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Full Discussion: Problem with the Characters!!!
Operating Systems AIX Problem with the Characters!!! Post 302217651 by bakunin on Wednesday 23rd of July 2008 08:59:31 AM
Old 07-23-2008
Probably different character maps? Did you write the encryption algorithm yourself or do you rely on some sort of library? If the latter is the case maybe the algorithms are different or just use a different "seed" to come to different results.

A good encryption algorithm gives to different results even with the same input - this way you have no way to get the input from the result without knowing the algorithm and knowing the secret information. An algorithm which gives, for instance, a "B" for every "A" is more likely to be compromised than one which gives a "B" first and a "C" for the next pass and an "X" for the next aso..

I hope this helps.

bakunin
 

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LEARN ABOUT CENTOS

charmap

CHARMAP(5)							 Linux User Manual							CHARMAP(5)

NAME

       charmap - character symbols to define character encodings

DESCRIPTION

       A  character  set  description (charmap) defines a character set of available characters and their encodings.  All supported character sets
       should have the portable character set as a proper subset.

   Syntax
       The charmap file starts with a header, that may consist of the following keywords:

       <codeset>
	      is followed by the name of the codeset.

       <mb_cur_max>
	      is followed by the max number of bytes for a multibyte-character.  Multibyte characters are currently not  supported.   The  default
	      value is 1.

       <mb_cur_min>
	      is  followed  by	the  min number of bytes for a character.  This value must be less or equal than mb_cur_max.  If not specified, it
	      defaults to mb_cur_max.

       <escape_char>
	      is followed by a character that should be used as the escape-character for the rest of the file to mark characters  that	should	be
	      interpreted in a special way.  It defaults to the backslash (  ).

       <comment_char>
	      is  followed by a character that will be used as the comment-character for the rest of the file.	It defaults to the number sign ( #
	      ).

       The charmap-definition itself starts with the keyword CHARMAP in column 1.

       The following lines may have one of the two following forms to define the character-encodings:

       <symbolic-name> <encoding> <comments>
	      This form defines exactly one character and its encoding.

       <symbolic-name>...<symbolic-name> <encoding> <comments>
	      This form defines a couple of characters.  This is useful only for multibyte-characters, which are currently not implemented.

       The last line in a charmap-definition file must contain END CHARMAP.

   Symbolic names
       A symbolic name for a character contains only characters of the portable character set.	The name itself is enclosed between  angle  brack-
       ets.   Characters  following  an  <escape_char> are interpreted as itself; for example, the sequence <\>> represents the symbolic name >
       enclosed in angle brackets.

   Character encoding
       The encoding may be in each of the following three forms:

       <escape_char>d<number>
	      with a decimal number

       <escape_char>x<number>
	      with a hexadecimal number

       <escape_char><number>
	      with an octal number.

FILES

       /usr/share/i18n/charmaps/*

CONFORMING TO

       POSIX.2.

SEE ALSO

       locale(1), localedef(1), localeconv(3), setlocale(3), locale(5)

COLOPHON

       This page is part of release 3.53 of the Linux man-pages project.  A description of the project, and information about reporting bugs,  can
       be found at http://www.kernel.org/doc/man-pages/.

								    1994-11-28								CHARMAP(5)
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