Пример #1
0
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)
Пример #2
0
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
Пример #3
0
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