def _calculate_deskey(self, hashdata):
prepad = 2
hash = mssha1.new()
for data in hashdata:
if prepad > 0:
data = ("\000" * prepad) + data
prepad = 0
postpad = 64 - (len(data) % 64)
if postpad < 64:
data = data + ("\000" * postpad)
hash.update(data)
digest = hash.digest()
key = [0] * 8
for i in xrange(0, len(digest)):
key[i % 8] ^= ord(digest[i])
return ''.join(chr(x) for x in key)
def _calculate_deskey(self, hashdata):
prepad = 2
hash = mssha1.new()
for data in hashdata:
if prepad > 0:
data = ("\000" * prepad) + data
prepad = 0
postpad = 64 - (len(data) % 64)
if postpad < 64:
data = data + ("\000" * postpad)
hash.update(data)
digest = hash.digest()
key = [0] * 8
for i in xrange(0, len(digest)):
key[i % 8] ^= ord(digest[i])
return ''.join(chr(x) for x in key)
def _calculate_deskey(self, hashdata):
prepad = 2
hash = mssha1.new()
for data in hashdata:
if prepad > 0:
data = (b"\000" * prepad) + data
prepad = 0
postpad = 64 - (len(data) % 64)
if postpad < 64:
data = data + (b"\000" * postpad)
hash.update(data)
digest = hash.digest()
if not isinstance(digest, bytes):
digest = digest.encode('ascii')
digest = bytearray(digest)
key = bytearray(8)
for i, k in enumerate(digest):
key[i % 8] ^= k
return bytes(key)
def calculate_deskey(self):
hashfiles = ['/meta', '/DRMStorage/DRMSource']
if self.drmlevel == 3:
hashfiles.append('/DRMStorage/DRMBookplate')
prepad = 2
hash = mssha1.new()
for name in hashfiles:
data = self.get_file(name)
if prepad > 0:
data = ("\000" * prepad) + data
prepad = 0
postpad = 64 - (len(data) % 64)
if postpad < 64:
data = data + ("\000" * postpad)
hash.update(data)
digest = hash.digest()
key = [0] * 8
for i in range(0, len(digest)):
key[i % 8] ^= ord(digest[i])
return ''.join(chr(x) for x in key)
def calculate_deskey(self):
hashfiles = ['/meta', '/DRMStorage/DRMSource']
if self.drmlevel == 3:
hashfiles.append('/DRMStorage/DRMBookplate')
prepad = 2
hash = mssha1.new()
for name in hashfiles:
data = self.get_file(name)
if prepad > 0:
data = ("\000" * prepad) + data
prepad = 0
postpad = 64 - (len(data) % 64)
if postpad < 64:
data = data + ("\000" * postpad)
hash.update(data)
digest = hash.digest()
key = [0] * 8
for i in xrange(0, len(digest)):
key[i % 8] ^= ord(digest[i])
return ''.join(chr(x) for x in key)
def calculate_deskey(self):
hashfiles = ['/meta', '/DRMStorage/DRMSource']
if self.drmlevel == 3:
hashfiles.append('/DRMStorage/DRMBookplate')
prepad = 2
hash = mssha1.new()
for name in hashfiles:
data = self.get_file(name)
if prepad > 0:
data = (b"\000" * prepad) + data
prepad = 0
postpad = 64 - (len(data) % 64)
if postpad < 64:
data = data + (b"\000" * postpad)
hash.update(data)
digest = hash.digest()
if not isinstance(digest, bytes):
digest = digest.encode('ascii')
digest = bytearray(digest)
key = bytearray(8)
for i, d in enumerate(digest):
key[i % 8] ^= d
return bytes(key)
def calculate_deskey(self):
hashfiles = ['/meta', '/DRMStorage/DRMSource']
if self.drmlevel == 3:
hashfiles.append('/DRMStorage/DRMBookplate')
prepad = 2
hash = mssha1.new()
for name in hashfiles:
data = self.get_file(name)
if prepad > 0:
data = (b"\000" * prepad) + data
prepad = 0
postpad = 64 - (len(data) % 64)
if postpad < 64:
data = data + (b"\000" * postpad)
hash.update(data)
digest = hash.digest()
if not isinstance(digest, bytes):
digest = digest.encode('ascii')
digest = bytearray(digest)
key = bytearray(8)
for i, d in enumerate(digest):
key[i % 8] ^= d
return bytes(key)
