{

	private?String?info;
	private?String?FILE?=?“d:/test/test.txt“;
	private?String?KEY_FILE?=?“d:/test/A/AKey.dat“;
	private?String?SIGN_FILE?=?“d:/test/A/sign.dat“;
	private?String?RSA_SIGN_FILE?=?“d:/test/A/rsaSign.dat“;
	private?String?RSA_FILE?=?“d:/test/A/rsaTest.dat“;
	private?RSAPublicKey?pubKey;

	public?RSAPublicKey?getPubKey（）?{
		return?pubKey;
	}

	public?void?setPubKey（RSAPublicKey?pubKey）?{
		this.pubKey?=?pubKey;
	}

	public?String?getInfo（）?{
		return?info;
	}

	public?void?setInfo（String?info）?{
		this.info?=?info;
	}

	public?void?init（）?{
		//?創建目錄
		File?f1?=?new?File（“d:/test/A/“）;
		f1.mkdirs（）;
		info?=?MD5Utils.md5（FILE）;
		KeyUtils.createPairKey（KEY_FILE）;
		SignUtils.signInfo（KEY_FILE?info?SIGN_FILE）;
	}

	public?void?send（）?throws?Exception?{
		RSAUtils.encryptToFile（pubKey?SIGN_FILE?RSA_SIGN_FILE）;
		RSAUtils.encryptToFile（pubKey?FILE?RSA_FILE）;
	}

	public?void?start（）?throws?Exception?{

		ServerSocket?ss?=?new?ServerSocket（520）;

		Socket?socket?=?ss.accept（）;

		InputStream?is?=?socket.getInputStream（）;
		DataInputStream?dis?=?new?DataInputStream（is）;
		BufferedReader?br?=?new?BufferedReader（new?InputStreamReader（System.in））;
		OutputStream?os?=?socket.getOutputStream（）;
		DataOutputStream?dos?=?new?DataOutputStream（os）;
		objectInputStream?ois?=?new?objectInputStream（is）;
		String?str1?=?br.readLine（）;
		dos.writeUTF（str1）;
		dos.flush（）;
		String?str2?=?br.readLine（）;
		dos.writeUTF（str2）;
		dos.flush（）;
		String?str3?=?dis.readUTF（）;
		System.out.println（“【A】A接受到B的輸入:“?+?str3）;
		if?（“y“.equalsIgnoreCase（str3））?{
			System.out.println（“【A】AB通話開始......“）;
			System.out.println（“【A】A接收B的公鑰開始......“）;
			setPubKey（（RSAPublicKey）?ois.readobject（））;
			System.out.println（“【A】A接收B的公鑰完畢......“）;
			send（）;
			System.out.println（“【A】A開始發送由B公鑰加密過的密文......“）;
			File?file?=?new?File（RSA_SIGN_FILE）;
			long?length=?file.length（）;
			dos.writeLong（length）;
			BufferedInputStream?bis?=?new?BufferedInputStream（
					new?FileInputStream（RSA_SIGN_FILE））;
			int?a;
			while?（（a?=?bis.read（））?!=?-1）?{
				dos.write（a）;
			}
			bis.close（）;
			BufferedInputStream?bis2?=?new?BufferedInputStream（
					new?FileInputStream（RSA_FILE））;
			int?b;
			while?（（b?=?bis2.read（））?!=?-1）?{
				dos.write（b）;
			}
			bis2.close（）;
			
			System.out.println（“【A】A發送密文文件完畢......“）;
			System.out.println（“【A】AB通話結束...

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????292??2010-11-29?08:59??MySec\.classpath

?????文件????????381??2010-11-29?08:57??MySec\.project

?????文件???????1867??2010-11-29?08:57??MySec\src\util\FileUtils.java

?????文件???????1096??2010-11-29?09:41??MySec\src\util\KeyUtils.java

?????文件????????922??2010-11-29?09:41??MySec\src\util\MD5Utils.java

?????文件???????3454??2010-11-29?09:42??MySec\src\util\RSAUtils.java

?????文件???????2332??2010-11-29?08:57??MySec\src\util\SignUtils.java

?????文件???????1117??2010-11-29?09:40??MySec\src\test\SecTest.java

?????文件???????3254??2010-11-29?09:55??MySec\src\net\A.java

?????文件???????3651??2010-11-29?10:00??MySec\src\net\B.java

?????文件?????953845??2010-11-29?08:58??MySec\lib\jce-jdk13-120.jar

?????文件???????1831??2010-11-29?08:59??MySec\bin\util\FileUtils.class

?????文件???????1336??2010-11-29?09:41??MySec\bin\util\KeyUtils.class

?????文件???????1483??2010-11-29?09:41??MySec\bin\util\MD5Utils.class

?????文件???????2917??2010-11-29?09:42??MySec\bin\util\RSAUtils.class

?????文件???????1658??2010-11-29?08:59??MySec\bin\util\SignUtils.class

?????文件???????1197??2010-11-29?09:40??MySec\bin\test\SecTest.class

?????文件???????4672??2010-11-29?09:55??MySec\bin\net\A.class

?????文件???????4865??2010-11-29?10:00??MySec\bin\net\B.class

?????目錄??????????0??2010-12-10?10:41??MySec\src\util

?????目錄??????????0??2010-12-10?10:41??MySec\src\test

?????目錄??????????0??2010-12-10?10:41??MySec\src\net

?????目錄??????????0??2010-12-10?10:41??MySec\bin\util

?????目錄??????????0??2010-12-10?10:41??MySec\bin\test

?????目錄??????????0??2010-12-10?10:41??MySec\bin\net

?????目錄??????????0??2010-12-10?10:41??MySec\src

?????目錄??????????0??2010-12-10?10:41??MySec\lib

?????目錄??????????0??2010-12-10?10:41??MySec\bin

?????目錄??????????0??2010-12-10?10:41??MySec

-----------?---------??----------?-----??----

............此處省略2個文件信息