diff options
Diffstat (limited to '.venv/lib/python3.12/site-packages/nacl/bindings/crypto_hash.py')
-rw-r--r-- | .venv/lib/python3.12/site-packages/nacl/bindings/crypto_hash.py | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/nacl/bindings/crypto_hash.py b/.venv/lib/python3.12/site-packages/nacl/bindings/crypto_hash.py new file mode 100644 index 00000000..2bab3991 --- /dev/null +++ b/.venv/lib/python3.12/site-packages/nacl/bindings/crypto_hash.py @@ -0,0 +1,63 @@ +# 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)[:] |