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KeyDive
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add keybox data check

This commit is contained in:
hyugogirubato 2024-10-28 21:30:42 +01:00
parent dcd5b38b3c
commit 2e9bc0d9de
1 changed files with 9 additions and 2 deletions
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11
keydive/keybox.py
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@ -86,8 +86,13 @@ class Keybox:
self.set_device_id(data=device_id) self.set_device_id(data=device_id)
if device_id not in self.keybox: if device_id not in self.keybox:
# https://github.com/wvdumper/dumper/blob/main/Helpers/Keybox.py#L51 # Fetch keybox info for logging, such as flags and other details
self.logger.info('Receive keybox: \n\n%s\n', json.dumps(self.__keybox_info(data), indent=2)) infos = self.__keybox_info(data)
self.logger.info('Receive keybox: \n\n%s\n', json.dumps(infos, indent=2))
# Warn if flags indicate encrypted data, requiring a plain-text device token
if infos['flags'] > 10:
self.logger.warning('Data are encrypted. Device token must be intercepted in plain text')
self.keybox[device_id] = data self.keybox[device_id] = data
except Exception as e: except Exception as e:
@ -104,6 +109,7 @@ class Keybox:
Returns: Returns:
dict: A dictionary containing extracted keybox information. dict: A dictionary containing extracted keybox information.
""" """
# https://github.com/wvdumper/dumper/blob/main/Helpers/Keybox.py#L51
# Extract key components from the keybox data based on defined byte offsets. # Extract key components from the keybox data based on defined byte offsets.
content = { content = {
'device_id': data[0:32], # Unique identifier for the device (32 bytes). 'device_id': data[0:32], # Unique identifier for the device (32 bytes).
@ -113,6 +119,7 @@ class Keybox:
'crc32': bytes2int(data[124:128]), # CRC32 checksum for data integrity verification (4 bytes). 'crc32': bytes2int(data[124:128]), # CRC32 checksum for data integrity verification (4 bytes).
'level_tag': data[128:132].decode('utf-8') or None, # Optional tag indicating keybox level (4 bytes). 'level_tag': data[128:132].decode('utf-8') or None, # Optional tag indicating keybox level (4 bytes).
# TODO: decrypt device_token field
# Key components extracted from the device token (Bytes 48–119). # Key components extracted from the device token (Bytes 48–119).
'flags': bytes2int(data[48:52]), # Flags indicating various settings (4 bytes). 'flags': bytes2int(data[48:52]), # Flags indicating various settings (4 bytes).
'system_id': bytes2int(data[52:56]), # System identifier for the device (4 bytes). 'system_id': bytes2int(data[52:56]), # System identifier for the device (4 bytes).