CTF challenges & writeups

151 challenges in family ⊕ crypto:rsa ✕ clear · browse all techniques

Challenge	CTF	Weight	Category	Has
RSA_Recycle #rsa #cycling-attack	ToH 2025	24.27	Crypto	files wu 1
Modulus_RSA #rsa #multiprime #residue-recovery #bruteforce	CyberSpace 2024	24.83	Crypto	files wu 1
ezcoppersmith #rsa #ecm-factorization	CyberSpace 2024	24.83	Crypto	files wu 1
3_spies #hastad-broadcast #rsa #crt	Pearl 2024	23.95	Crypto	files wu 1
FusEd #rsa-signature-forgery #bit-manipulation	CCCamp 2023	25.00	Crypto	files wu 1
Small_Inscription #rsa #low-exponent #coppersmith #stereotyped-message	DanteCTF 2023	24.44	Crypto	files wu 1
Big_RSA #rsa #phi-leak-factorization	TeamItaly 2023	24.88	Crypto	files wu 1
EZDORSA-Lv2 #rsa #low-public-exponent #nth-root	WaniCTF 2023	24.99	Crypto	files wu 1
EZDORSA-Lv3 #rsa #multiprime #factorization	WaniCTF 2023	24.99	Crypto	files wu 1
pqqp #rsa #factorization-from-hint	WaniCTF 2023	24.99	Crypto	files wu 1
easy_rsa #rsa #bitwise-leak #bit-by-bit-dfs-factoring	pingCTF 2023	–	Crypto	files wu 2
CrookedRoulette #rsa-blinding-forgery	KITCTFCTF 2022	–	Crypto	files wu 1
NeutronMail #common-factor-gcd	LakeCTF 2022 Quals	23.96	Crypto	files wu 1
baby-rsa #rsa #known-prime #factorization	WRECKCTF 2022	–	Crypto	files wu 1
rsa #rsa #signing-oracle #blinding	WRECKCTF 2022	–	Crypto	files wu 1
eazy-RSA #rsa #e-and-phi-not-coprime #modular-square-root #crt	0x41414141 2021	–	Crypto	files wu 3
Damn_Randomware #rsa #leaked-private-key	BSidesTLV 2021	23.94	Crypto	files wu 1
Huge_Primes #integer-factorization #yafu	Block 2021	30.75	Web	files wu 2
Defective_RSA #rsa #eth-root #crt	BuckeyeCTF 2021	24.81	Crypto	files wu 1
Snab_Yes_Snab #rsa #factordb	COMPFEST 2021	–	Crypto	files wu 2
Private_Encryption_Mistake #rsa #partial-private-key-recovery #ocr	DCTF 2021	–	Crypto	files wu 1
Non-Square_Freedom_1 #non-squarefree-rsa	K3RN3LCTF 2021	24.37	Crypto	files wu 2
Non-Square_Freedom_2 #non-squarefree-rsa	K3RN3LCTF 2021	24.37	Crypto	files wu 2
Total_Encryption #franklin-reiter	K3RN3LCTF 2021	24.37	Crypto	files wu 1
Crypto_101 #rsa-factordb	MetaRed 2021	–	Crypto	files wu 1
MRSA #rsa #modular-oracle #p-mod-r-leak	PBjar 2021	23.18	Crypto	files wu 1
Not_Baby #rsa #factordb #multi-prime-rsa	PBjar 2021	23.18	Crypto	files wu 1
leftovers #nth-roots-of-unity #modular-roots	PBjar 2021	23.18	Crypto	files wu 1
not_baby_fixed #rsa #polynomial-factorization	PBjar 2021	23.18	Crypto	files wu 1
RadioStationApocalypse #rsa #rsactftool	TrollCAT 2021	21.87	Crypto	files wu 2
CrackSSH #rsa #weak-ssh-key	TsukuCTF 2021	–	Crypto	files wu 1

Challenges