Python crypto_generichash_blake2b_personalbytes Examples

Example #1

File: crypto_generichash.py Project: maqp/pynacl

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',
           raising=exc.TypeError)

    ensure(isinstance(salt, bytes),
           'Salt must be a bytes sequence',
           raising=exc.TypeError)

Example #2

File: crypto_generichash.py Project: jwobith/pynacl

# 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),
        "Key must be a bytes sequence",
        raising=exc.TypeError,
    )

    ensure(