# 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 __future__ import absolute_import, division, print_function import nacl.exceptions as exc from nacl._sodium import ffi, lib from nacl.exceptions import ensure has_crypto_shorthash_siphashx24 = bool( lib.PYNACL_HAS_CRYPTO_SHORTHASH_SIPHASHX24) BYTES = lib.crypto_shorthash_siphash24_bytes() KEYBYTES = lib.crypto_shorthash_siphash24_keybytes() XBYTES = 0 XKEYBYTES = 0 if has_crypto_shorthash_siphashx24: XBYTES = lib.crypto_shorthash_siphashx24_bytes() XKEYBYTES = lib.crypto_shorthash_siphashx24_keybytes() def crypto_shorthash_siphash24(data, key): """Compute a fast, cryptographic quality, keyed hash of the input data :param data: :type data: bytes :param key: len(key) must be equal to
# 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 __future__ import absolute_import, division, print_function import nacl.exceptions as exc from nacl._sodium import ffi, lib from nacl.exceptions import ensure BYTES = lib.crypto_shorthash_siphash24_bytes() KEYBYTES = lib.crypto_shorthash_siphash24_keybytes() XBYTES = lib.crypto_shorthash_siphashx24_bytes() XKEYBYTES = lib.crypto_shorthash_siphashx24_keybytes() def crypto_shorthash_siphash24(data, key): """Compute a fast, cryptographic quality, keyed hash of the input data :param data: :type data: bytes :param key: len(key) must be equal to :py:data:`.KEYBYTES` (16) :type key: bytes """ if len(key) != KEYBYTES: raise exc.ValueError("Key length must be exactly {0} bytes".format(