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Chalks
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icon A Quick Brown Fox... (+1)  
I was thinking today, about interesting ways to cleverly disguise a well known sentance/phrase. Not really sure why, but that's what I was doing. Then, I thought "Hey! It might be fun to see how many ways we can disguise them..." This of course led to the thought "Huh. I like cottage cheese." Which brings me to my next point:

1. First poster disguises the sentence:
A quick brown fox jumped over the lazy dog.

2. Second poster (or third, or fourth, etc.) tries to figure out how the first poster disguised it.

3. First poster gives rank points (however many you can/want) to poster who gets it right.

4. Poster who got it right posts a new way to disguise the sentence.

5. Repeat!



here's mine:
a(x)^pthbj + a(xxxxx)^enw + a(xxxxxx)^nudq + a(xxx)^kzyx + 1(xxx)^0

(yeah, I just got out of math class :D )
09-25-2006 at 02:47 PM
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NiroZ
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icon Re: A Quick Brown Fox... (0)  
quote:
Chalks wrote:
here's mine:
a(x)^pthbj + a(xxxxx)^enw + a(xxxxxx)^nudq + a(xxx)^kzyx + 1(xxx)^0

(yeah, I just got out of math class :D )


I like the idea, but not how you just implemented it.

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making it sharper
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09-25-2006 at 02:54 PM
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Chris
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icon Re: A Quick Brown Fox... (0)  
quote:
NiroZ wrote:
I like the idea, but not how you just implemented it.

Yes it does seem to be a bit complicated for the first round. Could you show a simpler example so we can get some idea of what's going on please?
09-25-2006 at 05:31 PM
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michthro
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icon Re: A Quick Brown Fox... (+3)  
hmmm.. I don't see how to completely recover the sentence, but the pattern is a(first word with letters all changed to x)^second word with letters shifted back by one + a(third word with letters all changed to x)^fourth word with letters shifted back by one + ...

So I recover: x quick xxxxx fox xxxxxx over xxx lazy xxx.
09-25-2006 at 05:47 PM
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Chalks
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icon Re: A Quick Brown Fox... (0)  
right. This is an innefective way to disguise any sentence that ISN'T well known. I was simply trying to figure out a way to take the derivitive of a sentence.

so, for example:

if you have f(x)=x^2, the derivitive of f(x) is f'(x)=2x^1

so, a sentence is:

here is my sentence
f(x)=here^is + my^sentence
f'(x)=is(here)^is-1 + sentence(my)^sentence-1

so... it's innefective, but it does what I wanted it to do. hooray for derivitives of english! :D
09-25-2006 at 06:21 PM
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michthro
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icon Re: A Quick Brown Fox... (0)  
Ahh.. That's what it was about! Derivatives of sentences. Good one.

Ok, let's make the next one easy.

N dhvpx oebja sbk whzcrq bire gur ynml qbt.


For a hint I'll give Chalks' derivative of f(x) = x^hint (not that you'll need it, but it may save some time.): f'(x) = hint x^qns02.
09-25-2006 at 06:55 PM
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silver
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icon Re: A Quick Brown Fox... (+2)  
that's not rot13 is it? :)


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09-25-2006 at 07:15 PM
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michthro
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icon Re: A Quick Brown Fox... (0)  
quote:
silver wrote:
that's not rot13 is it? :)

Spot on! Your turn.
09-25-2006 at 07:33 PM
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silver
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icon Re: A Quick Brown Fox... (0)  
another easy one, at least for the geeks:

QSBxdWljayBicm93biBmb3gganVtcGVkIG92ZXIgdGhlIGxhenkgZG9nCg==


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09-25-2006 at 07:37 PM
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michthro
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icon Re: A Quick Brown Fox... (+2)  
That's base64. The "==" at the end is a dead giveaway.
Note that this doesn't necessarily make me a geek, since I only happen to know about base64 having recently delved into the DROD source.
09-25-2006 at 08:15 PM
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Tahnan
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icon Re: A Quick Brown Fox... (0)  
Can you be more specific? How did he get from the original sentence to the base64 string?
09-25-2006 at 08:27 PM
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silver
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icon Re: A Quick Brown Fox... (0)  
Are you asking because
(a) you believe you know how I did it, and think that should be part of the answer, but are kindly giving michthro a chance to include that,
or
(b) you're just curious?

I'm personally willing to give it to michthro already...


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09-25-2006 at 08:50 PM
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michthro
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icon Re: A Quick Brown Fox... (0)  
Go here, enter the sentence, and click "encode". Info on how base64 works can be found here.
09-25-2006 at 08:50 PM
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silver
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icon Re: A Quick Brown Fox... (0)  
actually, I did this:

~> cat > foo
A quick brown fox jumped over the lazy dog
~> uuencode --base64 foo foo.out
begin-base64 644 foo.out
QSBxdWljayBicm93biBmb3gganVtcGVkIG92ZXIgdGhlIGxhenkgZG9nCg==
====

and then cut and pasted the second line of output.

but, as I said, I was just looking for "base64". your turn, michthro (look back 2 posts for your mod points)



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[Last edited by silver at 09-25-2006 08:53 PM]
09-25-2006 at 08:53 PM
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michthro
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icon Re: A Quick Brown Fox... (0)  
Ok. Man, these things are hard to do.
RANIVEKQK
UEICMITIK
XBVROWENG
WALLUFOKU
XJTUIMPZM
EEDNOSVCO
ZNATYEERT
LHEMISLAZ
OYDODOOMG


09-25-2006 at 10:12 PM
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Tim
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icon Re: A Quick Brown Fox... (+1)  
I think one of the 'S' should be 's' ;)
RANIVEKQK
UEICMITIK
XBVROWENG
WALLUFOKU
XJTUIMPZM
EEDNOsVCO
ZNATYEERT
LHEMISLAZ
OYDODOOMG


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[Last edited by Tim at 09-25-2006 11:06 PM]
09-25-2006 at 11:05 PM
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michthro
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icon Re: A Quick Brown Fox... (0)  
Ok, you got it, Tim. Have a rank point so long, and go ahead with the next one, but I'm going to ask for a list of names if you want full marks.
09-25-2006 at 11:21 PM
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silver
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icon Re: A Quick Brown Fox... (0)  
list of names? he got it?
I still have no idea what's going on here. (though perhaps I'm waiting for his "full marks" explanation to enlighten me)


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09-25-2006 at 11:26 PM
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Chaco
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icon Re: A Quick Brown Fox... (0)  
Well, I can pick out a couple other names...

RANIVEKQK
UEICMITIK
XBVROWENG
WALLUFOKU
XJTUIMPZM
EEDNOsVCO
ZNATYEERT
LHEMISLAZ
OYDODOOMG


Not entirely sure about the encoding mechanism, however.

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Quick links to my stuff (in case you forgot where it was):
Click here to view the secret text


[Last edited by Chaco at 09-25-2006 11:45 PM]
09-25-2006 at 11:44 PM
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Tim
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icon Re: A Quick Brown Fox... (+2)  
New one then:
xxxxxxxxxxxxxxxx
AGODQYZAULICKBET
QKHFMOTQLREPOVOA
UBDOPVETAPQMULJC
IRXYEEOICFATCANT
COWJDROMKRIHADBO
ZWKUPCIUEQUETYAH
xxxxxxxxxxxxxxxx


-- Tim

PS. Here's the list (if you remove these from michthro's grid, you will get the sentence):

silver
Kevin
Tim
Kie
Syntax
Gumo
kzc
Wallu
Ezlo
Eytanz
Sim
Doom


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The best way to lose customers is to let little kids running loose on a forum with too many mod points.

[Last edited by Tim at 09-25-2006 11:49 PM]
09-25-2006 at 11:47 PM
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TripleM
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icon Re: A Quick Brown Fox... (+1)  
tim, wallu, eytanz, doom, syntax, silver, ezlo, kevin, kie, sim, gumo, kzc
 A     Q 
U IC    K
 B ROW N 
     FO  
XJ U MP 
 ED O V  
      ERT
 HE   LAZ
 YDO    G
Its a wordfind, remove the names to get the above.
[edit] - whoops, Tim beat me to it. Now, time to attempt his..

[Last edited by TripleM at 09-25-2006 11:49 PM]
09-25-2006 at 11:48 PM
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silver
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icon Re: A Quick Brown Fox... (0)  
So the 's' thing was a semi-joking reference to the discussion in The Illumination?

Nice one. Now I understand the encoding and how michthro knew Tim had the encoding from the obscure observation of Tim's.


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[Last edited by silver at 09-26-2006 12:00 AM]
09-25-2006 at 11:58 PM
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Tim
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icon Re: A Quick Brown Fox... (+1)  
quote:
silver wrote:
So the 's' thing was a semi-joking reference to the discussion in The Illumination?
Do I look like I was joking? I'm just trying to write someone's name correctly...

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09-26-2006 at 12:05 AM
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Drgamer
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icon Re: A Quick Brown Fox... (0)  
Well, his name isn't sILVER
;)
09-26-2006 at 12:14 AM
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Tim
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icon Re: A Quick Brown Fox... (0)  
Well, I understood he wanted his first letter to be lower case, and I'm too shy to ask him about the rest of his name... :(

You don't want to know how many times people can spell my name incorrectly, and my name has only 3 letters! So I can understand his frustration all too well...

Oh, perhaps this one was a bit hard. But this gives me a good reason to go to bed now... But believe me, you will understand the encoding method once you solved this one correctly...

-- Tim

[Last edited by Tim at 09-26-2006 12:28 AM]
09-26-2006 at 12:27 AM
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Tahnan
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icon Re: A Quick Brown Fox... (+2)  
Do people really have that much trouble spelling "Tom"? It's only three letters...

But indeed, Tim wanted to make sure we could spell his name this time. Hence:

Click here to view the secret text


09-26-2006 at 08:31 AM
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Tahnan
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icon Re: A Quick Brown Fox... (0)  
And, if you'll forgive the presumption of posting a new encoding before Tim's actually confirmed the old one:

TQBVC XURVJ NSHXQ HMCLO CRRGA ESNZL WON.

(And I hope as well that you'll forgive my changing the sentence to A quick brown fox jumps over the lazy dog; it's such a shame not to have all 26 letters in there.)
09-26-2006 at 08:36 AM
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Lardarse
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icon Re: A Quick Brown Fox... (+2)  
Tim: Well hidden!

Tahnan: That's Vigenère, isn't it?

[Last edited by Lardarse at 09-26-2006 08:47 AM]
09-26-2006 at 08:40 AM
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michthro
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icon Re: A Quick Brown Fox... (0)  
quote:
Lardarse wrote:
Tahnan: That's Vigenère, isn't it?
You beat me to it. Vigenere with passphrase "Tahnan" (and the spaces moved).
09-26-2006 at 10:10 AM
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Tahnan
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icon Re: A Quick Brown Fox... (0)  
Vigenere it is! (Which happens to be my favorite encoding mechanism.)
09-26-2006 at 03:54 PM
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