Пример #1
0
    def test_create(self):
        with coconut_contract.test_service():

            ## create transaction
            # init
            init_transaction = coconut.init()
            token = init_transaction['transaction']['outputs'][0]
            # create instance
            transaction = coconut.create(
                (token,),
                None,
                None,
                q,
                t,
                n,
                callback, 
                vvk,
                sig
            )

            ## submit transaction
            response = requests.post(
                'http://127.0.0.1:5000/' + coconut_contract.contract_name 
                + '/create', json=transaction_to_solution(transaction)
            )
            self.assertTrue(response.json()['success'])
def main():
    coconut.contract._populate_empty_checkers()
    print "operation\t\tmean (ms)\t\tsd (ms)\t\truns"

    # == init ===============
    init_tx = coconut.init()

    # == create ===============
    # gen
    times = []
    for i in range(RUNS):
        start_time = time.time()
        coconut.create((init_tx['transaction']['outputs'][0], ), None, None, q,
                       t, n, callback, vvk, auth_sig)
        end_time = time.time()
        times.append((end_time - start_time) * 1000)
    mean = numpy.mean(times)
    sd = numpy.std(times)
    print "[g] create tx\t{:.10f}\t\t{:.10f}\t{}".format(mean, sd, RUNS)

    # check
    create_tx = coconut.create((init_tx['transaction']['outputs'][0], ), None,
                               None, q, t, n, callback, vvk, auth_sig)
    solution = transaction_to_solution(create_tx)
    times = []
    for i in range(RUNS):
        start_time = time.time()
        coconut.contract.checkers['create'](
            solution['inputs'],
            solution['referenceInputs'],
            solution['parameters'],
            solution['outputs'],
            solution['returns'],
            solution['dependencies'],
        )
        end_time = time.time()
        times.append((end_time - start_time) * 1000)
    mean = numpy.mean(times)
    sd = numpy.std(times)
    print "[c] create tx\t{:.10f}\t\t{:.10f}\t{}".format(mean, sd, RUNS)

    # == request ===============
    # gen
    times = []
    for i in range(RUNS):
        start_time = time.time()
        coconut.request((create_tx['transaction']['outputs'][1], ), None, None,
                        clear_m, hidden_m, pub)
        end_time = time.time()
        times.append((end_time - start_time) * 1000)
    mean = numpy.mean(times)
    sd = numpy.std(times)
    print "[g] request tx\t{:.10f}\t\t{:.10f}\t{}".format(mean, sd, RUNS)

    # check
    request_tx = coconut.request((create_tx['transaction']['outputs'][1], ),
                                 None, None, clear_m, hidden_m, pub)
    solution = transaction_to_solution(request_tx)
    times = []
    for i in range(RUNS):
        start_time = time.time()
        coconut.contract.checkers['request'](
            solution['inputs'],
            solution['referenceInputs'],
            solution['parameters'],
            solution['outputs'],
            solution['returns'],
            solution['dependencies'],
        )
        end_time = time.time()
        times.append((end_time - start_time) * 1000)
    mean = numpy.mean(times)
    sd = numpy.std(times)
    print "[c] request tx\t{:.10f}\t\t{:.10f}\t{}".format(mean, sd, RUNS)

    # == issue ===============
    # gen
    times = []
    for i in range(RUNS):
        start_time = time.time()
        coconut.issue((request_tx['transaction']['outputs'][1], ), None, None,
                      sk[0], 0)
        end_time = time.time()
        times.append((end_time - start_time) * 1000)
    mean = numpy.mean(times)
    sd = numpy.std(times)
    print "[g] issue tx\t{:.10f}\t\t{:.10f}\t{}".format(mean, sd, RUNS)

    # check
    issue_tx = coconut.issue((request_tx['transaction']['outputs'][1], ), None,
                             None, sk[0], 0)
    solution = transaction_to_solution(issue_tx)
    times = []
    for i in range(RUNS):
        start_time = time.time()
        coconut.contract.checkers['issue'](
            solution['inputs'],
            solution['referenceInputs'],
            solution['parameters'],
            solution['outputs'],
            solution['returns'],
            solution['dependencies'],
        )
        end_time = time.time()
        times.append((end_time - start_time) * 1000)
    mean = numpy.mean(times)
    sd = numpy.std(times)
    print "[c] issue tx\t{:.10f}\t\t{:.10f}\t{}".format(mean, sd, RUNS)

    # == verify ===============
    # gen

    # issue t signatures
    old_request = request_tx['transaction']['outputs'][1]
    for i in range(t):
        transaction = coconut.issue((old_request, ), None, None, sk[i], i)
        old_request = transaction['transaction']['outputs'][0]

    # some crypto
    # ------------------------------------
    packet = loads(old_request)['sigs']
    (indexes, packed_enc_sigs) = zip(*packet)
    (h, packed_enc_epsilon) = zip(*packed_enc_sigs)
    enc_epsilon = [(unpackG1(params, x[0]), unpackG1(params, x[1]))
                   for x in packed_enc_epsilon]
    dec_sigs = [(unpackG1(params, h[0]), elgamal_dec(params, priv, enc))
                for enc in enc_epsilon]
    aggr = aggregate_th_sign(params, dec_sigs)
    aggr = randomize(params, aggr)
    packed_sig = (pack(aggr[0]), pack(aggr[1]))
    # ------------------------------------

    times = []
    for i in range(RUNS):
        start_time = time.time()
        coconut.verify(None, (create_tx['transaction']['outputs'][1], ),
                       (packed_sig, ), clear_m, hidden_m)
        end_time = time.time()
        times.append((end_time - start_time) * 1000)
    mean = numpy.mean(times)
    sd = numpy.std(times)
    print "[g] verify tx\t{:.10f}\t\t{:.10f}\t{}".format(mean, sd, RUNS)

    # check
    verify_tx = coconut.verify(None,
                               (create_tx['transaction']['outputs'][1], ),
                               (packed_sig, ), clear_m, hidden_m)
    solution = transaction_to_solution(verify_tx)
    times = []
    for i in range(RUNS):
        start_time = time.time()
        coconut.contract.checkers['verify'](
            solution['inputs'],
            solution['referenceInputs'],
            solution['parameters'],
            solution['outputs'],
            solution['returns'],
            solution['dependencies'],
        )
        end_time = time.time()
        times.append((end_time - start_time) * 1000)
    mean = numpy.mean(times)
    sd = numpy.std(times)
    print "[c] verify tx\t{:.10f}\t\t{:.10f}\t{}".format(mean, sd, RUNS)
    '''
Пример #3
0
    def test_verify(self):
        with coconut_contract.test_service():

            ## create transactions
            # init
            init_transaction = coconut.init()
            token = init_transaction['transaction']['outputs'][0]
            # create instance
            create_transaction = coconut.create(
                (token,),
                None,
                None,
                q,
                t,
                n,
                callback, 
                vvk,
                sig
            )
            instance = create_transaction['transaction']['outputs'][1]
            # request
            request_transaction = coconut.request(
                (instance,),
                None,
                None,
                clear_m, 
                hidden_m, 
                pub
            )
            old_request = request_transaction['transaction']['outputs'][1]

            # issue t signatures
            for i in range(t):
                transaction = coconut.issue(
                    (old_request,),
                    None,
                    None,
                    sk[i],
                    i
                )
                old_request = transaction['transaction']['outputs'][0]

            # some crypto
            # ------------------------------------
            packet = loads(old_request)['sigs']
            (indexes, packed_enc_sigs) = zip(*packet)
            (h, packed_enc_epsilon) = zip(*packed_enc_sigs)
            enc_epsilon = [(unpackG1(params,x[0]), unpackG1(params,x[1])) for x in packed_enc_epsilon]
            dec_sigs = [(unpackG1(params,h[0]), elgamal_dec(params, priv, enc)) for enc in enc_epsilon]
            aggr = aggregate_th_sign(params, dec_sigs)
            aggr = randomize(params, aggr)
            packed_sig = (pack(aggr[0]),pack(aggr[1]))
            # ------------------------------------

            # verify signature
            start_time = time.time()
            transaction = coconut.verify(
                None,
                (instance,),
                (packed_sig,),
                clear_m,
                hidden_m
            )
            end_time = time.time(); print((end_time-start_time)*1000)

            ## submit t ransaction
            response = requests.post(
                'http://127.0.0.1:5000/' + coconut_contract.contract_name 
                + '/verify', json=transaction_to_solution(transaction)
            )
            self.assertTrue(response.json()['success'])

            print("\n\n=================== VERIFICATION ===================\n")
            print(transaction['transaction']['returns'][0])
            print("\n====================================================\n\n")
Пример #4
0
    def test_issue(self):
        with coconut_contract.test_service():

            ## create transactions
            # init
            init_transaction = coconut.init()
            token = init_transaction['transaction']['outputs'][0]
            # create instance
            create_transaction = coconut.create(
                (token,),
                None,
                None,
                q,
                t,
                n,
                callback, 
                vvk,
                sig
            )
            instance = create_transaction['transaction']['outputs'][1]
            # request
            request_transaction = coconut.request(
                (instance,),
                None,
                None,
                clear_m, 
                hidden_m, 
                pub
            )
            old_request = request_transaction['transaction']['outputs'][1]

            # issue a signatures
            transaction = coconut.issue(
                (old_request,),
                None,
                None,
                sk[0],
                0
            )
            old_request = transaction['transaction']['outputs'][0]

            ## submit transaction
            response = requests.post(
                'http://127.0.0.1:5000/' + coconut_contract.contract_name 
                + '/issue', json=transaction_to_solution(transaction)
            )
            self.assertTrue(response.json()['success'])

            # issue the other t-1 signatures
            for i in range(1,t):
                transaction = coconut.issue(
                    (old_request,),
                    None,
                    None,
                    sk[i],
                    i
                )
                old_request = transaction['transaction']['outputs'][0]

            # some crypto - to show that this actually works
            # ------------------------------------
            packet = loads(old_request)['sigs']
            (indexes, packed_enc_sigs) = zip(*packet)
            (h, packed_enc_epsilon) = zip(*packed_enc_sigs)
            enc_epsilon = [(unpackG1(params,x[0]), unpackG1(params,x[1])) for x in packed_enc_epsilon]
            dec_sigs = [(unpackG1(params,h[0]), elgamal_dec(params, priv, enc)) for enc in enc_epsilon]
            aggr = aggregate_th_sign(params, dec_sigs)
            aggr = randomize(params, aggr)
            (kappa, proof_v) = show_mix_sign(params, vvk, hidden_m)
            print("\n\n=================== VERIFICATION ===================\n")
            print(mix_verify(params, vvk, kappa, aggr, proof_v, clear_m))
            print("\n====================================================\n\n")