java.lang.NoClassDefFoundError: org/apache/commons/codec/binary/Base64

Admin bitte nicht markieren Sie ihn als doppelte Lesen Sie meine Frage komplett. Ich bin das verschlüsseln und entschlüsseln von text, sondern während des Betriebs in derselben Datei mit der main seine läuft gut, aber wenn ich Anrufe, seine ver-und entschlüsseln-Funktion von außen. Seine Angabe einer Fehlermeldung zur Laufzeit. Ich füge den code ein.
Paket desede;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

import javax.crypto.Cipher;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;

import org.apache.commons.codec.binary.Base64;

import security.SHA256Algo;
import shradhafinalwiddesign.UpdateFile;
import shradhafinalwiddesign.UserRegistration;

import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;

/**
 * Simple TripleDES Encrypt/Decrypt Test 
 * sha1, utf-8, no padding
 *
 * uses commons-codec-1.6 
 * javac -cp :commons-codec-1.6.jar TripleDESTest.java
 * java -cp :commons-codec-1.6.jar TripleDESTest 
 */

public class TripleDesDemo {


    public static void main(String[] args) throws Exception {

        String text = "textToEncrypt";
        UserRegistration user = new UserRegistration() ;
        user.setlUsername("tarunv") ;
        user.setAnswer("tommysdsfdsfsd") ;
        user.setLastaccess("pets namesdfsfds") ;
        user.setLpassword("computersdfdsfd") ;

        String h1 = SHA256Algo.createHash(user.getlUsername()) ;
        String h2 = SHA256Algo.createHash(user.getLpassword()) ;
        String h3 = SHA256Algo.createHash(user.getAnswer()) ;

        String hash1 = UpdateFile.modifyHashValue(h1).substring(0, 24) ;
        String hash2 = UpdateFile.modifyHashValue(h2) ;
        String hash3 = UpdateFile.modifyHashValue(h3) ;

        System.out.println("    key1 : "+hash1.length()+"    key2 : "+hash2.length()+"   key3 : "+hash3.length());
        byte[] arr = toByteArray(user) ;

        byte[] codedtext = TripleDesDemo._encrypt(arr,"[email protected]");
        byte[] codedtext1 = TripleDesDemo._encrypt(codedtext,"[email protected]");
        byte[] codedtext2 = TripleDesDemo._encrypt(codedtext1,"[email protected]");

        writeSmallBinaryFile(codedtext2, "tarun.bat") ;
        byte[] texttoDecrypt = readSmallBinaryFile("tarun.bat");

        byte[] decodedtext = TripleDesDemo._decrypt(texttoDecrypt,"[email protected]");
        byte[] decodedtext1 = TripleDesDemo._decrypt(decodedtext,"[email protected]");
        byte[] decodedtext2 = TripleDesDemo._decrypt(decodedtext1,"[email protected]");

        System.out.println(codedtext + " ---> " + toObject(decodedtext2));

      }


    public static byte[] _encrypt(byte[] plainTextBytes, String secretKey) throws Exception {

        byte[] keyBytes = secretKey.getBytes();

        SecretKey key = new SecretKeySpec(keyBytes, "DESede");
        Cipher cipher = Cipher.getInstance("DESede");
        cipher.init(Cipher.ENCRYPT_MODE, key);

        //byte[] plainTextBytes = message.getBytes("utf-8");
        byte[] buf = cipher.doFinal(plainTextBytes);
        byte [] base64Bytes = Base64.encodeBase64(buf);
        //String base64EncryptedString = new String(base64Bytes);

        return base64Bytes ;
    }

    public static byte[] _decrypt(byte[] encryptedText, String secretKey) throws Exception {

        //byte[] message = Base64.decodeBase64(encryptedText);
        byte[] message = Base64.decodeBase64(encryptedText);
        byte[] keyBytes = secretKey.getBytes();
        SecretKey key = new SecretKeySpec(keyBytes, "DESede");

        Cipher decipher = Cipher.getInstance("DESede");
        decipher.init(Cipher.DECRYPT_MODE, key);

        byte[] plainText = decipher.doFinal(message);
        return plainText ;
        //return toObject(plainText);
    }

    public static byte[] toByteArray(UserRegistration obj) throws IOException {
        byte[] bytes = null;
        ByteArrayOutputStream bos = null;
        ObjectOutputStream oos = null;
        try {
            bos = new ByteArrayOutputStream();
            oos = new ObjectOutputStream(bos);
            oos.writeObject(obj);
            oos.flush();
            bytes = bos.toByteArray();
        } finally {
            if (oos != null) {
                oos.close();
            }
            if (bos != null) {
                bos.close();
            }
        }
        return bytes;
    }

    public static UserRegistration toObject(byte[] bytes) throws IOException, ClassNotFoundException {
        UserRegistration obj = null;
        ByteArrayInputStream bis = null;
        ObjectInputStream ois = null;
        try {
            bis = new ByteArrayInputStream(bytes);
            ois = new ObjectInputStream(bis);
            obj = (UserRegistration) ois.readObject();
        } finally {
            if (bis != null) {
                bis.close();
            }
            if (ois != null) {
                ois.close();
            }
        }
        return obj;
    }

    public static byte[] readSmallBinaryFile(String aFileName) throws IOException {
        Path path = Paths.get(aFileName);
        return Files.readAllBytes(path);
    }

    public static void writeSmallBinaryFile(byte[] aBytes, String aFileName) throws IOException {
        Path path = Paths.get(aFileName);
        Files.write(path, aBytes); //creates, overwrites
    }
}

Dem code ist alles in Ordnung mit Haupt -, aber nicht, wenn ich rufe die Funktion aus einer anderen Klasse, die im anderen Paket. Hier ist die Ausnahme.

Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError: org/apache/commons/codec/binary/Base64   at desede.TripleDesAlgo._encrypt(TripleDesAlgo.java:81)

Und dies ist .classpath-Datei

Vielen Dank im Voraus für jede Hilfe.

InformationsquelleAutor tarun verma | 2014-12-02