Informatika | Informatikai biztonság » Borbás Gergely - Kriptográfiai protokollok intelligens kártyákon

                                                                                                                     !                          & !  "" #$% '                            &  (" )# *                        +    !  ,"                             ! - %                            !   . /                        ! "   !        %/ %       !+          / . 1 #  *      

("   "  # 0.              $ %  1       %     0      %        )     " 4  0    5    ) (    "/       0 6  3     *  %     *     "  # 2     ("    0 1  "   0   " /1          ($ .7  0/ "   % )    %   20 3$       )  $       "1   " 1 "     81      )  ( 1 "      *1   3 %/    #  1    1 "  1 " 1  (  %  $ %01 "  "0 53    /  $ %  "  %1      9)  . 33 %    4    

     1 "      1      #  1      :1  //       /  *" $    /1     %  9  1 (      0  1    $  1 "  0/ :3.        %  7  )       !  1   0   1 "   ( /    %  )   1 %  3    %   "0/ 1 %       3  ( / 3   3$  "   7 % 2 1   :%  1 %    2 1 4    1 "      1     %$  "   "     #   %  )  .3 %     3"   1 "  9    (    $     /   1   9 $1    ;   ( 1                ( /    #    .1  " /     ) # 0 . 1  "

  $03   1  %  ( 1 0/  9     %   3  1 "  ( <# =  %"  6  1   8 > ( /7 3%    1 "  " "  1    #        )  % "        $3 3. ( /  5/7   1 "         %" %  ( / %  )  0 1       .  0 3    .  "  %  1 "    9 $   % 1    0  1 %   9    4   3%     3*       #   0  1 #.      /1         ? %    . %          % 1    ? 9     %           1 "  20       0 *   4  3$    # "/0    3    ) 1   9     9 .   *1     

0@ /  3   %   1   *"/ ?          9    ?1   ' "    %         4   0     % ) "/1     9       %  $   201         #3  "  "     ( 4   9     1 "   * 1 "       "  "     %    9 $1   %     ( /)  A    3 ( "          $3 3. 9      1  "  3  1 "     % )   9 .   5       %/      (    3    /1  #  1    "    1  /     %           # %.1 "  0             "    2  "1  "  *  1        

 %  9 . 3   *1  %     *%       )     %   ( /0 9  1  "      1 *   33       *" . >          %      )  2 "    .    #  ( /  "    /1  9   %  1   @      " .1 "     1 "      1 "      1    $   9 "    # "/      :        3   1 1  B)      1 "      #  ( / % 1  % %      :  1 "        #  ( / 3 1 "  %         # "/  0  0 3     #3  # "/1   )     #  ( / %  0 1  # ""   . 3$  / * /     1    

33       7 #  ( /    "1 "      7  3    ) *  3      %0      ""  " /    *      1      &     9 " C  0     # ) 0 "     %  (21  %   1        1      1    *  ?  %  3  1    3 (  0  1 ) / %    :. #     )  % ?  "     " *1 %   # "/   1 0  #    <,>= 0    0 $ 4.3   0$  .  $3 3        "      1     01    # 0    $      *   201 "     % 01      %    $     3 1  1    "

1        "    1      3 :       $  0  1        #  ( / 4   % *$ "   9  1    1   .  "   # 0    # *0$     )    1    %/*"0              )  # 0          :*        "     ) 0     0% #  1     % 1  209)      " . % 0 430/      " /  " 0  7  %        .   ) (    "/7 .3  %   6   )%  0 30$81 % 6 81     0 %       9   6 81    (   %  %    ."3 "  20    0 7 .3  )  )"   $1  %  (3 1  1          1 

 4""   ")         0  9   ) :%      ) )% 1     1 %$     % 00   5      6 8 0   )  )" 1          #  . 3  0/%*/    0   3%  0$  *   0 $1   $ $  # "/   9    *")    1  ( / $ 1 "  3 1 "   1 "  )9  "" #3  1   0  % $   )   20   )  1 " .  %   D   )   / ($      $ #31  1 (%  "        #         *   1 "  "   3  ) 1   1  % 0    5 %    ( /01 3  "/1 "        )  # "/1      $$ %          

    # "/ )     9 33   "    .   "   1        */            %"   $. 33    3 3             9   " .  1 /    6 8         (   *"07 "    # $  % &  .        %/0   %/*  # "/ %    % . %/          % 0   9  ( / . 6    81 0  #  . 3   (3    0  )      #  ( /  "  $% " 0 "   /    ("    1 "   # "/"   $ 3  #  ( /   "   3 %/ #    "    /     0   "/ )   # "     ) * 

"      1   "     * $ %       4 $ 0/       #       E     " .  ( / #     # "/        . 1 "       3  (  1      .   %"/ %/*     #. %   1 "   %/  "  >  %   " "    01 0 )  1     " *"/   :3    $#33  0         '#$ # $ ($ #&  ) % "  $3 3  01 "   9       ) 1  $ %)   .  ) ( / "   * 6    % $ )     8 %  ( 6 F)  9 8  /     " *  " 1     "    .  )    3 *  ()    :1     

 9  7  "  1 %  1        #   %   3. (  0    3%   ( / .   )          /  :3   ) (    )*! $  &      33  0  $3    " ) $1 "     "    /   # "/    .      / "/   1        /           0  1   # %    9         /  #  . * 0    4       " 7  %  /"    1   9 " . %  6           /)   3    " 0     " .             # )   " .  8  "/  %  #3  < #  ( /( /1   . "   :   =1    /   1  $   9      

."31 0 0 %  %$  "    + G %%/ "      1 "  (   9     "    * 1    3     .  "  *    %.   1  %  9  %  20 9   ( 2%     . <% "=1     0       G " . %  1 "     (   *0  "   )      1  *"            #33 1 / 0   *   3      0      /0  "  %. %  / 0  0   # "/    $         % "   # .  "  3  1 "  H       5 )    0/ 0 1     20  1 .   # "/       *  1     %    3   %" . 1 "    %   :  *   ) # .

   ) 1      .         0     . 1    *    *       9 . ) 3 1    $1 "   %/   */0 (    "    /  1 " /   0         + ,  $ *-   ! # &     %/*      :   # "/ $$ % %    (   3 1   %  */  1  )     $ (   "      %     .  4 #            1 "   # "/  " 3  )  (  1    *  ") % 1   9   %   $.  ( /  1 %       (  # "   9       0   (   "%  6  " 9 .8 " *   %  7   $   ( /1 2    

  2  3 * 9 . % *  "       3   I    3  1 "       9 .   :  0   "   *  *  %     .            0 )  . "  7      1 "   ( $   #%  9 . 1  / */  #"/1  33         " 1 "   (   9   :    )         9   # "/    $" 1 "  9  ( / 3  "             1   % ) 9 .      % %.0%  33  "/      (/         %  *7     3 3    "  3  1   (  )  *"1 "  /         4  #  1 "       1 ( /       %   $

J  : (   $#3  $031   $" .1 "   $33  :3      # #   3      %  .                         9      "        3   % 1         %  (2   1    68)       .  #    " *  1    0 &     0  :8  "        1    *  .           #  .   6  K         %    3   0 " /  2  /1 "    * ) %  1  ) 6 ) C      8 K   $  "  3%  .7      :    1 "  /       3*  1    ) 3  1  * #  0 "   L       0     $       * 1    

3%  . *  0 $1  #      3%  (          1     *  07       H     )        1        1          #- 4    .    .    ) 1       %/*:    "/ #    "/1 "      %        3 % %   ( B/) 7    ) .        3%      ) .           1  %    %        J   )    )  " %   1       % H           1 ) "               0 $   "         $3 3.    "   4  %           %   :   )        50          C   )  %  3$ ) 1 

    %  3  7      %   %   H   )  %  $ % 1 )         %/*:  # 0               % 1   %/*:  %/*:   $  "  /  )    )    C%  #3  %   1  0  )  ) M  L 30$    %      )% 1  1                        .     3)    1     ) /            #3  $        " .          "    * $ #3 " .1 "  # " .1 *  4                  1 %      2 1 "        1  33       1  /0 1        # %   *   *        )%  

)%  > (  ) L 30$       .           0:    *    #  " "1     .  3%   1 "   )   )1  .      #  %  1 "     5      "" 1 "      0/ ""/   1 $ 1 "     9   1 "  %  $       % 1   3%  ) )       (  * /01 % 1        2 3   "  %     ) . ?    *%   1 "          )"  ?1      (     %  (      1 "  )  "      9 0 5      )1  )1 )  %  )  "   % )  >  %       1 "  "    %     1 "  6!88 )%       *              

6      ( :  (   % 1   3% " 0$ ) 3 .     6 )1 "     2 " 2   1        %081    *0   )   00 )"   $   % # 0  / "  " / 3 7         "         %     %  (  *%    $    $  $        7           "     1 !  J   )  < = K  )  . 01 "    7             *     )  5 "   )         5 0   " / "01 "     0 $1    01 "                     .   * 1 0 30      )  : (   1  9  0     :1  %    L 30$  )%  0 

 . *   1 "  (  1 %) 6    % % 8   0   (        6     8    #. !           % $     :     %.  $    1     )   8      1 "        % ) 0 4 6 # )  0         )     1 "  N)                   .     %/*:  0   )1"                '     H       0         1            1   0  )  .     %/*:  )  #-         6 )    ) %  $ %%8      )  #%     %/*:     "            "   3   . " 0$1 3  "%    "  %

 1       "           H              ) %   *0     .    )        )%   %  ) 0    3*    ) 1   )1        1   #- L 30$  )          < = 4            )%       5        2 1        " $     "  (     ( /0  )   #   %  1 (   1    4               ) 6  (  0 %%  $3  "2     %    )   .     2 *  8        "      6  :              )%   (    0 30$8 1   % 4  (    3%  .   ,             K  

$      %   (    .      *1   . "    1  #          .  2 "" 1 "      "    "   . "" 1 "       #3)    )  )  )     .  &       ""1 #  $ $ 1 "   *   8 "   0 $3 3.  ( /  )  (  ) %   )% (  7   / 3  1 "  @  6   ) % 1   "% 1 %       * @  (   /     % 3               %)  63          0$1 "  " )    2)  %     1 1  3 3.   % $$81 %  . )  ;3   1 "       & 1  )     (        $)

*   .1 "     #       *   )  N        9     ' *  :%     %%     )   9  )   )  " 2   %       * /      #     *%     !"#    % .   9   31    0  .   "  01   % K      ) /   )       )   )% 0 3 "" #$%    %   3*  )   #.    1 "      1  #       9  7   #. ! 6  % 8 G      )       0:    1    #)        )1 "         #. ! 6  % 8 G      )       #  0:    1     )    )1 "   .     2 #$%    % $ "" #$% )     G %%/1

"  )   .              %1 "         "      :               )   *0$   #  .        )   %  -  )  * $  7  * !"  # $ %     "             "& &   #-  *  0/   !"  ##' ( ( / 1  #  #                 %  0@   *   :1  "            "" #$%        0     1 "  # 0      1 %     1          3      "0     % -    <    = "" #$%  1      *"/

0/ %    1           "0 %     2 @    <  %   = /   0  /   6  H) 8  #  .              $                1  "%      . 6 8 /    *%  3   "  6 8 /1 "  .    1    *0 %  ."      .$   7    3             )      )      0     0      1  %  $ %    "    $    C    %  @    5      $$ 1      % "0 #        )      1      81  E   # 0 .   *  ;  0    ) 6   ) 0 )     )%  1      %  (         .    

0        #  )  )"           ( /%1 "           "  5         .    %         ) 1     0        ?  33  ?1 "    )   .$     3 1      (      )% 1    %   .    0  . /1 "  .     7   %  %    7   1   *0    )  $  )         )  $  )  !  %         # 0   1 "    1      #       0 *   "  % . 7 H  3%          1    "  1 "  %/  1    *0    6   0 ) 8   $   0  .  )1 (    %/*) :  5 .    9 .             % "0 / 

  . #  ( /   "" 1 "   "  "/ %/*:   0 0      . 0   %%/1 "   *        .      #3    3%         1     % +  &  '! (  #3        /     / 3  * $     *     3%  .  ( /7     "   *   1    *       6        "  0 .    ) #3""81        -   * # 0  *   (   "  /   4.        %         ((      %  "   . 3*   "")#$%   $            "      / *    1   "  2 1 "        9( /    

0   )% 1   $3  1 "  )  %  $ %07       %     )1 0 3  )%    )   0  )  !    *0   ) )  $  )  "         *1 "         $   (" )*1       " 0  .   "0/ % 1 "     #  .     .  1 "  % )  %   :  %%     )%   0       : )% .# "1 "  " )   )   2     "      3         <% = * " 0  /        " ) :3 $   %   *    4  #  1     "   *"/1   %   %   "")#$%   ) 1     I     " .

"       F   ) /    "   1 "   ?   )   1  ?  *)       )  1 "        % "0  4  .        * $1 "     # 0 0     1    ( 1 "      %  /  3" $ 1  3     "      /1 "     ( /    . *     # "/   *  1  #3 (   0 ) " 2*0 $ %  "  0 * ) 1  .           1   0 3  1 "         % "0    ""  #  . /   ("     6&8)       %      0 3  )%    ) )1   %  $ %0               9 0  $ )   )      1   ) *  ) !  )     

    )  % 0 '         *   /    ¼   . 1    "    "0  %    )     0 $  ¼  "    * )   #- ;3  "/1 "  7             ¼      1 %  ¼  ¼ ¼      1  " ¼ ¼ ¼       *     /          "  /   3%    1 "    $  #-                0 -   $3 3   .     3 .   "         "/1         %      C %           1  1 "           " 1          "   % "0    "1     #  .     5 "     )      #  ( /1   

(" )# * (    3%  . #     $7 / , )     (  #     *  #  $      (+ +  #  ,      &    * ,    ( (     * -     "& & $   ? "   * #   +   #           /             *1     #3#        (" )*          )             9       . 01 "   3 %/* 6'8)  %")     * 0    1 "   $ #3    7  .$              6"    1    * 1    8     %  (( 5 )              N     /1 %     #

"/  * (  % . # .   1   )   (   % 1     1   ) ) 0 30$   %        )#  0 3   2 6""8 #$%       :   1    *1        1 "      # "/ 6  %    8  " %   .   ) 1 $   6  )%  0 3$81    *0    )1  .   3   . "  1 "       1    %/  "   *     "   " .  1 "      2 #$)  % 1    "  % # 1    ) %% .31 "  #  . )                3   *  1 "      . $  9 )  )  $  *  1 "         ) /    3   *"0      #   7     ) 1 "       ) J %   #3

3"  6   3  $     1 "        20 )  )   .  9      81  " %"      /    2 1 "   (         1    3  $03   4  3%  .  "0  4.3  %  7      1  %    )  1 " /   2 #$% 1  )    */0   )%1               )%  # 0 0 3 1      0          %  $  %0 ) .         1     ) 4  .                    1 "    6! 8 6!8 :%   1        3  6O8   ( / C0 $        6!!8          %       "  /     :  %   $ #31 "  1    33  )%            %

 !  $     P"    #  .        )    ! '   . 1 "         0 * )  6! 81 6!8        % )   ) 0  $1 "   6!!8     1    .    1 2  #3   1 "     %   )  "         %       )    *0  )  $  &          )1 %      .  3%   )  )%   # ""/          6!'8   1   % 1 "     P   % / 1 2 1 "            3%.       5      3%    /0 ?  ) ?  )%  9       3%  .  7   $ )     .  ?  )    %   :   %0       1     ) 1  $ .   ) ! 68  6 8  * 

  )   1  0  )   )1 %       1 1  %     % '   . 1 "   0 $ )  6! 81 6!8 %     *%      %  6!'8  .)   # 0   0       0         . .    )1    1 %      4   '   1 . "   .    % $  3     )   " 0  /     #  ( )  :03 /  $       .   % "0  0/%*0   0  #  . 3      *    "     + #    # .     /  #   (  (       .(   $            &    #              .       4   *%$        )       ) 1          . 

  ) ( "  "/ %/*:   % "/ 6"  #  .  % %%81 *   )   *%  )         1  %         0 $ 5 "   #-       *  1 "  9     9   ) #   #  ( /    2   0  )        .  "" 1 "                )   *   *  # "/     #      0  2 %  1 "    #   %/*" )    3 6       ) . )1        1 9     *% 3   4 7 " 33 3%  J  0* 3%  0$ %. *  %    %.            .7  # "/ %    $ :3% 8  0    * $ %        %   1 "       3  "   

*/01 3  3       1 "   "      1 "  (    "0 #3       & 4  $ 7    * 0   ( (*        2    2       "  .3 )    3*  1  3   )           1          #   $ 1  #-  *                * 1             +              $   +    $   * -    #-         *   # *     1      .   * 1        &      * -    * (   #-     . 1 "   "           % $   1   )    1  

         #3 ? #3% 1 "     3%    9          ?1          33  %)         !  P: "     ! )    9   1  %/*:      4  0   1 "   "      )   )   !   $    1   . 3    *"0     !           ! )     )    1  6 8 " 0  20 $ #31 1 "    )% 3 0%  )       3 9 1       4 0 3  1  ."    % 1 "  0   %  $ %01 " 2 1 "  %          )   ) /           */    "  " #  1 "        "")#$% 1 "    */01    %  $ %  1 # )              

"    1 . 0      0    #  0     "    % 0  9    )   " .  * 1    0     $   "1 "    *"1 "      . 3   .  :3%  $  *  )     4      $.1  *"/  ) %         *        3%  .)       / 7  #    .   %     )     9 8     %0        ) /   )  #   0             "   6    .              )1   "   *      %   . #         P   01 *     " /1 "  #     #  .  )       $           # "% $    *"0  1 "      1

"        3       #.  )    )  " 0  <())(" 3 33   =  ("  "1   )        % %. #    2   #  ( /    (  $1   <2  = "" 1 "        * #           .1   3           %   % %    3 )   /  20   0  7  /  # / )   :    01 "   /     E 0 3  # "/     / 3  1 %    ? %  ?  6  .  A/ 0   9 .81      "/      /    $ :1 "   $  # "/    % "    %.   5 %    $           .0$ /1 "   # "/  % *%   

3 1 "   # "/  0      . #    )    .       (  (")  0/1   "1 "      )  > %        " 0$  *  ?       # "/   */0 ?1 .    )         1 "      3   . " 1      *        .        3 )     1 3%             # "/1       /   "     $     ( )1  # "/ (      *  1         *"/  # 0 01   %  %    */0    "              %     $7  # %  0   # %  "  " / ?    1     )  1   "/  ?      # "/  /        1   

  "  " / (      #3" 1 #   $3    1 "        /1    4  3%        *0    9      * "     %    $ %  ) 9 .1 "  3% 0   / 9 .1      /    %  #  .     0 %/ 0/%*      %  7  9       "   $ 1    .       0   # "/   $  #37   %   #  . 3    %  %  (    20  9 .1    )  %/0    %  .0    " $1    %  1   9      1 * /%     +  1  "    "  # "/ -      /  #       9     7    %  1       )        1  9 .  9  

%        0  )    *%   # "/ (/ 3 3" .  % 4  ""  " /          % 1 "     )% 0 30$ ? 3%  $  9 .  ?   %        $% 1  3       (   # "/   $  1 "   30 1 * %%      #  ( /     3$  9 .   # "/     " 0$   %  %   1 "     0        "  # " 1  *     %@  " (    %  1     $"   %/   /01  %      1 "    %  .         3%     0   %    "      0 $          (    1  )  3       (   :%   % ) "0 0     ? )    )

? > (      % %  $   .1       (   @  % )   %  (  ?  ) ?  )            )"   )"   /  %  (    #           5 %  /1       2 1 "  3*  $  "" #$%     1    )% 0 3$ #3"/ ?  ?               1 1              (  )         */0 $       %/      */0%   0 %  $  0      )     0 3   $     1         /1  0    1 %      6    08         /1 % )1   )% 0 3$1    %   0     )1     "     I   ) $ %  1    1 "  ) -        %.  /

 3% . 1 "   $3   %   4  (        3%  .     0/   7   3 )%    3  1       %    /     *0     % )1       )1 /   0  ) !  #3%   (    )% 1   *0 3  1  1  0           %    / '    *0     % )  3  )% &   . 1 "       1  0 ) )    "      $ 1  "    )"  )1 % )"       E   %  $   / / *  C 0    9  1 "         (     ) 33   1  %  (2  %  $1 "   )   )  %   33    ( 6 81     *%    # 0 .   *"/           . 0  F)  (     331 * 3

  /     /  #"1  ( $    % $         (3    " .  * 1   1  (  %    :  # ( %   /   /          %    1 " 3%             % )  # )   "       "         ! 0  )1    #- G %%/1 "               #$%    *   )   3%       1 "  3%  "  )%   "" #$% 1 ) .1 %  % " )       20 # "%     )         65        "  1 "   (   )     )%  0/  "00 % 1     $ 2   %   /1 "   0  4       /  (2     3

  %  8    %  )                :   ). )   /  *%)   #  ( /  #-  ). (    0  ) 1                  /   0       /1 "   $     *  6      ) /  #  ( /1 *       9 "  $ %  0        <9  0      8   =    /1   "   *    ) %  (     0 1 "   ""  $  #  ( /    # 0   1 * ) #3   3 "" 1 "     "      3   3       "   3%   1    *"/    3%     "     7       %      1  01       ) $  ) & & & & &  %      ) .1 0

 )  *0      1           1  1 & )    %0   " 2 %   /1 "  9        $ 01 &  & (         $ # "    ! !  (     )% 1   *0 '  "   %        &    *0   )1     ) $  )     ) 1  01   )3 00 )    %     & $            # ) 1      &  &  ) E   . 1 "     1  0 5            0  %   ( $ )  ) (     33    33  ( ( 1 *  #  ( /  "  #3  (" )# *"  " /   "/1 "   9   )          " <% .3=        # 

) ( /  9   3%  . # /3 %    0 7  #        0 31    ( / /1     3  1  .1 %  )  $   1   1 %    . 1 "    9    %)  0)            )       */0  # )  )    1 % 1 "    #     0 $ 1   0      # )        ) 4$ )   )  1 )  0 (3  !              )  #  . 3    3  0      # )1  . 1 "       &   /  /    )   1  %   &  &    ! '  $   1 1 1 1  1     )  &    *0      # )1   . 1 "            ¼ ¼  0 $)       H   .  ) ¼ 1 # 0  9

 - # 0    0/%*0  )   "  %    1             1  (   $%     )   %           #  "     $  )   9   "    . 1 "     )       68 G 7          " 7 "@   % 0      .3    1 "  0 $ 1   # 0   1 0/%*0   0  #  . 3     0    #  ( / 6 8 > 7   0   1 "       ((  9    )   4    " . / 7  #    #  .   //   4    )   )          1 "    # )   .     #     1   # )   . ( "  0 $        0    0  9  3    H #  $3 3.   

*%   6#   # 81   ?     #          # ") %/*:  ?     #      1 *        &         &       $3 3.    !!             $       %     */0   "/   ( /  / 0         :3 (0         9   1  %  )  3 ? # ) 1 * 1 " %     0 ? 3    0   0   %/*0 .          1      "   % /          " 0      0%*"1 "  # 0   ) /    "  $         4  0 )   1 "   )    "   *  (        1 "  "     1         "  . 3*

   %     4  3%  .  % 0   %   "  3%   C     7          0  4.3   % #     %   )  %. %  /1   (  9  %)  %       ?      ? /  1 %  ) $ 1 "          9    .1 $  "   *"     J  "7 Q   7      %      1  01       ) $  ) & & & & & &  %      ) .1 0   *0      1            1  1 &     20 &    0    . " &    %0      &  % !'   (         $ # "   / % "       9      )   / . !  (     )% 1   *0

"   %     '  &    *0      )1     ) $  )     ) 1  01  ) 00 )    %      & $            # ) 1      &  &  ) E   . 1 "     1  0 > %  9 7    ( / 0   *0  7    /0  )1  #     1  $3 3   3    . (81      6  )   .  9  0      # )1   (    #   %      & $  )1       )   1   0     . 1 "   0)              )1 $  )1 )      0 3  /  /           &     1  %   &  &    !   . 1 "     ) ¼ '  $   1 1  1  1   1

    )     !& &    *0      # )1   . 1 "            ¼ ¼ ¼  0 $)       H   .  ) 1 # 0  9   0/%*   .    0  "  " / %   /    (    "    9    1 "  %    )   $ #33 1     2  ) *"/      1    / %      H    3%             %  #     %         "   * #   1    # 0    #$  $ /1 "         3%   .*      #-       # 0   9 1 "  %       ¼ ¼        ¼ K3"%               ' '      9*( /  

            ¼ ¼ ¼     0 $ !       &  &     &       # "%    :*  %       / 1       0 $1 #   %1  6!&8        #             6!&8  . 0     H /   &  &     &      &                   ¼     % %  1 "   #   % 9   - "/1 "    / %      9     # %   "  (   "  1   %   9 " .       $ G % $         )  "  1        0 $ H /   9 0    %   9 " . #  ( /               #

 0 1  "       )1  "            )           )     0 $  4   3  $)   ¼ ¼ ¼    "" 1 "   ¼ *     #  .   )      % "0   3*"            !E                1   9 " .     )          &    &  " 1   # "%  1       "     -  * 1 "  9  3"  " "/1     "    9  )                   )  #- 5 .        &      &        &    &   &      &   &      &       4   %           0

*   3  (    % / 331  3 3%     & )  *  9 ) 0$  1  4 .  (           ¼ ¼       ¼       1    0 $    3    %  / #     *%      *        20 3%      "/  9 " . %  $      7 Q  3 3 (    $ #33 )       "   3  1 "  )    !+ - "/1 "     #3      *"/8       $3 3.  )1 "    61  (" )# *)   1       1 "     #    )                 .   1 "     (  # "/ % "       / 1  * $1 "  -      " 

$) "   .        "    "   0 1 "  0$  "     1         .   )   #  . 9 .      8        )%  0 3% 6              $       /1   3 ) 33 3 .  "    * 1  ""  $$      #33      " . ( % 01         3.$        )      %  % 1  *% K3 $1 "   )   )   $ #33 1   .   $     %  # 0 0 7    %  $ %           )     ) $  )   %  )     33  %  .    )1        %  ) $ %              1 !    *0            1  $  )  H / 

                        !I  '  %           $       &           $   # 0  %1 "          ¼ 4            ¼    #  . %  33  0$"3      2  3  / * 0 #  #- ;3   1 "                    4             ¼ ¼ ¼ ¼         ¼ ¼   )#  #             # 3 % *"   "      3    1   "           %  0 $1     . 7                 1 "     3 3 33 1  / 0   )      1      /  *% 

 ) 0               "  1 *          0%    4 ?  '  "     ?    20 %   68 3  1  #3(       1    3*   %  (      # "/   (     2 7   %  ( 7   1 "         4  .    # "/      */   1  # 0 0  " 1      $    )    %  (           # % 7    %    ) 6 8     ) 3  )%    " / %     )    )       !  %   %   &    &   "  R0  %  (    ) 1 0   *0     )1       )       )    &   ) 3   '  %          &  # 1 " 

   4             9     0     3%  .7     *0    #  )1      &   )  0 )     *0       )1 "  ) 0  )1 ! H     0  0 #  0  ) /    1    # 0  %1   *0   &  )      &  &       )            "    ¼    '     *0    #   )          ¼ ¼    '         0 $1  9      H "  % 0    33    .1     1               /   &       &              *%     /0 % # 0" . 4.  %  //     "  " / $      %  /    1 .1   )%  *

 " /  1 % "01 "   0 )     0 )       %   . %   *  %     ) % $         20 $     % 1        1   .     )     0 $  J    3  )      .    1        0 $"       33 )       ¼        ¼            *  1   #$      .  "   )   )     ' C       /        0 $ %0 1 *       1       "           1 20  $  )  ) 1      "   0   1 "           %"0 4    0  "  "  1    "

"1 "     # "/              !!"#$ 5     3%      7   $"  #31 "              33 #3"  % 0) " 1   ( : .   20   1 "  "  % $ 9      * (   "      "  *  %.  0 (3    "        0       .  2 31 "           0   % 1 .   0 0  )1    )     #3" 1    )  #  . 3      3%      01 "    )"   )  .                 ) 1   .           ) %   ) 9 " 1   B$ ) ( 1  *     /   %  K    0    1     )%   $

:3% 1  )    )"  % 0%  0/%*0   0  $.  $3 %)        ) .  " 5      "  0% 1 "    .  0        . # 0   #  . 6E8     /          . *$  ;         "   1     )  ) '!    '' "01 (  $3 3.  %  ("   7     %        # "/      "   *  )  */1    $    $   .     *           1        0 3  "/1 "    . 3 : 3  1 "                  ¼ )  % ¼        )   0 $ ¼    .  %/*:      1   *          0 1  . 

      1 0         ¼ ¼ )1         7        )     )1 0 %  ).        )  $ .         #         .  ¼ ¼      */01    1 "   ? "   #      /  3    ) !   )         #     %  .      )1  0 $     0    K      0     #    #      "   %   '      %/     /1  0   " /                 1    1 #3  $1 "      )    .    %   ¼  3        # "/  ) .      *"     $1 "    % "   ) ?  "        # 

02  ) $ %  . 1 "  "  )  1 "  1   # 0       9    )     % 7 $  )    #         '&    *%   . 1 "  "  )    # %     !   #     0  )/1  %     '  .    1 0  #   "       % 00       *% #    01 "     #      #      )   # 0  %          1       "    ) :  " "/   . 1 "     .  1 "   %          %      1    /             # :.      ) %"  3   1        % # 0" .  01 "       3) %  1 

   .  %      0     6+8)     * 1 "  0   $ : 3%      3%     1 "     ," "   ) .   "    1    1     ) %  S T - ("   1 <- (  (  # " ("        (   >  ,  " 7  =1 , ) #   4%  1 45 ,  1  % 1 -    G,   1 IIE ST   % 1  " 1         () 1 < C "  #         ,    =1 ,  (  # " ,C1 B   1 G  1  ) 1 IE+ S!T  -  "1 N # 1 <,    #  U "  % ; " (   =1 4 (  VII1 G, &I1  )     1 III S'T  ," 1  K 1 C G 1 <A(   4 (  ( ,"=1 ,  V++1 G, '!1  ! I)!E1 II S&T , (" 1 <4W(    N    

 ,=1 L  # ,    1   ) E'1 II  ST - ("   1 < 4W(   (=1    ,)I&1 ,     % X "     X   >#   (1 II& SET H % U  1 <4 (  ( ,"=1 C V "  1 ,X>1 II S+T  ," 1 5 -    1 <5#   ," N U    =1 4 ,  VI1 G, &+1  !I)' E1 II! '