Source code for M2Crypto.PGP.PublicKey
from __future__ import absolute_import
"""M2Crypto PGP2.
Copyright (c) 1999-2003 Ng Pheng Siong. All rights reserved."""
from M2Crypto.PGP.RSA import new_pub_key
from M2Crypto.RSA import pkcs1_padding
from M2Crypto.PGP.packet import PublicKeyPacket # noqa
from M2Crypto.PGP.constants import * # noqa
from M2Crypto.PGP.packet import * # noqa
[docs]class PublicKey:
def __init__(self, pubkey_pkt):
# type: (PublicKeyPacket) -> None
import warnings
warnings.warn(
'Deprecated. No maintainer for PGP. If you use this, ' +
'please inform M2Crypto maintainer.',
DeprecationWarning)
self._pubkey_pkt = pubkey_pkt
self._pubkey = new_pub_key((pubkey_pkt._e, pubkey_pkt._n))
self._userid = {} # type: dict
self._signature = {} # type: dict
[docs] def keyid(self):
# type: () -> bytes
return self._pubkey.n[-8:]
[docs] def add_userid(self, u_pkt):
# type: (Packet.UserIDPacket) -> None
assert isinstance(u_pkt, UserIDPacket)
self._userid[u_pkt.userid()] = u_pkt
[docs] def remove_userid(self, userid):
# type: (int) -> None
del self._userid[userid]
[docs] def add_signature(self, userid, s_pkt):
# type: (int, SignaturePacket) -> None
assert isinstance(s_pkt, SignaturePacket)
assert userid in self._userid
if userid in self._signature:
self._signature.append(s_pkt)
else:
self._signature = [s_pkt]
def __getitem__(self, id):
# type: (int) -> SignaturePacket
return self._userid[id]
def __setitem__(self, *args):
raise NotImplementedError
def __delitem__(self, id):
# type: (int) -> None
del self._userid[id]
if self._signature[id]:
del self._signature[id]
[docs] def write(self, stream):
# type: (IO[bytes]) -> None
pass
[docs] def encrypt(self, ptxt):
# type: (bytes) -> bytes
# XXX Munge ptxt into pgp format.
return self._pubkey.public_encrypt(ptxt, pkcs1_padding)
[docs] def decrypt(self, ctxt):
# type: (bytes) -> bytes
# XXX Munge ctxt into pgp format.
return self._pubkey.public_encrypt(ctxt, pkcs1_padding)