Examples of com.encryption.DesEncrypter

    SecretKey key;
    try {
      key = KeyGenerator.getInstance("DES").generateKey();


      // Create encrypter/decrypter class
      DesEncrypter encrypter = new DesEncrypter(key);
      // Encrypt
      File encryptedFile = new File(uploadFile.getAbsolutePath() + ".des");
      encrypter.encrypt(new FileInputStream(uploadFile),
          new FileOutputStream(encryptedFile));


      /*
       * 利用公钥加密DES密钥
       */

     * 根据数据密钥，构造DesEncrypter对象
     */
    // Create encrypter/decrypter class
    SecretKeySpec key = new SecretKeySpec(dataKey, "DES");


    DesEncrypter decrypter = new DesEncrypter(key);


    /*
     * DesEncrypter对象调用解密模块，解密出原始文件
     */
    File decryptedFile = new File(file.getAbsolutePath() + ".dec");
    InputStream in = null;
    try {
      decrypter.decrypt(new FileInputStream(file), new FileOutputStream(
          decryptedFile));
      /*
       * 返回封装了原始文件的输入流
       */
      in = new FileInputStream(decryptedFile);

Related Classes of com.encryption.DesEncrypter

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