# See the License for the specific language governing permissions and
# limitations under the License.
from __future__ import absolute_import, division, print_function
from six import integer_types
from nacl import exceptions as exc
from nacl._sodium import ffi, lib
from nacl.exceptions import ensure
crypto_generichash_BYTES = lib.crypto_generichash_blake2b_bytes()
crypto_generichash_BYTES_MIN = lib.crypto_generichash_blake2b_bytes_min()
crypto_generichash_BYTES_MAX = lib.crypto_generichash_blake2b_bytes_max()
crypto_generichash_KEYBYTES = lib.crypto_generichash_blake2b_keybytes()
crypto_generichash_KEYBYTES_MIN = lib.crypto_generichash_blake2b_keybytes_min()
crypto_generichash_KEYBYTES_MAX = lib.crypto_generichash_blake2b_keybytes_max()
crypto_generichash_SALTBYTES = lib.crypto_generichash_blake2b_saltbytes()
crypto_generichash_PERSONALBYTES = \
lib.crypto_generichash_blake2b_personalbytes()
crypto_generichash_STATEBYTES = lib.crypto_generichash_statebytes()
_OVERLONG = '{0} length greater than {1} bytes'
_TOOBIG = '{0} greater than {1}'
def _checkparams(digest_size, key, salt, person):
"""Check hash paramters"""
ensure(isinstance(key, bytes),
'Key must be a bytes sequence',
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from nacl import exceptions as exc
from nacl._sodium import ffi, lib
from nacl.exceptions import ensure
crypto_generichash_BYTES = lib.crypto_generichash_blake2b_bytes()
crypto_generichash_BYTES_MIN = lib.crypto_generichash_blake2b_bytes_min()
crypto_generichash_BYTES_MAX = lib.crypto_generichash_blake2b_bytes_max()
crypto_generichash_KEYBYTES = lib.crypto_generichash_blake2b_keybytes()
crypto_generichash_KEYBYTES_MIN = lib.crypto_generichash_blake2b_keybytes_min()
crypto_generichash_KEYBYTES_MAX = lib.crypto_generichash_blake2b_keybytes_max()
crypto_generichash_SALTBYTES = lib.crypto_generichash_blake2b_saltbytes()
crypto_generichash_PERSONALBYTES = (
lib.crypto_generichash_blake2b_personalbytes())
crypto_generichash_STATEBYTES = lib.crypto_generichash_statebytes()
_OVERLONG = "{0} length greater than {1} bytes"
_TOOBIG = "{0} greater than {1}"
def _checkparams(digest_size, key, salt, person):
"""Check hash parameters"""
ensure(
isinstance(key, bytes),