package?com.sdhsie.essos.tyrosh.weibo.util;
import?java.io.UnsupportedEncodingException;
import?java.math.BigInteger;
import?java.security.InvalidKeyException;
import?java.security.KeyFactory;
import?java.security.NoSuchAlgorithmException;
import?java.security.interfaces.RSAPublicKey;
import?java.security.spec.InvalidKeySpecException;
import?java.security.spec.RSAPublicKeySpec;
import?javax.crypto.BadPaddingException;
import?javax.crypto.Cipher;
import?javax.crypto.IllegalBlockSizeException;
import?javax.crypto.NoSuchPaddingException;
import?org.apache.commons.codec.binary.Hex;
/**
?*?Created?by?zcx?on?2016/7/6.
?*/
public?class?BigIntegerRSA?{
????public?String?rsaCrypt（String?modeHex?String?exponentHex?String?messageg）
????????????throws?IllegalBlockSizeException?BadPaddingException
????????????NoSuchAlgorithmException?InvalidKeySpecException
????????????NoSuchPaddingException?InvalidKeyException
????????????UnsupportedEncodingException?{
????????KeyFactory?factory?=?KeyFactory.getInstance（“RSA“）;

????????BigInteger?m?=?new?BigInteger（modeHex?16）;?/*?public?exponent?*/
????????BigInteger?e?=?new?BigInteger（exponentHex?16）;?/*?modulus?*/
????????RSAPublicKeySpec?spec?=?new?RSAPublicKeySpec（m?e）;

????????RSAPublicKey?pub?=?（RSAPublicKey）?factory.generatePublic（spec）;
????????Cipher?enc?=?Cipher.getInstance（“RSA“）;
????????enc.init（Cipher.ENCRYPT_MODE?pub）;

????????byte[]?encryptedContentKey?=?enc.doFinal（messageg.getBytes（“GB2312“））;

????????return?new?String（Hex.encodeHex（encryptedContentKey））;
????}
}

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

?????文件???????1581??2016-07-07?09:07??新浪微博模擬登陸\BigIntegerRSA.java

?????文件??????10159??2016-07-08?14:55??新浪微博模擬登陸\SinaLogonDog.java

?????文件???????3174??2016-07-08?09:29??新浪微博模擬登陸\SinaSSOEncoder.java

?????目錄??????????0??2016-07-08?14:55??新浪微博模擬登陸

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

????????????????14914????????????????????4