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2023

corCTF 2023 Writeups

Little known fact: Crusaders of Rust used to not know Rust.

a an00b
August 5, 2023
32 min read

crypto
web
reverse-engineering
classical
cbc
modular-arithmetic
rsa
block-cipher
stream-cipher
touch-grass
Nahamcon 2023: Cryptography

crypto means cryptography, not cryptocurrency

a an00b
June 18, 2023
15 min read

crypto
length-extension
hash
rsa
rref
sha1
merkle-damgard
ecc
ecdsa-nonce-reuse
ecdsa
Cyber Apocalypse 2023: Alien Saboteur

You spin me right round baby right round baby right round baby right round baby right round baby right round baby right round baby right round baby ...

a an00b
March 25, 2023
23 min read

reverse-engineering
linux
ghidra
gdb
ptrace
htb-cyber-apocalypse
virtual-machine