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@Dimensional
Last active February 25, 2026 05:58
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Converts ndecrypt Key files into JSON
import os
import json
import configparser
import argparse
import binascii
# Taken from WoodDumper
_NitroEncryptionData = "99D5205F5744F5B96E19A4D99E6A5A94D8AEF1EB4175E23A9382D03233EE31D5CC57619A3706A21B793972F555AEF6BE5F1B69FBE59DF1E9CE2CD9A15E3205E6FED3FECFD462040D8BF5ECB72B6079BB1295310D6E3FDA2B8884F0F13D127E254522F1BB24061A0611ADDF288B6481342BEB332999AAF2BD9C14959D9FF7F58C7297A1299DD15FCF664D071ADED34A4B85C9A7A31795053A3D490ABF0A898BA24A8249DD2790F10BE9EB1C6A83764505BA817061173F4BDEAECFAB3957F23A564811AD8A40E1453FFA9B0254CAA693FBEF4DFE6FA3D8879C08BAD5486A8D2DFD6E15F874BDBE528B18228A9EFB7437071B366C4A19BA4262B97991107B676596FE0223E8EE998C773E5C86644D6D7886A54F65E21EB2DF5A0AD07E0814B071ACBDDB831CB9D7A162CDC6637C5269C3E6BF75CE12445D2104FAFBD33C381163D4958541494609F2084311DC1F76C0156D1F3C6370EA87806CC3BD638BC2372137DCEE09232E376A4D7390F75030AC1C92041023914FD207AA683E4F9AC964606AC81421F3D62241124424CFE68A56DD0D534DE1851E8C525A9C1984C20357F16FE300BE58F64CEDD521649C1FBE55033C4ADCFFAAC9DAE05D5EBFE6DEF5D8B1F8FF36B3B9626795DB315F37ED4C70679990B518316C3D9999E442DAD3254213A0AED7706CB155CFC7D746D54361173D4428E93385D5D0A293AA25121FFBC50B46F597765645A6BE87B1946BE8B1FE3399AE1F3E6C39711D09009037E4103E7574FF8C833BB0F1B0F90105474295F1D6AC7E38E69E9574263FB4685018D04330B44C4BE368BFE54DB6958B0AA074253277CFA1F72CD871135AABEAC951E80DEEEFE9937E19A71E433881162CA148E373CC29216CD35DCEA0D9617143A01513B56492CF2A19DCADB7A59F8665F81A9FE7FBF7FDB8136C27DB6FDF351CF78D2C5B9B12AB386406CCDE31E84E751164E3FAEAEB3454C2AD3F34EB932C7D26369D56F35AE1F6B398634A9E3283E49A84607D902E130EEE934B36A285EC1638E8880602BFF0A03AEDD76A9A73E157CFF844B8DC2E2359D1DF9552719961A04BD57F6E78BAA9C530D34086329D320C9C37B7022FBA5498A9C41304C98DBEC8E75D97502E93D622590C27BC2292E0A7200F936F7F4C9FD3B5A62A0B7467497D1026CBD1C58671E78CA09CE95BB21AF601EE8C9E5E83F21ADBE6E5EA845976D27CF68DA5493648C21652BB83A374B9070C3BFF6128E161E9E4EF6E15AA4EBAE85D0596BB3256B0FB72520F0EC84225657689AFF2DE1027F0014B74A79707D5265454091F820A867D30390EB3269B0B57BB360631AFFD79FCD930102B0CB3E19BD77BDC5FEFD2F813454D4775BD46963C7E75F33EB567C59A3BB05B296BDE805BC81505B131B6CE49DDAD84B5AE60DC67313430FE4EBD802FA6BF63392186D9357F1668220554E990268C076C51A43155D70907A83E2E5366C1F8F27BC4F258CFF187C5A2E7278F308758A064622318B9887CFACEC498AEAD17CC4A5BF3E948D556D30DF2C892738CDBD72F56AC81F992694DC632F6E6C08D21E276806111BCDC6C93AF19699BD0BFB9319F0267A351EE8306227B0CAB494240B8D5017DCE5EF7555339C59946D8879FBAF764B4E39AFAA16D90681030CA8A54A79F60C319F56B0D7A5198E6984351B4D635E94FC3DF0F7BD62F5CBD3A156119F14BCBAADC6D64C9D3C61E56EF384C50718675CC0D0D4EE928F6065D701BAAD345CFA839AC95A62EB4E422D474A8375F487A04CCA54C40D828B428080D1C725241F07D47193A534E5884626B93B58A81214E0DDCB43FA2C6FCC92B40DA3804E95E5A866B0C22258568118D7C921D95554DAB8EBBDAA6E6B751B6325A0541DD052A0A5650911747CCC9E67EB5614ADB736751C833F5DA6E742E54C3370D6DAF08E8158A5FE25921CDA8DE0C065A776B5FDB18653EC850DE78E0B882B35D4E7232074FC13423BA96B7674EA4281E3462EB2D6A70E92F42C4704E5A319CF95B4728AADA716F381FB378C4926B1C9EF6359AB74D0EBFCC1829410348355D55D02BC629AF5C6074698E5E9B7CD4BD7B44647D3F925D69B61F004BD48335CF7E644E17AE8DD52E9A28124E2E2B49085CAEC64685AE41611E6F82D25137161F0BF659A49ACA5AAF0DD4338B2063F184805CCBCF08B4B9D31605BD6283319B5651989FBAB25BAAB2226B2CB5D448FA632B5F58FA61FA6409BB38E0B89D9260A80D676F0E37F50D019FC277D4FEECF1733039E07DF56198E42C2855045655DB2F6BECE55806B664806A2A1A4E5B0FD8C40A2E5219D962F53048BE8C7B4F389BA2C3AFC9D3C7C1624186B96121576F994FC1BACE7BB53B4D5E8A8B44575F135F706D5B2947DC38E2EC045565122AE81743E18EDD2AB3E294F7096E5CE6EB8AF86D89495448F52FADBFEA944BCAFC3987825F8A01F275F2E671D6D842DEF12D1D28A6887EA3A0471D30D9A371DF491CCB01F836B1F2F022585D456BBDA0BBB28842C78C28CE93E8906308907C893CF57DB7042D4F555116FD7E79E8BEC1F212D4F8B4840523A0CCD22BFDE1ABAD0DD1556C2341944D77374F05280CBF17B312676C8CC35AF741842A6DD09412272CB4ED9C4DEC478297D567B91B9DC055077EE58EE2A8E73E12E40E3A2A455534A2F92D5A1BAB527C83105F55D2F15A432BC6A7A4891595E8B44B9DF875E39F60785BD6E60D44E62106BD472253A400AD8D43138539F7AAFC38AF7BEDFCE42B5450984CFC8580F7DF3C8022E194DADE24C6B07A3938DC0FA1A7F4F96F6318578B84412A2ED453F2D9000FD0DD996E19A60AD0EC5B5824ABC0CB0665EC1A1338940A67032F3FF7E377447733C61439D0E3C0A20879BB409957410B0190CDE1CC4867DBB3AF8874F34C828F72B1B52329C4126C19FC8E46A49CC4256587D36DBE8A93110338ED832BF346A493EA3B53851DCED4F1088327EDFC9B1A18BCF98BAEDC24AB5038E9724B1022177B465DAB5964F340AEF8BBE5C8F926034E557DEBEBFEF739E6E00A11BE2E28FF98EDC0C9425642C3FD00F6AF87A25B013F329247959A72A5323DAE6BD09B07D24992E3784AFAA1067DF241CF77740414B20C86846416D5BB51A1E56FF1D1F2E2F75F58204DB857C7CFDDC5D8BE763DF65F7EE72A8B88241B383F0E412377F5F04BD40C1FFAA40B805FCF45F6E0DA2F345953FB203C52625E35B562FE8B6063E3865A151A6ED14745BC32B4EB6738ABE46E333AB5EDA3AD67E04E4195EE626271261D31EF6230AFD782ACC2DC0504F59707BF11592307C06402E897E53EAF18AC59A68B4A33901C6E7C9C207E4C3C3E6164BBC56B7C7E3E9FC54C9FEA73F5D789C04CF4FBF42DEC141B51D5C112C810DF0B4A8B9CBC93456A3E3E7DC1A9BACDC1B407E4E1688643B26D38F3FB0C5C663771DE56EF6EA0104065A798F7D0BE0EC83736EC10CA7C9CAB841E051776021C4F52AA5FC1C6A056B9D80484444DA759D8DE60E6380E058F03E13B6D8104336F300BCE69052133FB26BB897DB6AE877E5107E0ACF7960A6BF9C45C1DE44447B85EFAE3788455424B485EF77D4735861D2B430503EC8AB81E063C760C481A43A7B78AED1E13C643EE10EFDBECFB3C83B29544EFD854514E2D11441DFB36591E7A34C1C3CA570061EA67A5169B55D055E17FD936D24076AEDC01CEB07A83D5CB2098EC6BC1729234F3825737628A32360C9043AEAE5C9B788E136502FD6871C1FEB031A02482B0C3B17969A7F5D2EBD082C032DC9EC7263C6D8D98C1BB22D4D00F33EC3EB9CCE1DC6A4C7736141CF9BF819F285F71853229907548C4B34ACED8448F142FFD4057EFAA0875D946D1D66E32551FC318FE841FFC84D5FF715E1B48C386950E280827D33883717B4C8063549A56B0ACCF80CA3109EFFEF3BEAF247EA6FE533FC28D4A3368D122A666AD7BEADEB643B0A1259500A33F7546141144ECD795BC92F04FA916536297602A0F41F17124BEEE947F08CD6093B3855B07003FD80F28839AD1699FD1DA2EC39001A2B96B4E2A669DDAAEA6EA2AD3682F0C0C9CD28C4AEDE29E57659D0987A3B4C4325DC9D4322BB1E0711E644DE69071E31E40ED7DF3840EEDC87876AEC0712772BB05EA0264FBF3486BB542933FED9F1353D2F7FE2AEC1D4725DB3C9186C68EF011FD237436F7A4F59E7A7E535044D447CAD3EB386DE6D971947F4AC6694B11F452EA22FE8AB036678B59E8E6802AEB650413EEECDC9E5FB1EC056A59E69F5E596B89BFF71ACA44F95B6A718503E42962E0706F41C4CFB2B1CCE37EA607A887E77F8493DB524B6CEC7EDDD4244810699F046074E64818F3E42CB94F2E507ADFD454692B8BA7F3CEFF1FF33E26013917958489B0F04C4B82919FC44BAC9DA574AF1725C9CA32D3BC898A8489CC0DAE7CA2DB9C6A7891EEEA765D4E8760F5691567D402CFAF483607EABF6F662D068FC49AFEF9F6908775B8F7AD0F76105A3D59B02EB3C7352CCC70562BCBE33796C52F461B8A2246C788A726329861DF86228AF41C2F87A109AACCA9AED3BD00451C9A5487865287EFFF1E8FA18FC1895C351BDA2D3A2C16B2C2F156E278C16B6397C5568FC9327F2CAAAFA6A8AC20912288DEE4608BF94B42251AE37F9C2C19893A7E05D436CC6958C2C1328B2F9085EB7A3950A5A12792C566B0204F587E5583432B45E29CE4D812902C168356167903B3AD2D61181A131F37E2E19C737B80D5FD2D5187FC7BAAD71F2C7A8EAFF48DBBCD95117C720BEE6FE2B9AFDE3783DE8C8D620567B796C68D56B60DD762BAD64636BD8EC8E6EA2A6C1014FF6B5BFA823C46B1304346518A7D9B923E83795B555DB26C5ECE90628E5398C90D6DE52D57CDC58157BAE1E8B88F72E54F13DCEA9D711510B21188D509D47F5B657F2C3B384C1168508DFB9EB059BF9480894AC51A18128953D14A1029E88C1CECB6EA46C7178B251531A8A26B43B19DE2DB0B879BB011040E71D2297789820A66417F1D0B48FF72BB24FDC248A19BFE7B7FCE88DB86D9853B1CB0DCA83307BF512EE30E9A00971E06C097439DD8B645C486675F00F8889AA4529EC7AA8A8375ECC518AECEC32F1A2BF918FFAE1AF5530BB53351A7FDE8A8E1A264B622174380CC0AD8AE3BBA40D7D9924A89DF0410EE9B182B6A77698A68F4F9B9A221156EE61E3B0362309B60417E259B9E8FC5521008F8C269A1211188375E793566FF1042186EED97B66B1C4E36E56D7DB4E4BF20B9E0053A69D5B8E3D5DCE0B9AC533E07A457AD77FF4818762AAC492A8E47756D9F676330358C390539D56F643A5BADCA0BBB82529945B193363699AF13204436D8024409399285FF4A4A9787A663D7C7B5B524ED0FB46F0C585214D9A67BD379BC3858A1BD3B8406D81A06FD6BA8EA4B69280437AD8299FB0E1B85BDA85D73CDDC58750ABE636C48E74CE4302B0460B915D8DA8681758F96D48D1C5D70857C1C677BD50867A6CE4B0A6670B7E563D45B8A82EA1067CAE2F4EF17852F2A5F8A9782F86AD63410EAEBC95C3CE149F846EBDEBDF6A992F1AAA6A018B03AD30F1FF36FFF31454344D3509AF7880996C1CE76CCF22C2CBAAD82778F1884C0D2079C3690834E0BA54F433E04AB784FD6FB09012490DA6F3C3A610D7F694AEB2B3002B4DBE084A9ECD735BF377D8558CEA94EE480C7A8D3306748EB29AF2F746AB4A73F0F3F92AFF3CAACAF4BD994C043CA810D2F48A1B027D5D2EF4B0585A3DE4D93303CF0BB4A8F30274CEBE33E64ED9A2F3BF182F0BAF4CF7F40CBB0E17FBCAA57D3C974F2FA430D22D0F4774E93D785701F99BFB6DE35F130A75E71F06B012D7B64F033530A3988F36B3AA66B35D22F43CD02FDB5E9BC5BAAD8A4197E0E5D94819E6F77ADD60E749396E7C4185FADF519" # NDS Blowfish Table
# _NitroEncryptionData = None # NDS Blowfish Table
def read_ini_file(file_path):
with open(file_path, 'r') as f:
content = f.read()
# Add a dummy section header if none exists
if not content.startswith('['):
content = '[DEFAULT]\n' + content
config = configparser.ConfigParser()
config.read_string(content) # Use read_string to parse the modified content
# Initialize the output structure with null values
data = {
"NitroEncryptionData": _NitroEncryptionData, # NDS Blowfish Key
"AESHardwareConstant": None,
"KeyX0x18": None,
"KeyX0x1B": None,
"KeyX0x25": None,
"KeyX0x2C": None,
"DevKeyX0x18": None,
"DevKeyX0x1B": None,
"DevKeyX0x25": None,
"DevKeyX0x2C": None
}
# Define the specific keys to process from the INI file
ini_keys_mapping = {
"generator": "AESHardwareConstant",
"slot0x18keyx": "KeyX0x18",
"slot0x1bkeyx": "KeyX0x1B",
"slot0x25keyx": "KeyX0x25",
"slot0x2ckeyx": "KeyX0x2C"
}
# Populate the structure with values from the INI file
for section in config.sections() or ["DEFAULT"]: # Process sections or DEFAULT
for key, value in config.items(section):
normalized_key = key.replace(" ", "").lower() # Normalize key to lowercase
normalized_value = value.upper() # Normalize the value to uppercase
# Match normalized keys to the expected JSON structure
if normalized_key in ini_keys_mapping:
mapped_key = ini_keys_mapping[normalized_key]
data[mapped_key] = normalized_value
return data
def read_binary_file(file_path):
keys = [
"AESHardwareConstant",
"KeyX0x18",
"KeyX0x1B",
"KeyX0x25",
"KeyX0x2C",
"DevKeyX0x18",
"DevKeyX0x1B",
"DevKeyX0x25",
"DevKeyX0x2C"
]
data = {"NitroEncryptionData": _NitroEncryptionData} # NDS Blowfish Key
with open(file_path, 'rb') as f:
for i, key in enumerate(keys):
line = f.read(16) # Read 16 bytes for each key
if not line: # Stop if no more data
break
if all(b == 0 for b in line): # Check if the line is all 00
data[key] = None
else:
# Use binascii.hexlify for compatibility with older Python versions
line = line[::-1] # Reverse the byte order
data[key] = binascii.hexlify(line).decode('utf-8').upper()
return data
def compare_json(existing_data, new_data):
"""Compare existing JSON data with new data."""
return existing_data == new_data
def convert_to_json(file_path, output_path, force_overwrite=False):
if not os.path.exists(file_path):
raise FileNotFoundError(f"The file {file_path} does not exist.")
_, ext = os.path.splitext(file_path)
if ext == '.txt': # Assuming .txt files are INI files
data = read_ini_file(file_path)
elif ext == '.bin': # Assuming other extensions are binary files
data = read_binary_file(file_path)
else:
raise ValueError("Unsupported file type. Use .txt for INI files or .bin for binary files.")
if os.path.exists(output_path):
with open(output_path, 'r') as json_file:
existing_data = json.load(json_file)
if compare_json(existing_data, data):
print("The input data matches the existing JSON file. No changes made.")
return
elif not force_overwrite:
print("The input data differs from the existing JSON file. Use --force to overwrite.")
return
with open(output_path, 'w') as json_file:
json.dump(data, json_file, indent=4)
print(f"Data has been converted to JSON and saved to {output_path}")
def main():
parser = argparse.ArgumentParser(description="Convert INI or binary files to JSON.")
parser.add_argument("file", help="Path to the input file (.txt for INI, others for binary).")
parser.add_argument("--force", action="store_true", help="Force overwrite of the existing JSON file.")
args = parser.parse_args()
output_path = "config.json"
convert_to_json(args.file, output_path, args.force)
if __name__ == "__main__":
main()
@mnadareski
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The script worked with keys.bin correctly. The script only pulled the generator value when using aes_keys.txt. Take a quick look at the README and you'll see the names of the keys. The table is a lot easier to read now, so hopefully that helps. slot0x18KeyX is an example. The INI file also does not have any sections defined, it's just a list of key=value.

@Dimensional
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Not certain what is happening, but I'm not running into that issue. I've tested the script and it's reading aes_keys.txt fine, using the example structure I have below. Also the reason I have a section header set up in the script is because ConfigParser requres one when reading INI data, so a dummy is made to make the INI reader work.

generator=
KeyX0x18=
KeyX0x1B=
KeyX0x25=
KeyX0x2C=
DevKeyX0x18=
DevKeyX0x1B=
DevKeyX0x25=
DevKeyX0x2C=

@Dimensional
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Now I know why. I don't have them as Slot0x. I'll get that rectified.

@mnadareski
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It's working as of revision 4. Thank you!

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