def setMasterKeyRev(self, newMasterKeyRev):
if not Titles.contains(self.titleId):
raise IOError('No title key found in database! ' + self.titleId)
ticket = self.ticket()
masterKeyRev = ticket.getMasterKeyRevision()
titleKey = ticket.getTitleKeyBlock()
newTitleKey = Keys.changeTitleKeyMasterKey(
titleKey.to_bytes(16, byteorder='big'),
Keys.getMasterKeyIndex(masterKeyRev),
Keys.getMasterKeyIndex(newMasterKeyRev))
rightsId = ticket.getRightsId()
if rightsId != 0:
raise IOError('please remove titlerights first')
if (newMasterKeyRev == None
and rightsId == 0) or masterKeyRev == newMasterKeyRev:
Print.info('Nothing to do')
return
Print.info('rightsId =\t' + hex(rightsId))
Print.info('titleKey =\t' +
str(hx(titleKey.to_bytes(16, byteorder='big'))))
Print.info('newTitleKey =\t' + str(hx(newTitleKey)))
Print.info('masterKeyRev =\t' + hex(masterKeyRev))
for nca in self:
if type(nca) == Nca:
if nca.header.getCryptoType2() != masterKeyRev:
pass
raise IOError('Mismatched masterKeyRevs!')
ticket.setMasterKeyRevision(newMasterKeyRev)
ticket.setRightsId((ticket.getRightsId()
& 0xFFFFFFFFFFFFFFFF0000000000000000) +
newMasterKeyRev)
ticket.setTitleKeyBlock(int.from_bytes(newTitleKey, 'big'))
for nca in self:
if type(nca) == Nca:
if nca.header.getCryptoType2() != newMasterKeyRev:
Print.info('writing masterKeyRev for %s, %d -> %s' %
(str(nca._path), nca.header.getCryptoType2(),
str(newMasterKeyRev)))
encKeyBlock = nca.header.getKeyBlock()
if sum(encKeyBlock) != 0:
key = Keys.keyAreaKey(
Keys.getMasterKeyIndex(masterKeyRev),
nca.header.keyIndex)
Print.info('decrypting with %s (%d, %d)' %
(str(hx(key)),
Keys.getMasterKeyIndex(masterKeyRev),
nca.header.keyIndex))
crypto = aes128.AESECB(key)
decKeyBlock = crypto.decrypt(encKeyBlock)
key = Keys.keyAreaKey(
Keys.getMasterKeyIndex(newMasterKeyRev),
nca.header.keyIndex)
Print.info('encrypting with %s (%d, %d)' %
(str(hx(key)),
Keys.getMasterKeyIndex(newMasterKeyRev),
nca.header.keyIndex))
crypto = aes128.AESECB(key)
reEncKeyBlock = crypto.encrypt(decKeyBlock)
nca.header.setKeyBlock(reEncKeyBlock)
if newMasterKeyRev >= 3:
nca.header.setCryptoType(2)
nca.header.setCryptoType2(newMasterKeyRev)
else:
nca.header.setCryptoType(newMasterKeyRev)
nca.header.setCryptoType2(0)
def verifyKey(self, userkey):
if not self.header.hasTitleRights():
titleKeyDec = Keys.decryptTitleKey(
file.getTitleKeyBlock().to_bytes(16, byteorder='big'),
Keys.getMasterKeyIndex(self.masterKey()))
else:
encKey = userkey
titleKeyDec = Keys.decryptTitleKey(
encKey, Keys.getMasterKeyIndex(self.masterKey()))
'''
print('\nTesting {} with:'.format(self))
print('- Keygeneration {}'.format(self.masterKey()))
print('- Encrypted key {}'.format(str(hx(encKey))[2:-1]))
print('- Decrypted key {}'.format(str(hx(titleKeyDec))[2:-1]))
'''
decKey = titleKeyDec
f = self
if self.header.getRightsId() != 0:
for fs in self:
#print(fs.fsType)
#print(fs.cryptoType)
if fs.fsType == Type.Fs.PFS0 and fs.cryptoType == Type.Crypto.CTR:
f.seek(0)
ncaHeader = NcaHeader()
ncaHeader.open(
MemoryFile(f.read(0x400), Type.Crypto.XTS,
uhx(Keys.get('header_key'))))
pfs0 = fs
sectionHeaderBlock = fs.buffer
#fs.f.setKey(b'\x00' * 16)
#print('- Current key {}'.format(str(hx(fs.f.cryptoKey))[2:-1]))
fs.seek(0)
pfs0Offset = 0 #int.from_bytes(sectionHeaderBlock[0x38:0x40], byteorder='little', signed=False)
pfs0Header = fs.read(0x10)
#Hex.dump(sectionHeaderBlock)
#mem = MemoryFile(pfs0Header, Type.Crypto.CTR, decKey, pfs0.cryptoCounter, offset = pfs0Offset)
data = pfs0Header #mem.read();
#Hex.dump(pfs0Header)
magic = data[0:4]
#print(magic)
if magic != b'PFS0':
return False
else:
return True
if fs.fsType == Type.Fs.ROMFS and fs.cryptoType == Type.Crypto.CTR:
f.seek(0)
ncaHeader = NcaHeader()
ncaHeader.open(
MemoryFile(f.read(0x400), Type.Crypto.XTS,
uhx(Keys.get('header_key'))))
ncaHeader = f.read(0x400)
pfs0 = fs
sectionHeaderBlock = fs.buffer
levelOffset = int.from_bytes(sectionHeaderBlock[0x18:0x20],
byteorder='little',
signed=False)
levelSize = int.from_bytes(sectionHeaderBlock[0x20:0x28],
byteorder='little',
signed=False)
pfs0Offset = levelOffset
f.seek(pfs0Offset + fs.f.offset)
pfs0Header = f.read(levelSize)
#fs.seek(pfs0Offset)
#pfs0Header = fs.read(levelSize)
#print(sectionHeaderBlock[8:12] == b'IVFC')
if sectionHeaderBlock[8:12] == b'IVFC':
#Hex.dump(sectionHeaderBlock)
#Print.info(hx(sectionHeaderBlock[0xc8:0xc8+0x20]).decode('utf-8'))
mem = MemoryFile(pfs0Header,
Type.Crypto.CTR,
decKey,
pfs0.cryptoCounter,
offset=fs.f.offset)
data = mem.read()
#Hex.dump(data, 48)
#print('hash = %s' % str(sha256(data).hexdigest()))
if hx(sectionHeaderBlock[0xc8:0xc8 +
0x20]).decode('utf-8') == str(
sha256(data).hexdigest()):
return True
else:
return False
else:
mem = MemoryFile(pfs0Header,
Type.Crypto.CTR,
decKey,
pfs0.cryptoCounter,
offset=pfs0Offset)
data = mem.read()
#Hex.dump(data)
magic = mem.read()[0:4]
#print(magic)
if magic != b'PFS0':
pass
else:
return True
if fs.fsType == Type.Fs.ROMFS and fs.cryptoType == Type.Crypto.BKTR and str(
f.header.contentType) == 'Content.PROGRAM':
f.seek(0)
ncaHeader = NcaHeader()
ncaHeader.open(
MemoryFile(f.read(0x400), Type.Crypto.XTS,
uhx(Keys.get('header_key'))))
ncaHeader = f.read(0x400)
pfs0 = fs
sectionHeaderBlock = fs.buffer
levelOffset = int.from_bytes(sectionHeaderBlock[0x18:0x20],
byteorder='little',
signed=False)
levelSize = int.from_bytes(sectionHeaderBlock[0x20:0x28],
byteorder='little',
signed=False)
pfs0Offset = fs.offset + levelOffset
f.seek(pfs0Offset)
pfs0Header = f.read(levelSize)
if sectionHeaderBlock[8:12] == b'IVFC':
for i in range(10):
ini = 0x100 + (i * 0x10)
fin = 0x110 + (i * 4)
test = sectionHeaderBlock[ini:fin]
if test == b'BKTR':
return True
return False