def test_grpkeyExportImport(self):
grpkey_str = grpkey.grpkey_export(self.grpkey)
gpk = grpkey.grpkey_import(self.code, grpkey_str)
# This is quite useless, as import returns an exception if the FFI
# method returns ffi.NULL. Maybe implementing a cmp function for
# grp keys would be good for testing this (and also in general?)
self.assertIsNot(ffi.NULL, gpk)
#!/usr/bin/env python3
import sys
from pygroupsig import groupsig
from pygroupsig import memkey
from pygroupsig import grpkey
from pygroupsig import message
from pygroupsig import constants
if len(sys.argv) != 4:
print("Usage: $python3 join-seq3.py <grpkey str> <memkey str> <cert str>")
sys.exit()
# Init scheme
groupsig.init(constants.GL19_CODE, 0)
# Import grpkey from the string received from the command line
gpk = grpkey.grpkey_import(constants.GL19_CODE, sys.argv[1])
# Import initial member key
usk = memkey.memkey_import(constants.GL19_CODE, sys.argv[2])
# Run second join member operation
msgin = message.message_from_base64(sys.argv[3]) #.encode())
msgout = groupsig.join_mem(3, gpk, msgin=msgin, memkey=usk)
usk = msgout['memkey']
# Print the challenge response and the temporary key
print("Member key: %s" % memkey.memkey_export(usk))