MikroTikPatch/toyecc/ECPublicKey.py
2024-06-15 07:27:20 +08:00

45 lines
1.7 KiB
Python

#
# toyecc - A small Elliptic Curve Cryptography Demonstration.
# Copyright (C) 2011-2016 Johannes Bauer
#
# This file is part of toyecc.
#
# toyecc is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; this program is ONLY licensed under
# version 3 of the License, later versions are explicitly excluded.
#
# toyecc 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with toyecc; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Johannes Bauer <JohannesBauer@gmx.de>
#
from .PubKeyOps import PubKeyOpECDSAVerify, PubKeyOpECDSAExploitReusedNonce, PubKeyOpEDDSAVerify, PubKeyOpEDDSAEncode, PubKeyOpECIESEncrypt, PubKeyOpLoad
class ECPublicKey(PubKeyOpECDSAVerify, PubKeyOpECDSAExploitReusedNonce, PubKeyOpEDDSAVerify, PubKeyOpEDDSAEncode, PubKeyOpECIESEncrypt, PubKeyOpLoad):
"""Elliptic curve public key abstraction. An EC public key is just a point
on the curve, which is why the constructor only takes this (public) point
as a parameter. The public key abstraction allows this point to be used in
various meaningful purposes (ECDSA signature verification, etc.)."""
def __init__(self, point):
self._point = point
@property
def curve(self):
return self._point.curve
@property
def point(self):
return self._point
def __str__(self):
return "PublicKey<%s>" % (str(self.point))