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Geek Culture / Encryption...again...

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Neofish
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Posted: 17th Mar 2005 05:41 Edited at: 17th Mar 2005 05:42
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I'm posting this again as I failed to find my old thread


Basically, attached to this thread is the encryption routine that I wrote a while back.

Basically, create a file called input.txt (or rename a file to that). Run generate key.exe to make a 64 bit key (or make your own in key.txt). Run encrypt.exe. Please check it my running decrypt.exe.


Please note I have not checked this extensively, so I bet you will have errors, basically I want to find out where and when they occur and perfect the routine. Post the errors and stuff here



The first problem I found is that the encryption converts one of the rectangle characters to newline, and they don't get converted back correctly, staying as newlines, which obviously corrupts the file...additionally I've been told it fails to work with bitmaps..

Thanks
Neofish

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Neofish
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Posted: 18th Mar 2005 02:34
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Bump

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Three Score
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Posted: 20th Mar 2005 11:17
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hmm wish i could help

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Neofish
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Posted: 20th Mar 2005 11:19
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...at least you posted now I have an excuse to bump it *mua ha*

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Nicholas Thompson
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Posted: 23rd Mar 2005 05:10
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Cool encyrption - what method does that use? I'm looking into making an online highscore table and could do with a decent encryption method.

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Neofish
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Posted: 23rd Mar 2005 05:33
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basically ascii shifting and xor it's not very complicated once you know how to do it...


...and still the problem remains of it not working all the time

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Benjamin
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Posted: 23rd Mar 2005 05:36
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Ascii shifting...pfft thats a bit weak for encryption. Working with bits is the best way to go. Mhmm


"Lets migrate like bricks" - Me
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Ace Of Spades
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Posted: 23rd Mar 2005 05:54
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the best way to go is a combination of things. Shift ascii values to an extreme extent then store all the information as scrambled arrays before finally storing the individual bits in a scrambeled manor.
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Jeku
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Posted: 23rd Mar 2005 06:16 Edited at: 23rd Mar 2005 06:17
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No, the best UNBREAKABLE way is to use encrypt and decrypt using pads.

Pads can be bought, though. But oh well.


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Neofish
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Posted: 23rd Mar 2005 06:45
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Pads are?

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the_winch
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Posted: 24th Mar 2005 05:43
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http://en.wikipedia.org/wiki/One_time_pad

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Jeku
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Posted: 24th Mar 2005 06:57
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Cool link! I couldn't have explained it better myself


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