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https://gitee.com/liuxioabin/fengketrade.git
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108 lines
3.1 KiB
Java
108 lines
3.1 KiB
Java
package B2C.PUB;
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import java.io.IOException;
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import java.io.UnsupportedEncodingException;
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import java.net.URLDecoder;
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import java.net.URLEncoder;
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import java.security.InvalidAlgorithmParameterException;
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import java.security.InvalidKeyException;
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import java.security.NoSuchAlgorithmException;
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import java.security.NoSuchProviderException;
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import java.security.Security;
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import javax.crypto.BadPaddingException;
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import javax.crypto.Cipher;
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import javax.crypto.IllegalBlockSizeException;
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import javax.crypto.NoSuchPaddingException;
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import javax.crypto.ShortBufferException;
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import javax.crypto.spec.IvParameterSpec;
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import javax.crypto.spec.SecretKeySpec;
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import org.bouncycastle.jce.provider.BouncyCastleProvider;
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import sun.misc.BASE64Decoder;
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import sun.misc.BASE64Encoder;
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public class MCipherDecode {
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static {
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if(Security.getProvider("BC")==null)
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{
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Security.addProvider(new BouncyCastleProvider());
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}
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}
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private String encryptKey = "12345678";
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public MCipherDecode(String key)
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{
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encryptKey = key.substring(0, 8);
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}
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public String getEncryptKey() {
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return encryptKey;
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}
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public void setEncryptKey(String encryptKey) {
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this.encryptKey = encryptKey.substring(0,8);
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}
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private static byte[] getSrcBytes(byte[] srcBytes, byte[] wrapKey) throws NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException, ShortBufferException, IllegalBlockSizeException, BadPaddingException, NoSuchProviderException, InvalidAlgorithmParameterException
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{
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SecretKeySpec key = new SecretKeySpec(wrapKey, "DES");
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Cipher cipher = Cipher.getInstance("DES/ECB/PKCS5Padding","BC");
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cipher.init(Cipher.DECRYPT_MODE, key);
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byte[] cipherText = cipher.doFinal(srcBytes);
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return cipherText;
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}
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public static byte[] DecodeBase64String(String base64Src) throws IOException
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{
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BASE64Decoder de = new BASE64Decoder();
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byte[] base64Result = de.decodeBuffer(base64Src);
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return base64Result;
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}
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public String getDecodeString(String urlString) throws IOException, InvalidKeyException, NoSuchAlgorithmException, NoSuchPaddingException, ShortBufferException, IllegalBlockSizeException, BadPaddingException, NoSuchProviderException, InvalidAlgorithmParameterException
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{
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String tempString = URLDecoder.decode(urlString, "iso-8859-1");
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String basedString = tempString.replaceAll(",", "+");
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byte[] tempBytes = DecodeBase64String(basedString);
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byte[] tempSrcBytes = getSrcBytes(tempBytes,encryptKey.getBytes("iso-8859-1"));
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return new String(tempSrcBytes,"iso-8859-1");
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}
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public static void main(String[] agrs){
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String key = "f6528d5c335b7092fc9ec1b3020111";
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String str = "÷<EFBFBD><EFBFBD><EFBFBD><EFBFBD>|6214662020019275";
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String cipherdURL = "AWWo2KKeATj6XxRglo7uaR0yZ2QQtCW%2C";
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//ʹ<><CAB9>MCipherDecode.java<76><61><EFBFBD>е<EFBFBD>getDecodeString(String urlString)<29><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>н<EFBFBD><D0BD>ܣ<EFBFBD><DCA3><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>£<EFBFBD>
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try {
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MCipherDecode mcd = new MCipherDecode(key);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Կ
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String decodedString = mcd.getDecodeString(cipherdURL);//<2F><><EFBFBD><EFBFBD>
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byte[] tempByte = decodedString.getBytes("ISO-8859-1");
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decodedString = new String(tempByte,"GBK");
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System.out.println("decodedString-- " + decodedString);
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}catch(Exception e){
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e.printStackTrace();
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}
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}
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}
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