!AWOct94/Goodies/Protects/!Protector/!Help

Home » Archimedes archive » Archimedes World » AW-1994-10-Disc1.adf » Disk1Oct94 » !AWOct94/Goodies/Protects/!Protector/!Help

This website contains an archive of files for the Acorn Electron, BBC Micro, Acorn Archimedes, Commodore 16 and Commodore 64 computers, which Dominic Ford has rescued from his private collection of floppy disks and cassettes.

Some of these files were originally commercial releases in the 1980s and 1990s, but they are now widely available online. I assume that copyright over them is no longer being asserted. If you own the copyright and would like files to be removed, please contact me.

Tape/disk:	Home » Archimedes archive » Archimedes World » AW-1994-10-Disc1.adf » Disk1Oct94
Filename:	!AWOct94/Goodies/Protects/!Protector/!Help
Read OK:	✔
File size:	16DA bytes
Load address:	0000
Exec address:	0000

Duplicates

There is 1 duplicate copy of this file in the archive:

Archimedes archive » Archimedes World » AW-1994-10-Disc1.adf » Disk1Oct94 » !AWOct94/Goodies/Protects/!Help
Archimedes archive » Archimedes World » AW-1994-10-Disc1.adf » Disk1Oct94 » !AWOct94/Goodies/Protects/!Protector/!Help

  
   Protector   V1.52 (01-Aug-1994)
   �������������������������������
        by Peter Reeves-Hall
        ��������������������

Introduction
=-=-=-=-=-=-
        The protector suite of applications are designed to offer an easy to
use, yet secure method of password protecting files and desktop applications.

This is of great use when your machine and/or personal files are in an �open�
environment such as an office or school. It is also useful for �home users�
taking their machine somewhere public or wanting piece of mind when leaving
it unattended.

Guide
=-=-=
        The main component of the system is the !Protector application.
Double click on it�s icon to install it onto the icon bar. Protector allows
files t be encrypted and unencrypted with a password supplied by the user.
Every file can use a different password if the User so desires.

To encrypt a file follow this procedure;
1) Drag the icon of the file to be encrypted onto the Protector icon on the
icon bar. A window will open. At the top of the window the word 'Encrypt'
will be displayed to inform you that the file will be encypted. Beneath is
the icon of the file to be encrypted and its name.
2) A password should now be entered into the writable icon at the bottom of
the window. The letters will not appear (*) but instead a row of asterisk to
prevent prying eyes from seeing what you are entering. Press return when the
password has been entered (a maximum of 24 characters are allowed, and a
minimum of 1 !)
3) You will now be prompted to renter the password, this is to check you
have made no mistakes the first time. Be careful, the protection system is
Case sensitive, eg. the password 'test' , 'TEST' and 'Test' are all treated
differently.
4) If the two passwords matched then the window will close and a save box
will appear. The save box contains the file name of the original file. When
saving the encrypted file you will be warned if it means overwriting the
existing file.
5) Once the file has been �saved-out� an hourglass will appear while the
encryption takes place. To abort the encryption procedure before the file
has been saved-out simple close the main window or the save box using the
close window icon.

       The file is now encrypted and bears the protector �lock� icon. The
encryption system does not store the password inside the file so it cannot
be loaded into an editor and found, Because of this there is no way for the
program to know, when unencrypting a file, whether the correct password has
been supplied, therefore supplying the wrong password for unencryption will
result in an even more garbled file being output from the application.
(This is why you are warned if you attempt to overwrite an existing file).

        To unencrypt a file simply drag it back onto the protector icon and
repeat the above process by supplying the correct password and save out the
new file.

        Applications can also be encrypted by Protector. Since encrypting
and unencrypting an entire program such as 'Impression' or 'Revelation'
might take a short time protector simply encrypt�s the !RunImage file inside
the application directory since this is usually where the bulk of the
program is stored and the application will not usually run without it. To
encrypt and unencrypt an application simply drag it onto the protector icon
as you would with a file. If a !RunImage file can be found then you will be
able to encrypt it.

Introducing Unlock
=-=-=-=-=-=-=-=-=-
        So far so good!, you can now encrypt file and applications, but at
the moment it may appear a bit cumbersome having to drag the files onto the
icon bar, wouldn't it be nice to be able to double click them as if they
were their original normal files? or run an encrypted application by double
clicking on it? well read on to the next section documented in the 'Unlock'
applications !Help file.......

Speed Trials
=-=-=-=-=-=-
A Comparison of Protector and Unlock (Version 1.52) has been made with the
earlier version that was published (Version 1.03) Since Version 1.03 Hand
written ARM code has been introduced to greatly speed up the encryption
process. To benchmark the improvements slightly modified copies of the two
versions of unlock were used which indicated the exact times involved. The
bench mark was performed on a RISC PC using a 30MHz ARM 610 processor
(fitted with 1Mb of VRAM to stop any "slow-down" due to the screen display).
The test involved De-encrypting a file held in RAM disc to form a second
file also in RAM Disc. (A RAM disc was used to give a fair indication of
speed without the effects associated with Harddisc "bottle-necks"
restricting the data transfer)

The file used was exactly 2Mb in size and was (de)encrypted with the
password "AcornComputers" , the results are as follows;

Version Of Unlock       Time Taken/s    MB/s            Speed increase Factor
=============================================================================
1.03 (29-Sep-1993)      245.33          0.0082            1 (reference level)
1.52 (01-Aug-1994)        1.12          1.79            219


Not too bad is it? ;->


Points to Note
=-=-=-=-=-=-=-

N.B. Both Protector and Unlock have to have seen a copy of your !System or
!Scrap (*) folder before they will load, this is because they temporarily
need to store scrap files while performing (un) encryption.

(*)  -  RISC OS 3 only


  About the Author
=-=-=-=-=-=-=-=-=-=
If you want to get in touch with the Author , concerning this program or
any of the others he has written, wether to praise them or make POLITE
criticisms, OR just to have a chat then you may reach him Electronically...

Outside "Term-time";

Via Email:   PeterRH@arcade.demon.co.uk
Or Direct to Arcade BBS  [Tel. +44 (0)81 654 2212 ] : Peter Reeves-Hall  (user #1169)  


During "Term-time";

E-mail address "Pending"  ;-)

00000000  20 20 0a 20 20 20 50 72  6f 74 65 63 74 6f 72 20  |  .   Protector |
00000010  20 20 56 31 2e 35 32 20  28 30 31 2d 41 75 67 2d  |  V1.52 (01-Aug-|
00000020  31 39 39 34 29 0a 20 20  20 8f 8f 8f 8f 8f 8f 8f  |1994).   .......|
00000030  8f 8f 8f 8f 8f 8f 8f 8f  8f 8f 8f 8f 8f 8f 8f 8f  |................|
00000040  8f 8f 8f 8f 8f 8f 8f 8f  0a 20 20 20 20 20 20 20  |.........       |
00000050  20 62 79 20 50 65 74 65  72 20 52 65 65 76 65 73  | by Peter Reeves|
00000060  2d 48 61 6c 6c 0a 20 20  20 20 20 20 20 20 8f 8f  |-Hall.        ..|
00000070  8f 8f 8f 8f 8f 8f 8f 8f  8f 8f 8f 8f 8f 8f 8f 8f  |................|
00000080  8f 8f 0a 0a 49 6e 74 72  6f 64 75 63 74 69 6f 6e  |....Introduction|
00000090  0a 3d 2d 3d 2d 3d 2d 3d  2d 3d 2d 3d 2d 0a 20 20  |.=-=-=-=-=-=-.  |
000000a0  20 20 20 20 20 20 54 68  65 20 70 72 6f 74 65 63  |      The protec|
000000b0  74 6f 72 20 73 75 69 74  65 20 6f 66 20 61 70 70  |tor suite of app|
000000c0  6c 69 63 61 74 69 6f 6e  73 20 61 72 65 20 64 65  |lications are de|
000000d0  73 69 67 6e 65 64 20 74  6f 20 6f 66 66 65 72 20  |signed to offer |
000000e0  61 6e 20 65 61 73 79 20  74 6f 0a 75 73 65 2c 20  |an easy to.use, |
000000f0  79 65 74 20 73 65 63 75  72 65 20 6d 65 74 68 6f  |yet secure metho|
00000100  64 20 6f 66 20 70 61 73  73 77 6f 72 64 20 70 72  |d of password pr|
00000110  6f 74 65 63 74 69 6e 67  20 66 69 6c 65 73 20 61  |otecting files a|
00000120  6e 64 20 64 65 73 6b 74  6f 70 20 61 70 70 6c 69  |nd desktop appli|
00000130  63 61 74 69 6f 6e 73 2e  0a 0a 54 68 69 73 20 69  |cations...This i|
00000140  73 20 6f 66 20 67 72 65  61 74 20 75 73 65 20 77  |s of great use w|
00000150  68 65 6e 20 79 6f 75 72  20 6d 61 63 68 69 6e 65  |hen your machine|
00000160  20 61 6e 64 2f 6f 72 20  70 65 72 73 6f 6e 61 6c  | and/or personal|
00000170  20 66 69 6c 65 73 20 61  72 65 20 69 6e 20 61 6e  | files are in an|
00000180  20 94 6f 70 65 6e 95 0a  65 6e 76 69 72 6f 6e 6d  | .open..environm|
00000190  65 6e 74 20 73 75 63 68  20 61 73 20 61 6e 20 6f  |ent such as an o|
000001a0  66 66 69 63 65 20 6f 72  20 73 63 68 6f 6f 6c 2e  |ffice or school.|
000001b0  20 49 74 20 69 73 20 61  6c 73 6f 20 75 73 65 66  | It is also usef|
000001c0  75 6c 20 66 6f 72 20 90  68 6f 6d 65 20 75 73 65  |ul for .home use|
000001d0  72 73 91 0a 74 61 6b 69  6e 67 20 74 68 65 69 72  |rs..taking their|
000001e0  20 6d 61 63 68 69 6e 65  20 73 6f 6d 65 77 68 65  | machine somewhe|
000001f0  72 65 20 70 75 62 6c 69  63 20 6f 72 20 77 61 6e  |re public or wan|
00000200  74 69 6e 67 20 70 69 65  63 65 20 6f 66 20 6d 69  |ting piece of mi|
00000210  6e 64 20 77 68 65 6e 20  6c 65 61 76 69 6e 67 0a  |nd when leaving.|
00000220  69 74 20 75 6e 61 74 74  65 6e 64 65 64 2e 0a 0a  |it unattended...|
00000230  47 75 69 64 65 0a 3d 2d  3d 2d 3d 0a 20 20 20 20  |Guide.=-=-=.    |
00000240  20 20 20 20 54 68 65 20  6d 61 69 6e 20 63 6f 6d  |    The main com|
00000250  70 6f 6e 65 6e 74 20 6f  66 20 74 68 65 20 73 79  |ponent of the sy|
00000260  73 74 65 6d 20 69 73 20  74 68 65 20 21 50 72 6f  |stem is the !Pro|
00000270  74 65 63 74 6f 72 20 61  70 70 6c 69 63 61 74 69  |tector applicati|
00000280  6f 6e 2e 0a 44 6f 75 62  6c 65 20 63 6c 69 63 6b  |on..Double click|
00000290  20 6f 6e 20 69 74 91 73  20 69 63 6f 6e 20 74 6f  | on it.s icon to|
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000002b0  20 74 68 65 20 69 63 6f  6e 20 62 61 72 2e 20 50  | the icon bar. P|
000002c0  72 6f 74 65 63 74 6f 72  20 61 6c 6c 6f 77 73 0a  |rotector allows.|
000002d0  66 69 6c 65 73 20 74 20  62 65 20 65 6e 63 72 79  |files t be encry|
000002e0  70 74 65 64 20 61 6e 64  20 75 6e 65 6e 63 72 79  |pted and unencry|
000002f0  70 74 65 64 20 77 69 74  68 20 61 20 70 61 73 73  |pted with a pass|
00000300  77 6f 72 64 20 73 75 70  70 6c 69 65 64 20 62 79  |word supplied by|
00000310  20 74 68 65 20 75 73 65  72 2e 0a 45 76 65 72 79  | the user..Every|
00000320  20 66 69 6c 65 20 63 61  6e 20 75 73 65 20 61 20  | file can use a |
00000330  64 69 66 66 65 72 65 6e  74 20 70 61 73 73 77 6f  |different passwo|
00000340  72 64 20 69 66 20 74 68  65 20 55 73 65 72 20 73  |rd if the User s|
00000350  6f 20 64 65 73 69 72 65  73 2e 0a 0a 54 6f 20 65  |o desires...To e|
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00000380  75 72 65 3b 0a 31 29 20  44 72 61 67 20 74 68 65  |ure;.1) Drag the|
00000390  20 69 63 6f 6e 20 6f 66  20 74 68 65 20 66 69 6c  | icon of the fil|
000003a0  65 20 74 6f 20 62 65 20  65 6e 63 72 79 70 74 65  |e to be encrypte|
000003b0  64 20 6f 6e 74 6f 20 74  68 65 20 50 72 6f 74 65  |d onto the Prote|
000003c0  63 74 6f 72 20 69 63 6f  6e 20 6f 6e 20 74 68 65  |ctor icon on the|
000003d0  0a 69 63 6f 6e 20 62 61  72 2e 20 41 20 77 69 6e  |.icon bar. A win|
000003e0  64 6f 77 20 77 69 6c 6c  20 6f 70 65 6e 2e 20 41  |dow will open. A|
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00000400  20 77 69 6e 64 6f 77 20  74 68 65 20 77 6f 72 64  | window the word|
00000410  20 27 45 6e 63 72 79 70  74 27 0a 77 69 6c 6c 20  | 'Encrypt'.will |
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00000440  74 68 65 20 66 69 6c 65  20 77 69 6c 6c 20 62 65  |the file will be|
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00000490  74 73 20 6e 61 6d 65 2e  0a 32 29 20 41 20 70 61  |ts name..2) A pa|
000004a0  73 73 77 6f 72 64 20 73  68 6f 75 6c 64 20 6e 6f  |ssword should no|
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000004e0  6d 20 6f 66 0a 74 68 65  20 77 69 6e 64 6f 77 2e  |m of.the window.|
000004f0  20 54 68 65 20 6c 65 74  74 65 72 73 20 77 69 6c  | The letters wil|
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00000510  20 62 75 74 20 69 6e 73  74 65 61 64 20 61 20 72  | but instead a r|
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00000580  61 73 73 77 6f 72 64 20  68 61 73 20 62 65 65 6e  |assword has been|
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000005c0  2c 20 61 6e 64 20 61 0a  6d 69 6e 69 6d 75 6d 20  |, and a.minimum |
000005d0  6f 66 20 31 20 21 29 0a  33 29 20 59 6f 75 20 77  |of 1 !).3) You w|
000005e0  69 6c 6c 20 6e 6f 77 20  62 65 20 70 72 6f 6d 70  |ill now be promp|
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00000610  20 69 73 20 74 6f 20 63  68 65 63 6b 20 79 6f 75  | is to check you|
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00000820  20 65 6e 63 72 79 70 74  69 6f 6e 20 70 72 6f 63  | encryption proc|
00000830  65 64 75 72 65 20 62 65  66 6f 72 65 20 74 68 65  |edure before the|
00000840  20 66 69 6c 65 0a 68 61  73 20 62 65 65 6e 20 73  | file.has been s|
00000850  61 76 65 64 2d 6f 75 74  20 73 69 6d 70 6c 65 20  |aved-out simple |
00000860  63 6c 6f 73 65 20 74 68  65 20 6d 61 69 6e 20 77  |close the main w|
00000870  69 6e 64 6f 77 20 6f 72  20 74 68 65 20 73 61 76  |indow or the sav|
00000880  65 20 62 6f 78 20 75 73  69 6e 67 20 74 68 65 0a  |e box using the.|
00000890  63 6c 6f 73 65 20 77 69  6e 64 6f 77 20 69 63 6f  |close window ico|
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000008d0  68 65 20 70 72 6f 74 65  63 74 6f 72 20 90 6c 6f  |he protector .lo|
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00000900  64 6f 65 73 20 6e 6f 74  20 73 74 6f 72 65 20 74  |does not store t|
00000910  68 65 20 70 61 73 73 77  6f 72 64 20 69 6e 73 69  |he password insi|
00000920  64 65 20 74 68 65 20 66  69 6c 65 20 73 6f 20 69  |de the file so i|
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00000950  72 20 61 6e 64 20 66 6f  75 6e 64 2c 20 42 65 63  |r and found, Bec|
00000960  61 75 73 65 20 6f 66 20  74 68 69 73 20 74 68 65  |ause of this the|
00000970  72 65 20 69 73 20 6e 6f  20 77 61 79 20 66 6f 72  |re is no way for|
00000980  20 74 68 65 0a 70 72 6f  67 72 61 6d 20 74 6f 20  | the.program to |
00000990  6b 6e 6f 77 2c 20 77 68  65 6e 20 75 6e 65 6e 63  |know, when unenc|
000009a0  72 79 70 74 69 6e 67 20  61 20 66 69 6c 65 2c 20  |rypting a file, |
000009b0  77 68 65 74 68 65 72 20  74 68 65 20 63 6f 72 72  |whether the corr|
000009c0  65 63 74 20 70 61 73 73  77 6f 72 64 20 68 61 73  |ect password has|
000009d0  0a 62 65 65 6e 20 73 75  70 70 6c 69 65 64 2c 20  |.been supplied, |
000009e0  74 68 65 72 65 66 6f 72  65 20 73 75 70 70 6c 79  |therefore supply|
000009f0  69 6e 67 20 74 68 65 20  77 72 6f 6e 67 20 70 61  |ing the wrong pa|
00000a00  73 73 77 6f 72 64 20 66  6f 72 20 75 6e 65 6e 63  |ssword for unenc|
00000a10  72 79 70 74 69 6f 6e 20  77 69 6c 6c 0a 72 65 73  |ryption will.res|
00000a20  75 6c 74 20 69 6e 20 61  6e 20 65 76 65 6e 20 6d  |ult in an even m|
00000a30  6f 72 65 20 67 61 72 62  6c 65 64 20 66 69 6c 65  |ore garbled file|
00000a40  20 62 65 69 6e 67 20 6f  75 74 70 75 74 20 66 72  | being output fr|
00000a50  6f 6d 20 74 68 65 20 61  70 70 6c 69 63 61 74 69  |om the applicati|
00000a60  6f 6e 2e 0a 28 54 68 69  73 20 69 73 20 77 68 79  |on..(This is why|
00000a70  20 79 6f 75 20 61 72 65  20 77 61 72 6e 65 64 20  | you are warned |
00000a80  69 66 20 79 6f 75 20 61  74 74 65 6d 70 74 20 74  |if you attempt t|
00000a90  6f 20 6f 76 65 72 77 72  69 74 65 20 61 6e 20 65  |o overwrite an e|
00000aa0  78 69 73 74 69 6e 67 20  66 69 6c 65 29 2e 0a 0a  |xisting file)...|
00000ab0  20 20 20 20 20 20 20 20  54 6f 20 75 6e 65 6e 63  |        To unenc|
00000ac0  72 79 70 74 20 61 20 66  69 6c 65 20 73 69 6d 70  |rypt a file simp|
00000ad0  6c 79 20 64 72 61 67 20  69 74 20 62 61 63 6b 20  |ly drag it back |
00000ae0  6f 6e 74 6f 20 74 68 65  20 70 72 6f 74 65 63 74  |onto the protect|
00000af0  6f 72 20 69 63 6f 6e 20  61 6e 64 0a 72 65 70 65  |or icon and.repe|
00000b00  61 74 20 74 68 65 20 61  62 6f 76 65 20 70 72 6f  |at the above pro|
00000b10  63 65 73 73 20 62 79 20  73 75 70 70 6c 79 69 6e  |cess by supplyin|
00000b20  67 20 74 68 65 20 63 6f  72 72 65 63 74 20 70 61  |g the correct pa|
00000b30  73 73 77 6f 72 64 20 61  6e 64 20 73 61 76 65 20  |ssword and save |
00000b40  6f 75 74 20 74 68 65 0a  6e 65 77 20 66 69 6c 65  |out the.new file|
00000b50  2e 0a 0a 20 20 20 20 20  20 20 20 41 70 70 6c 69  |...        Appli|
00000b60  63 61 74 69 6f 6e 73 20  63 61 6e 20 61 6c 73 6f  |cations can also|
00000b70  20 62 65 20 65 6e 63 72  79 70 74 65 64 20 62 79  | be encrypted by|
00000b80  20 50 72 6f 74 65 63 74  6f 72 2e 20 53 69 6e 63  | Protector. Sinc|
00000b90  65 20 65 6e 63 72 79 70  74 69 6e 67 0a 61 6e 64  |e encrypting.and|
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*
00001350  3d 3d 3d 3d 3d 3d 3d 3d  3d 3d 0a 31 2e 30 33 20  |==========.1.03 |
00001360  28 32 39 2d 53 65 70 2d  31 39 39 33 29 20 20 20  |(29-Sep-1993)   |
00001370  20 20 20 32 34 35 2e 33  33 20 20 20 20 20 20 20  |   245.33       |
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000013c0  20 20 20 31 2e 31 32 20  20 20 20 20 20 20 20 20  |   1.12         |
000013d0  20 31 2e 37 39 20 20 20  20 20 20 20 20 20 20 20  | 1.79           |
000013e0  20 32 31 39 0a 0a 0a 4e  6f 74 20 74 6f 6f 20 62  | 219...Not too b|
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00001400  50 6f 69 6e 74 73 20 74  6f 20 4e 6f 74 65 0a 3d  |Points to Note.=|
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00001420  2e 42 2e 20 42 6f 74 68  20 50 72 6f 74 65 63 74  |.B. Both Protect|
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00001530  0a 49 66 20 79 6f 75 20  77 61 6e 74 20 74 6f 20  |.If you want to |
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00001620  22 3b 0a 0a 56 69 61 20  45 6d 61 69 6c 3a 20 20  |";..Via Email:  |
00001630  20 50 65 74 65 72 52 48  40 61 72 63 61 64 65 2e  | PeterRH@arcade.|
00001640  64 65 6d 6f 6e 2e 63 6f  2e 75 6b 0a 4f 72 20 44  |demon.co.uk.Or D|
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00001670  30 29 38 31 20 36 35 34  20 32 32 31 32 20 5d 20  |0)81 654 2212 ] |
00001680  3a 20 50 65 74 65 72 20  52 65 65 76 65 73 2d 48  |: Peter Reeves-H|
00001690  61 6c 6c 20 20 28 75 73  65 72 20 23 31 31 36 39  |all  (user #1169|
000016a0  29 20 20 0a 0a 0a 44 75  72 69 6e 67 20 22 54 65  |)  ...During "Te|
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000016c0  6c 20 61 64 64 72 65 73  73 20 22 50 65 6e 64 69  |l address "Pendi|
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000016da

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