def read(self, length):
"""
Compute the next piece of XOF output.
.. note::
You cannot use :meth:`update` anymore after the first call to
:meth:`read`.
Args:
length (integer): the amount of bytes this method must return
:return: the next piece of XOF output (of the given length)
:rtype: byte string
"""
self._is_squeezing = True
bfr = create_string_buffer(length)
result = _raw_keccak_lib.keccak_squeeze(self._state.get(),
bfr,
c_size_t(length))
if result:
raise ValueError("Error %d while extracting from SHAKE128"
% result)
return get_raw_buffer(bfr)
def read(self, length):
"""
Compute the next piece of XOF output.
.. note::
You cannot use :meth:`update` anymore after the first call to
:meth:`read`.
Args:
length (integer): the amount of bytes this method must return
:return: the next piece of XOF output (of the given length)
:rtype: byte string
"""
self._is_squeezing = True
bfr = create_string_buffer(length)
result = _raw_keccak_lib.keccak_squeeze(self._state.get(),
bfr,
c_size_t(length))
if result:
raise ValueError("Error %d while extracting from SHAKE256"
% result)
return get_raw_buffer(bfr)
def read(self, length):
"""Return the next ``length`` bytes of **binary** (non-printable)
digest for the message.
You cannot use ``update`` anymore after the first call to ``read``.
:Return: A byte string of `length` bytes.
"""
self._is_squeezing = True
bfr = create_string_buffer(length)
result = _raw_keccak_lib.keccak_squeeze(self._state.get(), bfr, c_size_t(length))
if result:
raise ValueError("Error %d while extracting from SHAKE256" % result)
return get_raw_buffer(bfr)
def read(self, length):
"""Return the next ``length`` bytes of **binary** (non-printable)
digest for the message.
You cannot use ``update`` anymore after the first call to ``read``.
:Return: A byte string of `length` bytes.
"""
self._is_squeezing = True
bfr = create_string_buffer(length)
result = _raw_keccak_lib.keccak_squeeze(self._state.get(), bfr,
c_size_t(length))
if result:
raise ValueError("Error %d while extracting from SHAKE256" %
result)
return get_raw_buffer(bfr)