Gecko [ v99win.today ]

Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
__init__.py	16.6 KB	-rw-r--r--
crypto_aead.py	15.23 KB	-rw-r--r--
crypto_box.py	9.9 KB	-rw-r--r--
crypto_core.py	13.41 KB	-rw-r--r--
crypto_generichash.py	8.64 KB	-rw-r--r--
crypto_hash.py	2.12 KB	-rw-r--r--
crypto_kx.py	6.57 KB	-rw-r--r--
crypto_pwhash.py	18.41 KB	-rw-r--r--
crypto_scalarmult.py	8.05 KB	-rw-r--r--
crypto_secretbox.py	2.85 KB	-rw-r--r--
crypto_secretstream.py	10.9 KB	-rw-r--r--
crypto_shorthash.py	2.54 KB	-rw-r--r--
crypto_sign.py	10.1 KB	-rw-r--r--
randombytes.py	1.53 KB	-rw-r--r--
sodium_core.py	1.01 KB	-rw-r--r--
utils.py	4.2 KB	-rw-r--r--

Code Editor : crypto_hash.py

# Copyright 2013 Donald Stufft and individual contributors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# 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_hash_BYTES = lib.crypto_hash_bytes()
crypto_hash_BYTES: int = lib.crypto_hash_sha512_bytes()
crypto_hash_sha256_BYTES: int = lib.crypto_hash_sha256_bytes()
crypto_hash_sha512_BYTES: int = lib.crypto_hash_sha512_bytes()

def crypto_hash(message: bytes) -> bytes:
    """
    Hashes and returns the message ``message``.

:param message: bytes
    :rtype: bytes
    """
    digest = ffi.new("unsigned char[]", crypto_hash_BYTES)
    rc = lib.crypto_hash(digest, message, len(message))
    ensure(rc == 0, "Unexpected library error", raising=exc.RuntimeError)
    return ffi.buffer(digest, crypto_hash_BYTES)[:]

def crypto_hash_sha256(message: bytes) -> bytes:
    """
    Hashes and returns the message ``message``.

:param message: bytes
    :rtype: bytes
    """
    digest = ffi.new("unsigned char[]", crypto_hash_sha256_BYTES)
    rc = lib.crypto_hash_sha256(digest, message, len(message))
    ensure(rc == 0, "Unexpected library error", raising=exc.RuntimeError)
    return ffi.buffer(digest, crypto_hash_sha256_BYTES)[:]

def crypto_hash_sha512(message: bytes) -> bytes:
    """
    Hashes and returns the message ``message``.

:param message: bytes
    :rtype: bytes
    """
    digest = ffi.new("unsigned char[]", crypto_hash_sha512_BYTES)
    rc = lib.crypto_hash_sha512(digest, message, len(message))
    ensure(rc == 0, "Unexpected library error", raising=exc.RuntimeError)
    return ffi.buffer(digest, crypto_hash_sha512_BYTES)[:]

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Code Editor : crypto_hash.py