/usr/share/pyshared/M2Crypto/PGP/PublicKey.py is in python-m2crypto 0.21.1-2ubuntu2.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | """M2Crypto PGP2.
Copyright (c) 1999-2003 Ng Pheng Siong. All rights reserved."""
from constants import *
from packet import *
import RSA
class PublicKey:
def __init__(self, pubkey_pkt):
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 = RSA.new_pub_key((pubkey_pkt._e, pubkey_pkt._n))
self._userid = {}
self._signature = {}
def keyid(self):
return self._pubkey.n[-8:]
def add_userid(self, u_pkt):
assert isinstance(u_pkt, userid_packet)
self._userid[u_pkt.userid()] = u_pkt
def remove_userid(self, userid):
del self._userid[userid]
def add_signature(self, userid, s_pkt):
assert isinstance(s_pkt, signature_packet)
assert self._userid.has_key(userid)
if self._signature.has_key(userid):
self._signature.append(s_pkt)
else:
self._signature = [s_pkt]
def __getitem__(self, id):
return self._userid[id]
def __setitem__(self, *args):
raise NotImplementedError
def __delitem__(self, id):
del self._userid[id]
if self._signature[id]:
del self._signature[id]
def write(self, stream):
pass
def encrypt(self, ptxt):
# XXX Munge ptxt into pgp format.
return self._pubkey.public_encrypt(ptxt, RSA.pkcs1_padding)
def decrypt(self, ctxt):
# XXX Munge ctxt into pgp format.
return self._pubkey.public_encrypt(ctxt, RSA.pkcs1_padding)
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