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extruct
Registerd on: 01/01/1970, 04:00:00
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Posts: 24
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can anyone give me a hint pls! i dont know what to do here. i tried to open the pic1 and pic2 in notepad to see the diffrent but its a big code! i cnat scan any char!! its a lot of work!
i tried to find a diffrent in size oa the pictures, they size on the disk but nothing.
anyone can help me?
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SBD
Registerd on: 01/01/1970, 04:00:00
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Posts: 49
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i didnt pass the level yes but like u i think it's about compare, try to search for program that will do the "hard work" :)
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extruct
Registerd on: 01/01/1970, 04:00:00
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Posts: 24
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yea but i dont think that there can be a some code diffrent because if the writer of the challenge (Calltor) insert some char or string into the code the size, size on disk, width and height of the picture will be change.
But i will try to search some program that can help me to do the "hard work" :)
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SBD
Registerd on: 01/01/1970, 04:00:00
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Posts: 49
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i have already check with program and there is a diffrennt...how he did it? it's simple one mathod is to hide in the 2 bitmap diffrent text in the same byte size, this way u kipping the 2 images equel in hight width and file size :)
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extruct
Registerd on: 01/01/1970, 04:00:00
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Posts: 24
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can you please give me the program that you used? because i cant find program that can compare two strings
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pitbull
Registerd on: 01/01/1970, 04:00:00
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Posts: 34
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I also need that program, i didn't found anything in google..
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cp77fk4r
Global Admin
Registerd on: 01/01/1970, 04:00:00
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Posts: 621
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I made a program that do the compare job in VB- it's very simple- load the two pictures and check pixel by pixel if they equel :)
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SBD
Registerd on: 01/01/1970, 04:00:00
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Posts: 49
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but then u get just a third image with some white pixel right?
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cp77fk4r
Global Admin
Registerd on: 01/01/1970, 04:00:00
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Posts: 621
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white pixel ? nope, My program output to you a now BITMAP with the pixel that make the different...
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pitbull
Registerd on: 01/01/1970, 04:00:00
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Posts: 34
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cp, can u upload your program to the web?
we really need it..
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extruct
Registerd on: 01/01/1970, 04:00:00
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Posts: 24
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yea cp please!
because i tried to do somthing like that in C but i dont know how to work with files
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cp77fk4r
Global Admin
Registerd on: 01/01/1970, 04:00:00
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Posts: 621
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Nope, it's like I tell ya the password.. look, for this job, VisualBasic is the best lang! and it's not really hard.. you just need to two counter loops!
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Avidor93
Registerd on: 01/01/1970, 04:00:00
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Posts: 65
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hmm i can do this too in c lang...
but the program will say when the text is starting to change....
very easy...
if anyone want that i build this program say here ^.^ ..
edit : i build a program that do the job and write to another file all the text from the point it change.
if cp will say yes i upload the program or the code...
if not i will give a hints.
edit 2:
Shit! it always says that files are same..
cp are you now C?
can you help me if i post here the code?
because the program say the bmp's are the same
: Avidor93 01/10/2005, 11:19:50
: Avidor93 01/10/2005, 11:52:13
: Avidor93 01/10/2005, 12:16:25
: Avidor93 01/10/2005, 12:37:59
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cp77fk4r
Global Admin
Registerd on: 01/01/1970, 04:00:00
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Posts: 621
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Yeah, I _k_now C, Upload the source and I'll try to help ya.
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cp77fk4r
Global Admin
Registerd on: 01/01/1970, 04:00:00
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Posts: 621
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What you try to do with this code?
you don't need to check if the file are differents, you need to get the pixel that make the different!
and I think that VB better than C to this job.
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Avidor93
Registerd on: 01/01/1970, 04:00:00
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Posts: 65
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yea me too...
i guess the files are open in binary way and not text right?
well when i will now VB i do this...
for now please replay to pitbull post
because he found and i too a Strange string
and we dont now what to do with it.
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