#rsa CTF challenges
112 CTF challenges using rsa from 58 CTFs (2019–2026), 112 with writeups. Mostly Crypto (95%).
Often combined with
#crt 8 #factordb 7 #hastad-broadcast 6 #factorization 6 #wiener-attack 5 #low-exponent 5 #coppersmith 5 #common-modulus-attack 4 #cube-root 4 #fermat-factorization 4 #small-private-exponent 3 #common-factor 3 #multiprime 3 #franklin-reiter 3 #hastad-broadcast-attack 2
Challenges
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| Challenge | CTF | Weight | Category | Has |
|---|---|---|---|---|
| xorsa | PlaidCTF 2021 | 99.64 | Crypto | files wu 3 |
| RSA-3 | DeconstruCT.F 2021 | 19.69 | Crypto | files wu 3 |
| Really_Secure_Algorithm | DawgCTF 2021 | 23.29 | Crypto | files wu 3 |
| Easy_RSA | BCACTF 2021 | – | Crypto | files wu 3 |
| 4096 | corCTF 2021 | 24.92 | Crypto | files wu 3 |
| Risk_Security_Analyst_Alice_Vs_Eve | darkCON 2021 | 24.06 | Crypto | files wu 3 |
| RSA-1 | DeconstruCT.F 2021 | 19.69 | Crypto | files wu 3 |
| Complicated_Function | TSG 2023 | – | Crypto | files wu 3 |
| Bits | CSAW 2021 Quals | 20.54 | Crypto | files wu 3 |
| BootlessRSA | DaVinciCTF 2021 | 24.50 | Crypto | files wu 3 |
| RSA-2 | DeconstruCT.F 2021 | 19.69 | Crypto | files wu 3 |
| warsamup | zer0pts 2021 | 24.56 | Crypto | files wu 3 |
| close_enough | SEETF 2022 | – | Crypto | files wu 3 |
| anti_fermat | zer0pts 2022 | 35.97 | Crypto | files wu 3 |
| Basic_RSA | TAMUctf 2021 | – | Crypto | files wu 3 |
| The_Obligatory_RSA_Challenge | DawgCTF 2021 | 23.29 | Crypto | files wu 3 |
| eazy-RSA | 0x41414141 2021 | – | Crypto | files wu 3 |
| Unique_Flag | TSG 2023 | – | Crypto | files wu 3 |
| Really_Secure_Apparently | 1337UP 2023 | 24.23 | Crypto | files wu 2 |
| Pianoman | UofTCTF 2024 | 23.90 | Crypto | files wu 2 |
| john_pollard | picoCTF 2019 | – | Crypto | files wu 2 |
| Triplet | Crypto 2021 | 36.00 | Misc | files wu 2 |
| RadioStationApocalypse | TrollCAT 2021 | 21.87 | Crypto | files wu 2 |
| TheMoreTheLess | DaVinciCTF 2021 | 24.50 | Crypto | files wu 2 |
| lost_modulus | SEETF 2022 | – | Crypto | files wu 2 |
| Something_in_Common | BackdoorCTF 2023 | – | Misc | files wu 2 |
| Third_Times_the_Charm | UMassCTF 2024 | 43.10 | Crypto | files wu 2 |
| Slightly_Harder_RSA | BCACTF 2021 | – | Crypto | files wu 2 |
| Snab_Yes_Snab | COMPFEST 2021 | – | Crypto | files wu 2 |
| CorruptAAAAd | PatriotCTF 2022 | 24.52 | Crypto | files wu 2 |
| alice_bob_dave | Zh3r0 2021 | – | Crypto | files src wu 2 |
| hidE | corCTF 2022 | 24.92 | Crypto | files wu 2 |
| MultipleExponents | SunshineCTF 2021 | 23.34 | Crypto | files wu 2 |
| Common_Factor | TMUCTF 2021 | – | Crypto | files wu 2 |
| small_weiner | DaVinciCTF 2022 | 24.50 | Crypto | files wu 2 |
| easy_rsa | pingCTF 2023 | – | Crypto | files wu 2 |
| DesintegratedRSA | DaVinciCTF 2023 | 29.26 | Crypto | files wu 2 |
| rsa-apprentice | TJCTF 2022 | – | Crypto | files wu 2 |
| dyrpto | PlaidCTF 2020 | 93.15 | Crypto | files wu 2 |
| DoRSA | Crypto 2021 | 36.00 | Misc | files wu 1 |