def createWithSystemkbfile(filename, bag1key, deviceKey=None):
if filename.startswith("bplist"): #HAX
mkb = BPlistReader.plistWithString(filename)
else:
mkb = BPlistReader.plistWithFile(filename)
try:
decryptedPlist = AESdecryptCBC(mkb["_MKBPAYLOAD"].data, bag1key, mkb["_MKBIV"].data, padding=True)
except:
print "FAIL: AESdecryptCBC _MKBPAYLOAD => wrong BAG1 key ?"
return None
if not decryptedPlist.startswith("bplist"):
print "FAIL: decrypted _MKBPAYLOAD is not bplist"
return None
decryptedPlist = BPlistReader.plistWithString(decryptedPlist)
blob = decryptedPlist["KeyBagKeys"].data
kb = Keybag.createWithDataSignBlob(blob, deviceKey)
if decryptedPlist.has_key("OpaqueStuff"):
OpaqueStuff = BPlistReader.plistWithString(decryptedPlist["OpaqueStuff"].data)
kb.passcodeComplexity = OpaqueStuff.get("keyboardType")
return kb
def getSystemkbfileWipeID(filename):
mkb = BPlistReader.plistWithFile(filename)
return mkb["_MKBWIPEID"]