XOR Is Friend Not Food
100 points Hard

Here: \t\x1b\x11\x00\x16\x0b\x1d\x19\x17\x0b\x05\x1d(\x05\x005\x1b\x1f\t,\r\x00\x18\x1c\x0e

I think the flag started with: ctflearn{

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Cryptography ยท intelagent
1045 solves
Rating 4.19
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Discussion

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Kamii443

1 month ago

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it's a really good one

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bloman

1 year ago

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Protected
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SENSEI-XENUS

1 year ago

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Repeatingxor ting

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quido18

1 year ago

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That was nice.

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starkid

1 year ago

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I think putting it in C language escape characters is kinda unnecessary, but hey, I guess it made me work on it a lot longer and make a lot more mistakes?

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zero_cool

1 year ago

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Solved it!

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MShadow

1 year ago

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Since we are only given the first 9 characters of the plaintext, shouldn't it be technically impossbile to figure out what the key is?

-2
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mmk101

1 year ago

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search up what xor cipher is and do arithmetic

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MShadow

1 year ago

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Protected
-2
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Andrewin

2 years ago

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any hints

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adamwalker

2 years ago

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Neat challenge but I would've rated it a light medium. For people struggling with this, just look up what an XOR cipher is and do some arithmetic

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