package?com.zfsoft.xgxt.xtgl;

import?java.security.KeyPair;
import?java.security.interfaces.RSAPrivateKey;
import?java.security.interfaces.RSAPublicKey;

import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpSession;

import?xgxt.utils.String.StringUtils;

import?com.zfsoft.xgxt.base.util.RSAUtils;

/*******RSA登錄工具**********/
public?class?RSALoginService?{

	private?static?final?String?PRIVATE_KEY_ATTRIBUTE_NAME?=?“privateKey“;

	/*****生成密鑰對，返回公鑰、私鑰放session********/
	public?RSAPublicKey?generateKey（HttpServletRequest?request）?{
		KeyPair?keyPair?=?RSAUtils.generateKeyPair（）;
		RSAPublicKey?publicKey?=?（RSAPublicKey）?keyPair.getPublic（）;
		RSAPrivateKey?privateKey?=?（RSAPrivateKey）?keyPair.getPrivate（）;
		HttpSession?session?=?request.getSession（）;
		session.setAttribute（PRIVATE_KEY_ATTRIBUTE_NAME?privateKey）;
		return?publicKey;
	}

	/*******從session中清除私鑰*************/
	public?void?removePrivateKey（HttpServletRequest?request）?{
		HttpSession?session?=?request.getSession（）;
		session.removeAttribute（PRIVATE_KEY_ATTRIBUTE_NAME）;
	}

	
	/*********解密字符串*****************/
	public?String?decryptParameter（String?parameter?HttpServletRequest?request）?{
		if?（parameter?!=?null）?{
			HttpSession?session?=?request.getSession（）;
			RSAPrivateKey?privateKey?=?（RSAPrivateKey）?session.getAttribute（PRIVATE_KEY_ATTRIBUTE_NAME）;
			if?（privateKey?!=?null?&&?StringUtils.isNotNull（parameter））?{
				return?RSAUtils.decrypt（privateKey?parameter）;
			}
		}
		return?null;
	}
	
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2015-09-15?15:44??rsa加密登錄示例\
?????文件?????????886??2015-09-15?15:44??rsa加密登錄示例\action相關代碼.txt
?????文件?????1997327??2015-09-15?10:57??rsa加密登錄示例\bcprov-jdk15on-1.47.jar
?????文件??????232771??2015-09-15?14:03??rsa加密登錄示例\commons-codec-1.6.jar
?????文件????????1177??2015-09-15?15:41??rsa加密登錄示例\jsp相關代碼.txt
?????目錄???????????0??2015-09-15?15:37??rsa加密登錄示例\rsa\
?????文件????????1624??2015-09-15?11:47??rsa加密登錄示例\rsa\base64.js
?????文件???????15175??2015-09-15?11:45??rsa加密登錄示例\rsa\jsbn.js
?????文件????????1009??2015-09-15?11:45??rsa加密登錄示例\rsa\prng4.js
?????文件????????1883??2015-09-15?11:45??rsa加密登錄示例\rsa\rng.js
?????文件????????2644??2015-09-15?11:45??rsa加密登錄示例\rsa\rsa.js
?????文件????????1581??2015-09-15?14:17??rsa加密登錄示例\RSALoginService.java
?????文件????????4737??2015-09-15?14:15??rsa加密登錄示例\RSAUtils.java