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 setParamsUser():
try:
secp = session.get('secp')
if secp == 'secp256k1':
params = blind_demo.choose_parameters_secp256k1()
elif secp == 'secp192k1':
params = blind_demo.choose_parameters_secp192k1()
elif secp == 'secp160k1':
params = blind_demo.choose_parameters_secp160k1()
t1, t2, t3, t4, t5 = 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)
blind_demo.putBytesToSession('t1_bytes',t1, params.group)
blind_demo.putBytesToSession('t2_bytes',t2, params.group)
blind_demo.putBytesToSession('t3_bytes',t3, params.group)
blind_demo.putBytesToSession('t4_bytes',t4, params.group)
blind_demo.putBytesToSession('t5_bytes',t5, params.group)
rjson = str(t1) + '#' + str(t2) + '#' + str(t3) + '#' + str(t4) + '#' + str(t5)
return rjson
except Exception as e:
print(e)
return "0"
def setParamsIssuer():
try:
secp = session.get('secp')
if secp == 'secp256k1':
params = blind_demo.choose_parameters_secp256k1()
elif secp == 'secp192k1':
params = blind_demo.choose_parameters_secp192k1()
elif secp == 'secp160k1':
params = blind_demo.choose_parameters_secp160k1()
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)
blind_demo.putBytesToSession('upsilon_bytes',upsilon, params.group)
blind_demo.putBytesToSession('mu_bytes',mu, params.group)
blind_demo.putBytesToSession('s1_bytes',s1, params.group)
blind_demo.putBytesToSession('s2_bytes',s2, params.group)
blind_demo.putBytesToSession('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 getUserObj():
try:
secp = session.get('secp')
if secp == 'secp256k1':
params = blind_demo.choose_parameters_secp256k1()
elif secp == 'secp192k1':
params = blind_demo.choose_parameters_secp192k1()
elif secp == 'secp160k1':
params = blind_demo.choose_parameters_secp160k1()
if session.get('g_bytes')!=None:
orig_g = blind_demo.getObjFromSession('g_bytes',params.group)
if session.get('h_bytes')!=None:
orig_h = blind_demo.getObjFromSession('h_bytes',params.group)
if session.get('z_bytes')!=None:
orig_z = blind_demo.getObjFromSession('z_bytes',params.group)
if session.get('gamma_bytes')!=None:
orig_gamma = blind_demo.getObjFromSession('gamma_bytes',params.group)
if session.get('xi_bytes')!=None:
orig_xi = blind_demo.getObjFromSession('xi_bytes',params.group)
if session.get('t1_bytes')!=None:
orig_t1 = blind_demo.getObjFromSession('t1_bytes',params.group)
if session.get('t2_bytes')!=None:
orig_t2 = blind_demo.getObjFromSession('t2_bytes',params.group)
if session.get('t3_bytes')!=None:
orig_t3 = blind_demo.getObjFromSession('t3_bytes',params.group)
if session.get('t4_bytes')!=None:
orig_t4 = blind_demo.getObjFromSession('t4_bytes',params.group)
if session.get('t5_bytes')!=None:
orig_t5 = blind_demo.getObjFromSession('t5_bytes',params.group)
if session.get('y_bytes')!=None:
orig_y = blind_demo.getObjFromSession('y_bytes',params.group)
print(4444444)
user = blind_demo.User(orig_g,orig_h,orig_gamma,orig_xi,params)
print(user)
print(2222)
print(orig_t1)
print(orig_t2)
print(orig_t3)
print(orig_t4)
print(orig_t5)
print(orig_z)
print(orig_y)
user.start(orig_t1, orig_t2, orig_t3, orig_t4, orig_t5, orig_z, orig_y)
return user
except Exception:
return None
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 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 getIssuerObj():
try:
secp = session.get('secp')
if secp == 'secp256k1':
params = blind_demo.choose_parameters_secp256k1()
elif secp == 'secp192k1':
params = blind_demo.choose_parameters_secp192k1()
elif secp == 'secp160k1':
params = blind_demo.choose_parameters_secp160k1()
orig_h = blind_demo.getObjFromSession('h_bytes',params.group)
orig_g = blind_demo.getObjFromSession('g_bytes',params.group)
orig_x = blind_demo.getObjFromSession('x_bytes',params.group)
orig_y = blind_demo.getObjFromSession('y_bytes',params.group)
orig_z = blind_demo.getObjFromSession('z_bytes',params.group)
if session.get('upsilon_bytes')!=None:
orig_upsilon = blind_demo.getObjFromSession('upsilon_bytes',params.group)
if session.get('mu_bytes')!=None:
orig_mu = blind_demo.getObjFromSession('mu_bytes',params.group)
if session.get('d_bytes')!=None:
orig_d = blind_demo.getObjFromSession('d_bytes',params.group)
if session.get('s1_bytes')!=None:
orig_s1 = blind_demo.getObjFromSession('s1_bytes',params.group)
if session.get('s2_bytes')!=None:
orig_s2 = blind_demo.getObjFromSession('s2_bytes',params.group)
issuer = blind_demo.Issuer(orig_g,orig_h,orig_x,orig_y,params)
issuer.start(orig_z,orig_upsilon,orig_mu,orig_d,orig_s1,orig_s2)
return issuer
except Exception:
return None
def initgamma():
try:
secp = session.get('secp')
print(secp)
if secp == 'secp256k1':
params = blind_demo.choose_parameters_secp256k1()
elif secp == 'secp192k1':
params = blind_demo.choose_parameters_secp192k1()
elif secp == 'secp160k1':
params = blind_demo.choose_parameters_secp160k1()
orig_z = blind_demo.getObjFromSession('z_bytes',params.group)
orig_zu = blind_demo.getObjFromSession('zu_bytes',params.group)
orig_xi = blind_demo.getObjFromSession('xi_bytes',params.group)
orig_gamma = blind_demo.getObjFromSession('gamma_bytes',params.group)
orig_y = blind_demo.getObjFromSession('y_bytes',params.group)
rjson1 = str(orig_gamma) + '#' + str(orig_xi) + '#' + str(orig_z) + '#' + str(orig_zu) + '#' + str(orig_y)
orig_zu = blind_demo.getObjFromSession('zu_bytes',params.group)
# protocol two
orig_upsilon = blind_demo.getObjFromSession('upsilon_bytes',params.group)
orig_mu = blind_demo.getObjFromSession('mu_bytes',params.group)
orig_d = blind_demo.getObjFromSession('d_bytes',params.group)
orig_s1 = blind_demo.getObjFromSession('s1_bytes',params.group)
orig_s2 = blind_demo.getObjFromSession('s2_bytes',params.group)
orig_z1 = blind_demo.getObjFromSession('z1_bytes',params.group)
orig_z2 = blind_demo.getObjFromSession('z2_bytes',params.group)
orig_a = blind_demo.getObjFromSession('a_bytes',params.group)
orig_b1 = blind_demo.getObjFromSession('b1_bytes',params.group)
orig_b2 = blind_demo.getObjFromSession('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 = blind_demo.getObjFromSession('t1_bytes',params.group)
orig_t2 = blind_demo.getObjFromSession('t2_bytes',params.group)
orig_t3 = blind_demo.getObjFromSession('t3_bytes',params.group)
orig_t4 = blind_demo.getObjFromSession('t4_bytes',params.group)
orig_t5 = blind_demo.getObjFromSession('t5_bytes',params.group)
orig_zeta1 = blind_demo.getObjFromSession('zeta1_bytes',params.group)
orig_zeta2 = blind_demo.getObjFromSession('zeta2_bytes',params.group)
orig_alpha = blind_demo.getObjFromSession('alpha_bytes',params.group)
orig_beta1 = blind_demo.getObjFromSession('beta1_bytes',params.group)
orig_beta2 = blind_demo.getObjFromSession('beta2_bytes',params.group)
orig_epsilon = blind_demo.getObjFromSession('epsilon_bytes',params.group)
orig_e = blind_demo.getObjFromSession('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)
rjson = rjson1 + '#' + rjson2 + '#' + rjson3
# protocol four
orig_c = blind_demo.getObjFromSession('c_bytes',params.group)
orig_r = blind_demo.getObjFromSession('r_bytes',params.group)
rjson4 = str(orig_c) + '#' + str(orig_r)
# protocol five
orig_rho = blind_demo.getObjFromSession('rho_bytes',params.group)
orig_omega = blind_demo.getObjFromSession('omega_bytes',params.group)
orig_sigma1 = blind_demo.getObjFromSession('sigma1_bytes',params.group)
orig_sigma2 = blind_demo.getObjFromSession('sigma2_bytes',params.group)
orig_delta = blind_demo.getObjFromSession('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('cas')
xiupsilon = session.get('xiupsilon')
rjson = rjson + '#' + str(contractAddress) + '#' + str(xiupsilon)
return rjson
except Exception:
return "0"
