def main():
global group
group = PairingGroup('BN256')
chch.group = group
hess.group = group
(g2, alpha, P) = chch.setup()
pklist = {}
sklist = {}
for z in range(0, N):
(pklist[z], sklist[z]) = chch.keygen(alpha, "test" + str(z))
Mlist = ["test" + str(z) for z in range(0, N)]
S1clist = {}
S2clist = {}
for z in range(0, N):
(S1clist[z], S2clist[z]) = chch.sign(pklist[z], sklist[z], Mlist[z])
assert chch.verify(P, g2, pklist[z], Mlist[z], S1clist[z], S2clist[z]), "invalid signature generated"
print("sign & verify for chch: ", z)
S1hlist = {}
S2hlist = {}
for z in range(0, N):
(S1hlist[z], S2hlist[z]) = hess.sign(pklist[z], sklist[z], Mlist[z], g2)
assert hess.verify(P, g2, pklist[z], Mlist[z], S1hlist[z], S2hlist[z]), "invalid signature generated"
print("sign & verify for hess: ", z)
assert verify(S1hlist[0], S2hlist[0], S1clist[0], S2clist[0], pklist[0], P, g2, Mlist[0]), "indiv. verification failed for chch-hess combo"
print("Successful combo verification!!!")
incorrectIndices = batchverify(g2, P, S1clist, pklist, Mlist, S2clist, S2hlist, S1hlist, [])
print("incorrectIndices: ", incorrectIndices)
def generate_signatures_main(argv, same_signer=True):
if ( (len(argv) != 7) or (argv[1] == "-help") or (argv[1] == "--help") ):
sys.exit("Usage: python " + argv[0] + " [# of valid messages] [# of invalid messages] [size of each message] [prefix name of each message] [name of valid output dictionary] [name of invalid output dictionary]")
global group, prefixName
group = PairingGroup('BN256')
chch.group = group
#setup parameters
numValidMessages = int(sys.argv[1])
numInvalidMessages = int(sys.argv[2])
messageSize = int(sys.argv[3])
prefixName = sys.argv[4]
validOutputDictName = sys.argv[5]
invalidOutputDictName = sys.argv[6]
# 1. generate keys
(g2, alpha, P) = chch.setup()
f_mpk = open('mpk.charmPickle', 'wb')
# 2. serialize the pk's
pick_mpk = objectToBytes({ 'g2':g2, 'P':P }, group)
f_mpk.write(pick_mpk)
f_mpk.close()
pklist = {}
sklist = {}
for z in range(0, numValidMessages):
(pklist[z], sklist[z]) = chch.keygen(alpha, "username" + str(z) + "@email.com")
f_pk = open('pk.charmPickle', 'wb')
# 2. serialize the pk's
pick_pk = objectToBytes( pklist, group)
f_pk.write(pick_pk)
f_pk.close()
validOutputDict = {}
validOutputDict[0] = {}
validOutputDict[0]['mpk'] = 'mpk.charmPickle'
validOutputDict[0]['pk'] = 'pk.charmPickle'
invalidOutputDict = {}
invalidOutputDict[0] = {}
invalidOutputDict[0]['mpk'] = 'mpk.charmPickle'
invalidOutputDict[0]['pk'] = 'pk.charmPickle'
# 3. pass right arguments at the end
genOutputDictFile(numValidMessages, messageSize, 'mpk.charmPickle', 'pk.charmPickle', validOutputDict, validOutputDictName, '_ValidMessage.pythonPickle', '_ValidSignature.charmPickle', True, pklist, sklist, P, g2)
genOutputDictFile(numInvalidMessages, messageSize, 'mpk.charmPickle', 'pk.charmPickle', invalidOutputDict, invalidOutputDictName, '_InvalidMessage.pythonPickle', '_InvalidSignature.charmPickle', False, pklist, sklist, P, g2)
return
def generate_signatures_main(argv, same_signer=True):
if (len(argv) != 7) or (argv[1] == "-help") or (argv[1] == "--help"):
sys.exit(
"Usage: python "
+ argv[0]
+ " [# of valid messages] [# of invalid messages] [size of each message] [prefix name of each message] [name of valid output dictionary] [name of invalid output dictionary]"
)
global group, prefixName
group = PairingGroup("BN256")
chch.group = group
# setup parameters
numValidMessages = int(sys.argv[1])
numInvalidMessages = int(sys.argv[2])
messageSize = int(sys.argv[3])
prefixName = sys.argv[4]
validOutputDictName = sys.argv[5]
invalidOutputDictName = sys.argv[6]
# 1. generate keys
(g2, alpha, P) = chch.setup()
f_mpk = open("mpk.charmPickle", "wb")
# 2. serialize the pk's
pick_mpk = objectToBytes({"g2": g2, "P": P}, group)
f_mpk.write(pick_mpk)
f_mpk.close()
pklist = {}
sklist = {}
for z in range(0, numValidMessages):
(pklist[z], sklist[z]) = chch.keygen(alpha, "username" + str(z) + "@email.com")
f_pk = open("pk.charmPickle", "wb")
# 2. serialize the pk's
pick_pk = objectToBytes(pklist, group)
f_pk.write(pick_pk)
f_pk.close()
validOutputDict = {}
validOutputDict[0] = {}
validOutputDict[0]["mpk"] = "mpk.charmPickle"
validOutputDict[0]["pk"] = "pk.charmPickle"
invalidOutputDict = {}
invalidOutputDict[0] = {}
invalidOutputDict[0]["mpk"] = "mpk.charmPickle"
invalidOutputDict[0]["pk"] = "pk.charmPickle"
# 3. pass right arguments at the end
genOutputDictFile(
numValidMessages,
messageSize,
"mpk.charmPickle",
"pk.charmPickle",
validOutputDict,
validOutputDictName,
"_ValidMessage.pythonPickle",
"_ValidSignature.charmPickle",
True,
pklist,
sklist,
P,
g2,
)
genOutputDictFile(
numInvalidMessages,
messageSize,
"mpk.charmPickle",
"pk.charmPickle",
invalidOutputDict,
invalidOutputDictName,
"_InvalidMessage.pythonPickle",
"_InvalidSignature.charmPickle",
False,
pklist,
sklist,
P,
g2,
)
return