Download intercode_ctf_013/environment/challenge_files/keygenme-trial.py from penfever/intercode-ctf-harbor: direct link, hf CLI and curl.
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- Download file 10.2 kB
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https://huggingface.co/datasets/penfever/intercode-ctf-harbor/resolve/main/intercode_ctf_013/environment/challenge_files/keygenme-trial.py
- Command line
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hf download hf://datasets/penfever/intercode-ctf-harbor/intercode_ctf_013/environment/challenge_files/keygenme-trial.py
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curl -L -o keygenme-trial.py https://huggingface.co/datasets/penfever/intercode-ctf-harbor/resolve/main/intercode_ctf_013/environment/challenge_files/keygenme-trial.py
10.2 kB
| #============================================================================# | |
| #============================ARCANE CALCULATOR===============================# | |
| #============================================================================# | |
| import hashlib | |
| from cryptography.fernet import Fernet | |
| import base64 | |
| # GLOBALS --v | |
| arcane_loop_trial = True | |
| jump_into_full = False | |
| full_version_code = "" | |
| username_trial = "FRASER" | |
| bUsername_trial = b"FRASER" | |
| key_part_static1_trial = "picoCTF{1n_7h3_|<3y_of_" | |
| key_part_dynamic1_trial = "xxxxxxxx" | |
| key_part_static2_trial = "}" | |
| key_full_template_trial = key_part_static1_trial + key_part_dynamic1_trial + key_part_static2_trial | |
| star_db_trial = { | |
| "Alpha Centauri": 4.38, | |
| "Barnard's Star": 5.95, | |
| "Luhman 16": 6.57, | |
| "WISE 0855-0714": 7.17, | |
| "Wolf 359": 7.78, | |
| "Lalande 21185": 8.29, | |
| "UV Ceti": 8.58, | |
| "Sirius": 8.59, | |
| "Ross 154": 9.69, | |
| "Yin Sector CL-Y d127": 9.86, | |
| "Duamta": 9.88, | |
| "Ross 248": 10.37, | |
| "WISE 1506+7027": 10.52, | |
| "Epsilon Eridani": 10.52, | |
| "Lacaille 9352": 10.69, | |
| "Ross 128": 10.94, | |
| "EZ Aquarii": 11.10, | |
| "61 Cygni": 11.37, | |
| "Procyon": 11.41, | |
| "Struve 2398": 11.64, | |
| "Groombridge 34": 11.73, | |
| "Epsilon Indi": 11.80, | |
| "SPF-LF 1": 11.82, | |
| "Tau Ceti": 11.94, | |
| "YZ Ceti": 12.07, | |
| "WISE 0350-5658": 12.09, | |
| "Luyten's Star": 12.39, | |
| "Teegarden's Star": 12.43, | |
| "Kapteyn's Star": 12.76, | |
| "Talta": 12.83, | |
| "Lacaille 8760": 12.88 | |
| } | |
| def intro_trial(): | |
| print("\n===============================================\n\ | |
| Welcome to the Arcane Calculator, " + username_trial + "!\n") | |
| print("This is the trial version of Arcane Calculator.") | |
| print("The full version may be purchased in person near\n\ | |
| the galactic center of the Milky Way galaxy. \n\ | |
| Available while supplies last!\n\ | |
| =====================================================\n\n") | |
| def menu_trial(): | |
| print("___Arcane Calculator___\n\n\ | |
| Menu:\n\ | |
| (a) Estimate Astral Projection Mana Burn\n\ | |
| (b) [LOCKED] Estimate Astral Slingshot Approach Vector\n\ | |
| (c) Enter License Key\n\ | |
| (d) Exit Arcane Calculator") | |
| choice = input("What would you like to do, "+ username_trial +" (a/b/c/d)? ") | |
| if not validate_choice(choice): | |
| print("\n\nInvalid choice!\n\n") | |
| return | |
| if choice == "a": | |
| estimate_burn() | |
| elif choice == "b": | |
| locked_estimate_vector() | |
| elif choice == "c": | |
| enter_license() | |
| elif choice == "d": | |
| global arcane_loop_trial | |
| arcane_loop_trial = False | |
| print("Bye!") | |
| else: | |
| print("That choice is not valid. Please enter a single, valid \ | |
| lowercase letter choice (a/b/c/d).") | |
| def validate_choice(menu_choice): | |
| if menu_choice == "a" or \ | |
| menu_choice == "b" or \ | |
| menu_choice == "c" or \ | |
| menu_choice == "d": | |
| return True | |
| else: | |
| return False | |
| def estimate_burn(): | |
| print("\n\nSOL is detected as your nearest star.") | |
| target_system = input("To which system do you want to travel? ") | |
| if target_system in star_db_trial: | |
| ly = star_db_trial[target_system] | |
| mana_cost_low = ly**2 | |
| mana_cost_high = ly**3 | |
| print("\n"+ target_system +" will cost between "+ str(mana_cost_low) \ | |
| +" and "+ str(mana_cost_high) +" stone(s) to project to\n\n") | |
| else: | |
| # TODO : could add option to list known stars | |
| print("\nStar not found.\n\n") | |
| def locked_estimate_vector(): | |
| print("\n\nYou must buy the full version of this software to use this \ | |
| feature!\n\n") | |
| def enter_license(): | |
| user_key = input("\nEnter your license key: ") | |
| user_key = user_key.strip() | |
| global bUsername_trial | |
| if check_key(user_key, bUsername_trial): | |
| decrypt_full_version(user_key) | |
| else: | |
| print("\nKey is NOT VALID. Check your data entry.\n\n") | |
| def check_key(key, username_trial): | |
| global key_full_template_trial | |
| if len(key) != len(key_full_template_trial): | |
| return False | |
| else: | |
| # Check static base key part --v | |
| i = 0 | |
| for c in key_part_static1_trial: | |
| if key[i] != c: | |
| return False | |
| i += 1 | |
| # TODO : test performance on toolbox container | |
| # Check dynamic part --v | |
| if key[i] != hashlib.sha256(username_trial).hexdigest()[4]: | |
| return False | |
| else: | |
| i += 1 | |
| if key[i] != hashlib.sha256(username_trial).hexdigest()[5]: | |
| return False | |
| else: | |
| i += 1 | |
| if key[i] != hashlib.sha256(username_trial).hexdigest()[3]: | |
| return False | |
| else: | |
| i += 1 | |
| if key[i] != hashlib.sha256(username_trial).hexdigest()[6]: | |
| return False | |
| else: | |
| i += 1 | |
| if key[i] != hashlib.sha256(username_trial).hexdigest()[2]: | |
| return False | |
| else: | |
| i += 1 | |
| if key[i] != hashlib.sha256(username_trial).hexdigest()[7]: | |
| return False | |
| else: | |
| i += 1 | |
| if key[i] != hashlib.sha256(username_trial).hexdigest()[1]: | |
| return False | |
| else: | |
| i += 1 | |
| if key[i] != hashlib.sha256(username_trial).hexdigest()[8]: | |
| return False | |
| return True | |
| def decrypt_full_version(key_str): | |
| key_base64 = base64.b64encode(key_str.encode()) | |
| f = Fernet(key_base64) | |
| try: | |
| with open("keygenme.py", "w") as fout: | |
| global full_version | |
| global full_version_code | |
| full_version_code = f.decrypt(full_version) | |
| fout.write(full_version_code.decode()) | |
| global arcane_loop_trial | |
| arcane_loop_trial = False | |
| global jump_into_full | |
| jump_into_full = True | |
| print("\nFull version written to 'keygenme.py'.\n\n"+ \ | |
| "Exiting trial version...") | |
| except FileExistsError: | |
| sys.stderr.write("Full version of keygenme NOT written to disk, "+ \ | |
| "ERROR: 'keygenme.py' file already exists.\n\n"+ \ | |
| "ADVICE: If this existing file is not valid, "+ \ | |
| "you may try deleting it and entering the "+ \ | |
| "license key again. Good luck") | |
| def ui_flow(): | |
| intro_trial() | |
| while arcane_loop_trial: | |
| menu_trial() | |
| # Encrypted blob of full version | |
| full_version = \ | |
| b""" | |
| gAAAAABgT_nvqFdgzE0SICXvq-e6JoMrQpqxEKXoCsaUgvMCZM4ulMyWVfQ0hUgnEpPeHuqAYmmlpjm2A_LEpzWtUdkEY2-4rL050RgyNH_iDwMQdZcSvPBFdm2rWGesrNbtmnTnufKguVjMKO3ZiAM-zUNStGQ0cKInxOh09MG-rb2zGllNW7Qi26sScACcEVKwGmg52oilK7jY4aIzwImuZzruVi3ntZTXV7FgoLwfq4xH_tjmrv9oBLNtE243Z-bYE5117d8XChg8FncOJzEPVDRCwyQLLWZixOgkz8wTegIFkE4XK-WhspovwBBYQsSDhVuSECScugNyIC_wEwB-MEFg0Niz7scTO7cppqvJYkfkPSjG2C7tEVYlDBR-7ppjoTmh94P2IXGglPTjgyE2AwjXYNf4vm6Klm5UzrqbUHcqnsgXidAauM8YYM-bJxBteSXTrFEizvn-pTk41DxkeuHhKBELPzqb5cFDPOaIUvBRBWUh554CrPqG8cxFevn8w572ZpX8OTxQSeDzPijjNcH0WxWr3LOt1IuNYd1p_GiJWBwarn8yU-T9_WR77bYGYrFwnHOUp5rkXTohtxYv_CErqEiE6suaFk_7A5hER13hPjpX7WawnqEoOEWof2VaBTRDIeG_tueD5obgXH-KNeVvmGb-VvfEKtYH6nP4FI--xj1G86X3I-qS9akX0SYdlrIn_th51JN8-VNeT2F5ZBGT2W5im5K0aGkW4punB1Xm-OTcHa1cOsY883HthseLsXx4aW7tDiC2YMd4R1GjoFp4LNiseHEQsTbN0yOybF3xNjfY-cdf9Qpe1ssO0k4nyRpB4kbZTJ2L3gwDPutoNocAfe26ettfIfB2Ma87FY6Ywq8fezi0TbzdTESrODKhz-9al6dBM0l2Jwu5HtciWs36SfE8vl6lns9Hfri-BXYn_fiFDkpSDtncNwm8OBXlrQEQauaoCxWoxug72fwp9Y6E_FCutLdp5iIHh4ykZuLEi40cFE54SNb4yliqlyUe3lZ_0UaS7haJ32wgV2SL8Fpyf2UqK-0ymB8aqlWpXTrOZCDeIVFA529uRVl2c0JDhiJWD2ZfZLBmrB-u2CCO80VKovEkmRnm-xnNKBv8Gx5FMcbAPOapU0TLbE7PA1lWHw1dQwPe_8CdwuQbFLAKQei3GdzF9HjesGeI_simwQyEHc46lmgRKsCcW1yAatKLqc2BimE6tPVgRRdFpzX5nOnQ3lTJmbFTmNQ3BzrZKecEYIjDdtLOX3xPGR5ffLR365ZVDNfsa4UqVgtr-VvQX5ZiK7-z8HBOXD97123-U_1WTq1RVaH5gCCC8RUj9jKQ_rqXyTFdIL5AUSk_XCGu9oU_1CqKDxYLOlSbQ7MjJgidCyNpKXNurICDyZX3u16A2Qmr4jqUTtZQRV_tWIB2UfpPDsfwSpFOrIg4cq7jI-MXl9-AWyjWqxj29ha1ZyOCietO464jbcoGhLhbd0ocDdcLEs1aF_pXn8XPe17j8Fxobf8rugBK0vfZD9CVbl-wpAYqkjhpr4f5a0WHJ2En-Fm5RS5CLKyte7iX2bIsmStrsLOznNmElo6pQse1KdVubwvF4FGIoKrSbt7ZKdYtghJPmE-q-boJwdaIKmkcB0O_JASNcJ7s1ToyFSSrhIpevkpc6KwM00jG4-5P628uZATjnTuN0JIPOzN3NW0Gu0Nwf-iNfZqmdhmvbou7obiTMpeczG0lGHN74AJ0p98DL8HqIduH3QbcTNJC3u7DGEhrxh9nh5WOhm9jB80eVvBikP8CZTcQhP1nBg21GbLdNGrP1TO8gUOjxbW34wWpazI0D1qdtY48PemrUUIZafN8i1LBho5-Yb8EuxsgpwhGPdyl55sT2-rP2Au_QlFaC5h9QfG7FJLOqZgklmssRjVp0U316P4crI136bVsUNRqeXeNUJugE-zQXdLFwvZ7-zS4ghjz-jkSU8CPH86Lc0OE5eZVVifZh8uDQcJ94wfbJCDIvE-IljfxGrXriffCHvZqVukWPaSxG3XZ6-zWR8GMfkXn6qxT5EM7VQ5izwZabUZmyLxBfeccfsfVglp-6DSgMyyGAU3kcZr1mp0KlKhk7bOF7rr7tZkHX2T1rxluT3e6ek_a4aESqhNlU2If8XaqdSZM1Usbbn2MrUN7aTuOMNmY5A7g0BXfRFsTEY_ZAVss3voQUZy4LE3-qIuD2weWejJfNFerg9xx5Xs1xNGmnlqSW0-Q11eNYzdXzI44ZsDfqr2oXGVuVKjAmDzum8m45vd50SfUJlqk7E7aYotvS5qGpQhKNe7m1gw8_Oj2O2qGxMzxUeprCxt3_sLdsXWn0cOEf2YcVMM-UAjpN4xpzy4gKpflMV1M2r1IIu-pnbUcJQ0xSuV_wWxokt7OsCTYd-CF3zZhpXctCoSTxhl9QY0BAG4VxjCr4PO0G-sX1p491AGi4S_0QtSO1TX3GsHDJvNFse6zugNR-NnsQGwBZo4NEmE0zeOFSmCjMbf6GJeuir2RR4IL3SyzmUEx80afVN54g04DYYO_MZHU151tXrf7cQXty9iCXlNgJtswpGB5D-f7pBalxquA2rjA9Yk3YJ-_JGocUBOsMndR8_TN7CSQIkgocwXSmNhzfLH5rcjfbwe_uuCsApNyHdC8oFOg3EbvqNAKAE84-IJbmZFI_D6LLXIsVYyA5-taOh9qrEWqdgDnt5bxpxHwi_cOfjiSBO6HSFyMcpmxq2sov1YqyAW3ePyEm-7-jDQoT11wTzKZFPoCR5sVriWjeS5B2ZQIaMIQ8UZ_Ymz6l8EJ-UnX07oytzvwqiMHS2m4yp1j3BDhNaPqoZIfvolyvC7HT4ILilByHbRT7pV6qTG87Yn5D3JzTj9A9olDYW41Ck0kriLFKOgTE0N2uJZiq-DvtLek9-bp30pt39ycM25oxhYXICJMzU_-WSYOzpDd0t4gqB0-5NKuJDBRWjZB3jBnSmiLQ4d6ojRA_2IWv23RxKGJ-P5CYgmDKeaB4ub-L0_TRL0ZoPIAAnhv3Y_uMzX9_Kak1cGzkrKzGyYyUPYPoAc-UnSf2_Pv5pRtowLcWO5t20392n6M_PyJ9vPifkgcEZuLXF0xsH44mBEF7ebWg6iVgGgDJpGpSspyApnh_LDNnYv5ry4dPVLag59yq9xkWFt5143KyHYxDOIZtyTfZsgIg9dw0Rh02JPoc44OSEX-8XXDbiX5ED2EaGpWar7foQ9WOBHJZePBG6wR1HILQGbIN6JLBLaNYMPkDv6lhKBqryecZB4joBfVC1Li1VNnqNANPz2UUDGJnnp3_-ZCk1vq1OHib8yAvR5CGPMrUMMtqCFOZ1XaWr3IKhNotaMJ5UvXW0sRuUJGmVr80shgQnUBpDrn6hPLbaUIgGRaHaO_vLsDHcCXDapOoBfAhDbuuGU30syBPVm1c2kKzzc0GmsvNYerdsCe0849p_DcPOwdM7EzxCf63hOcZ020LxTlcGL8-Ij-oZyc6ggXz4JHAVABb5BkHiY-I00ero0tFRSz-q6GqOWW3vsykfBccgKvjHJMgfKiF6YUPX42DdegPTOgBm-5bwBfr9m9SV9cuT-6tOi2r2Wn82hRlXKONZ3P03-BYKKj_0wjGYM6EcciDiJ3HSJmqTx9zjFR0Nu5DUtUbyPqNJvv8pZIdSAarS0tav7UvOHRFvyGFBVhslKFm7g7jxkbaraO_SgxAK3ec_bZiDHLHeCqsD6VgG_B_B3l4pSJHqi5pV5cVAz_YFzPBYVnY8edEY6jeZsu58WP3t7OXfwD9UMZUBcb1aPRrdYECdiFY170i_CtzQjRfLb7EkAUe1HZStoq7n-CpdMPEmc6MNXzYyZd9A== | |
| """ | |
| # Enter main loop | |
| ui_flow() | |
| if jump_into_full: | |
| exec(full_version_code) | |