grp/Wii.py
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fucking IMET bugs, but fixes too!

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This commit is contained in:
icefire 2009-06-12 22:37:17 -07:00
parent 4ae54ed51b
commit 3512fb6535
2 changed files with 21 additions and 26 deletions
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19
U8.py
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@ -41,8 +41,8 @@ class U8():
self.data_offset = recursion
recursion += 1
files = sorted(os.listdir(file))
if(sorted(files) == ["banner.bin", "icon.bin", "sound.bin"]):
files = ["icon.bin", "banner.bin", "sound.bin"]
#if(sorted(files) == ["banner.bin", "icon.bin", "sound.bin"]):
# files = ["icon.bin", "banner.bin", "sound.bin"]
oldsz = len(self.nodes)
if(is_root != 1):
@ -290,14 +290,14 @@ class IMET():
class IMETHeader(Struct):
__endian__ = Struct.BE
def __format__(self):
self.zeroes = Struct.uint8[64]
self.zeroes = Struct.uint8[128]
self.tag = Struct.string(4)
self.unk = Struct.uint64
self.sizes = Struct.uint32[3] #icon, banner, sound
self.flag1 = Struct.uint32
self.names = Struct.string(0x2A << 1, encoding = 'utf_16_be', stripNulls = True)[7]
self.unk2 = Struct.uint32
self.names = Struct.string(84, encoding = "utf-16-be", stripNulls = True)[7]
self.zeroes2 = Struct.uint8[904]
self.crypto = Struct.string(16)
self.hash = Struct.string(16)
def __init__(self, f):
self.f = f
def add(self, iconsz, bannersz, soundsz, name = "", langs = [], fn = ""):
@ -312,6 +312,7 @@ class IMET():
imet.sizes[0] = iconsz
imet.sizes[1] = bannersz
imet.sizes[2] = soundsz
imet.unk2 = 0
for i in range(len(imet.names)):
if(len(langs) > 0 and langs[i] != ""):
imet.names[i] = langs[i]
@ -319,9 +320,11 @@ class IMET():
imet.names[i] = name
for i in imet.zeroes2:
imet.zeroes2[i] = 0x00
imet.crypto = "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
imet.hash = "\x00" * 16
tmp = imet.pack()
imet.crypto = str(hashlib.md5(tmp[0x40:0x600]).digest())
imet.hash = hashlib.md5(tmp[0x40:0x640]).digest() #0x00 or 0x40?
data = imet.pack() + data
if(fn != ""):

28
common.py
View File

@ -17,42 +17,34 @@ class Crypto:
def __init__(self):
self.align = 64
return
def DecryptData(self, key, iv, data):
def DecryptData(self, key, iv, data, align = True):
"""Decrypts some data (aligns to 64 bytes, if needed)."""
if((len(data) % self.align) != 0):
if((len(data) % self.align) != 0 and align):
return AES.new(key, AES.MODE_CBC, iv).decrypt(data + ("\x00" * (self.align - (len(data) % self.align))))
else:
return AES.new(key, AES.MODE_CBC, iv).decrypt(data)
def EncryptData(self, key, iv, data):
def EncryptData(self, key, iv, data, align = True):
"""Encrypts some data (aligns to 64 bytes, if needed)."""
if((len(data) % self.align) != 0):
if((len(data) % self.align) != 0 and align):
return AES.new(key, AES.MODE_CBC, iv).encrypt(data + ("\x00" * (self.align - (len(data) % self.align))))
else:
return AES.new(key, AES.MODE_CBC, iv).encrypt(data)
def DecryptContent(self, titlekey, idx, data):
"""Decrypts a Content."""
iv = struct.pack(">H", idx) + "\x00" * 14
self.DecryptData(titlekey, iv, data)
return self.DecryptData(titlekey, iv, data)
def DecryptTitleKey(self, commonkey, tid, enckey):
"""Decrypts a Content."""
iv = struct.pack(">Q", tid) + "\x00" * 8
self.DecryptData(commonkey, iv, enckey)
return self.DecryptData(commonkey, iv, enckey, False)
def EncryptContent(self, titlekey, idx, data):
"""Encrypts a Content."""
iv = struct.pack(">H", idx) + "\x00" * 14
self.EncryptData(titlekey, iv, data)
def CreateSHAHash(self, data):
if((len(data) % self.align) != 0):
datax = data + ("\x00" * (self.align - (len(data) % align)))
else:
datax = data
return hashlib.sha1(datax).digest()
return self.EncryptData(titlekey, iv, data)
def CreateSHAHash(self, data): #tested WORKING (without padding)
return hashlib.sha1(data).digest()
def CreateSHAHashHex(self, data):
if((len(data) % self.align) != 0):
datax = data + ("\x00" * (self.align - (len(data) % align)))
else:
datax = data
return hashlib.sha1(datax).hexdigest()
return hashlib.sha1(data).hexdigest()
def CreateMD5HashHex(self, data):
return hashlib.md5(data).hexdigest()
def CreateMD5Hash(self, data):