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build_index.py
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import numpy as np
import time
import sys
import datetime
import os
from scipy.sparse import csr_matrix
import re
import random
import hmac
import hashlib
import pickle
import gmpy
import gmpy2
from gmpy2 import mpz
from Crypto.Cipher import AES
from Crypto.Util.Padding import pad, unpad
from pypbc import *
import json
import string
import binascii
import json
from web3.middleware import geth_poa_middleware
import struct
from web3 import Web3, HTTPProvider, IPCProvider, WebsocketProvider
from hexbytes import HexBytes
BLOCK_SIZE = 16 # bytes
random_length = 128
debug = False
sys.setrecursionlimit(10000)
w3 = Web3(Web3.HTTPProvider("http://127.0.0.1:8540"))
w3.middleware_onion.inject(geth_poa_middleware, layer=0)
# read kw-file
f_Kw_File_Use = open('/home/mwang235/Dropbox/Code/DataSharing/Kw_File_Use.txt', 'rb')
Kw_File_Use = pickle.load(f_Kw_File_Use)
kw_prime_file = {}
# map kw to primes
def kw_to_primes(kw_prime):
print("generate kw to prime file")
prime = 2
for kw in Kw_File_Use:
prime = gmpy2.next_prime(prime)
kw_prime[kw] = prime
return 0
# pypbc
# Element Pairing Parameters
def setup():
"""
Generates public key and master secret key.
:return:
"""
if debug:
print('\nSetup algorithm:\n')
params = Parameters(qbits=512, rbits=160) # type a
pairing = Pairing(params)
# G2 generator g
g = Element.random(pairing, G2) # 1024 bytes
# x y
x_ran = Element.random(pairing, Zr) # 160 bits
y_ran = Element.random(pairing, Zr)
# define global attributes
attr_list = ['ONE', 'TWO', 'THREE']
attr_value = [['A', 'B', 'C'], ['D', 'E'], ['F', 'G', 'H']]
# compute X, Y
X = {}
Y = {}
PB = Element(pairing, GT)
PB = pairing.apply(g, g)
for i in range(len(attr_list)):
# list_X_i = []
# list_Y_i = []
for k_i in range(len(attr_value[i])):
# print(len(attr_value[attr_list[i]]))
# print(k_i)
# string concatenation and to bytes
cat_x = str(i) + str(k_i) + str(x_ran)
# print(len(cat_x))
# H0
hash_value_x = Element.from_hash(pairing, Zr, cat_x)
# print('test', hash_value_x)
# Xi
X_i_k = Element(pairing, G2, value=g ** -hash_value_x)
X.setdefault(i,[]).append(X_i_k)
# list_X_i.append(X_i_k)
cat_y = str(i) + str(k_i) + str(y_ran)
hash_value_y = Element.from_hash(pairing, Zr, cat_y)
# bilinear pairing
Y_i_k = Element(pairing, GT, value=PB ** hash_value_y)
Y.setdefault(i, []).append(Y_i_k)
# list_Y_i.append(Y_i_k)
# X[i] = list_X_i
# Y[i] = list_Y_i
# the public key
pk = {'pairing': pairing, 'g': g, 'X': X, 'Y': Y}
# print('public key')
# print(g)
# print(X)
# print(Y)
# the master key
msk = {'x': x_ran, 'y': y_ran}
# print('master key')
# print(x_ran, y_ran)
return pk, msk
def keygen(pk, msk):
"""
Generate a key for a user with a list of attributes.
:param pk:
:param msk:
:param attr_L:
:return:
"""
if debug:
print('\nKey generation algorithm:\n')
g = pk['g']
pairing = pk['pairing']
x = msk['x']
y = msk['y']
# attr_L example
# attribute: 'ONE': 'A', 'B', 'THREE': 'H'
attr_L = {0: [0, 1], 2: [2]}
# random sk
# params = Parameters(qbits=512, rbits=160) # type a
# pairing = Pairing(params)
sk = Element.random(pairing, Zr)
# H1
hash_value_sk = Element.from_hash(pairing, G2, str(sk))
# sigma
sigma_key = {}
for i in attr_L:
list_sigma = []
for k_i in range(len(attr_L[i])):
# print(attr_L[i][k_i])
cat_i_y = str(i) + str(attr_L[i][k_i]) + str(y)
hash_value_i_y = Element.from_hash(pairing, Zr, cat_i_y)
sigma_i_y = Element(pairing, G2, value=g ** hash_value_i_y)
cat_i_x = str(i) + str(attr_L[i][k_i]) + str(x)
hash_value_i_x = Element.from_hash(pairing, Zr, cat_i_x)
sigma_i_x = Element(pairing, G2, value=hash_value_sk ** hash_value_i_x)
sigma_i_k = Element(pairing, G2, value=sigma_i_y * sigma_i_x)
list_sigma.append(sigma_i_k)
sigma_key[i] = list_sigma
# attribute secret key
SK_L = {'sk': sk, 'sigma_key': sigma_key}
# print('secret key')
# print('sk', sk)
# print(sigma_key)
return SK_L
def encrypt(pk, M):
"""
Encrypt a message under a policy.
:param pk:
:param M:
:return:
"""
if debug:
print('\nEncryption Algorithm\n')
policy_W = {0: [0, 1], 2: [2]}
g = pk['g']
pairing = pk['pairing']
X = pk['X']
Y = pk['Y']
# random s
# params = Parameters(qbits=512, rbits=160) # type a
# pairing = Pairing(params)
s = Element.random(pairing, Zr)
# subsequent multiply
X_W = Element.one(pairing, G2)
Y_W = Element.one(pairing, GT)
for i in policy_W:
list_X_i = X.get(i)
list_Y_i = Y.get(i)
for j in range(len(policy_W[i])):
k_i = policy_W[i][j]
X_W = Element(pairing, G2, value=X_W * list_X_i[k_i])
Y_W = Element(pairing, GT, value=Y_W * list_Y_i[k_i])
Y_W_s = Element(pairing, GT, value=Y_W ** s)
C_0 = Element(pairing, GT, value=M * Y_W_s)
C_1 = Element(pairing, G2, value=g ** s)
C_2 = Element(pairing, G2, value=X_W ** s)
# print(C_0)
# print(C_1)
# print(C_2)
CT_W = {'policy': policy_W, 'C_0': C_0, 'C_1': C_1, 'C_2': C_2}
return CT_W
def decrypt(pk, CT_W, SK_L):
"""
Decrypt ciphertext with key.
:param pk:
:param CT_W:
:param SK_L:
:return:
"""
if debug:
print('\nDecryption Algorithm\n')
# params = Parameters(qbits=512, rbits=160) # type a
# pairing = Pairing(params)
pairing = pk['pairing']
sk = SK_L['sk']
hash_value_sk = Element.from_hash(pairing, G2, str(sk))
sigma_key = SK_L['sigma_key']
policy_W = CT_W['policy']
C_0 = CT_W['C_0']
C_1 = CT_W['C_1']
C_2 = CT_W['C_2']
sigma_W = Element.one(pairing, G2)
for i in sigma_key:
list_sigma_key = sigma_key[i]
for j in range(len(sigma_key[i])):
sigma_W = Element(pairing, G2, value=sigma_W * list_sigma_key[j])
sigma_C_1 = Element(pairing, GT)
sigma_C_1 = pairing.apply(sigma_W, C_1)
sk_C_2 = Element(pairing, GT)
sk_C_2 = pairing.apply(hash_value_sk, C_2)
sigma_C_1_2 = Element(pairing, GT, value=sigma_C_1 * sk_C_2)
M = Element(pairing, GT, value=C_0 * (sigma_C_1_2 ** (-1)))
print('dec_M', M)
return M
# generate random string
def random_string(random_string_length):
seed = "01"
sa = []
for i in range(random_string_length):
sa.append(random.choice(seed))
salt = ''.join(sa)
salt_hex = hex(int(salt, 2))
return salt_hex
g1 = mpz(2141434891434191460597654106285009794456474073127443963580690795002163321265105245635441519012876162226508712450114295048769820153232319693432987768769296824615642594321423205772115298200265241761445943720948512138315849294187201773718640619332629679913150151901308086084524597187791163240081868198195818488147354220506153752944012718951076418307414874651394412052849270568833194858516693284043743223341262442918629683831581139666162694560502910458729378169695954926627903314499763149304778624042360661276996520665523643147485282255746183568795735922844808611657078638768875848574571957417538833410931039120067791054495394347033677995566734192953459076978334017849678648355479176605169830149977904762004245805443987117373895433551186090322663122981978369728727863969397652199851244115246624405814648225543311628517631088342627783146899971864519981709070067428217313779897722021674599747260345113463261690421765416396528871227)
p = mpz(3268470001596555685058361448517594259852327289373621024658735136696086397532371469771539343923030165357102680953673099920140531685895962914337283929936606946054169620100988870978124749211273448893822273457310556591818639255714375162549119727203843057453108725240320611822327564102565670538516259921126103868685909602654213513456013263604608261355992328266121535954955860230896921190144484094504405550995009524584190435021785232142953886543340776477964177437292693777245368918022174701350793004000567940200059239843923046609830997768443610635397652600287237380936753914127667182396037677536643969081476599565572030244212618673244188481261912792928641006121759661066004079860474019965998840960514950091456436975501582488835454404626979061889799215263467208398224888341946121760934377719355124007835365528307011851448463147156027381826788422151698720245080057213877012399103133913857496236799905578345362183817511242131464964979)
q = mpz(93911948940456861795388745207400704369329482570245279608597521715921884786973) # 阶
# g1_b = str.encode(str(g1))
# print(len(g1_b))
# generate all keys
secret_k = hmac.new(b'secretk', digestmod='MD5').digest()
# print('secretkey',secret_k)
master_K_I = hmac.new(b'masterKI', digestmod='MD5').digest()
master_K_Z = hmac.new(b'masterKZ', digestmod='MD5').digest()
master_K_X = hmac.new(b'masterKX', digestmod='MD5').digest()
# str不是16的倍数那就补足为16的倍数
# def add_to_16(value):
# while len(value) % 16 != 0:
# value += '\0'
# return str.encode(value) # 返回bytes
# transform id to points in GT
def file_id_GT(pk, id):
id_GT = {}
pairing = pk['pairing']
g = pk['g']
M = Element(pairing, GT)
M = pairing.apply(g, g)
s = random.randint(10, 1000)
M = Element(pairing, GT, value=M ** s)
id_GT[id] = M
# print(id_GT)
return id_GT
# def x_o_r(byte1, byte2):
# xor_cipher = []
# for j in range(random_length):
# xor_cipher.append(byte1[j] ^ byte2[j])
# cipher = ''.join(str(i) for i in xor_cipher)
# return str.encode(cipher) # bytes
def localPad(data_hex): # no 0x
# b = data_hex[2:]
return "0x" + '0' * (64 - len(data_hex[2:])) + data_hex[2:]
# 为所有关键字所有文件生成index
def build_index(pk, Kw_File, kw_prime):
print('---------------------------------------Build Index')
CEDB = {} # on chain encrypted database
CPT = {} # on chain partial token
CBSIndex = []
# print(CEDB, CBSIndex, CPT)
for w in kw_prime: # 需要先生成kw_prime_file，将kw与素数的对应关系保存
c = 0
st_0 = random_string(random_length) # str hex
# print('st_0', type(st_0), len(st_0), st_0)
st_0_hex = localPad(st_0)
# print('st_0_hex', type(st_0_hex), len(st_0_hex), st_0_hex)
st_0_hex_bytes = Web3.toBytes(hexstr=st_0_hex)
st = {0: st_0_hex_bytes} # bytes hex len = 32
# print('st[0]', type(st[0]), len(st[0]), st[0])
l_st_c = []
# stag_w
inv_w = gmpy2.invert(kw_prime[w], q)
# stag_w = hmac.new(secret_k, str.encode(str(gmpy2.powmod(g1, mpz(inv_w) % q, p))), digestmod='md5').digest() # bytes
# print('stag_w', type(stag_w), len(stag_w), stag_w)
stag_w_hex = hmac.new(secret_k, str.encode(str(gmpy2.powmod(g1, mpz(inv_w) % q, p))), digestmod='md5').hexdigest() # str
# print('stag_w_hex', type(stag_w_hex), len(stag_w_hex), stag_w_hex)
# stag_w_bytes = Web3.toBytes(hexstr=stag_w_hex)
# print('stag_w', type(stag_w), len(stag_w), stag_w)
# CPT 键 l
l = Web3.keccak(str.encode(stag_w_hex))
# print('l', len(l), type(l), l)
for ind in range(len(Kw_File[w])):
e = []
c = c + 1
t_c_ori = random_string(random_length) # str hex
# print('t_c_ori', type(t_c_ori), len(t_c_ori), t_c_ori)
t_c_hex = localPad(t_c_ori)
t_c = Web3.toBytes(hexstr=t_c_hex) # bytes hex 32
# print('t_c', type(t_c), len(t_c), t_c)
# P AES加密，在search阶段需要解密onchain,t_c是key,st_c-1是M
# aes_st_c = AES.new(t_c, AES.MODE_ECB)
# print('st[c-1]', st[c-1])
# st[c] = aes_st_c.encrypt(pad(st[c-1], BLOCK_SIZE)) # Crypto padding
st[c] = bytes(a ^ b for a, b in zip(t_c, st[c-1])) # bytes 32
# print('st[c]', type(st[c]), len(st[c]), st[c])
# decrypt
# test_decrypt = unpad(aes_st_c.decrypt(st[c]), BLOCK_SIZE)
# print('test_decrypt', test_decrypt)
# string_c = str(stag_w) + str(st[c]) # string
# bytes_stagw_c = stag_w_bytes + st[c] # bytes 48
# print('bytes_stagw_c', type(bytes_stagw_c), len(bytes_stagw_c), bytes_stagw_c)
# string_c = Web3.toBytes(hexstr='0x' + stag_w_hex) + Web3.toBytes(hexstr=localPad(Web3.toHex(st[c])))
string_c = stag_w_hex + localPad(Web3.toHex(st[c]))[2:]
# bytes_st_c = Web3.toBytes(hexstr=localPad(stag_w_hex)) + st[c]
# u H1 keccak
# u = str.encode((Web3.keccak(str.encode(string_c))).hex())
# u = Web3.keccak(bytes_st_c)
u_str = (Web3.keccak(hexstr=string_c)).hex() # blockchain str 66
u = Web3.toBytes(hexstr=u_str)
# u= Web3.keccak(str.encode(str(string_c)))
# u = str.encode(Web3.keccak(bytes_stagw_c).hex())
# u = (Web3.keccak(bytes_stagw_c)).hex() # blockchain
print('u', type(u), len(u), u) # bytes
# e = 'ABE.Enc(id)' + '0' + str(t_c) 将e设计为存储5个值的list
# transform id to GT points
id_GT_use = file_id_GT(pk, Kw_File[w][ind])
e_id = encrypt(pk, id_GT_use[Kw_File[w][ind]])
# print(type(e_id['C_1'])) # 'pypbc.Element'
e.append(str.encode(str(e_id['C_0'])))
# e.append(HexBytes(str(e_id['C_0'])))
e.append(str.encode(str(e_id['C_1'])))
# e.append(HexBytes(str(e_id['C_1'])))
e.append(str.encode(str(e_id['C_2'])))
# e.append(HexBytes(str(e_id['C_2'])))
delta = 0
e.append(delta) # int
# e.append(str.encode(str(delta)))
# e.append(HexBytes(str(delta)))
e.append(t_c)
# print('e', e)
# 异或
# e = bytes(a ^ b for a, b in zip(string_id, sha256.digest()))
z_w = gmpy2.powmod(g1, mpz(inv_w) % q, p)
z = hmac.new(master_K_Z, str.encode(str(z_w) + str(c)), digestmod='md5').hexdigest() # bytes
# print('z', z, type(z), len(z))
xind = hmac.new(master_K_I, str.encode(Kw_File[w][ind]), digestmod='md5').hexdigest() # bytes
# print('xind', xind, type(xind), len(xind))
# 此处y是什么数据类型 1.将z限制在群中，直接求逆
# y = int.from_bytes(xind, byteorder='big') / int.from_bytes(z, byteorder='big')
zz = int.from_bytes(str.encode(z), byteorder='big', signed=False)
inv_z = gmpy2.invert(mpz(zz), q)
y = ((mpz(int.from_bytes(str.encode(xind), byteorder='big',signed=False)) % q) * (mpz(inv_z) % q)) % q
# y_bytes = str.encode(str(y)) # bytes
y_bytes = Web3.toBytes(hexstr=hex(int(y)))
# print('y_bytes', type(y_bytes), len(y_bytes), y_bytes)
e.append(y_bytes) # e[5]
# e.append(HexBytes(y_bytes))
# print('y_bytes', y_bytes)
# 此处可以选用在群上直接进行运算
xx=int.from_bytes(str.encode(xind), byteorder='big')
# print('------xx-----', xx)
xtag_w = hmac.new(master_K_X, str.encode(str(gmpy2.powmod(g1, mpz(inv_w) % q, p))), digestmod='md5').hexdigest() # bytes
# print('zhuanzhiqian---xtag_w', type(xtag_w), len(xtag_w), xtag_w)
aa = int.from_bytes(str.encode(xtag_w), byteorder='big', signed=False)
# print('------aa------', aa)
xtag_w_xind = ((mpz(aa)% q) * (mpz(xx) % q)) % q
xtag = gmpy2.powmod(g1, xtag_w_xind, p)
# testXtag.add(hex(int(xtag))) # test
# print('----gax----',xtag)
# xtag_bytes = str.encode(str(xtag))
xtag_bytes = Web3.toBytes(hexstr=hex(int(xtag)))
# print('xtag_bytes', type(xtag_bytes), len(xtag_bytes), xtag_bytes)
CEDB[u] = e
CBSIndex.append(xtag_bytes)
# print('CBSIndex', c, len(CBSIndex), CBSIndex)
# 此处的c在搜索时如何获得 以数组来存，不需要进行外层运算
l_st_c.append(st[c])
# l_st_c.append(str.encode(str(c)))
l_st_c.append(c)
# l_st_c.append(cipher)
# print('check----l_st_c',l_st_c)
CPT[l] = l_st_c
print('CEDB------', len(CEDB), CEDB)
print('CBSIndex------', len(CBSIndex), CBSIndex)
print('CPT------', len(CPT), CPT)
return CEDB, CBSIndex, CPT
# 为每个用户生成授权key
# permit_w_set_use = ['wang', 'ming', 'yue']
def user_key_permit(permit_w_set):
# prime_use = []
sk_w_all = 1
for i in permit_w_set:
sk_w_all = sk_w_all * permit_w_set[i]
# prime_use.append(kw_prime_file[permit_w_set[i]])
# sk_w_all = sk_w_all * kw_prime_file[permit_w_set[i]]
inv_w_all = gmpy2.invert(sk_w_all, q)
re_sk_w = hmac.new(secret_k, str.encode(str(gmpy2.powmod(g1, mpz(inv_w_all) % q, p))), digestmod='md5').digest()
print('sk_w', re_sk_w)
return re_sk_w # 返回Bytes
def gen_stag_w(query_prime):
print('----------------------------------Genarate stag_w1')
inv_w1 = gmpy2.invert(query_prime[0], q)
# stag_w1
stag_w_hexstr = hmac.new(secret_k, str.encode(str(gmpy2.powmod(g1, mpz(inv_w1) % q, p))),
digestmod='md5').hexdigest()
stag_w1 = Web3.toBytes(hexstr='0x' + stag_w_hexstr)
print('stag_w1', type(stag_w1), len(stag_w1), stag_w1, Web3.toHex(stag_w1))
return stag_w1, stag_w_hexstr
# 为每个用户生成查询token
def search_token(query_prime, c):
print('----------------------------------Genarate Search Token')
xtoken = {}
inv_w1 = gmpy2.invert(query_prime[0], q)
# stag_w1
stag_w_hexstr = hmac.new(secret_k, str.encode(str(gmpy2.powmod(g1, mpz(inv_w1) % q, p))), digestmod='md5').hexdigest()
stag_w1 = Web3.toBytes(hexstr=stag_w_hexstr)
# print('stag_w1', type(stag_w1), len(stag_w1), stag_w1)
while c > 0:
temp_value = [] # 存储每个剩余关键字对应的的xind作为最终的值
# print('length----query_prime', len(query_prime), c)
# print('the number of rest keywords in query need to be known before uploading')
for j in range(1, len(query_prime)):
# print('query_prime[j]', j, query_prime[j])
inv_wj = gmpy2.invert(query_prime[j], q)
# print('inv_wj', type(inv_wj), len(inv_wj), inv_wj)
z_w1 = gmpy2.powmod(g1, mpz(inv_w1) % q, p)
temp_z_w1 = hmac.new(master_K_Z, str.encode(str(z_w1) + str(c)), digestmod='md5').hexdigest()
zz = int.from_bytes(str.encode(temp_z_w1), byteorder='big')
temp_xind_wj = hmac.new(master_K_X, str.encode(str(gmpy2.powmod(g1, mpz(inv_wj) % q, p))), digestmod='md5').hexdigest()
aa = int.from_bytes(str.encode(temp_xind_wj), byteorder='big')
temp_z_xind = ((mpz(aa) % q) * (mpz(zz) % q)) % q
temp = gmpy2.powmod(g1, temp_z_xind, p)
temp_bytes = Web3.toBytes(hexstr=hex(int(temp)))
# print('------token_temp', type(temp_bytes), len(temp_bytes), temp_bytes)
temp_value.append(temp_bytes) # bytes
# print('token_temp_value', type(temp_value), len(temp_value), temp_value)
xtoken[c] = temp_value # 每个w1对应c个文件作为键，每个文件与剩余w的关系作为值存储在xtoken中
# print('xtoken[c]', len(xtoken[c]))
c = c - 1
print('xtoken', len(xtoken), xtoken)
return xtoken
def match(stag_w_hexstr, xtoken, CEDB, CBSIndex, CPT):
print('-------------------------------------Search')
R = {}
D = {}
# l = str.encode(Web3.keccak(hexstr=stag_w_hexstr).hex())
l = Web3.keccak(str.encode(stag_w_hexstr))
# l = Web3.toBytes(Web3.keccak(hexstr=stag_w1).hex())
# print('l1', l)
st_c = CPT[l][0]
# print('stc', str(st_c))
c = int(CPT[l][1])
# print('c1', c)
st = {c: st_c}
while c > 0:
list_xtoken_i = xtoken[c]
# flag = []
# flag_sum = 0
e_id = []
# string_c = str(stag_w1) + str(st[c])
string_c = stag_w_hexstr + localPad(Web3.toHex(st[c]))[2:]
# u = str.encode((Web3.keccak(hexstr=string_c)).hex())
u = Web3.toBytes((Web3.keccak(hexstr=string_c)).hex())
# print('u1', type(u), len(u), u)
e = CEDB[u]
y_bytes = e[5]
# print('search_y_bytes', y_bytes, type(y_bytes))
e_id.append(e[0])
e_id.append(e[1])
e_id.append(e[2])
delta = e[3]
# print('delta', delta, len(delta))
t_i = e[4]
# print('t_i', len(t_i), t_i)
if delta == 1:
D[u] = e_id
test_tag = []
for j in range(len(list_xtoken_i)):
# print('list_xtoken_i', len(list_xtoken_i), list_xtoken_i[j])
test_token_y = gmpy2.powmod(mpz(list_xtoken_i[j]), mpz(y_bytes), p)
bytes_token_y = str.encode(str(test_token_y))
test_tag.append(bytes_token_y)
# print(len(test_tag))
# print('bytes_token_y', bytes_token_y, len(bytes_token_y))
# print('CBSIndex----------------', CBSIndex, len(CBSIndex))
# test whether all test tag in CBSIndex
if all([bytes_token_y in CBSIndex for bytes_token_y in test_tag]):
R[u] = e_id
# AES decrypt
# decipher = AES.new(t_i, AES.MODE_ECB)
# st[c-1] = unpad(decipher.decrypt(st[c]), BLOCK_SIZE)
st[c-1] = bytes(a ^ b for a, b in zip(t_i, st[c]))
c = c - 1
print('D', len(D), D)
print('R', len(R), R)
# R = R.items() - D.items()
# print(R)
return R, D
if __name__ == "__main__":
test_kw_file = {'wang': ['0000000000000000', '283888899990000000', '6242788468561965965166'], 'ming': ['0000000000000000', '283888899990000000', '2100000000008797'], 'yue': ['283888899990000000', '0000000000000000', '16212635411671469']}
test_kw_prime = {'wang': 21, 'ming': 23, 'yue': 71}
(pk, sk) = setup()
(test_CEDB, test_CBSIndex, test_CPT) = build_index(pk, test_kw_file, test_kw_prime)
test_permit_kw = {'wang': 21, 'ming': 23, 'yue': 71}
test_sk_w = user_key_permit(test_permit_kw)
# test_query_kw = [21, 23, 71]
# # test_query_kw ==> per_query_number
# per_token_number = 2
# (test_stag_w, test_stag_w_hex) = gen_stag_w(test_query_kw)
# test_xtoken = search_token(test_query_kw, c)
# match(test_stag_w_hex, test_xtoken, test_CEDB, test_CBSIndex, test_CPT)
# blockchain test
abi_build_index = """[
{
"constant": true,
"inputs": [
{
"name": "R_u",
"type": "bytes32"
}
],
"name": "get_R_cipher",
"outputs": [
{
"name": "",
"type": "bytes[]"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": false,
"inputs": [
{
"name": "l",
"type": "bytes32[]"
},
{
"name": "stc",
"type": "bytes32[]"
},
{
"name": "_len",
"type": "uint256"
}
],
"name": "set_CPT_stc",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": false,
"inputs": [
{
"name": "p",
"type": "bytes"
}
],
"name": "setP",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": false,
"inputs": [
{
"name": "u",
"type": "bytes32[]"
},
{
"name": "y",
"type": "bytes32[]"
},
{
"name": "len",
"type": "uint256"
}
],
"name": "set_CEDB_y",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": true,
"inputs": [
{
"name": "",
"type": "uint256"
},
{
"name": "",
"type": "uint256"
}
],
"name": "ST_w",
"outputs": [
{
"name": "",
"type": "bytes"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [
{
"name": "",
"type": "bytes32"
}
],
"name": "CEDB_delta",
"outputs": [
{
"name": "",
"type": "uint256"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": false,
"inputs": [
{
"name": "l",
"type": "bytes32[]"
},
{
"name": "c",
"type": "uint256[]"
},
{
"name": "len",
"type": "uint256"
}
],
"name": "set_CPT_c",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": true,
"inputs": [
{
"name": "",
"type": "bytes32"
}
],
"name": "CEDB_tc",
"outputs": [
{
"name": "",
"type": "bytes32"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [
{
"name": "u",
"type": "bytes32"
}
],
"name": "get_CEDB_delta",
"outputs": [
{
"name": "",
"type": "uint256"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [
{
"name": "",
"type": "uint256"
}
],
"name": "R_cipher",
"outputs": [
{
"name": "",
"type": "bytes"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": false,
"inputs": [
{
"name": "u",
"type": "bytes32[]"
},
{
"name": "delta",
"type": "uint256[]"
},
{
"name": "len",
"type": "uint256"
}
],
"name": "set_CEDB_delta",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": false,
"inputs": [
{
"name": "R_u",
"type": "bytes32"
}
],
"name": "set_cipher_onebyone",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": true,
"inputs": [
{
"name": "",
"type": "uint256"
}
],
"name": "st",
"outputs": [
{
"name": "",
"type": "bytes32"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [
{
"name": "u",
"type": "bytes32"
}
],
"name": "get_CEDB_tc",
"outputs": [
{
"name": "",
"type": "bytes32"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [
{
"name": "b",
"type": "bytes"
}
],
"name": "CBSIndex_exist",
"outputs": [
{
"name": "",
"type": "bool"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": false,
"inputs": [
{
"name": "R_u",
"type": "bytes32"
}
],
"name": "set_R_cipher",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": true,
"inputs": [],
"name": "getP",
"outputs": [
{
"name": "",
"type": "bytes"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [
{
"name": "",
"type": "uint256"
}
],
"name": "returnD_u",
"outputs": [
{
"name": "",
"type": "bytes32"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": false,
"inputs": [
{
"name": "u",
"type": "bytes32[]"
},
{
"name": "t_c",
"type": "bytes32[]"
},
{
"name": "len",
"type": "uint256"
}
],
"name": "set_CEDB_tc_batch",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{
"constant": true,
"inputs": [
{
"name": "",
"type": "bytes32"
}
],
"name": "CEDB_y",
"outputs": [
{
"name": "",
"type": "bytes32"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [
{
"name": "_x",
"type": "uint256"
}
],
"name": "toBytes",
"outputs": [
{
"name": "_b",
"type": "bytes32"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": true,
"inputs": [],
"name": "get_returnD_u",
"outputs": [
{
"name": "",
"type": "bytes32[]"
}
],
"payable": false,
"stateMutability": "view",
"type": "function"
},
{
"constant": false,
"inputs": [
{
"name": "u",
"type": "bytes32"
},
{
"name": "t_c",
"type": "bytes32"
}
],
"name": "set_CEDB_tc",
"outputs": [],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
},
{