class RijndaelOutputStream(BlockOutputStream):
def __init__(self, outputStream, key, iv=None):
super(RijndaelOutputStream, self).__init__(outputStream, 16)
if key is None:
raise ValueError, 'key is None'
self._key = Key(Key.ENCRYPT, key)
self._iv = iv or urandom(16)
self._cipher = Cipher(Cipher.CBC, self._iv)
def writeBlocks(self, data):
data = self._cipher.blockEncrypt(self._key, data)
super(RijndaelOutputStream, self).writeBlocks(data)
def writePadded(self, data):
data = self._cipher.padEncrypt(self._key, data)
super(RijndaelOutputStream, self).writePadded(data)
def close(self):
super(RijndaelOutputStream, self).close()
self._key = None
self._cipher = None
def getIV(self):
return self._iv
class RijndaelInputStream(BlockInputStream):
def __init__(self, inputStream, key, iv):
super(RijndaelInputStream, self).__init__(inputStream, 16)
if key is None:
raise ValueError, 'key is None'
if iv is None:
raise ValueError, 'iv is None'
self._key = Key(Key.DECRYPT, key)
self._cipher = Cipher(Cipher.CBC, iv)
def readBlocks(self, len):
data = super(RijndaelInputStream, self).readBlocks(len)
return self._cipher.blockDecrypt(self._key, data)
def readPadded(self, len):
data = super(RijndaelInputStream, self).readPadded(len)
return self._cipher.padDecrypt(self._key, data)
def close(self):
super(RijndaelInputStream, self).close()
self._key = None
self._cipher = None
class RijndaelInputStream(BlockInputStream):
def __init__(self, inputStream, key, iv):
super(RijndaelInputStream, self).__init__(inputStream, 16)
if key is None:
raise ValueError, 'key is None'
if iv is None:
raise ValueError, 'iv is None'
self._key = Key(Key.DECRYPT, key)
self._cipher = Cipher(Cipher.CBC, iv)
def readBlocks(self, len):
data = super(RijndaelInputStream, self).readBlocks(len)
return self._cipher.blockDecrypt(self._key, data)
def readPadded(self, len):
data = super(RijndaelInputStream, self).readPadded(len)
return self._cipher.padDecrypt(self._key, data)
def close(self):
super(RijndaelInputStream, self).close()
self._key = None
self._cipher = None
class RijndaelOutputStream(BlockOutputStream):
def __init__(self, outputStream, key, iv=None):
super(RijndaelOutputStream, self).__init__(outputStream, 16)
if key is None:
raise ValueError, 'key is None'
self._key = Key(Key.ENCRYPT, key)
self._iv = iv or urandom(16)
self._cipher = Cipher(Cipher.CBC, self._iv)
def writeBlocks(self, data):
data = self._cipher.blockEncrypt(self._key, data)
super(RijndaelOutputStream, self).writeBlocks(data)
def writePadded(self, data):
data = self._cipher.padEncrypt(self._key, data)
super(RijndaelOutputStream, self).writePadded(data)
def close(self):
super(RijndaelOutputStream, self).close()
self._key = None
self._cipher = None
def getIV(self):
return self._iv
def __init__(self, outputStream, key, iv=None):
super(RijndaelOutputStream, self).__init__(outputStream, 16)
if key is None:
raise ValueError, 'key is None'
self._key = Key(Key.ENCRYPT, key)
self._iv = iv or urandom(16)
self._cipher = Cipher(Cipher.CBC, self._iv)
def __init__(self, inputStream, key, iv):
super(RijndaelInputStream, self).__init__(inputStream, 16)
if key is None:
raise ValueError, 'key is None'
if iv is None:
raise ValueError, 'iv is None'
self._key = Key(Key.DECRYPT, key)
self._cipher = Cipher(Cipher.CBC, iv)
def __init__(self, outputStream, key, iv=None):
super(RijndaelOutputStream, self).__init__(outputStream, 16)
if key is None:
raise ValueError, 'key is None'
self._key = Key(Key.ENCRYPT, key)
self._iv = iv or urandom(16)
self._cipher = Cipher(Cipher.CBC, self._iv)
def __init__(self, inputStream, key, iv):
super(RijndaelInputStream, self).__init__(inputStream, 16)
if key is None:
raise ValueError, 'key is None'
if iv is None:
raise ValueError, 'iv is None'
self._key = Key(Key.DECRYPT, key)
self._cipher = Cipher(Cipher.CBC, iv)
