FM / Cipher

/opt/imh-python/lib/python3.9/site-packages/Cryptodome/Cipher/

/opt/imh-python/lib/python3.9/site-packages/Cryptodome/Cipher

Name	Size	Mode	Actions
__pycache__/	-	0755	rm
AES.py	9569	0644	edit dl rm
AES.pyi	1387	0644	edit dl rm
ARC2.py	7026	0644	edit dl rm
ARC2.pyi	982	0644	edit dl rm
ARC4.py	5168	0644	edit dl rm
ARC4.pyi	431	0644	edit dl rm
Blowfish.py	5976	0644	edit dl rm
Blowfish.pyi	1018	0644	edit dl rm
CAST.py	6087	0644	edit dl rm
CAST.pyi	983	0644	edit dl rm
ChaCha20.py	10754	0644	edit dl rm
ChaCha20.pyi	762	0644	edit dl rm
ChaCha20_Poly1305.py	11561	0644	edit dl rm
ChaCha20_Poly1305.pyi	1068	0644	edit dl rm
DES.py	5963	0644	edit dl rm
DES.pyi	963	0644	edit dl rm
DES3.py	6941	0644	edit dl rm
DES3.pyi	1033	0644	edit dl rm
PKCS1_OAEP.py	8880	0644	edit dl rm
PKCS1_OAEP.pyi	1183	0644	edit dl rm
PKCS1_v1_5.py	7979	0644	edit dl rm
PKCS1_v1_5.pyi	571	0644	edit dl rm
Salsa20.py	6369	0644	edit dl rm
Salsa20.pyi	744	0644	edit dl rm
_ARC4.cpython-39-x86_64-linux-gnu.so	8072	0755	edit dl rm
_chacha20.cpython-39-x86_64-linux-gnu.so	11024	0755	edit dl rm
_EKSBlowfish.py	5217	0644	edit dl rm
_EKSBlowfish.pyi	270	0644	edit dl rm
_mode_cbc.py	10971	0644	edit dl rm
_mode_cbc.pyi	691	0644	edit dl rm
_mode_ccm.py	24476	0644	edit dl rm
_mode_ccm.pyi	1600	0644	edit dl rm
_mode_cfb.py	10821	0644	edit dl rm
_mode_cfb.pyi	731	0644	edit dl rm
_mode_ctr.py	15920	0644	edit dl rm
_mode_ctr.pyi	804	0644	edit dl rm
_mode_eax.py	14543	0644	edit dl rm
_mode_eax.pyi	1545	0644	edit dl rm
_mode_ecb.py	8222	0644	edit dl rm
_mode_ecb.pyi	596	0644	edit dl rm
_mode_gcm.py	21402	0644	edit dl rm
_mode_gcm.pyi	1541	0644	edit dl rm
_mode_ocb.py	19838	0644	edit dl rm
_mode_ocb.pyi	1231	0644	edit dl rm
_mode_ofb.py	10301	0644	edit dl rm
_mode_ofb.pyi	695	0644	edit dl rm
_mode_openpgp.py	7061	0644	edit dl rm
_mode_openpgp.pyi	556	0644	edit dl rm
_mode_siv.py	14094	0644	edit dl rm
_mode_siv.pyi	1261	0644	edit dl rm
_raw_aes.cpython-39-x86_64-linux-gnu.so	26816	0755	edit dl rm
_raw_aesni.cpython-39-x86_64-linux-gnu.so	11648	0755	edit dl rm
_raw_arc2.cpython-39-x86_64-linux-gnu.so	10528	0755	edit dl rm
_raw_blowfish.cpython-39-x86_64-linux-gnu.so	13568	0755	edit dl rm
_raw_cast.cpython-39-x86_64-linux-gnu.so	19864	0755	edit dl rm
_raw_cbc.cpython-39-x86_64-linux-gnu.so	8672	0755	edit dl rm
_raw_cfb.cpython-39-x86_64-linux-gnu.so	8928	0755	edit dl rm
_raw_ctr.cpython-39-x86_64-linux-gnu.so	9200	0755	edit dl rm
_raw_des.cpython-39-x86_64-linux-gnu.so	45120	0755	edit dl rm
_raw_des3.cpython-39-x86_64-linux-gnu.so	45408	0755	edit dl rm
_raw_ecb.cpython-39-x86_64-linux-gnu.so	6528	0755	edit dl rm
_raw_eksblowfish.cpython-39-x86_64-linux-gnu.so	18888	0755	edit dl rm
_raw_ocb.cpython-39-x86_64-linux-gnu.so	11456	0755	edit dl rm
_raw_ofb.cpython-39-x86_64-linux-gnu.so	7496	0755	edit dl rm
_Salsa20.cpython-39-x86_64-linux-gnu.so	8824	0755	edit dl rm
__init__.py	2888	0644	edit dl rm
__init__.pyi	0	0644	edit dl rm

Edit: /opt/imh-python/lib/python3.9/site-packages/Cryptodome/Cipher/_EKSBlowfish.py (5217B)

# ===================================================================
#
# Copyright (c) 2019, 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.
# ===================================================================

import sys

from Cryptodome.Cipher import _create_cipher
from Cryptodome.Util._raw_api import (load_pycryptodome_raw_lib,
                                  VoidPointer, SmartPointer, c_size_t,
                                  c_uint8_ptr, c_uint)

_raw_blowfish_lib = load_pycryptodome_raw_lib(
        "Cryptodome.Cipher._raw_eksblowfish",
        """
        int EKSBlowfish_start_operation(const uint8_t key[],
                                        size_t key_len,
                                        const uint8_t salt[16],
                                        size_t salt_len,
                                        unsigned cost,
                                        unsigned invert,
                                        void **pResult);
        int EKSBlowfish_encrypt(const void *state,
                                const uint8_t *in,
                                uint8_t *out,
                                size_t data_len);
        int EKSBlowfish_decrypt(const void *state,
                                const uint8_t *in,
                                uint8_t *out,
                                size_t data_len);
        int EKSBlowfish_stop_operation(void *state);
        """
        )

def _create_base_cipher(dict_parameters):
    """This method instantiates and returns a smart pointer to
    a low-level base cipher. It will absorb named parameters in
    the process."""

try:
        key = dict_parameters.pop("key")
        salt = dict_parameters.pop("salt")
        cost = dict_parameters.pop("cost")
    except KeyError as e:
        raise TypeError("Missing EKSBlowfish parameter: " + str(e))
    invert = dict_parameters.pop("invert", True)

if len(key) not in key_size:
        raise ValueError("Incorrect EKSBlowfish key length (%d bytes)" % len(key))

start_operation = _raw_blowfish_lib.EKSBlowfish_start_operation
    stop_operation = _raw_blowfish_lib.EKSBlowfish_stop_operation

void_p = VoidPointer()
    result = start_operation(c_uint8_ptr(key),
                             c_size_t(len(key)),
                             c_uint8_ptr(salt),
                             c_size_t(len(salt)),
                             c_uint(cost),
                             c_uint(int(invert)),
                             void_p.address_of())
    if result:
        raise ValueError("Error %X while instantiating the EKSBlowfish cipher"
                         % result)
    return SmartPointer(void_p.get(), stop_operation)

def new(key, mode, salt, cost, invert):
    """Create a new EKSBlowfish cipher
    
    Args:

key (bytes, bytearray, memoryview):
        The secret key to use in the symmetric cipher.
        Its length can vary from 0 to 72 bytes.

mode (one of the supported ``MODE_*`` constants):
        The chaining mode to use for encryption or decryption.

salt (bytes, bytearray, memoryview):
        The salt that bcrypt uses to thwart rainbow table attacks

cost (integer):
        The complexity factor in bcrypt

invert (bool):
        If ``False``, in the inner loop use ``ExpandKey`` first over the salt
        and then over the key, as defined in
        the `original bcrypt specification <https://www.usenix.org/legacy/events/usenix99/provos/provos_html/node4.html>`_.
        If ``True``, reverse the order, as in the first implementation of
        `bcrypt` in OpenBSD.

:Return: an EKSBlowfish object
    """

kwargs = { 'salt':salt, 'cost':cost, 'invert':invert }
    return _create_cipher(sys.modules[__name__], key, mode, **kwargs)

MODE_ECB = 1

# Size of a data block (in bytes)
block_size = 8
# Size of a key (in bytes)
key_size = range(0, 72 + 1)

cmd: