def init():
try:
uid = until.get_mac_address()
p = session.get(uid+'p')
a = session.get(uid+'a')
b = session.get(uid+'b')
n = session.get(uid+'n')
secp = session.get(uid+'secp')
if secp == 'secp256k1':
params = blind_demo.choose_parameters_secp256k1()
elif secp == 'secp192k1':
params = blind_demo.choose_parameters_secp192k1()
orig_h = until.getObjFromSession(uid+'h_bytes',params.group)
orig_g = until.getObjFromSession(uid+'g_bytes',params.group)
orig_x = until.getObjFromSession(uid+'x_bytes',params.group)
orig_y = until.getObjFromSession(uid+'y_bytes',params.group)
orig_z = until.getObjFromSession(uid+'z_bytes',params.group)
orig_gamma = until.getObjFromSession(uid+'gamma_bytes',params.group)
orig_xi = until.getObjFromSession(uid+'xi_bytes',params.group)
rjson = str(p) + '#' + str(a) + '#' + str(b) + '#' + str(n) + '#' + str(orig_g) + '#' + str(orig_h) \
+ '#' + str(secp) + "#" + str(orig_x) + '#' + str(orig_y) + '#' + str(orig_z) + '#' + str(orig_gamma) + '#' + str(orig_xi)
return rjson
except Exception:
return '0'
def issuerkey():
try:
uid = until.get_mac_address()
secp = session.get(uid+'secp')
print(session.get(uid+'secp'))
if secp == 'secp256k1':
params = blind_demo.choose_parameters_secp256k1()
elif secp == 'secp192k1':
params = blind_demo.choose_parameters_secp192k1()
orig_h = until.getObjFromSession(uid+'h_bytes',params.group)
orig_g = until.getObjFromSession(uid+'g_bytes',params.group)
issuerparams = blind_demo.issuer_choose_keypair(params.group,orig_g)
x = issuerparams.x
y = issuerparams.y
until.putBytesToSession(uid+'x_bytes', x, params.group)
until.putBytesToSession(uid+'y_bytes', y, params.group)
print(y)
z = blind_demo.gnerate_common_z(params.group, orig_g, orig_h, y)
until.putBytesToSession(uid+'z_bytes',z, params.group)
rjson = str(x) + "#" + str(y) + "#" + str(z)
return rjson
except Exception:
return '0'
def userkey():
try:
uid = until.get_mac_address()
secp = session.get(uid+'secp')
print(session.get(uid+'secp'))
print(secp)
if secp == 'secp256k1':
params = blind_demo.choose_parameters_secp256k1()
elif secp == 'secp192k1':
params = blind_demo.choose_parameters_secp192k1()
orig_g = until.getObjFromSession(uid+'g_bytes',params.group)
userparams = blind_demo.user_choose_keypair(params.group,orig_g)
xi = userparams.xi
gamma = userparams.gamma
until.putBytesToSession(uid+'gamma_bytes',gamma, params.group)
until.putBytesToSession(uid+'xi_bytes',xi, params.group)
rjson = str(gamma) + '#' + str(xi)
print(rjson)
return rjson
except Exception:
return '0'
def getCred():
try:
uid = until.get_mac_address()
print("-----------------")
print(uid)
print("-----------------")
secp = session.get(uid + 'secp')
if secp == 'secp256k1':
params = blind_demo.choose_parameters_secp256k1()
elif secp == 'secp192k1':
params = blind_demo.choose_parameters_secp192k1()
orig_y = until.getObjFromSession(uid + 'y_bytes', params.group)
orig_zeta1 = until.getObjFromSession(uid + 'zeta1_bytes', params.group)
orig_omega = until.getObjFromSession(uid + 'omega_bytes', params.group)
orig_sigma1 = until.getObjFromSession(uid + 'sigma1_bytes',
params.group)
orig_sigma2 = until.getObjFromSession(uid + 'sigma2_bytes',
params.group)
orig_delta = until.getObjFromSession(uid + 'delta_bytes', params.group)
orig_rho = until.getObjFromSession(uid + 'rho_bytes', params.group)
m = session.get(uid + 'm')
rjson = str(orig_y) + '#' + str(orig_zeta1) + '#' + str(
orig_rho) + '#' + str(orig_omega) + '#' + str(
orig_sigma1) + '#' + str(orig_sigma2) + '#' + str(
orig_delta) + '#' + str(m)
return rjson
except Exception as e:
return "0"
def setParamsIssuer():
try:
uid = until.get_mac_address()
secp = session.get(uid + 'secp')
if secp == 'secp256k1':
params = blind_demo.choose_parameters_secp256k1()
elif secp == 'secp192k1':
params = blind_demo.choose_parameters_secp192k1()
upsilon, mu, s1, s2, d = blind_demo.get_random_ZR(
params.group), blind_demo.get_random_ZR(
params.group), blind_demo.get_random_ZR(
params.group), blind_demo.get_random_ZR(
params.group), blind_demo.get_random_ZR(params.group)
until.putBytesToSession(uid + 'upsilon_bytes', upsilon, params.group)
until.putBytesToSession(uid + 'mu_bytes', mu, params.group)
until.putBytesToSession(uid + 's1_bytes', s1, params.group)
until.putBytesToSession(uid + 's2_bytes', s2, params.group)
until.putBytesToSession(uid + 'd_bytes', d, params.group)
rjson = str(upsilon) + '#' + str(mu) + '#' + str(s1) + '#' + str(
s2) + '#' + str(d)
return rjson
except Exception as e:
print(e)
return "0"
def setup():
try:
uid = until.get_mac_address()
secp = str(request.form['secp'])
(
p,
a,
b,
n,
g,
h
) = (
0,
0,
0,
0,
None,
None
)
if secp == 'secp256k1':
params = blind_demo.choose_parameters_secp256k1()
p = 115792089237316195423570985008687907853269984665640564039457584007908834671663
a = 0
b = 7
n = 115792089237316195423570985008687907852837564279074904382605163141518161494337
g = params.g
h = params.h
elif secp == 'secp192k1':
params = blind_demo.choose_parameters_secp192k1()
p = 6277101735386680763835789423207666416102355444459739541047
a = 0
b = 3
n = 6277101735386680763835789423061264271957123915200845512077
g = params.g
h = params.h
until.putBytesToSession(uid+'g_bytes', g, params.group)
until.putBytesToSession(uid+'h_bytes', h, params.group)
session[uid+'p'] = p
session[uid+'a'] = a
session[uid+'b'] = b
session[uid+'n'] = n
session[uid+'secp'] = secp
print(session.get(uid+'secp'))
rjson = str(p) + '#' + str(a) + '#' + str(b) + '#' + str(n) + '#' + str(g) + '#' + str(h)
return rjson
except Exception:
return '0'
def verifyCred():
try:
uid = until.get_mac_address()
secp = session.get(uid + 'secp')
if secp == 'secp256k1':
params = blind_demo.choose_parameters_secp256k1()
elif secp == 'secp192k1':
params = blind_demo.choose_parameters_secp192k1()
m = session.get(uid + 'm')
orig_y = until.getObjFromSession(uid + 'y_bytes', params.group)
orig_zeta1 = until.getObjFromSession(uid + 'zeta1_bytes', params.group)
orig_zeta2 = until.getObjFromSession(uid + 'zeta2_bytes', params.group)
orig_omega = until.getObjFromSession(uid + 'omega_bytes', params.group)
orig_sigma1 = until.getObjFromSession(uid + 'sigma1_bytes',
params.group)
orig_sigma2 = until.getObjFromSession(uid + 'sigma2_bytes',
params.group)
orig_delta = until.getObjFromSession(uid + 'delta_bytes', params.group)
orig_rho = until.getObjFromSession(uid + 'rho_bytes', params.group)
orig_z = until.getObjFromSession(uid + 'z_bytes', params.group)
orig_g = until.getObjFromSession(uid + 'g_bytes', params.group)
orig_h = until.getObjFromSession(uid + 'h_bytes', params.group)
alpha_bytes = until.getObjFromSession(uid + 'alpha_bytes',
params.group)
beta1_bytes = until.getObjFromSession(uid + 'beta1_bytes',
params.group)
beta2_bytes = until.getObjFromSession(uid + 'beta2_bytes',
params.group)
print("alpha_bytes", alpha_bytes)
print("beta1_bytes", beta1_bytes)
print("beta2_bytes", beta2_bytes)
lhs, rhs = blind_demo.verify(orig_rho, orig_omega, orig_delta,
orig_sigma1, orig_sigma2, orig_h, orig_g,
m, orig_y, orig_zeta1, orig_zeta2, orig_z,
params)
rjson = str(lhs) + ',' + str(rhs)
return rjson
except Exception as e:
print(e)
return "0"
def issuing():
uid = until.get_mac_address()
secp = session.get(uid + 'secp')
if secp == 'secp256k1':
params = blind_demo.choose_parameters_secp256k1()
elif secp == 'secp192k1':
params = blind_demo.choose_parameters_secp192k1()
yt = str(request.args.get('pk'))
orig_y = until.point2Obj(int(yt), params.group)
contractAddress = str(request.args.get('contractAddress'))
until.putBytesToSession(uid + 'yt_bytes', orig_y, params.group)
session[uid + 'cas'] = contractAddress
return render_template('issuing.html')
def issuerExecuteTwo():
try:
issuer = getIssuerObj()
uid = until.get_mac_address()
print(issuer.parameters.group)
orig_zu = until.getObjFromSession(uid + 'zu_bytes',
issuer.parameters.group)
orig_upsilon = until.getObjFromSession(uid + 'upsilon_bytes',
issuer.parameters.group)
orig_mu = until.getObjFromSession(uid + 'mu_bytes',
issuer.parameters.group)
orig_s1 = until.getObjFromSession(uid + 's1_bytes',
issuer.parameters.group)
orig_s2 = until.getObjFromSession(uid + 's2_bytes',
issuer.parameters.group)
orig_d = until.getObjFromSession(uid + 'd_bytes',
issuer.parameters.group)
#tracerparams = blind_demo.tracer_choose_keypair(issuer.parameters.group,issuer.g)
#xt = tracerparams.yt
#yt = tracerparams.yt
#until.putBytesToSession('xt_bytes', xt, issuer.parameters.group)
#until.putBytesToSession('yt_bytes', yt, issuer.parameters.group)
orig_yt = until.getObjFromSession(uid + 'yt_bytes',
issuer.parameters.group)
z1, z2, a, b1, b2 = issuer.protocol_two(orig_yt, orig_upsilon, orig_zu,
orig_mu, orig_s1, orig_s2,
orig_d)
until.putBytesToSession(uid + 'z1_bytes', z1, issuer.parameters.group)
until.putBytesToSession(uid + 'z2_bytes', z2, issuer.parameters.group)
until.putBytesToSession(uid + 'a_bytes', a, issuer.parameters.group)
until.putBytesToSession(uid + 'b1_bytes', b1, issuer.parameters.group)
until.putBytesToSession(uid + 'b2_bytes', b2, issuer.parameters.group)
rjson = str(z1) + '#' + str(z2) + '#' + str(a) + '#' + str(
b1) + '#' + str(b2)
return rjson
except Exception as e:
print(e)
return "0"
def getIssuerObj():
try:
uid = until.get_mac_address()
secp = session.get(uid + 'secp')
if secp == 'secp256k1':
params = blind_demo.choose_parameters_secp256k1()
elif secp == 'secp192k1':
params = blind_demo.choose_parameters_secp192k1()
orig_h = until.getObjFromSession(uid + 'h_bytes', params.group)
orig_g = until.getObjFromSession(uid + 'g_bytes', params.group)
orig_x = until.getObjFromSession(uid + 'x_bytes', params.group)
orig_y = until.getObjFromSession(uid + 'y_bytes', params.group)
orig_z = until.getObjFromSession(uid + 'z_bytes', params.group)
issuer = blind_demo.Issuer(orig_g, orig_h, orig_x, orig_y, orig_z,
params)
print(issuer.parameters)
"""
if session.get('upsilon_bytes')!=None:
orig_upsilon = until.getObjFromSession('upsilon_bytes',params.group)
if session.get('mu_bytes')!=None:
orig_mu = until.getObjFromSession('mu_bytes',params.group)
if session.get('d_bytes')!=None:
orig_d = until.getObjFromSession('d_bytes',params.group)
if session.get('s1_bytes')!=None:
orig_s1 = until.getObjFromSession('s1_bytes',params.group)
if session.get('s2_bytes')!=None:
orig_s2 = until.getObjFromSession('s2_bytes',params.group)
issuer.start(orig_z,orig_upsilon,orig_mu,orig_d,orig_s1,orig_s2)
"""
return issuer
except Exception:
return None
def issuerExecuteFour():
try:
issuer = getIssuerObj()
uid = until.get_mac_address()
orig_e = until.getObjFromSession(uid + 'e_bytes',
issuer.parameters.group)
orig_d = until.getObjFromSession(uid + 'd_bytes',
issuer.parameters.group)
orig_mu = until.getObjFromSession(uid + 'mu_bytes',
issuer.parameters.group)
r, c = issuer.protocol_four(orig_e, orig_d, orig_mu)
until.putBytesToSession(uid + 'r_bytes', r, issuer.parameters.group)
until.putBytesToSession(uid + 'c_bytes', c, issuer.parameters.group)
rjson = str(r) + '#' + str(c)
return rjson
except Exception as e:
print(e)
return "0"
def issuerExecuteSix():
try:
uid = until.get_mac_address()
contractAddress = session.get(uid + 'cas')
issuer = getIssuerObj()
orig_xi = until.getObjFromSession(uid + 'xi_bytes',
issuer.parameters.group)
orig_upsilon = until.getObjFromSession(uid + 'upsilon_bytes',
issuer.parameters.group)
xiupsilon = issuer.protocol_six(orig_xi, orig_upsilon)
until.putBytesToSession(uid + 'xiupsilon_bytes', xiupsilon,
issuer.parameters.group)
rjson = str(orig_xi) + "#" + str(xiupsilon) + "#" + str(
contractAddress)
return rjson
except Exception as e:
print(e)
return "0"
def initgamma():
try:
uid = until.get_mac_address()
secp = session.get(uid + 'secp')
if secp == 'secp256k1':
params = blind_demo.choose_parameters_secp256k1()
elif secp == 'secp192k1':
params = blind_demo.choose_parameters_secp192k1()
orig_z = until.getObjFromSession(uid + 'z_bytes', params.group)
orig_zu = until.getObjFromSession(uid + 'zu_bytes', params.group)
orig_xi = until.getObjFromSession(uid + 'xi_bytes', params.group)
orig_gamma = until.getObjFromSession(uid + 'gamma_bytes', params.group)
orig_y = until.getObjFromSession(uid + 'y_bytes', params.group)
rjson1 = str(orig_gamma) + '#' + str(orig_xi) + '#' + str(
orig_z) + '#' + str(orig_zu) + '#' + str(orig_y)
orig_zu = until.getObjFromSession(uid + 'zu_bytes', params.group)
# protocol two
orig_upsilon = until.getObjFromSession(uid + 'upsilon_bytes',
params.group)
orig_mu = until.getObjFromSession(uid + 'mu_bytes', params.group)
orig_d = until.getObjFromSession(uid + 'd_bytes', params.group)
orig_s1 = until.getObjFromSession(uid + 's1_bytes', params.group)
orig_s2 = until.getObjFromSession(uid + 's2_bytes', params.group)
orig_z1 = until.getObjFromSession(uid + 'z1_bytes', params.group)
orig_z2 = until.getObjFromSession(uid + 'z2_bytes', params.group)
orig_a = until.getObjFromSession(uid + 'a_bytes', params.group)
orig_b1 = until.getObjFromSession(uid + 'b1_bytes', params.group)
orig_b2 = until.getObjFromSession(uid + 'b2_bytes', params.group)
rjson2 = str(orig_upsilon) + '#' + str(orig_mu) + '#' + str(
orig_d) + '#' + str(orig_s1) + '#' + str(orig_s2) + '#' + str(
orig_z1) + '#' + str(orig_z2) + '#' + str(orig_a) + '#' + str(
orig_b1) + '#' + str(orig_b2)
# protocol three
orig_t1 = until.getObjFromSession(uid + 't1_bytes', params.group)
orig_t2 = until.getObjFromSession(uid + 't2_bytes', params.group)
orig_t3 = until.getObjFromSession(uid + 't3_bytes', params.group)
orig_t4 = until.getObjFromSession(uid + 't4_bytes', params.group)
orig_t5 = until.getObjFromSession(uid + 't5_bytes', params.group)
orig_zeta1 = until.getObjFromSession(uid + 'zeta1_bytes', params.group)
orig_zeta2 = until.getObjFromSession(uid + 'zeta2_bytes', params.group)
orig_alpha = until.getObjFromSession(uid + 'alpha_bytes', params.group)
orig_beta1 = until.getObjFromSession(uid + 'beta1_bytes', params.group)
orig_beta2 = until.getObjFromSession(uid + 'beta2_bytes', params.group)
orig_epsilon = until.getObjFromSession(uid + 'epsilon_bytes',
params.group)
orig_e = until.getObjFromSession(uid + 'e_bytes', params.group)
rjson3 = str(orig_t1) + '#' + str(orig_t2) + '#' + str(
orig_t3) + '#' + str(orig_t4) + '#' + str(orig_t5) + '#' + str(
orig_zeta1) + '#' + str(orig_zeta2) + '#' + str(
orig_alpha) + '#' + str(orig_b1) + '#' + str(
orig_beta1) + '#' + str(orig_beta2) + '#' + str(
orig_epsilon) + '#' + str(orig_e)
# protocol four
orig_c = until.getObjFromSession(uid + 'c_bytes', params.group)
orig_r = until.getObjFromSession(uid + 'r_bytes', params.group)
rjson4 = str(orig_c) + '#' + str(orig_r)
# protocol five
orig_rho = until.getObjFromSession(uid + 'rho_bytes', params.group)
orig_omega = until.getObjFromSession(uid + 'omega_bytes', params.group)
orig_sigma1 = until.getObjFromSession(uid + 'sigma1_bytes',
params.group)
orig_sigma2 = until.getObjFromSession(uid + 'sigma2_bytes',
params.group)
orig_delta = until.getObjFromSession(uid + 'delta_bytes', params.group)
rjson5 = str(orig_rho) + '#' + str(orig_omega) + '#' + str(
orig_sigma1) + '#' + str(orig_sigma2) + '#' + str(orig_delta)
rjson = rjson1 + '#' + rjson2 + '#' + rjson3 + '#' + rjson4 + '#' + rjson5
m = session.get('m')
if (m != None):
m = m.decode('utf-8')
else:
m = 'None'
rjson = rjson + '#' + m
contractAddress = session.get(uid + 'cas')
orig_xiupsilon = until.getObjFromSession(uid + 'xiupsilon_bytes',
params.group)
rjson = rjson + '#' + str(contractAddress) + '#' + str(orig_xiupsilon)
return rjson
except Exception:
return "0"