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Old 11-28-2017, 02:57 PM   #1 (permalink)
W͂O̠̳ͨ̍̍̒̈́͛̕Ķ͎̠̱̰̓ͦĒ ̍̓ͦ
 
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Default In a bit of a pickle with deciphering...

So, I was just doing this online quiz about cyber security and all was going fine until the last question: These two numbers: 0xB105F00D and 0x4BCB0EE0 can be used to generate a secret key starting with '0x', what is it? I tried adding, subtracting, reversing, swapping binary 0s with 1s and many combinations of these but still I didn't get anything that even looked correct. Is there anything I am missing out? Seriously, this forum is my last resort and I literally tried everything I can think of.

Btw, this aint homework or anything like that, I'm just doing it in my spare time.
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Old 11-28-2017, 03:11 PM   #2 (permalink)
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Default Re: In a bit of a pickle with deciphering...

Is it a multiple choice question? The first one looks like hexspeak lol
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Old 11-28-2017, 04:55 PM   #3 (permalink)
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Default Re: In a bit of a pickle with deciphering...

Nah, its not. I'm just totally baffled by this question. Its actually from a government scheme called 'cyberdiscovery' and is this question is aimed at under 18s which is kinda crazy
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Old 11-28-2017, 05:06 PM   #4 (permalink)
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Default Re: In a bit of a pickle with deciphering...

I have a hunch they've designed the question to be overthought. I think the answer is electricity, bits, bytes, or something fundamental like that. Those things are FOOD for the B10S lol
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Old 11-28-2017, 05:16 PM   #5 (permalink)
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Default Re: In a bit of a pickle with deciphering...

Maybe. I mean, what other simple ways can I manipulate these numbers?
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Old 11-29-2017, 11:15 PM   #6 (permalink)
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Default Re: In a bit of a pickle with deciphering...

To point you in the right direction, you have to find a way to combine them so that the last 4 digits read "FEED".
Hint: you'll also need to convert it to binary first:

1011 0001 0000 0101 1111 0000 0000 1101
0100 1011 1100 1011 0000 1110 1110 0000
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Old 11-30-2017, 08:41 AM   #7 (permalink)
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Default Re: In a bit of a pickle with deciphering...

Adding them in hex you get FEED as the last 4
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Old 11-30-2017, 09:18 AM   #8 (permalink)
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Default Re: In a bit of a pickle with deciphering...

*except that one lucky coincidence with the word that it works with addition, the first part doesn't though.
If you wanna know though
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Old 11-30-2017, 02:03 PM   #9 (permalink)
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Default Re: In a bit of a pickle with deciphering...

Quote:
Originally Posted by S0ULphIRE View Post
*except that one lucky coincidence with the word that it works with addition, the first part doesn't though.
If you wanna know though
Wow, damn how did u think of that lol, I know I would have never. Yeah, I did get to the conclusion that the second half of the code was 'FEED' but I had no idea what the first half was. At some point, I was even assuming that the hex number would translate to something in ASCII but it didn't
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