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HellBound Hackers | Computer General | Cryptography

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aspiring cryptographer

jbookup
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Posted on 15-03-14 02:46
Hello I recently started trying to dive into the field of cryptography, initially I was making mathematically engineered ciphers, after posting my results on a forum I was quickly informed of the errors of my ways and finally revamped my ideas. Unfortunately the forum I was posting on showed no promise of real testing of my ideas. No one even put forth any effort in decrypting a seriously easy string which merely consisted of multiplying and then subtracting to get a number that corresponded to the standard 1-26 a-z. Ex: 247 = a. With the tiniest bit of effort I believe it could'be been broken. But I continued on and came up with something a little more complex but still simple in my eyes. I posted this new string on the other forum but expect no real results. Even with some decent hints. So I will post it here now with the same clues and I hope someone that enjoys challenging mathematically based encryptions will test their wits with that of mine. Which I'm not that smart, I'm smart but nothing exponentially significant. Anyways what you'll be looking at is a 4 letter word and you will be trying to to devise a way to combine the given numbers to a sum that will correspond to a letter of the alphabet but not the standard 1-26 it still goes in a numerical and alphabetical order though. If you get the math right it wont take much thought to figure out the starting point for the alphabet.

78642008877532165994187424169990
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RE: aspiring cryptographer

jbookup
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Posted on 15-03-14 16:33
Please comment with thoughts or questions.


Like a leaf floating down stream, you are unaware of the current plotting your course. You, the leaf, think you are controlling your motion.
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RE: aspiring cryptographer

Huitzilopochtli
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Posted on 16-03-14 14:40
Spag ?
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RE: aspiring cryptographer

jbookup
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Posted on 16-03-14 14:46
Uhm?? Idk? Elaborate please.

EDIT: If referring to spelling punctuation and grammer, then yes. But more like PAG. English wasn't exactly my forte in school. Was more of a science and math nerd.


Like a leaf floating down stream, you are unaware of the current plotting your course. You, the leaf, think you are controlling your motion.

Edited by jbookup on 16-03-14 14:52
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RE: aspiring cryptographer

Huitzilopochtli
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Posted on 16-03-14 14:53
...what you'll be looking at is a 4 letter word


spag
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RE: aspiring cryptographer

jbookup
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Posted on 16-03-14 14:56
I'm confused.


Like a leaf floating down stream, you are unaware of the current plotting your course. You, the leaf, think you are controlling your motion.
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RE: aspiring cryptographer

rex_mundi
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Posted on 16-03-14 15:03
Then I guess "spag' isn't the answer.
U N Ⓡⓔⓧ_Ⓜⓤⓝⓓⓘ
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RE: aspiring cryptographer

jbookup
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Posted on 16-03-14 15:06
Lol. Wow. Like I said I'm not smart. But no spag is not the answer but I would like to hear how you arrived at that conclusion.


Like a leaf floating down stream, you are unaware of the current plotting your course. You, the leaf, think you are controlling your motion.
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RE: aspiring cryptographer

Huitzilopochtli
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Posted on 16-03-14 15:22
7+8*6/4-2+0*0/8-8+7*7/5-3+2*1/6-5+9*9/4-1+8*7/4-2+4*1/6-9+9-90

= spag
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RE: aspiring cryptographer

jbookup
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Posted on 16-03-14 16:01
Man I tried a couple different ways with that and got nothing that I could feasibly make into spag. Anywho that whole method will not get you the answer. Partly my fault, I assumed with the info I had given you that I could post the string as a whole with no breaks because it is one word. But you went a total different direction. Like I said before it is a 4 letter word so therefore given this string I figured you could ascertain that one letter corresponds to 8 digits on the string.

78842008
87753216
59941874
24169990


Like a leaf floating down stream, you are unaware of the current plotting your course. You, the leaf, think you are controlling your motion.
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RE: aspiring cryptographer

jbookup
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Posted on 16-03-14 16:14
This is probably my downfall but I'm feeling a little confident... a-z = 50-75


Like a leaf floating down stream, you are unaware of the current plotting your course. You, the leaf, think you are controlling your motion.
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RE: aspiring cryptographer

Huitzilopochtli
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Posted on 16-03-14 19:23
swag

Edited by Huitzilopochtli on 17-03-14 13:08
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RE: aspiring cryptographer

jbookup
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Posted on 16-03-14 19:33
Nope.


Like a leaf floating down stream, you are unaware of the current plotting your course. You, the leaf, think you are controlling your motion.
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RE: aspiring cryptographer

Huitzilopochtli
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Posted on 16-03-14 19:42
78842008 = n
87753216 = o
59941874 = p
24169990 = e

How you get it work out that ?

Edited by Huitzilopochtli on 18-03-14 14:18
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RE: aspiring cryptographer

jbookup
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Posted on 16-03-14 19:47
Lol. The answer isn't "nope". I was replying to your guess of "swag".


Like a leaf floating down stream, you are unaware of the current plotting your course. You, the leaf, think you are controlling your motion.
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RE: aspiring cryptographer

jbookup
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Posted on 16-03-14 20:43
This might help:

(##)#)#)#)#)#)#)


Like a leaf floating down stream, you are unaware of the current plotting your course. You, the leaf, think you are controlling your motion.
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RE: aspiring cryptographer

Huitzilopochtli
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Posted on 17-03-14 08:40
(s)p)a)g)
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RE: aspiring cryptographer

jbookup
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Posted on 17-03-14 12:53
Lol spag isn't the answer. The whole (##)#)#)#)#)#)#) is necessary for it to be mathematically correct if you are trying to calculate it as a whole using a calculator. If working the math in your head or on paper just work from left to right one digit at a time after the initial two.

Ex: 4+8*5 would be mathematically correct if answer = 44
But if wrote (4+8)*5) it equals 60.

Hopefully you understand what I'm trying to say. Its always been difficult for me to explain things.


Like a leaf floating down stream, you are unaware of the current plotting your course. You, the leaf, think you are controlling your motion.
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RE: aspiring cryptographer

jbookup
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Posted on 17-03-14 12:57
If you don't mind working out your math to show me how you get spag I would greatly appreciate it because you seem pretty confident in your answer and it makes me curious.


Like a leaf floating down stream, you are unaware of the current plotting your course. You, the leaf, think you are controlling your motion.
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RE: aspiring cryptographer

jbookup
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Posted on 17-03-14 12:58
Edit: previous message double posted.


Like a leaf floating down stream, you are unaware of the current plotting your course. You, the leaf, think you are controlling your motion.

Edited by jbookup on 17-03-14 13:00
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