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# Copyright (C) 2015 Bahtiar `kalkin-` Gadimov <bahtiar@gadimov.de>
#
# This file is part of OMEMO Gajim Plugin.
#
# OMEMO Gajim Plugin 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; version 3 only.
#
# OMEMO Gajim Plugin 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 OMEMO Gajim Plugin. If not, see <http://www.gnu.org/licenses/>.
from __future__ import annotations
import binascii
import textwrap
from enum import IntEnum
from omemo_dr.identitykey import IdentityKey
from omemo_dr.identitykeypair import IdentityKeyPair
DEFAULT_PREKEY_AMOUNT = 100
MIN_PREKEY_AMOUNT = 80
SPK_ARCHIVE_TIME = 86400 * 15 # 15 Days
SPK_CYCLE_TIME = 86400 # 24 Hours
UNACKNOWLEDGED_COUNT = 2000
class Trust(IntEnum):
UNTRUSTED = 0
VERIFIED = 1
UNDECIDED = 2
BLIND = 3
def get_fingerprint(identity_key: IdentityKeyPair,
formatted: bool = False
) -> str:
public_key = identity_key.getPublicKey().serialize()
fingerprint = binascii.hexlify(public_key).decode()[2:]
if not formatted:
return fingerprint
fplen = len(fingerprint)
wordsize = fplen // 8
buf = ''
for word in range(0, fplen, wordsize):
buf += '{0} '.format(fingerprint[word:word + wordsize])
buf = textwrap.fill(buf, width=36)
return buf.rstrip().upper()
class IdentityKeyExtended(IdentityKey):
def __hash__(self) -> int:
return hash(self.publicKey.serialize())
def get_fingerprint(self, formatted: bool = False) -> str:
return get_fingerprint(self, formatted=formatted)
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