package?aes;
import?java.io.UnsupportedEncodingException;
import?java.security.InvalidAlgorithmParameterException;
import?java.security.InvalidKeyException;
import?java.security.NoSuchAlgorithmException;
import?javax.crypto.BadPaddingException;
import?javax.crypto.Cipher;
import?javax.crypto.IllegalBlockSizeException;
import?javax.crypto.NoSuchPaddingException;
import?javax.crypto.spec.IvParameterSpec;
import?javax.crypto.spec.SecretKeySpec;

public?class?AESTest?{
	
	public?static?void?main（String?args[]）?throws?UnsupportedEncodingException?InvalidAlgorithmParameterException{
		System.out.println（System.getProperty（“file.encoding“））;

		//加密內(nèi)容
		String?content?=?“密碼學中的高級加密標準（AdvancedEncryptionStandard，AES）。“;
		//String?content?=?“test123456“;
		//為與Delphi編碼統(tǒng)一，將字符轉(zhuǎn)為UTF8編碼（其他語言也相同）
		//String?ss=new?String（content.getBytes（）“UTF-8“）;
		//密鑰
		String?password?=?“1234567890123456“;
????????System.out.println（“加密前：“?+?content）;
????????byte[]?encryptResult?=?encrypt（content?password32）;?//16位密鑰長度128位、24位密鑰長度192、32位密鑰長度256（在delphi中對應(yīng)kb128、kb192、快播56）
????????System.out.println（“加密后：“?+?parseByte2HexStr（encryptResult））;//將加密后編碼轉(zhuǎn)為16進制編碼
?
????????byte[]?decryptResult?=?decrypt（encryptResultpassword32）;
????????System.out.println（“解密后：“?+?new?String（decryptResult））;????
	}
	
	
????/**
?????*?加密
?????*?
?????*?@param?content?需要加密的內(nèi)容
?????*?@param?password??加密密碼
?????*?@param?keySize?密鑰長度162432
?????*?@return
?????*?@throws?UnsupportedEncodingException?
?????*?@throws?InvalidAlgorithmParameterException?
?????*/

????public?static?byte[]?encrypt（String?content?String?password?int?keySize）?throws?UnsupportedEncodingException?InvalidAlgorithmParameterException?{
????????????try?{??????????????????????????????
????????????	//密鑰長度不夠用0補齊。
????????		SecretKeySpec?key?=?new?SecretKeySpec（ZeroPadding（password.getBytes（）?keySize）?“AES“）;
????????		//定義加密算法AES、算法模式ECB、補碼方式PKCS5Padding
????????????????//Cipher?cipher?=?Cipher.getInstance（“AES/ECB/PKCS5Padding“）;
????????		//定義加密算法AES?算法模式CBC、補碼方式PKCS5Padding
????????????????Cipher?cipher?=?Cipher.getInstance（“AES/CBC/PKCS5Padding“）;
????????????????//CBC模式模式下初始向量?不足16位用0補齊
????????????????IvParameterSpec?iv?=?new?IvParameterSpec（ZeroPadding（“1234567890123456“.getBytes（）16））;
????????????????byte[]?byteContent?=?content.getBytes（）;??
????????????????//初始化加密
????????????????//ECB
????????????????//cipher.init（Cipher.ENCRYPT_MODE?key）;
????????????????//CBC?
				cipher.init（Cipher.ENCRYPT_MODE?keyiv）;????????????????
????????????????byte[]?result?=?cipher.doFinal（byteContent）;
????????????????return?result;?
????????????}?catch?（NoSuchAlgorithmException?e）?{
????????????????????e.printStackTrace（）;
????????????}?catch?（NoSuchPaddingException?e）?{
????????????????????e.printStackTrace（）;
????????????}?catch?（InvalidKeyException?e）?{
????????????????????e.printStackTrace（）;
????????????}?catch?（IllegalBlockSizeException?e）?{
????????????

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2016-03-30?20:26??JAVA\
?????文件????????6730??2016-03-30?20:39??JAVA\AESTest.java
?????文件?????????598??2016-03-30?20:45??Readme.txt
?????目錄???????????0??2016-03-30?20:23??Delphi\
?????文件?????????274??2016-03-23?15:49??Delphi\AesTest.dpr
?????文件???????27916??2016-03-24?12:54??Delphi\AesTest.dproj
?????文件????????1201??2016-03-24?12:54??Delphi\AesTest.dproj.local
?????文件?????????155??2016-03-29?16:21??Delphi\AesTest.identcache
?????文件???????58468??2016-03-24?13:10??Delphi\AesTest.res
?????文件?????????176??2016-03-29?16:21??Delphi\AesTest.stat
?????文件??????139553??2015-08-19?09:06??Delphi\ElAES.pas
?????文件????????8654??2016-03-30?20:00??Delphi\JDAESExtend.pas
?????文件????????2589??2015-08-19?09:06??Delphi\untAES.pas
?????文件????????3809??2016-03-29?15:19??Delphi\untTest.dfm
?????文件????????3991??2016-03-30?19:50??Delphi\untTest.pas