OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	05/08/2025 02:18:07 PM	rwxr-xr-x
📄 __init__.py	1020 bytes	03/02/2016 02:10:12 AM	rw-r--r--
📁 __pycache__	-	05/08/2025 02:18:07 PM	rwxr-xr-x
📄 dh.py	4.08 KB	03/02/2016 02:10:12 AM	rw-r--r--
📄 dsa.py	6.14 KB	03/02/2016 02:10:12 AM	rw-r--r--
📄 ec.py	8.43 KB	03/02/2016 02:10:12 AM	rw-r--r--
📄 padding.py	1.76 KB	03/02/2016 02:10:12 AM	rw-r--r--
📄 rsa.py	9.68 KB	03/02/2016 02:10:12 AM	rw-r--r--
📄 utils.py	1.98 KB	03/02/2016 02:10:12 AM	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

import warnings

from pyasn1.codec.der import decoder, encoder
from pyasn1.error import PyAsn1Error
from pyasn1.type import namedtype, univ

import six

from cryptography import utils

class _DSSSigValue(univ.Sequence):
    componentType = namedtype.NamedTypes(
        namedtype.NamedType('r', univ.Integer()),
        namedtype.NamedType('s', univ.Integer())
    )

def decode_rfc6979_signature(signature):
    warnings.warn(
        "decode_rfc6979_signature is deprecated and will "
        "be removed in a future version, use decode_dss_signature instead "
        "instead.",
        utils.DeprecatedIn10,
        stacklevel=2
    )
    return decode_dss_signature(signature)

def decode_dss_signature(signature):
    try:
        data, remaining = decoder.decode(signature, asn1Spec=_DSSSigValue())
    except PyAsn1Error:
        raise ValueError("Invalid signature data. Unable to decode ASN.1")

if remaining:
        raise ValueError(
            "The signature contains bytes after the end of the ASN.1 sequence."
        )

r = int(data.getComponentByName('r'))
    s = int(data.getComponentByName('s'))
    return (r, s)

def encode_rfc6979_signature(r, s):
    warnings.warn(
        "encode_rfc6979_signature is deprecated and will "
        "be removed in a future version, use encode_dss_signature instead "
        "instead.",
        utils.DeprecatedIn10,
        stacklevel=2
    )
    return encode_dss_signature(r, s)

def encode_dss_signature(r, s):
    if (
        not isinstance(r, six.integer_types) or
        not isinstance(s, six.integer_types)
    ):
        raise ValueError("Both r and s must be integers")

sig = _DSSSigValue()
    sig.setComponentByName('r', r)
    sig.setComponentByName('s', s)
    return encoder.encode(sig)