File Manager

X7ROOT File Manager

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

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

📁 ..
📄 BLAKE2b.py(9.2 KB)
📄 BLAKE2b.pyi(906 B)
📄 BLAKE2s.py(9.21 KB)
📄 BLAKE2s.pyi(739 B)
📄 CMAC.py(10.11 KB)
📄 CMAC.pyi(822 B)
📄 HMAC.py(6.86 KB)
📄 HMAC.pyi(624 B)
📄 KMAC128.py(5.81 KB)
📄 KMAC128.pyi(903 B)
📄 KMAC256.py(2.84 KB)
📄 KMAC256.pyi(226 B)
📄 KangarooTwelve.py(8.82 KB)
📄 KangarooTwelve.pyi(572 B)
📄 MD2.py(5.97 KB)
📄 MD2.pyi(492 B)
📄 MD4.py(6.43 KB)
📄 MD4.pyi(532 B)
📄 MD5.py(6.46 KB)
📄 MD5.pyi(492 B)
📄 Poly1305.py(7.88 KB)
📄 Poly1305.pyi(665 B)
📄 RIPEMD.py(1.17 KB)
📄 RIPEMD.pyi(94 B)
📄 RIPEMD160.py(6.25 KB)
📄 RIPEMD160.pyi(516 B)
📄 SHA.py(1.12 KB)
📄 SHA.pyi(161 B)
📄 SHA1.py(6.53 KB)
📄 SHA1.pyi(536 B)
📄 SHA224.py(6.74 KB)
📄 SHA224.pyi(544 B)
📄 SHA256.py(6.74 KB)
📄 SHA256.pyi(612 B)
📄 SHA384.py(6.74 KB)
📄 SHA384.pyi(544 B)
📄 SHA3_224.py(6.03 KB)
📄 SHA3_224.pyi(605 B)
📄 SHA3_256.py(6.03 KB)
📄 SHA3_256.pyi(605 B)
📄 SHA3_384.py(6.13 KB)
📄 SHA3_384.pyi(605 B)
📄 SHA3_512.py(5.99 KB)
📄 SHA3_512.pyi(605 B)
📄 SHA512.py(7.54 KB)
📄 SHA512.pyi(622 B)
📄 SHAKE128.py(4.65 KB)
📄 SHAKE128.pyi(437 B)
📄 SHAKE256.py(4.65 KB)
📄 SHAKE256.pyi(437 B)
📄 TupleHash128.py(4.61 KB)
📄 TupleHash128.pyi(652 B)
📄 TupleHash256.py(2.84 KB)
📄 TupleHash256.pyi(144 B)
📄 _BLAKE2b.abi3.so(15.75 KB)
📄 _BLAKE2s.abi3.so(15.75 KB)
📄 _MD2.abi3.so(15.8 KB)
📄 _MD4.abi3.so(15.84 KB)
📄 _MD5.abi3.so(15.95 KB)
📄 _RIPEMD160.abi3.so(19.77 KB)
📄 _SHA1.abi3.so(19.95 KB)
📄 _SHA224.abi3.so(23.97 KB)
📄 _SHA256.abi3.so(23.97 KB)
📄 _SHA384.abi3.so(27.98 KB)
📄 _SHA512.abi3.so(28.01 KB)
📄 __init__.py(1.21 KB)
📄 __init__.pyi(0 B)
📁 __pycache__
📄 _ghash_clmul.abi3.so(15.58 KB)
📄 _ghash_portable.abi3.so(15.48 KB)
📄 _keccak.abi3.so(20.03 KB)
📄 _poly1305.abi3.so(15.94 KB)
📄 cSHAKE128.py(6.17 KB)
📄 cSHAKE128.pyi(499 B)
📄 cSHAKE256.py(2.15 KB)
📄 cSHAKE256.pyi(231 B)
📄 keccak.py(7.37 KB)
📄 keccak.pyi(741 B)

Editing: keccak.py

# ===================================================================
#
# Copyright (c) 2015, 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 Crypto.Util.py3compat import bord

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

_raw_keccak_lib = load_pycryptodome_raw_lib("Crypto.Hash._keccak",
                        """
                        int keccak_init(void **state,
                                        size_t capacity_bytes,
                                        uint8_t rounds);
                        int keccak_destroy(void *state);
                        int keccak_absorb(void *state,
                                          const uint8_t *in,
                                          size_t len);
                        int keccak_squeeze(const void *state,
                                           uint8_t *out,
                                           size_t len,
                                           uint8_t padding);
                        int keccak_digest(void *state,
                                          uint8_t *digest,
                                          size_t len,
                                          uint8_t padding);
                        int keccak_copy(const void *src, void *dst);
                        int keccak_reset(void *state);
                        """)

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

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

def __init__(self, data, 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
        self._padding = 0x01

state = VoidPointer()
        result = _raw_keccak_lib.keccak_init(state.address_of(),
                                             c_size_t(self.digest_size * 2),
                                             c_ubyte(24))
        if result:
            raise ValueError("Error %d while instantiating keccak" % result)
        self._state = SmartPointer(state.get(),
                                   _raw_keccak_lib.keccak_destroy)
        if data:
            self.update(data)

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

Args:
            data (byte string/byte array/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_keccak_lib.keccak_absorb(self._state.get(),
                                               c_uint8_ptr(data),
                                               c_size_t(len(data)))
        if result:
            raise ValueError("Error %d while updating keccak" % 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
        """

self._digest_done = True
        bfr = create_string_buffer(self.digest_size)
        result = _raw_keccak_lib.keccak_digest(self._state.get(),
                                               bfr,
                                               c_size_t(self.digest_size),
                                               c_ubyte(self._padding))
        if result:
            raise ValueError("Error %d while squeezing keccak" % result)

return get_raw_buffer(bfr)

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 self.digest()])

def new(self, **kwargs):
        """Create a fresh Keccak hash object."""

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):
            The very first chunk of the message to hash.
            It is equivalent to an early call to :meth:`Keccak_Hash.update`.
        digest_bytes (integer):
            The size of the digest, in bytes (28, 32, 48, 64).
        digest_bits (integer):
            The size of the digest, in bits (224, 256, 384, 512).
        update_after_digest (boolean):
            Whether :meth:`Keccak.digest` can be followed by another
            :meth:`Keccak.update` (default: ``False``).

:Return: A :class:`Keccak_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):
        raise TypeError("Digest size (bits, bytes) not provided")
    if digest_bytes is not None:
        if digest_bytes not in (28, 32, 48, 64):
            raise ValueError("'digest_bytes' must be: 28, 32, 48 or 64")
    else:
        if digest_bits not in (224, 256, 384, 512):
            raise ValueError("'digest_bytes' must be: 224, 256, 384 or 512")
        digest_bytes = digest_bits // 8

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

return Keccak_Hash(data, digest_bytes, update_after_digest)

X7ROOT File Manager

Editing: keccak.py

Upload File

Create Folder