def generichash_blake2b_final(statebuf, digest_size):
"""Finalize the blake2b hash state and return the digest.
:param statebuf:
:type statebuf: object
:param digest_size:
:type digest_size: int
:return: the blake2 digest of the passed-in data stream
:rtype: bytes
"""
_digest = ffi.new("unsigned char[]", crypto_generichash_BYTES_MAX)
rc = lib.crypto_generichash_blake2b_final(statebuf, _digest, digest_size)
ensure(rc == 0, 'Unexpected failure', raising=exc.RuntimeError)
return ffi.buffer(_digest, digest_size)[:]
def generichash_blake2b_final(statebuf, digest_size):
"""Finalize the blake2b hash state and return the digest.
:param statebuf:
:type statebuf: bytes
:param digest_size:
:type digest_size: int
:return: the blake2 digest of the passed-in data stream
:rtype: bytes
"""
_digest = ffi.new("unsigned char[]", crypto_generichash_BYTES_MAX)
rc = lib.crypto_generichash_blake2b_final(statebuf, _digest, digest_size)
ensure(rc == 0, 'Unexpected failure',
raising=exc.RuntimeError)
return ffi.buffer(_digest, digest_size)[:]
def generichash_blake2b_final(state):
"""Finalize the blake2b hash state and return the digest.
:param state: a initialized Blake2bState object as returned from
:py:func:`.crypto_generichash_blake2b_init`
:type state: :py:class:`.Blake2State`
:return: the blake2 digest of the passed-in data stream
:rtype: bytes
"""
ensure(isinstance(state, Blake2State),
'State must be a Blake2State object',
raising=exc.TypeError)
_digest = ffi.new("unsigned char[]", crypto_generichash_BYTES_MAX)
rc = lib.crypto_generichash_blake2b_final(state._statebuf,
_digest, state.digest_size)
ensure(rc == 0, 'Unexpected failure',
raising=exc.RuntimeError)
return ffi.buffer(_digest, state.digest_size)[:]