CTF challenges & writeups

112 challenges tagged #rsa ✕ clear · browse all techniques

Challenge	CTF	Weight	Category	Has
this_is_not_lsb #rsa #lsb-oracle #lll (lll-lattice-reduction)	SECCON 2022 Quals	97.90	Crypto	files wu 1
close_enough #rsa #fermat-factorization #close-primes	SEETF 2022	–	Crypto	files wu 3
lost_modulus #rsa #modulus-recovery	SEETF 2022	–	Crypto	files wu 2
escrime #rsa #common-factor #gcd	Securinets 2022 Quals	50.11	Crypto	files wu 1
Fancy_e #rsa #wiener-attack	Srdnlen 2022	24.17	Crypto	files wu 1
factor-master #rsa #factorization	TJCTF 2022	–	Crypto	files wu 1
rsa-apprentice #rsa	TJCTF 2022	–	Crypto	files wu 2
Bro-key-n #rsa #partial-key-recovery	UIUCTF 2022	–	Crypto	files wu 1
asr #rsa	UIUCTF 2022	–	Crypto	files src wu 1
hidE #rsa #common-modulus-attack	corCTF 2022	24.92	Crypto	files wu 2
anti_fermat #rsa #factorization #known-sum #bit-complement	zer0pts 2022	35.97	Crypto	files wu 3
DamaS #rsa #boneh-durfee #small-private-exponent #coppersmith	ASIS 2021 Quals	89.22	Crypto	files wu 1
Easy_RSA #rsa #textbook-decryption	BCACTF 2021	–	Crypto	files wu 3
Little_e #rsa #small-exponent-e=3 #cube-root-attack	BCACTF 2021	–	Crypto	files wu 1
Slightly_Harder_RSA #rsa #factordb-factorization	BCACTF 2021	–	Crypto	files wu 2
Bits #rsa #lsb-oracle #discrete-log #binary-search-factoring	CSAW 2021 Quals	20.54	Crypto	files wu 3
DoRSA #rsa #wiener-attack #continued-fractions	Crypto 2021	36.00	Misc	files wu 1
RSAphantine #rsa #diophantine-equations #sum-of-cubes-factoring	Crypto 2021	36.00	Misc	files wu 1
Triplet #rsa #shared-exponent-multiple-moduli #phi-multiple	Crypto 2021	36.00	Misc	files wu 2
hamul #rsa #factoring-concatenated-primes	Crypto 2021	36.00	Misc	files wu 1
BootlessRSA #rsa #low-exponent #cube-root	DaVinciCTF 2021	24.50	Crypto	files wu 3
TheMoreTheLess #rsa #multiprime #factordb	DaVinciCTF 2021	24.50	Crypto	files wu 2
Really_Secure_Algorithm #rsa #wiener-attack	DawgCTF 2021	23.29	Crypto	files wu 3
The_Obligatory_RSA_Challenge #rsa #factordb	DawgCTF 2021	23.29	Crypto	files wu 3
RSA-1 #rsa #rsactftool #small-factor	DeconstruCT.F 2021	19.69	Crypto	files wu 3
RSA-2 #rsa #low-exponent #cube-root	DeconstruCT.F 2021	19.69	Crypto	files wu 3
RSA-3 #rsa #wiener-attack	DeconstruCT.F 2021	19.69	Crypto	files wu 3
xorsa #xor-leak-factoring #bit-by-bit-factoring #rsa	PlaidCTF 2021	99.64	Crypto	files wu 3
Uncommon_Factors_II #rsa #implicit-factoring #lll (lll-lattice-reduction)	RCTF 2021	–	Crypto	files wu 1
Baby-RSA #rsa #factordb	S4CTF 2021	24.52	Crypto	files wu 1
Special #rsa #special-primes	Securinets 2021 Quals	41.71	Crypto	files wu 1
MultipleExponents #rsa #common-modulus	SunshineCTF 2021	23.34	Crypto	files wu 2
Basic_RSA #rsa #factorization	TAMUctf 2021	–	Crypto	files wu 3
Common_Factor #rsa #common-factor	TMUCTF 2021	–	Crypto	files wu 2
beginners_crypto_2021 #rsa #common-modulus #low-exponent	TSG 2021	–	Crypto	files wu 1
minimalist's_private #rsa #factorization	TSG 2021	–	Crypto	files wu 1
Office_Secrets #rsa #common-modulus-attack	UMDCTF 2021	–	Crypto	files wu 1
alice_bob_dave #rsa #common-prime #gcd	Zh3r0 2021	–	Crypto	files src wu 2
RSASSS #rsa #hastad-broadcast-attack #crt	b01lers 2021	22.99	Crypto	files wu 1
Reasonable_Security_Ahead #rsa #franklin-reiter-related-message #coppersmith	b01lers 2021	22.99	Crypto	files wu 1

Challenges