$ ctf42

#logic-circuit-reversing CTF challenges

4 CTF challenges using logic-circuit-reversing from 1 CTF (2021), 4 with writeups.

Reverse · 4

Often combined with

#xor-cipher 1 #xnor-cipher 1 #shift-xor-cipher-inversion 1 #shift-add-xor-cipher 1

Challenges

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Challenge CTF Weight Category Has
Digitally_Encrypted_1
#logic-circuit-reversing#xor-cipher
 BCACTF 2021 – Reverse files wu 2
Digitally_Encrypted_2
#logic-circuit-reversing#xnor-cipher
 BCACTF 2021 – Reverse files wu 2
Digitally_Encrypted_2.99999
#logic-circuit-reversing#shift-xor-cipher-inversion
 BCACTF 2021 – Reverse files wu 1
Digitally_Encrypted_3
#logic-circuit-reversing#shift-add-xor-cipher
 BCACTF 2021 – Reverse files wu 1