Modifying Python Code (PicoCTF 2022 #18 'patchme.py')

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Great job at showing what the thought process is when starting with reverse engineering code.

sechvnnull

I love that you’re putting out so much content John.

b-lay

One should note that XOR is a perfectly (as in absolutely) secure method of encryption as long as the key is used only once. This means that the key should be at least the length of the plaintext, which doesn't happen here, allowing for a third way to solve this.

ΝίκοςΙστοσελίδα

I can't stop binge watching this series and i don't plan to stop anytime soon

wannaberacer

Explaining with hands is an art form in itself :) love your work John, keep it up!

charlesmarseille

nice one again John...and here's for the YT algo stuff....

itsanantsingh

Great video, you are doing fantastic with explaining everything ☺️
Also, adding in stuff like how are you commenting etc. help to get a better understanding

janbielecki

Great content. I am grateful for these priceless knowledge.

deltabytes

Say it out loud is not dumb john - its called rubber ducking lol and i do it EVER SINGLE day even outside of code lol

Love it john - keep being you!

fredb

Hmm.. First time I saw one of your videos and didn't learn something new. I must be making progress ;)

y.vinitsky

Great job. I just changed == to != then anything you enter as a password works.

twistedrisers

Nice video. BTW: are you the J.H. as in 'the father of Jurassic Park-John Alfred Hammond'?

MeMyselfAndBob

I'm glad you could actually do a bit more than making the file an executable on this reverse engineering challenge 😅

lilyclark

This thought me a different way to look at XOR

vossert

This made me think about I wonder what is the algorithm to find how long a word is before it starts repeating, if you didn’t know the word to begin with

gothops

4:00 i feel like all the information for the flag is in check_passwd block

ChristopherBruns-oo

i run into the issue where when i run python <file name> it says that the directory doesn’t exist.. but it is defined on its own directory? if anyone could help that would be awesome

fitness.andrew

I didnt know this content how it is easy 😅

sssjy

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