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 Forum index » Diversions » Perplex City Puzzle Cards » PXC: Silver Puzzle Cards
[LOCKED] [Puzzle] #243 Silver - Shuffled
Moderators: AnthraX101, bagsbee, BrianEnigma, cassandra, Giskard, lhall, Mikeyj, myf, poozle, RobMagus, xnbomb
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Guin
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Joined: 11 Jan 2006
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OKIES (oops caps) have tried a variety of methods this morning (4 hours in total!) have keyed the deck backwards, forwards moved the text and now Im gonna go sit in the bath and scream (actually get ready for work!)

I feel like I am missing something but I cant put my finger on it. the 108 letters seems to imply 54 pairs, but how do we associate them with individual cards - thinking back to COH we went way off the track and it was way simpler than we had put it out to be - there is no clear indication that these 108 make up anything other than the code.

The card and clues seem to simply show us a deck of cards, which we now have, this provides the order of the starting deck to which we can then generate the letter stream and the keying of the deck, we know that if entropy wins outward looks should leave you cold - heat the card the first and last 10 letters dissapear - seems reasonable to me - then we are left with the 108 letters which quite simply do not make any sense once deciphered using the keystream - AAAAAAAARRRRRRGGGGGG

deep breathes

right need to get ready for work Censored and then eat
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PostPosted: Thu Mar 09, 2006 7:55 am
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doomsdayred
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Guin, how did you manage to get that combo of letters "AAAAAAAARRRRRRGGGGGG" Wink

Personally i think we are over complicating things. The 108 charaters IMO is the message we have to decipher and just a deliberate coincidence that it correspondes to 2 complete decks.

The 20 heat sensitive letters can't be the message, again IMO after we get the name the remaining message would be too short to be significant, after all we know Sente was invovlved so is probably part of the message

sente kiteway = 13 characters including space, leaving 7 characters for the rest of the message and that must include at least 1 more space. Seems unlikely.
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PostPosted: Thu Mar 09, 2006 8:12 am
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AngusA
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I've been working on the assumption that the 128 characters weren't on the deck handed to Garnet but were added by him for the puzzle as he makes no mention of it in the text. But it is a pretty big assumption. If they were on the original deck then I would agree that it isn't the card order. Can't get my head around the purpose of the first and last group of 10 characters.

PostPosted: Thu Mar 09, 2006 9:08 am
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Guin
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AngusA wrote:
I've been working on the assumption that the 128 characters weren't on the deck handed to Garnet but were added by him for the puzzle as he makes no mention of it in the text. But it is a pretty big assumption. If they were on the original deck then I would agree that it isn't the card order. Can't get my head around the purpose of the first and last group of 10 characters.


If you are solving a solitaire then the purpose of the first and last 10 characters would be to throw anyone off the scent if they didnt know they were heat sensitive. If you take the text:

SENTEHASTHECUBEANDWANTSTOSELLITONEBAY

Using a standard deck key you get

WRCOPJOGRUHAALSARYOYUOBBNGMRPNZMWHSIW

Add 10 extra random characters, say ITISINHISHSED so it now reads

ITISINHISHSEDSENTEHASTHECUBEANDWANTSTOSELLITONEBAY

the solitaire will read:

MGXNTPVWQUVCJCSNXZZYZOQMBIJKESJUJQKARPISWPAOXTKTOI

the text stream does not relate to the original stream throwing any would be crackers off the scent. Hope that helps

So the entropy removes the text we dont use.

Now the big question that wont get out of my mind is how the Censored do we solve the rest lol
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PostPosted: Thu Mar 09, 2006 1:44 pm
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cheesey
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Joined: 23 Nov 2005
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Guin

Do you think then that the 'If entropy...' quote is only telling us to remove the heated text, and we dont need to use it as a key, or as any other clue?

If thats the case and we are throwing away the heated text and the 'If entropy' quote, the only information we are left with is the WBBMC...., the Joker with the Star and maybe Made in China and Five of Cups.

Now its gone from too much information to not enough!
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PostPosted: Fri Mar 10, 2006 8:55 am
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Guin
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Sorry long post btw.

I hear what you are saying Cheesey. Ive put my thought process below.

cheesey wrote:
Guin

Do you think then that the 'If entropy...' quote is only telling us to remove the heated text, and we dont need to use it as a key, or as any other clue?

If thats the case and we are throwing away the heated text and the 'If entropy' quote, the only information we are left with is the WBBMC...., the Joker with the Star and maybe Made in China and Five of Cups.

Now its gone from too much information to not enough!


Well something is amiss as I have tried lots of variations on the deck

my methodology is this:

main clues - the deck of cards (new), the message "If entropy..." the text on the box. Garnet gives us nothing else apart from the joker which to my mind tells us that it is distinguashable from the other joker which is very important in a solitaire.

with COH we went way to off track. we needed to convert the text, create a table using the 600 clue and then as indicated by the clue look at some possible spelling mistakes.

So i am thinking that the path should be something like this:

We found the cards, so we bought some.

The deck of cards on the card is new and sealed, so logically it should be a newly keyed deck based on the order of the deck in the picture (see earlier posts).

there are no clues to garnet apart from the message. The message "if entropy wins..." to my mind is telling garnet to heat up the text revealing the text he should use in the solitaire using the deck he has been given by the guy in the bar.

But having tried this i am getting no where. I have tried reordering the text moving letters individually, but theres no real clue as to if or how we would do this.

I dont think that the 3 main points are too little. A solitaire is normally very complex as each time you get a letter you then go through the 4 or 5 steps again to get the next card and letter value. using the applets on the Bruce sight just speeds it up.

My main concern now (based on past errors on cards) is that the keying is wrong which would mean we would only solve this is we ran every available key and that quite frankly is not gonna happen as there are something like 26 million possible deck orders

Anyway, I am happy to be corrected and am in no way suggesting I am 100% correct and have the right solution as currently I still have not solved this card.

But its just my thoughts and will also hopefully save anyone else repeating the process or prompt them to see the correct way to solve this

EDIT - I am considering emailing MC
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PostPosted: Fri Mar 10, 2006 9:51 am
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anon
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Minor correction to your post Guin... the number of possible deck orders is more like 2.3E+71 which is 230,843,697,339,241,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000 combinations. If it were 26 million I would have done it a long time ago.

But your point that it's not gonna happen is spot on. Not just for the computing power it would take, but also for the massive amounts of outputs that would seem to fit the puzzle.

PostPosted: Fri Mar 10, 2006 10:07 am
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Guin
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anon wrote:
Minor correction to your post Guin... the number of possible deck orders is more like 2.3E+71 which is 230,843,697,339,241,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000 combinations. If it were 26 million I would have done it a long time ago.

But your point that it's not gonna happen is spot on. Not just for the computing power it would take, but also for the massive amounts of outputs that would seem to fit the puzzle.


I knew it was a big number, just not THAT big

Shocked
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PostPosted: Fri Mar 10, 2006 10:21 am
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Stratman
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Just my TC
Like most of us I thought the Motor cards order would have cracked it. I join you all in a collective sigh...
I still assume we are looking at Solitaire because of the star on the joker.
Going back to basics...if the cards were handed to Garnet hoping the cipher was secure, then what we are looking for is a secure deck order or a secure keyphrase.
1 Secure deck order - If the deck was keyed first and given to Garnet, he does not tell us the deck order as he was given it. So we are left with Motor cards new deck order or the Solitaire 1-54 start deck order.
2 Secure keyphrase - 'If entropy etc' could be a keyphrase, but according to the Solitaire site it is too short to be secure. But if the deck were grabbed by the 'secret police', it is the only thing Garnet knew that they would not know. So it must be the key to the security, whether that be using it as a keyphrase, solving its cryptic wording (code as opposed to cipher - the card, Von's clue and Garnet's email may be using the words code and cipher very carefully) to produce something else, or taking it to just mean ignore the heat sensitive letters.
3 Of course 'WMMBCH etc' could be the keyphrase - it is certainly long enough. But what then do we decipher? Surely 'EODMF etc' is too short for a message. (SENTECREATEDTHEDJINN, I suppose...doesnt work!). 'WMMBCH etc' could also be a deck order, but I cant seem to get away from too many doubles no matter how I try to number the pairs - and it still leaves a problem with what to decipher.
I am sure, like me, you have all tried every keyphrase you can think of, all manner of deck orders etc. I am rapidly running out of ideas in which direction to head next.
Sorry if this was a bit long - just putting my thoughts together...I feel it is so close to being solved...so frustrating!

PostPosted: Fri Mar 10, 2006 10:42 am
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doomsdayred
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I'm having a few problems keying the new deck order, does anyone else have one I can match to purely for reference purposes?
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PostPosted: Fri Mar 10, 2006 10:54 am
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Guin
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doomsdayred wrote:
I'm having a few problems keying the new deck order, does anyone else have one I can match to purely for reference purposes?


how do you mean?

If you mean teh order of the deck I posted 1 earlier and theres one posted by Strattman. I used the bridge card value to key so it reads:

53, 54, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52

the 2 jokers are on the top of the deck face up, followed by diamonds, clubs, hearts and spades

I have tried the bridge order too, neither have born any fruit.

I think you are right Strattman, the passphrase must be the next logical step - but what.......
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PostPosted: Fri Mar 10, 2006 11:21 am
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Guin
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doing my thinking aloud to help us move forward here:

okies Ive gone back to basics a bit here based on our recent and and very collective sigh:

Bruce Schneier tells us:
Quote:
4. Solitaire is reversible. This means that if you leave the deck lying around after you've encrypted your message, the secret police can find it and work the algorithm backwards using the deck. This process can recover all of the output cards and decrypt a message. It is important that you shuffle the deck completely, six times, after you finish encrypting a message.


so if we have a new deck of cards, or someone took the cards off Garnet its easy for anyone to crack as they would have the code and the deck. so its logical it is a pass phrase.

He also says:
Quote:
6. Be careful about worksheets, if you have to write things down. They will have sensitive information on them.


So the only thing that he gives Garnet is the oral message. I doubt its anything to do with the note he received about the meeting as we have been told everything we need is on the card.

So we need to look at how we can make "If entropy...." into a secure pass phrase.....
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PostPosted: Fri Mar 10, 2006 11:48 am
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doomsdayred
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Guin wrote:
how do you mean?


One of the rules of solitaire is keying the deck.

When you code the message this is done and if you are working from a deck in new order then there is a standard key to use. The motor deck uses a different as new order though so we can't rely on the suggested key order have to key the deck ourselves.

If no one has done this then thats what the problem is (or might be). I am currently about 50 places through the key order but the jokers have now reversed position in the deck and the process is not really making sense now.
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PostPosted: Fri Mar 10, 2006 12:22 pm
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GinGenie
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If the 108 letter string is a hint that it is associated with 1 or 2 decks of cards, then perhaps we have to 'shuffle' these letters to get the correct key or starting deck order.

http://www.jimloy.com/math/shuffle.htm

Its interesting to note that there are 'in' shuffles and 'out' shuffles. Maybe 'outward looks' is refering to this, though I still like the idea from upthread (not mine) that it is refering to the outwards/sideways facing court cards. Again, if the WBBMC sequence is the key and also pointing to association with a deck/decks of cards, then perhaps we should leave out out particular bits of the sequence relating to the outward/sideways facing courtcards.

PostPosted: Fri Mar 10, 2006 12:59 pm
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Guin
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GinGenie wrote:
If the 108 letter string is a hint that it is associated with 1 or 2 decks of cards, then perhaps we have to 'shuffle' these letters to get the correct key or starting deck order.

http://www.jimloy.com/math/shuffle.htm

Its interesting to note that there are 'in' shuffles and 'out' shuffles. Maybe 'outward looks' is refering to this, though I still like the idea from upthread (not mine) that it is refering to the outwards/sideways facing court cards. Again, if the WBBMC sequence is the key and also pointing to association with a deck/decks of cards, then perhaps we should leave out out particular bits of the sequence relating to the outward/sideways facing courtcards.


Funnily enough you read my mind and I had looked up this very same page. I tried a perfect shuffle - split the 108 into 2 groups of 54 and alternated them both ways. I didnt get a result though - i may have screwed though as it was late.
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PostPosted: Fri Mar 10, 2006 1:32 pm
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