FM / Cipher

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

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

Name	Size	Mode	Actions
__pycache__/	-	0755	rm
AES.py	9541	0644	edit dl rm
AES.pyi	1343	0644	edit dl rm
ARC2.py	7010	0644	edit dl rm
ARC2.pyi	954	0644	edit dl rm
ARC4.py	5152	0644	edit dl rm
ARC4.pyi	431	0644	edit dl rm
Blowfish.py	5964	0644	edit dl rm
Blowfish.pyi	990	0644	edit dl rm
CAST.py	6071	0644	edit dl rm
CAST.pyi	955	0644	edit dl rm
ChaCha20.py	10734	0644	edit dl rm
ChaCha20.pyi	762	0644	edit dl rm
ChaCha20_Poly1305.py	11529	0644	edit dl rm
ChaCha20_Poly1305.pyi	1068	0644	edit dl rm
DES.py	5947	0644	edit dl rm
DES.pyi	935	0644	edit dl rm
DES3.py	6925	0644	edit dl rm
DES3.pyi	1005	0644	edit dl rm
PKCS1_OAEP.py	8824	0644	edit dl rm
PKCS1_OAEP.pyi	1179	0644	edit dl rm
PKCS1_v1_5.py	7943	0644	edit dl rm
PKCS1_v1_5.pyi	567	0644	edit dl rm
Salsa20.py	6349	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	5205	0644	edit dl rm
_EKSBlowfish.pyi	266	0644	edit dl rm
_mode_cbc.py	10951	0644	edit dl rm
_mode_cbc.pyi	687	0644	edit dl rm
_mode_ccm.py	24444	0644	edit dl rm
_mode_ccm.pyi	1600	0644	edit dl rm
_mode_cfb.py	10801	0644	edit dl rm
_mode_cfb.pyi	727	0644	edit dl rm
_mode_ctr.py	15880	0644	edit dl rm
_mode_ctr.pyi	800	0644	edit dl rm
_mode_eax.py	14511	0644	edit dl rm
_mode_eax.pyi	1545	0644	edit dl rm
_mode_ecb.py	8210	0644	edit dl rm
_mode_ecb.pyi	592	0644	edit dl rm
_mode_gcm.py	21358	0644	edit dl rm
_mode_gcm.pyi	1541	0644	edit dl rm
_mode_ocb.py	19794	0644	edit dl rm
_mode_ocb.pyi	1231	0644	edit dl rm
_mode_ofb.py	10281	0644	edit dl rm
_mode_ofb.pyi	691	0644	edit dl rm
_mode_openpgp.py	7053	0644	edit dl rm
_mode_openpgp.pyi	556	0644	edit dl rm
_mode_siv.py	14062	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	2844	0644	edit dl rm
__init__.pyi	0	0644	edit dl rm

Edit: /opt/imh-python/lib/python3.9/site-packages/Crypto/Cipher/ARC4.py (5152B)

# -*- coding: utf-8 -*-
#
#  Cipher/ARC4.py : ARC4
#
# ===================================================================
# 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 Crypto.Util.py3compat import b

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

_raw_arc4_lib = load_pycryptodome_raw_lib("Crypto.Cipher._ARC4", """
                    int ARC4_stream_encrypt(void *rc4State, const uint8_t in[],
                                            uint8_t out[], size_t len);
                    int ARC4_stream_init(uint8_t *key, size_t keylen,
                                         void **pRc4State);
                    int ARC4_stream_destroy(void *rc4State);
                    """)

class ARC4Cipher:
    """ARC4 cipher object. Do not create it directly. Use
    :func:`Crypto.Cipher.ARC4.new` instead.
    """

def __init__(self, key, *args, **kwargs):
        """Initialize an ARC4 cipher object

See also `new()` at the module level."""

if len(args) > 0:
            ndrop = args[0]
            args = args[1:]
        else:
            ndrop = kwargs.pop('drop', 0)

if len(key) not in key_size:
            raise ValueError("Incorrect ARC4 key length (%d bytes)" %
                             len(key))

self._state = VoidPointer()
        result = _raw_arc4_lib.ARC4_stream_init(c_uint8_ptr(key),
                                                c_size_t(len(key)),
                                                self._state.address_of())
        if result != 0:
            raise ValueError("Error %d while creating the ARC4 cipher"
                             % result)
        self._state = SmartPointer(self._state.get(),
                                   _raw_arc4_lib.ARC4_stream_destroy)

if ndrop > 0:
            # This is OK even if the cipher is used for decryption,
            # since encrypt and decrypt are actually the same thing
            # with ARC4.
            self.encrypt(b'\x00' * ndrop)

self.block_size = 1
        self.key_size = len(key)

def encrypt(self, plaintext):
        """Encrypt a piece of data.

:param plaintext: The data to encrypt, of any size.
        :type plaintext: bytes, bytearray, memoryview
        :returns: the encrypted byte string, of equal length as the
          plaintext.
        """

ciphertext = create_string_buffer(len(plaintext))
        result = _raw_arc4_lib.ARC4_stream_encrypt(self._state.get(),
                                                   c_uint8_ptr(plaintext),
                                                   ciphertext,
                                                   c_size_t(len(plaintext)))
        if result:
            raise ValueError("Error %d while encrypting with RC4" % result)
        return get_raw_buffer(ciphertext)

def decrypt(self, ciphertext):
        """Decrypt a piece of data.

:param ciphertext: The data to decrypt, of any size.
        :type ciphertext: bytes, bytearray, memoryview
        :returns: the decrypted byte string, of equal length as the
          ciphertext.
        """

try:
            return self.encrypt(ciphertext)
        except ValueError as e:
            raise ValueError(str(e).replace("enc", "dec"))

def new(key, *args, **kwargs):
    """Create a new ARC4 cipher.

:param key:
        The secret key to use in the symmetric cipher.
        Its length must be in the range ``[5..256]``.
        The recommended length is 16 bytes.
    :type key: bytes, bytearray, memoryview

:Keyword Arguments:
        *   *drop* (``integer``) --
            The amount of bytes to discard from the initial part of the keystream.
            In fact, such part has been found to be distinguishable from random
            data (while it shouldn't) and also correlated to key.

The recommended value is 3072_ bytes. The default value is 0.

:Return: an `ARC4Cipher` object

.. _3072: http://eprint.iacr.org/2002/067.pdf
    """
    return ARC4Cipher(key, *args, **kwargs)

# Size of a data block (in bytes)
block_size = 1
# Size of a key (in bytes)
key_size = range(5, 256+1)

cmd: