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66 lines
2.0 KiB
Python
66 lines
2.0 KiB
Python
#
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# This file is part of Pretty Curved Privacy (pcp1).
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#
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# Copyright (C) 2013-2015 T. von Dein.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# You can contact me by mail: <tlinden AT cpan DOT org>.
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#
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from pypcp.dll import *
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from pypcp.context import *
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class PublicKey(object):
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"""
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A libpcp public key object.
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"""
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def __init__(self, pk=None, encoded=None):
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"""
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Import a public key.
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'encoded' can be a file handle (returned by open()) or a python string
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containing the public key.
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"""
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self._pk = None
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if pk:
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self._pk = pk
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elif encoded:
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self.importkey(Context(), encoded)
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else:
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self._pk = ffi.new("struct _pcp_pubkey_t*")
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for key, value in convert_to_python(self._pk).iteritems():
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self.__setattr__(key, value)
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def importkey(self, context, encoded=None):
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"""
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Internal method to import a key from the outside.
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"""
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ks = libpcp.pcp_import_pub(context._ctx, encoded, len(encoded))
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if not ks:
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context.throw(IOError, "failed to import key")
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self._pk = ks.p
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def dump(self):
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"""
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Dump the contents of the key to STDERR.
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"""
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if self._pk:
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libpcp.pcp_dumppubkey(self._pk)
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def __dict__(self):
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return convert_to_python(self._pk)
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