/usr/lib/python2.7/dist-packages/nacl/bindings/crypto_hash.py is in python-nacl 1.0.1-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | # 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 __future__ import absolute_import, division, print_function
from nacl._sodium import ffi, lib
# crypto_hash_BYTES = lib.crypto_hash_bytes()
crypto_hash_BYTES = lib.crypto_hash_sha512_bytes()
crypto_hash_sha256_BYTES = lib.crypto_hash_sha256_bytes()
crypto_hash_sha512_BYTES = lib.crypto_hash_sha512_bytes()
def crypto_hash(message):
"""
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))
assert rc == 0
return ffi.buffer(digest, crypto_hash_BYTES)[:]
def crypto_hash_sha256(message):
"""
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))
assert rc == 0
return ffi.buffer(digest, crypto_hash_sha256_BYTES)[:]
def crypto_hash_sha512(message):
"""
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))
assert rc == 0
return ffi.buffer(digest, crypto_hash_sha512_BYTES)[:]
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