OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	05/26/2025 10:13:33 PM	rwxr-xr-x
📄 __init__.py	1020 bytes	10/17/2019 01:00:23 PM	rw-r--r--
📁 __pycache__	-	05/26/2025 10:13:33 PM	rwxr-xr-x
📄 dh.py	5.33 KB	10/17/2019 01:00:23 PM	rw-r--r--
📄 dsa.py	6.73 KB	10/17/2019 01:00:23 PM	rw-r--r--
📄 ec.py	13.44 KB	10/17/2019 01:00:23 PM	rw-r--r--
📄 ed25519.py	2.34 KB	10/17/2019 01:00:23 PM	rw-r--r--
📄 ed448.py	2.27 KB	10/17/2019 01:00:23 PM	rw-r--r--
📄 padding.py	2.21 KB	10/17/2019 01:00:23 PM	rw-r--r--
📄 rsa.py	10.08 KB	10/17/2019 01:00:23 PM	rw-r--r--
📄 utils.py	1.16 KB	10/17/2019 01:00:23 PM	rw-r--r--
📄 x25519.py	2.23 KB	10/17/2019 01:00:23 PM	rw-r--r--
📄 x448.py	2.2 KB	10/17/2019 01:00:23 PM	rw-r--r--

Editing: utils.py

# This file is dual licensed under the terms of the Apache License, Version
# 2.0, and the BSD License. See the LICENSE file in the root of this repository
# for complete details.

from __future__ import absolute_import, division, print_function

from cryptography import utils
from cryptography.hazmat._der import (
    DERReader, INTEGER, SEQUENCE, encode_der, encode_der_integer
)
from cryptography.hazmat.primitives import hashes

def decode_dss_signature(signature):
    with DERReader(signature).read_single_element(SEQUENCE) as seq:
        r = seq.read_element(INTEGER).as_integer()
        s = seq.read_element(INTEGER).as_integer()
        return r, s

def encode_dss_signature(r, s):
    return encode_der(
        SEQUENCE,
        encode_der(INTEGER, encode_der_integer(r)),
        encode_der(INTEGER, encode_der_integer(s)),
    )

class Prehashed(object):
    def __init__(self, algorithm):
        if not isinstance(algorithm, hashes.HashAlgorithm):
            raise TypeError("Expected instance of HashAlgorithm.")

self._algorithm = algorithm
        self._digest_size = algorithm.digest_size

digest_size = utils.read_only_property("_digest_size")