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    (c) 1995, 96 by Dirk Paehl Postfach 3720 38027 Braunschweig Germany

                              FREEWARE


CHECK Version 1.4


CHECK is a file-authentication program that may be used to check
other programs for signs of tampering. CHECK uses a discrete
methods to generate Cyclic Redundancy Checks (CRC's), which are then
displayed for the user to compare against the known value for the
program(s) validated. The known validation data can be published by
the author of the program or be obtained from a trusted information
database.  The dual CRC checking provides a high degree of security.

To confirm that a program is in its original, untampered state,
run the CHECK program on it, record the validation data produced,
and compare it against the record in the online database.  If they
match, than it is highly improbable that the program has been modified.

To run CHECK, type:

     CHECK <pathspec>

where <pathspec> is the name of a file or directory.  The wildcard
characters, "*" and "?", may be used when specifying <pathspec>/

The CHECK program will then display the following information:

   <name of directory>

   name of file (starting at row 1)
  �
  �  date of file (starting at row 15)
  �  �
  �  �
  �  � time of file (starting at row 27)
  �  � �
  �  � � size of file (starting at row 37)
  �  � � �
  �  � � � checkmethod (starting at row 53)
  �  � � � �������������������������������������������Ŀ
  �  � � ��������������������������Ŀ                  �
  �  � �                            �                  �
  �  � ��������������������Ŀ       �                  �
  �  ����������Ŀ           �       �                  �
  �             �           �       �                  �
  �             �           �       �                  �
  S             S           S       S                  S
  CHECK.EXE     10-01-1995  03:50p          12636 Byte 6f6a96fff40fa

                <number> file(s) were validated.

 Create on DAY the DATE at TIME
 Time from calculate to create the CRC: TIME Sek.


 Sample: CHECK C:\DOS\*.*
         CHECK C:\DOS\*.* >DOS.TXT


 F-PROT INFO to CHECK:

 D:\PROGDOS\CHECK.EXE is an "armoured" program.
 This means that it uses some "tricks" to make disassembly and analysis
 difficult.  Many games and utilities employ this type of protection,
 but it is also used by some viruses to make heuristic analysis difficult.


 This message is normal, because check is protect.

 ----------------------------------------------------------------------

  F-Prot Info ueber Check:

  D:\PROGDOS\CHECK.EXE enth�lt "gesch�tzten" Code.
  Dies bedeutet, da� das Disassemblieren und die Analyse des Codes
  durch einige Tricks erschwert wird. Viele Spiele und Dienstpro-
  gramme, aber auch Viren setzen solche Schutzmechanismen ein. Da-
  durch wird auch die Datei-Analyse von Viren-Suchprogrammen be-
  hindert.


  Diese Meldung ist normal und kein Grund zur Panik, weil Check
  gesch�tzt ist.