Source code for nacl.utils
from __future__ import absolute_import
from __future__ import division
from . import nacl
from . import six
[docs]class EncryptedMessage(six.binary_type):
"""
A bytes subclass that holds a messaged that has been encrypted by a
:class:`SecretBox`.
"""
@classmethod
def _from_parts(cls, nonce, ciphertext, combined):
obj = cls(combined)
obj._nonce = nonce
obj._ciphertext = ciphertext
return obj
@property
[docs] def nonce(self):
"""
The nonce used during the encryption of the :class:`EncryptedMessage`.
"""
return self._nonce
@property
[docs] def ciphertext(self):
"""
The ciphertext contained within the :class:`EncryptedMessage`.
"""
return self._ciphertext
def random(size=32):
data = nacl.ffi.new("unsigned char[]", size)
nacl.lib.randombytes(data, size)
return nacl.ffi.buffer(data, size)[:]