package?com.turing.util;

import?java.security.Key;
import?java.security.MessageDigest;

import?javax.crypto.Cipher;
import?javax.crypto.spec.IvParameterSpec;
import?javax.crypto.spec.SecretKeySpec;
import?org.apache.commons.codec.binary.base64;

/**
?*?aes加密算法
?*?@author?圖靈機(jī)器人
?*
?*/
public?class?Aes?{
	
	private?Key?key;
	/**
	?*?AES?CBC模式使用的Initialization?Vector
	?*/
	private?IvParameterSpec?iv;
	/**
	?*?Cipher?物件
	?*/
	private?Cipher?cipher;

	/**
	?*?構(gòu)造方法
	?*?@param?strKet?
	?*?		密鑰
	?*/
	public?Aes（String?strKey）?{
		try?{
			this.key?=?new?SecretKeySpec（getHash（“MD5“?strKey）?“AES“）;
			this.iv?=?new?IvParameterSpec（new?byte[]?{?0?0?0?0?0?0?0?0
					0?0?0?0?0?0?0?0?}）;
			this.cipher?=?Cipher.getInstance（“AES/CBC/PKCS5Padding“）;
		}?catch?（final?Exception?ex）?{
			throw?new?RuntimeException（ex.getMessage（））;
		}
	}
	
	/**
	?*?加密方法
	?*?
	?*?說(shuō)明：采用128位
	?*?
	?*?@return?加密結(jié)果
	?*/
	public?String?encrypt（String?strContent）?{
		try?{
			byte[]?data?=?strContent.getBytes（“UTF-8“）;
			cipher.init（Cipher.ENCRYPT_MODE?key?iv）;
			byte[]?encryptData?=?cipher.doFinal（data）;
			String?encryptResult?=?new?String（base64.encodebase64（
					encryptData）?“UTF-8“）;
			return?encryptResult;
		}?catch?（Exception?ex）?{
			throw?new?RuntimeException（ex.getMessage（））;
		}
	}

	/**
	?*?
	?*?@param?algorithm
	?*?@param?text
	?*?@return
	?*/
	private?static?byte[]?getHash（String?algorithm?String?text）?{
		try?{
			byte[]?bytes?=?text.getBytes（“UTF-8“）;
			final?MessageDigest?digest?=?MessageDigest.getInstance（algorithm）;
			digest.update（bytes）;
			return?digest.digest（）;
		}?catch?（final?Exception?ex）?{
			throw?new?RuntimeException（ex.getMessage（））;
		}
	}
}

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-04-28?19:16??tuRing_robot\
?????文件?????????836??2019-04-28?17:22??tuRing_robot\.classpath
?????文件????????1045??2019-04-28?18:23??tuRing_robot\.project
?????目錄???????????0??2019-04-28?19:16??tuRing_robot\.settings\
?????文件?????????503??2019-04-28?17:22??tuRing_robot\.settings\.jsdtscope
?????文件?????????364??2019-04-28?17:22??tuRing_robot\.settings\org.eclipse.jdt.core.prefs
?????文件?????????488??2019-04-28?18:23??tuRing_robot\.settings\org.eclipse.wst.common.component
?????文件?????????345??2019-04-28?17:22??tuRing_robot\.settings\org.eclipse.wst.common.project.facet.core.xml
?????文件??????????49??2019-04-28?17:22??tuRing_robot\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2019-04-28?17:22??tuRing_robot\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2019-04-28?19:16??tuRing_robot\build\
?????目錄???????????0??2019-04-28?19:16??tuRing_robot\build\classes\
?????目錄???????????0??2019-04-28?19:16??tuRing_robot\build\classes\com\
?????目錄???????????0??2019-04-28?19:16??tuRing_robot\build\classes\com\turing\
?????目錄???????????0??2019-04-28?19:16??tuRing_robot\build\classes\com\turing\util\
?????文件????????2075??2019-04-28?18:23??tuRing_robot\build\classes\com\turing\util\Aes.class
?????文件????????1311??2019-04-28?18:23??tuRing_robot\build\classes\com\turing\util\Md5.class
?????文件????????2755??2019-04-28?18:23??tuRing_robot\build\classes\com\turing\util\PostServer.class
?????文件????????2768??2019-04-28?18:23??tuRing_robot\build\classes\com\turing\util\TuringServlet.class
?????目錄???????????0??2019-04-28?19:16??tuRing_robot\src\
?????目錄???????????0??2019-04-28?19:16??tuRing_robot\src\com\
?????目錄???????????0??2019-04-28?19:16??tuRing_robot\src\com\turing\
?????目錄???????????0??2019-04-28?19:16??tuRing_robot\src\com\turing\util\
?????文件????????1840??2019-04-28?17:30??tuRing_robot\src\com\turing\util\Aes.java
?????文件????????1122??2019-04-28?17:30??tuRing_robot\src\com\turing\util\Md5.java
?????文件????????1694??2019-04-28?17:29??tuRing_robot\src\com\turing\util\PostServer.java
?????文件????????2001??2019-04-28?17:40??tuRing_robot\src\com\turing\util\TuringServlet.java
?????目錄???????????0??2019-04-28?19:16??tuRing_robot\WebContent\
?????目錄???????????0??2019-04-28?19:16??tuRing_robot\WebContent\css\
?????文件????????6919??2019-04-28?17:24??tuRing_robot\WebContent\css\experience.css
?????目錄???????????0??2019-04-28?19:16??tuRing_robot\WebContent\img\
............此處省略21個(gè)文件信息