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/Poly1305.py (8074B)

# -*- coding: utf-8 -*-
#
# Hash/Poly1305.py - Implements the Poly1305 MAC
#
# ===================================================================
# The contents of this file are dedicated to the public domain.  To
# the extent that dedication to the public domain is not available,
# everyone is granted a worldwide, perpetual, royalty-free,
# non-exclusive license to exercise all rights associated with the
# contents of this file for any purpose whatsoever.
# No rights are reserved.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
# ===================================================================

from binascii import unhexlify

from Crypto.Util.py3compat import bord, tobytes, _copy_bytes

from Crypto.Hash import BLAKE2s
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_poly1305 = load_pycryptodome_raw_lib("Crypto.Hash._poly1305",
                        """
                        int poly1305_init(void **state,
                                          const uint8_t *r,
                                          size_t r_len,
                                          const uint8_t *s,
                                          size_t s_len);
                        int poly1305_destroy(void *state);
                        int poly1305_update(void *state,
                                            const uint8_t *in,
                                            size_t len);
                        int poly1305_digest(const void *state,
                                            uint8_t *digest,
                                            size_t len);
                        """)

class Poly1305_MAC(object):
    """An Poly1305 MAC object.
    Do not instantiate directly. Use the :func:`new` function.

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

digest_size = 16

def __init__(self, r, s, data):

if len(r) != 16:
            raise ValueError("Parameter r is not 16 bytes long")
        if len(s) != 16:
            raise ValueError("Parameter s is not 16 bytes long")

self._mac_tag = None

state = VoidPointer()
        result = _raw_poly1305.poly1305_init(state.address_of(),
                                             c_uint8_ptr(r),
                                             c_size_t(len(r)),
                                             c_uint8_ptr(s),
                                             c_size_t(len(s))
                                             )
        if result:
            raise ValueError("Error %d while instantiating Poly1305" % result)
        self._state = SmartPointer(state.get(),
                                   _raw_poly1305.poly1305_destroy)
        if data:
            self.update(data)

def update(self, data):
        """Authenticate the next chunk of message.

Args:
            data (byte string/byte array/memoryview): The next chunk of data
        """

if self._mac_tag:
            raise TypeError("You can only call 'digest' or 'hexdigest' on this object")

result = _raw_poly1305.poly1305_update(self._state.get(),
                                               c_uint8_ptr(data),
                                               c_size_t(len(data)))
        if result:
            raise ValueError("Error %d while hashing Poly1305 data" % result)
        return self

def copy(self):
        raise NotImplementedError()

def digest(self):
        """Return the **binary** (non-printable) MAC tag of the message
        authenticated so far.

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

if self._mac_tag:
            return self._mac_tag
        
        bfr = create_string_buffer(16)
        result = _raw_poly1305.poly1305_digest(self._state.get(),
                                               bfr,
                                               c_size_t(len(bfr)))
        if result:
            raise ValueError("Error %d while creating Poly1305 digest" % result)

self._mac_tag = get_raw_buffer(bfr)
        return self._mac_tag

def hexdigest(self):
        """Return the **printable** MAC tag of the message authenticated so far.

:return: The MAC tag, 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 (byte string/byte string/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 = BLAKE2s.new(digest_bits=160, key=secret, data=mac_tag)
        mac2 = BLAKE2s.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(**kwargs):
    """Create a new Poly1305 MAC object.

Args:
        key (bytes/bytearray/memoryview):
            The 32-byte key for the Poly1305 object.
        cipher (module from ``Crypto.Cipher``):
            The cipher algorithm to use for deriving the Poly1305
            key pair *(r, s)*.
            It can only be ``Crypto.Cipher.AES`` or ``Crypto.Cipher.ChaCha20``.
        nonce (bytes/bytearray/memoryview):
            Optional. The non-repeatable value to use for the MAC of this message.
            It must be 16 bytes long for ``AES`` and 8 or 12 bytes for ``ChaCha20``.
            If not passed, a random nonce is created; you will find it in the
            ``nonce`` attribute of the new object.
        data (bytes/bytearray/memoryview):
            Optional. The very first chunk of the message to authenticate.
            It is equivalent to an early call to ``update()``.

Returns:
        A :class:`Poly1305_MAC` object
    """

cipher = kwargs.pop("cipher", None)
    if not hasattr(cipher, '_derive_Poly1305_key_pair'):
        raise ValueError("Parameter 'cipher' must be AES or ChaCha20")

cipher_key = kwargs.pop("key", None)
    if cipher_key is None:
        raise TypeError("You must pass a parameter 'key'")

nonce = kwargs.pop("nonce", None)
    data = kwargs.pop("data", None)
    
    if kwargs:
        raise TypeError("Unknown parameters: " + str(kwargs))

r, s, nonce = cipher._derive_Poly1305_key_pair(cipher_key, nonce)
    
    new_mac = Poly1305_MAC(r, s, data)
    new_mac.nonce = _copy_bytes(None, None, nonce)  # nonce may still be just a memoryview
    return new_mac

cmd: