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Cryptography Challenge #55!
Link | by gendou on 2010-02-21 13:20:04 (edited 2010-06-09 20:13:50)
Welcome to Gendou.com Cryptography Challenge #55!

The goal of this game is to decode the secret message encrypted in this video file.

Once you find the secret message, send it to me in a message by clicking here.

hint 1
hint 2
hint 3

Scoreboard:Already solved it? Want to try some more? See the full list here.


Re: Cryptography Challenge #55!
Link | by Hikaru Maruyama on 2011-05-24 02:16:09
question: would video editing skills be enough? or do i have to make a separate program for this? thanks. and by the way, if my question helped too much, feel free to delete it or something.

Re: Cryptography Challenge #55!
Link | by gendou on 2011-05-24 09:57:21
I don't know enough about video editing to say.
There is a particular manipulation which would render the video so that it is clearly visible.
This manipulation can be deduced by examining the video carefully.
All you need to find the secret message is one frame of the video, so easier solutions exist.


Re: Cryptography Challenge #55!
Link | by "Naru" on 2013-04-05 13:41:57
I have two question about Hint 2:
1 - Am I supposed to switch something in it? (I believe I know the answer (to the question), but I just want to confirm.)
2 - & what exactly is supposed to happen to the vid at that point? (can you tell me this, or would it give the answer away?)
By the way, I tested hint 2 with the files in hint 3. Also, feel free to delete this post as well if my question helped too much.

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Re: Cryptography Challenge #55!
Link | by asysysy on 2013-04-07 20:47:04
Can I get hint about software 2 use...
i'm not very familiar with video editing concept

Re: Cryptography Challenge #55!
Link | by eXtremeShippuuden on 2016-01-25 19:59:23
I will say, for those of you who are still attempting this years after its release (like I did), it is possible without any fancy video editing software. All you need is to be able to implement the transform described in the hints. Some languages make this easier than others, though.

Good luck!

-- eXtremeShippuuden

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