CTF challenges & writeups

Challenge	CTF	Weight	Category	Has
cupcakes #vigenere	HSCTF 2023	–	Crypto	files wu 1
double-trouble #caesar-cipher	HSCTF 2023	–	Crypto	files wu 3
really-small-algorithm #rsa	HSCTF 2023	–	Crypto	files wu 1
spring #java-random	HSCTF 2023	–	Crypto	files wu 1
trios #substitution-cipher	HSCTF 2023	–	Crypto	files wu 2
baby-baby-rsa #brute-force	HSCTF 2022	–	Crypto	files wu 2
lcvc #lcg	HSCTF 2022	–	Crypto	files wu 1
otp #mersenne-twister	HSCTF 2022	–	Crypto	files wu 1
aptenodytes-forsteri #substitution-cipher	HSCTF 2021	–	Crypto	files src wu 2
opisthocomus-hoazin #known-plaintext	HSCTF 2021	–	Crypto	files src wu 2
queen-of-the-hill #hill-cipher	HSCTF 2021	–	Crypto	files src wu 2
regulus-satrapa #partial-key-exposure	HSCTF 2021	–	Crypto	files wu 1
casino	HSCTF 2023	–	Crypto	files
cosmic-ray	HSCTF 2023	–	Crypto	files
order	HSCTF 2023	–	Crypto	files
baby-rsa	HSCTF 2022	–	Crypto	files
homophones	HSCTF 2022	–	Crypto	files
the-vault	HSCTF 2022	–	Crypto	files
agelaius-phoeniceus	HSCTF 2021	–	Crypto	files
canis-lupus-familiaris-bernardus	HSCTF 2021	–	Crypto	files src
cyanocitta-cristata-cyanotephra	HSCTF 2021	–	Crypto	files
cyanocitta-cristata-cyanotephra-but-fixed	HSCTF 2021	–	Crypto	files
regulus-ignicapilla	HSCTF 2021	–	Crypto	files
Unexpected	HSCTF 2020	–	Crypto	files src
XORed	HSCTF 2020	–	Crypto	files src
A Lost Cause	HSCTF 2019	–	Crypto	files
Welcome To Crypto Land	HSCTF 2019	–	Crypto	files src

Challenges