mirror of
https://github.com/encounter/Decrypt9.git
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d0k3
77 lines
2.1 KiB
Python
77 lines
2.1 KiB
Python
#!/usr/bin/env python2
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# This script is awful, but it 'works for me'(TM)
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import sys
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import os
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import re
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import binascii
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import struct
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# encTitleKeys.bin format
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#
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# 4 bytes Number of entries
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# 12 bytes Reserved
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#
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# entry(32 bytes in size):
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# 4 bytes Common key index(0-5)
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# 4 bytes Reserved
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# 8 bytes Title Id
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# 16 bytes Encrypted title key
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if len(sys.argv) < 2:
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print 'Usage: dump_ticket_keys.py ticket.db'
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print 'Instead of ticket.db, you can also pass in an individual ticket'
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print 'or many tickets merged together'
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sys.exit(0)
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if not os.path.isfile(sys.argv[1]):
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print "Input file '%s' doesn't exist." % sys.argv[1]
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raise SystemExit(0)
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with open(sys.argv[1], 'rb') as fh:
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ticks = fh.read()
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ticketOffsets = [m.start() for m in re.finditer(b'Root-CA00000003-XS0000000c', ticks)]
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ticks = bytearray(ticks)
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# This check can fail on other DB files, etc (since 'Root-CA'
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# can appear in them, but not necessarily mean there are tickets).
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# Just make sure to only pass in a ticket.db file or individual
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# tickets (or a file with a bunch of individual ones merged).
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if len(ticketOffsets) == 0:
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print 'No tickets found. Did you input the correct file?'
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sys.exit(0)
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encKeys = []
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for offs in ticketOffsets:
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encKey = ticks[offs+0x7F:offs+0x8F]
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tId = ticks[offs+0x9C:offs+0xA4]
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commonKeyIndex = ticks[offs+0xB1]
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if [encKey, tId, commonKeyIndex] in encKeys:
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continue
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if ticks[offs+0x7C] != 0x1: # This value is always 0x1 in a ticket.
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continue
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if commonKeyIndex > 5:
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continue
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# if commonKeyIndex != 0: # Uncomment these two lines to grab just eShop ticket info.
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# continue
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print 'Encrypted title key: ' + binascii.hexlify(encKey)
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print 'Title ID: ' + binascii.hexlify(tId)
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print 'Common key index: %u' % commonKeyIndex
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print ''
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encKeys.append([encKey, tId, commonKeyIndex])
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outData = struct.pack('<IIII', len(encKeys), 0, 0, 0)
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for entry in encKeys:
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outData += struct.pack('<II', entry[2], 0)
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outData += entry[1]
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outData += entry[0]
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open('encTitleKeys.bin', 'wb').write(outData)
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