Current File : //usr/lib/python3/dist-packages/paramiko/kex_group14.py
# Copyright (C) 2013 Torsten Landschoff <torsten@debian.org>
#
# This file is part of paramiko.
#
# Paramiko is free software; you can redistribute it and/or modify it under the
# terms of the GNU Lesser General Public License as published by the Free
# Software Foundation; either version 2.1 of the License, or (at your option)
# any later version.
#
# Paramiko is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with Paramiko; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""
Standard SSH key exchange ("kex" if you wanna sound cool). Diffie-Hellman of
2048 bit key halves, using a known "p" prime and "g" generator.
"""
from paramiko.kex_group1 import KexGroup1
from hashlib import sha1, sha256
class KexGroup14(KexGroup1):
# http://tools.ietf.org/html/rfc3526#section-3
P = 0x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noqa
G = 2
name = "diffie-hellman-group14-sha1"
hash_algo = sha1
class KexGroup14SHA256(KexGroup14):
name = "diffie-hellman-group14-sha256"
hash_algo = sha256
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