def main():
"""Wrapper programme to generate master key pairs for the
Bethencourt2007cae CP-ABE Scheme.
"""
parser = argparse.ArgumentParser(
description='Generates master '
'key pairs for the Bethencourt2007cae CP-ABE Scheme.')
parser.add_argument('--mpk-out',
default="cp.mpk",
dest='mpk',
type=str,
help='The name of the file in which to store the '
'Public Parameters. Default: %(default)s')
parser.add_argument('--msk-out',
default="cp.msk",
dest='msk',
type=str,
help='The name of the file in which to store the '
'Master Secret Key. Default: %(default)s')
args = parser.parse_args()
group = PairingGroup('SS512')
(mpk, msk) = cpabe_setup(group)
write_key_to_file(args.mpk, mpk, group)
write_key_to_file(args.msk, msk, group)
def main():
"""Wrapper programme to generate master key pairs for the
Lewko2008rsw KP-ABE Scheme.
"""
parser = argparse.ArgumentParser(
description='Generates master key '
'pairs for the Lewko2008rsw KP-ABE Scheme.')
parser.add_argument('--mpk-out',
default="kp.mpk",
dest='mpk',
type=str,
help='The name of the file in which to store the '
'Public Parameters. Default: %(default)s')
parser.add_argument('--msk-out',
default="kp.msk",
dest='msk',
type=str,
help='The name of the file in which to store the '
'Master Secret Key. Default: %(default)s')
args = parser.parse_args()
group = PairingGroup('MNT224')
(mpk, msk) = kpabe_setup(group)
write_key_to_file(args.mpk, mpk, group)
write_key_to_file(args.msk, msk, group)
def main():
"""Wrapper function to generate decryption keys for the
Bethencourt2007cae CP-ABE Scheme.
"""
parser = argparse.ArgumentParser(
description="Generates decryption keys from a set of attributes" +
" for the BSW2007cae CP-ABE Scheme.")
parser.add_argument('--mpk',
required=True,
dest='mpk',
type=str,
help="The name of the Public Parameters." +
" Default: %(default)s")
parser.add_argument('--msk',
required=True,
dest='msk',
type=str,
help="The name of the Master Secret Key." +
" Default: %(default)s")
parser.add_argument('--dkey-out',
default="bob.cp.dkey",
dest='dkey',
type=str,
help="The name of the file in which to store" +
" the decryption key. Default: %(default)s")
parser.add_argument(
'attributes',
nargs=argparse.REMAINDER,
help="The attributes used to construct the secret key.")
args = parser.parse_args()
group = PairingGroup('SS512')
msk = read_key_from_file(args.msk, group)
mpk = read_key_from_file(args.mpk, group)
attributes = [a.upper() for a in args.attributes]
dec_key = cpabe_keygen(group, msk, mpk, attributes)
write_key_to_file(args.dkey, dec_key, group)
def main():
"""Wrapper function to generate decryption keys for the
Bethencourt2007cae CP-ABE Scheme.
"""
parser = argparse.ArgumentParser(
description="Generates decryption keys from a set of attributes" +
" for the BSW2007cae CP-ABE Scheme.")
parser.add_argument('--mpk',
required=True,
dest='mpk',
type=str,
help="The name of the Public Parameters." +
" Default: %(default)s")
parser.add_argument('--msk',
required=True,
dest='msk',
type=str,
help="The name of the Master Secret Key." +
" Default: %(default)s")
parser.add_argument('--dkey-out',
default="bob.cp.dkey",
dest='dkey',
type=str,
help="The name of the file in which to store" +
" the decryption key. Default: %(default)s")
parser.add_argument('attributes',
nargs=argparse.REMAINDER,
help="The attributes used to construct the secret key.")
args = parser.parse_args()
group = PairingGroup('SS512')
msk = read_key_from_file(args.msk, group)
mpk = read_key_from_file(args.mpk, group)
attributes = [a.upper() for a in args.attributes]
dec_key = cpabe_keygen(group, msk, mpk, attributes)
write_key_to_file(args.dkey, dec_key, group)
def main():
"""Wrapper function to generate decryption keys for the
Lewko2008rsw KP-ABE Scheme."""
parser = argparse.ArgumentParser(
description="Generates decryption keys from a policy" + " for the Lewko2008rsw KP-ABE Scheme."
)
parser.add_argument(
"--mpk",
required=True,
dest="mpk",
type=str,
help="The name of the Public Parameters." + " Default: %(default)s",
)
parser.add_argument(
"--msk",
required=True,
dest="msk",
type=str,
help="The name of the Master Secret Key." + " Default: %(default)s",
)
parser.add_argument(
"--dkey-out",
default="bob.kp.dkey",
dest="dkey",
type=str,
help="The name of the file in which to store" + " the decryption key. Default: %(default)s",
)
parser.add_argument("policy", help="The policy used to construct the secret key.")
args = parser.parse_args()
group = PairingGroup("MNT224")
msk = read_key_from_file(args.msk, group)
mpk = read_key_from_file(args.mpk, group)
dec_key = kpabe_keygen(group, msk, mpk, args.policy)
write_key_to_file(args.dkey, dec_key, group)
def main():
"""Wrapper function to generate decryption keys for the
Lewko2008rsw KP-ABE Scheme."""
parser = argparse.ArgumentParser(
description="Generates decryption keys from a policy" +
" for the Lewko2008rsw KP-ABE Scheme.")
parser.add_argument('--mpk',
required=True,
dest='mpk',
type=str,
help="The name of the Public Parameters." +
" Default: %(default)s")
parser.add_argument('--msk',
required=True,
dest='msk',
type=str,
help="The name of the Master Secret Key." +
" Default: %(default)s")
parser.add_argument('--dkey-out',
default="bob.kp.dkey",
dest='dkey',
type=str,
help="The name of the file in which to store" +
" the decryption key. Default: %(default)s")
parser.add_argument('policy',
help="The policy used to construct the secret key.")
args = parser.parse_args()
group = PairingGroup('MNT224')
msk = read_key_from_file(args.msk, group)
mpk = read_key_from_file(args.mpk, group)
dec_key = kpabe_keygen(group, msk, mpk, args.policy)
write_key_to_file(args.dkey, dec_key, group)
