FM / Hash

/opt/imunify360/venv/lib/python3.11/site-packages/Crypto/Hash/

/opt/imunify360/venv/lib/python3.11/site-packages/Crypto/Hash

Name	Size	Mode	Actions
__pycache__/	-	0755	rm
BLAKE2b.py	9423	0644	edit dl rm
BLAKE2b.pyi	906	0644	edit dl rm
BLAKE2s.py	9429	0644	edit dl rm
BLAKE2s.pyi	739	0644	edit dl rm
CMAC.py	10351	0644	edit dl rm
CMAC.pyi	822	0644	edit dl rm
cSHAKE128.py	6317	0644	edit dl rm
cSHAKE128.pyi	499	0644	edit dl rm
cSHAKE256.py	2202	0644	edit dl rm
cSHAKE256.pyi	231	0644	edit dl rm
HMAC.py	7024	0644	edit dl rm
HMAC.pyi	624	0644	edit dl rm
KangarooTwelve.py	9029	0644	edit dl rm
KangarooTwelve.pyi	572	0644	edit dl rm
keccak.py	7543	0644	edit dl rm
keccak.pyi	741	0644	edit dl rm
KMAC128.py	5949	0644	edit dl rm
KMAC128.pyi	903	0644	edit dl rm
KMAC256.py	2906	0644	edit dl rm
KMAC256.pyi	226	0644	edit dl rm
MD2.py	6111	0644	edit dl rm
MD2.pyi	492	0644	edit dl rm
MD4.py	6582	0644	edit dl rm
MD4.pyi	532	0644	edit dl rm
MD5.py	6618	0644	edit dl rm
MD5.pyi	492	0644	edit dl rm
Poly1305.py	8074	0644	edit dl rm
Poly1305.pyi	665	0644	edit dl rm
RIPEMD.py	1199	0644	edit dl rm
RIPEMD.pyi	94	0644	edit dl rm
RIPEMD160.py	6398	0644	edit dl rm
RIPEMD160.pyi	516	0644	edit dl rm
SHA.py	1148	0644	edit dl rm
SHA.pyi	161	0644	edit dl rm
SHA1.py	6690	0644	edit dl rm
SHA1.pyi	536	0644	edit dl rm
SHA3_224.py	6179	0644	edit dl rm
SHA3_224.pyi	605	0644	edit dl rm
SHA3_256.py	6179	0644	edit dl rm
SHA3_256.pyi	605	0644	edit dl rm
SHA3_384.py	6274	0644	edit dl rm
SHA3_384.pyi	605	0644	edit dl rm
SHA3_512.py	6131	0644	edit dl rm
SHA3_512.pyi	605	0644	edit dl rm
SHA224.py	6901	0644	edit dl rm
SHA224.pyi	544	0644	edit dl rm
SHA256.py	6897	0644	edit dl rm
SHA256.pyi	612	0644	edit dl rm
SHA384.py	6899	0644	edit dl rm
SHA384.pyi	544	0644	edit dl rm
SHA512.py	7720	0644	edit dl rm
SHA512.pyi	622	0644	edit dl rm
SHAKE128.py	4761	0644	edit dl rm
SHAKE128.pyi	437	0644	edit dl rm
SHAKE256.py	4762	0644	edit dl rm
SHAKE256.pyi	437	0644	edit dl rm
TupleHash128.py	4720	0644	edit dl rm
TupleHash128.pyi	652	0644	edit dl rm
TupleHash256.py	2910	0644	edit dl rm
TupleHash256.pyi	144	0644	edit dl rm
_BLAKE2b.abi3.so	16128	0755	edit dl rm
_BLAKE2s.abi3.so	16128	0755	edit dl rm
_ghash_clmul.abi3.so	15952	0755	edit dl rm
_ghash_portable.abi3.so	15856	0755	edit dl rm
_keccak.abi3.so	20512	0755	edit dl rm
_MD2.abi3.so	16176	0755	edit dl rm
_MD4.abi3.so	16216	0755	edit dl rm
_MD5.abi3.so	16328	0755	edit dl rm
_poly1305.abi3.so	16320	0755	edit dl rm
_RIPEMD160.abi3.so	20240	0755	edit dl rm
_SHA1.abi3.so	20424	0755	edit dl rm
_SHA224.abi3.so	24544	0755	edit dl rm
_SHA256.abi3.so	24544	0755	edit dl rm
_SHA384.abi3.so	28648	0755	edit dl rm
_SHA512.abi3.so	28680	0755	edit dl rm
__init__.py	1239	0644	edit dl rm
__init__.pyi	0	0644	edit dl rm

Edit: /opt/imunify360/venv/lib/python3.11/site-packages/Crypto/Hash/BLAKE2b.py (9423B)

# ===================================================================
#
# Copyright (c) 2014, Legrandin <helderijs@gmail.com>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in
#    the documentation and/or other materials provided with the
#    distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
# ===================================================================

from binascii import unhexlify

from Crypto.Util.py3compat import bord, tobytes

from Crypto.Random import get_random_bytes
from Crypto.Util._raw_api import (load_pycryptodome_raw_lib,
                                  VoidPointer, SmartPointer,
                                  create_string_buffer,
                                  get_raw_buffer, c_size_t,
                                  c_uint8_ptr)

_raw_blake2b_lib = load_pycryptodome_raw_lib("Crypto.Hash._BLAKE2b",
                        """
                        int blake2b_init(void **state,
                                         const uint8_t *key,
                                         size_t key_size,
                                         size_t digest_size);
                        int blake2b_destroy(void *state);
                        int blake2b_update(void *state,
                                           const uint8_t *buf,
                                           size_t len);
                        int blake2b_digest(const void *state,
                                           uint8_t digest[64]);
                        int blake2b_copy(const void *src, void *dst);
                        """)

class BLAKE2b_Hash(object):
    """A BLAKE2b hash object.
    Do not instantiate directly. Use the :func:`new` function.

:ivar oid: ASN.1 Object ID
    :vartype oid: string

:ivar block_size: the size in bytes of the internal message block,
                      input to the compression function
    :vartype block_size: integer

:ivar digest_size: the size in bytes of the resulting hash
    :vartype digest_size: integer
    """

# The internal block size of the hash algorithm in bytes.
    block_size = 64

def __init__(self, data, key, digest_bytes, update_after_digest):

# The size of the resulting hash in bytes.
        self.digest_size = digest_bytes

self._update_after_digest = update_after_digest
        self._digest_done = False

# See https://tools.ietf.org/html/rfc7693
        if digest_bytes in (20, 32, 48, 64) and not key:
            self.oid = "1.3.6.1.4.1.1722.12.2.1." + str(digest_bytes)

state = VoidPointer()
        result = _raw_blake2b_lib.blake2b_init(state.address_of(),
                                               c_uint8_ptr(key),
                                               c_size_t(len(key)),
                                               c_size_t(digest_bytes)
                                               )
        if result:
            raise ValueError("Error %d while instantiating BLAKE2b" % result)
        self._state = SmartPointer(state.get(),
                                   _raw_blake2b_lib.blake2b_destroy)
        if data:
            self.update(data)

def update(self, data):
        """Continue hashing of a message by consuming the next chunk of data.

Args:
            data (bytes/bytearray/memoryview): The next chunk of the message being hashed.
        """

if self._digest_done and not self._update_after_digest:
            raise TypeError("You can only call 'digest' or 'hexdigest' on this object")

result = _raw_blake2b_lib.blake2b_update(self._state.get(),
                                                 c_uint8_ptr(data),
                                                 c_size_t(len(data)))
        if result:
            raise ValueError("Error %d while hashing BLAKE2b data" % result)
        return self

def digest(self):
        """Return the **binary** (non-printable) digest of the message that has been hashed so far.

:return: The hash digest, computed over the data processed so far.
                 Binary form.
        :rtype: byte string
        """

bfr = create_string_buffer(64)
        result = _raw_blake2b_lib.blake2b_digest(self._state.get(),
                                                 bfr)
        if result:
            raise ValueError("Error %d while creating BLAKE2b digest" % result)

self._digest_done = True

return get_raw_buffer(bfr)[:self.digest_size]

def hexdigest(self):
        """Return the **printable** digest of the message that has been hashed so far.

:return: The hash digest, computed over the data processed so far.
                 Hexadecimal encoded.
        :rtype: string
        """

return "".join(["%02x" % bord(x) for x in tuple(self.digest())])

def verify(self, mac_tag):
        """Verify that a given **binary** MAC (computed by another party)
        is valid.

Args:
          mac_tag (bytes/bytearray/memoryview): the expected MAC of the message.

Raises:
            ValueError: if the MAC does not match. It means that the message
                has been tampered with or that the MAC key is incorrect.
        """

secret = get_random_bytes(16)

mac1 = new(digest_bits=160, key=secret, data=mac_tag)
        mac2 = new(digest_bits=160, key=secret, data=self.digest())

if mac1.digest() != mac2.digest():
            raise ValueError("MAC check failed")

def hexverify(self, hex_mac_tag):
        """Verify that a given **printable** MAC (computed by another party)
        is valid.

Args:
            hex_mac_tag (string): the expected MAC of the message, as a hexadecimal string.

Raises:
            ValueError: if the MAC does not match. It means that the message
                has been tampered with or that the MAC key is incorrect.
        """

self.verify(unhexlify(tobytes(hex_mac_tag)))

def new(self, **kwargs):
        """Return a new instance of a BLAKE2b hash object.
        See :func:`new`.
        """

if "digest_bytes" not in kwargs and "digest_bits" not in kwargs:
            kwargs["digest_bytes"] = self.digest_size

return new(**kwargs)

def new(**kwargs):
    """Create a new hash object.

Args:
        data (bytes/bytearray/memoryview):
            Optional. The very first chunk of the message to hash.
            It is equivalent to an early call to :meth:`BLAKE2b_Hash.update`.
        digest_bytes (integer):
            Optional. The size of the digest, in bytes (1 to 64). Default is 64.
        digest_bits (integer):
            Optional and alternative to ``digest_bytes``.
            The size of the digest, in bits (8 to 512, in steps of 8).
            Default is 512.
        key (bytes/bytearray/memoryview):
            Optional. The key to use to compute the MAC (1 to 64 bytes).
            If not specified, no key will be used.
        update_after_digest (boolean):
            Optional. By default, a hash object cannot be updated anymore after
            the digest is computed. When this flag is ``True``, such check
            is no longer enforced.

Returns:
        A :class:`BLAKE2b_Hash` hash object
    """

data = kwargs.pop("data", None)
    update_after_digest = kwargs.pop("update_after_digest", False)

digest_bytes = kwargs.pop("digest_bytes", None)
    digest_bits = kwargs.pop("digest_bits", None)
    if None not in (digest_bytes, digest_bits):
        raise TypeError("Only one digest parameter must be provided")
    if (None, None) == (digest_bytes, digest_bits):
        digest_bytes = 64
    if digest_bytes is not None:
        if not (1 <= digest_bytes <= 64):
            raise ValueError("'digest_bytes' not in range 1..64")
    else:
        if not (8 <= digest_bits <= 512) or (digest_bits % 8):
            raise ValueError("'digest_bits' not in range 8..512, "
                             "with steps of 8")
        digest_bytes = digest_bits // 8

key = kwargs.pop("key", b"")
    if len(key) > 64:
        raise ValueError("BLAKE2b key cannot exceed 64 bytes")

if kwargs:
        raise TypeError("Unknown parameters: " + str(kwargs))

return BLAKE2b_Hash(data, key, digest_bytes, update_after_digest)

cmd: