def main():
g_to_b = powmod(G, 1048576, P)
g_invert = invert(G, P)
map = {}
time_start = time.time()
calc_1 = t_mod(H * G, P)
for i in range(1048576 + 1):
calc_1 = t_mod(calc_1 * g_invert, P)
map[calc_1] = i
time_end = time.time()
sys.stdout.write('\n\n')
sys.stdout.write('Left side complete...\n')
sys.stdout.write('Time: %0.3f ms\n' % ((time_end - time_start) * 1000.0))
sys.stdout.flush()
time_start = time.time()
calc_0 = invert(g_to_b, P)
for j in range(1048576 + 1):
calc_0 = t_mod(calc_0 * g_to_b, P)
if calc_0 in map:
calc = (j * 1048576) + map[calc_0]
sys.stdout.write('\n\n')
sys.stdout.write('Successfully found x with a value of %s\n' % calc)
sys.stdout.flush()
break
time_end = time.time()
sys.stdout.write('Time: %0.3f ms\n' % ((time_end - time_start) * 1000.0))
sys.stdout.flush()
def get_h_pwd(coordinates):
x = map(lambda x: x[0], coordinates) # extract the x and y coordinates
y = map(lambda x: x[1], coordinates)
h_pwd_ = mpz()
for i in xrange(config.max_features):
h_pwd_ = gmpy2.add(h_pwd_, gmpy2.t_mod(gmpy2.mul(y[i], get_lambda_i(x, i)), config.q))
h_pwd_ = gmpy2.t_mod(h_pwd_, config.q)
return h_pwd_
def get_lambda_i(x, i):
lambda_i = mpz(1)
for j in xrange(len(x)):
if i != j:
if x[i] == x[j] and __debug__:
print x
print i
print j
print config.q
tmp = gmpy2.invert(gmpy2.sub(x[j], x[i]), config.q)
tmp = gmpy2.t_mod(gmpy2.mul(x[j], tmp), config.q)
lambda_i = gmpy2.t_mod(gmpy2.mul(lambda_i, tmp), config.q)
return lambda_i
def _random_int(self, modulo):
"""Generate a random number modulo the supplied argument"""
r_seed = int(os.urandom(32).encode('hex'), 16)
r_state = gmp.random_state(r_seed)
raw = gmp.mpz_urandomb(r_state, self.RANDOM_BITS)
return gmp.t_mod(raw, modulo)
def compute_d(e, N, p, q):
# d * e mod phi(N) = 1
# where phi(N) = N - p - q + 1
phiN = phi(N, p, q)
d = invert(mpz(e), mpz(phiN))
x = mul(mpz(d), mpz(e))
assert t_mod(x, mpz(phiN)) == 1
return d.digits()
def discrete_log(P, G, H):
lookup = {}
g_to_b = powmod(G, 1048576, P)
g_invert = invert(G, P)
calc_1 = t_mod(H * G, P)
for i in xrange(1048576 + 1):
calc_1 = t_mod(calc_1 * g_invert, P)
lookup[calc_1] = i
calc_0 = invert(g_to_b, P)
for j in xrange(1048576 + 1):
calc_0 = t_mod(calc_0 * g_to_b, P)
if calc_0 in lookup:
return (j * 1048576) + lookup[calc_0]
return None
def e_3_broadcast_attack(public_key1, public_key2, public_key3):
enc1, e1, n1 = public_key1
enc2, e2, n2 = public_key2
enc3, e3, n3 = public_key3
N = n1 * n2 * n3
result = t_mod((enc1 * (N/n1) * invert(N/n1, n1)) + \
(enc2 * (N/n2) * invert(N/n2, n2)) + \
(enc3 * (N/n3) * invert(N/n3, n3)), N)
result = iroot(result, 3)
return result[0]
def encrypt(m, key):
(n, g) = key
#t = int(time())
t = 500
rand_state = gmpy2.random_state(t)
r = gmpy2.mpz_random(rand_state, n - 1) + 1
c = gmpy2.t_mod(g**m * r**n, n**2)
return c
def power(lst, exponent, modulo, redix=8):
result = 1
while True:
ind = exponent & (2**redix - 1)
result = gmpy2.t_mod(gmpy2.mul(result, lst[ind]), modulo)
exponent = exponent >> redix
print(sys.getsizeof(exponent))
if exponent == 0:
break
return result
def BruteForceK(message, pub, r, s, k_min, k_max):
(p, q, g, B) = pub
H = mpz(getSHA1(message), base=16)
for k in xrange(k_min, k_max):
r_inv = invert(r, q)
d = t_mod(((s * k) - H) * r_inv, q)
if powmod(g, d, p) == B:
print "[+] Found the Private Key."
print "[+] Key(k) : %s, Priv(d) = %s" % (hex(k), hex(d))
return (k, d)
return (None, None)
def signcrypt(self, Reciever, params, m):
# R = g ** w mod p, w <-- Zq
w, R_value = random_pick(params.p, params.q, params.g)
# h1_R = H1(ID_R, X_R, Y_R) <-- Zq
h1_R = H1_hash(Reciever.uid, Reciever.X_u, Reciever.Y_u,
bit_length(params.q))
# T = (X_R * Y_R * (p_pub**h1_R)) ** w mod p
T_value = T_compute(Reciever.X_u, Reciever.Y_u, params.p_pub, h1_R, w,
params.p)
# C = m * T mod p
C_value = t_mod(m * T_value, params.p)
# h2 = H2(ID_S, T, m, C) <-- Zq
h2_value = H2_hash(self.uid, T_value, m, C_value, bit_length(params.q))
# (x_S + y_S) ** -1 mod q
x_y_invert = invert(self.x_u + self.y_u, params.q)
# S = h2 * w * (x_S + y_S) ** -1 mod q
S_value = t_mod(h2_value * w * x_y_invert, params.q)
# signcryption_text = (R, C, S)
Signcryption_text = (R_value, C_value, S_value)
return Signcryption_text
def crt(n, x):
"""Chinese remainder. For n = [n1, n2, ...] and x = [x1, x2, ...]
computes an r such that:
r \equiv x1 mod n1
r \equiv x2 mod n2, etc."""
sum = 0
prod = reduce(lambda a, b: a * b, n)
for n_i, x_i in zip(n, x):
p = prod / n_i
sum += x_i * gmpy2.invert(p, n_i) * p
return gmpy2.t_mod(sum, prod)
def encrypt(self, m):
"""Returns g^mh^r mod n"""
if m >= self.pub_key.d:
gm = 1
elif m == 0:
gm = self.pub_key.g
else:
gm = gmpy2.powmod(self.pub_key.g, self.pub_key.b ** m, self.pub_key.n)
r = self.rs.random_bits_nz(self.pub_key.u)
hr = gmpy2.powmod(self.pub_key.h, r, self.pub_key.n)
return gmpy2.t_mod(gm * hr, self.pub_key.n)
def step2(p, g, A):
q = mpz(236234353446506858198510045061214171961)
B_knows['q'] = q
B_knows['p'] = p
B_knows['g'] = g
B_knows['A'] = A
b = t_mod(mpz_random(rstate, p - 2) + 2, q)
B = pow(g, b, p)
B_knows['b'] = b
B_knows['B'] = B
B_knows['k'] = getSHA1(format(pow(A, b, p), 'x'))[0:32]
return B
def findDiscreteLog(self):
x = -1
element_powB = gmpy2.powmod(mpz(self.element), mpz(self.B), mpz(self.prime))
for x0 in range (0, self.B + 1):
right_x0 = gmpy2.powmod(element_powB, x0, mpz(self.prime))
if right_x0 in self.h_by_gx_hash:
print("x0: %d" % (x0))
x1 = self.h_by_gx_hash[right_x0]
print("x1: %d" % (x1))
x = gmpy2.t_mod(gmpy2.add(gmpy2.mul(x0, self.B), x1), mpz(self.prime))
print("x: %d" % (x))
return str(x)
return x
def gen_keys():
rs = gmpy2.random_state(hash(gmpy2.random_state()))
P = gmpy2.mpz_urandomb(rs, mpz('128'))
P = gmpy2.next_prime(P)
Q = gmpy2.mpz_urandomb(rs, mpz('128'))
Q = gmpy2.next_prime(Q)
N = P*Q
Fi = (P-1)*(Q-1)
Pkey = gmpy2.mpz_random(rs, Fi)
while not (gmpy2.gcd(Fi, Pkey) == 1):
Pkey = gmpy2.mpz_random(rs, Fi)
Skey = gmpy2.invert(Pkey, Fi)
assert gmpy2.t_mod(Skey*Pkey,Fi) == 1
return Pkey, Skey, N
def generate(pwd, stat):
config.generate_r()
pwd = mpz(crypt.get_bit_str_from_byte(pwd), base=2)
global table
table = [] # clear the table
for i in xrange(config.max_features):
x_0 = crypt.p(mpz((i + 1) << 1), config.r) # calculate x0, x1 and y0, y1
x_1 = crypt.p(mpz(((i + 1) << 1) + 1), config.r)
y_0 = gmpy2.add(poly.calculate(x_0), crypt.g(mpz((i + 1) << 1), config.r ^ pwd)) # use r xor pwd as the key
y_1 = gmpy2.add(poly.calculate(x_1), crypt.g(mpz(((i + 1) << 1) + 1), config.r ^ pwd))
if reader.if_init():
table.append((y_0, y_1)) # if in initialization phase, add correct value
else:
if stat[i][0] is None:
table.append((y_0, y_1)) # if no statistic information is derived
elif (stat[i][1] + stat[i][0] * config.k) < config.ti: # if fast
rand_value = gmpy2.t_mod(config.generate_rand(), config.q)
table.append((y_0, rand_value))
elif (stat[i][1] - stat[i][0] * config.k) > config.ti: # if slow
rand_value = gmpy2.t_mod(config.generate_rand(), config.q)
table.append((rand_value, y_1))
else:
table.append((y_0, y_1))
def solver():
A, b, B, u, hash = srp("")
fp = open("passwords.txt", "r")
passwords = fp.readlines()
for password in passwords:
password = password.strip()
print "[*] Trying Password: '******'" % (password)
x = mpz(int(generate_hash("", password), 16))
S = t_mod(powmod(A, b, N) * powmod(B, u * x, N), N)
K = hash_sha256(str(S))
h = hmac(K, "", hash_function=hash_sha256)
if h == hash:
print "[+] Got it. Password = '******'" % (password)
return
def decrypt(self, pk, sk, vec, ct, max_innerprod):
p = gp.mpz(pk['p'])
g = gp.mpz(pk['g'])
res = gp.mpz(1)
for i in range(len(vec)):
res = gp.mul(
res,
gp.powmod(gp.mpz(ct['ct_list'][i]), gp.mpz(vec[i]), p)
)
res = gp.t_mod(res, p)
g_f = gp.divm(res, gp.powmod(gp.mpz(ct['ct0']), gp.mpz(sk['sk']), p), p)
f = self._solve_dlog(p, g, g_f, max_innerprod)
return f
def step1():
p = mpz(
7199773997391911030609999317773941274322764333428698921736339643928346453700085358802973900485592910475480089726140708102474957429903531369589969318716771
)
g = mpz(
4565356397095740655436854503483826832136106141639563487732438195343690437606117828318042418238184896212352329118608100083187535033402010599512641674644143
)
q = mpz(236234353446506858198510045061214171961)
a = t_mod(mpz_random(rstate, p - 2) + 2, q)
A = pow(g, a, p)
A_knows['q'] = q
A_knows['p'] = p
A_knows['g'] = g
A_knows['a'] = a
A_knows['A'] = A
return (p, g, A)
def dlog(pgh):
p = pgh[0]
g = pgh[1]
h = pgh[2]
B = gmpy2.powmod(2,20,mpz(p))
B_low = 0
#B_low = gmpy2.powmod(2,18,mpz(p))
print "B: " + repr(B)
# build the hash
hash_table = {}
for i in range(B_low,B):
left = gmpy2.divm(mpz(h),gmpy2.powmod(mpz(g),i, mpz(p)),mpz(p))
try:
hash_table[left]
print "collision at " + i
except KeyError:
hash_table[left] = i
continue
print "Hash table built"
#print "keys: " + repr(hash_table.keys())
counter = mpz(0)
# meet in the middle
x0 = mpz(0)
x1 = mpz(0)
for i in range(B_low,B):
counter = gmpy2.add(counter,mpz(1))
right = gmpy2.powmod(gmpy2.powmod(mpz(g),mpz(B),mpz(p)),i,mpz(p))
try:
h_entry = hash_table[right]
print 'found x0 and x1...'
x0 = i
x1 = h_entry
print 'x0=' + repr(x0)
print 'x1=' + repr(x1)
break
except KeyError:
continue
print "counter: " + repr(counter)
x = gmpy2.t_mod(gmpy2.add(gmpy2.mul(x0,B),x1), mpz(p))
return x
def generate_keypair(seed: int):
rand_state = seed
# m = bytes_to_long(input.encode('utf-8'))
p, q = generate_prime(bit_count,
rand_state), generate_prime(bit_count, rand_state)
flag = good_pair(p, q)
while not flag:
p, q = generate_prime(bit_count, rand_state), generate_prime(
bit_count, rand_state)
flag = good_pair(p, q)
n = gmpy2.mul(p, q)
phi = gmpy2.mul(p - 1, q - 1)
# print("p:", p)
# print("q:", q)
print("n:", n)
# print("phi:", phi)
e = gmpy2.mpz_random(rand_state, phi)
while e <= 1 or gmpy2.gcd(e, phi) != 1:
e = gmpy2.mpz_random(rand_state, phi)
assert (e > 1)
assert (gmpy2.gcd(e, phi) == 1)
d = gmpy2.invert(e, phi)
assert (d != 1)
assert (gmpy2.t_mod(e * d, phi) == 1)
# print("PK(e):", e)
# print("SK(d):", d)
return {
'public': {
'n': n,
'e': e,
},
'private': {
'n': n,
'd': d,
}
}
def deductPlaintext(c, e, d, N):
plaintext = ""
lowP = 0
highP = N - 1
k = pow(2, e, N)
i = 0
while True:
c = t_mod((c * k), N)
p = parityOracle(c, d, N)
if p == True:
lowP += (highP - lowP) / 2
else:
highP -= (highP - lowP + 1) / 2
if lowP == highP or lowP + 1 == highP:
print "[+] Found Plaintext."
plaintexts = (i2h(lowP).decode("hex"), i2h(lowP + 1).decode("hex"))
break
return plaintexts
def test_q7():
print('Q7: ==========================')
n = 17499773465348445792920245778216829006647453385259330219357028485009339534285848901056303646954491391679683201149457475018294979209780247445076066287733118072880749833035123036555662856645475638596385628573834790984467990658723961995703366235550395489042651541156795624703520341275891175096132549861970720533717778174765607441287991306500525167730683267118223430735800481287357200910002893229017814289348689888719981191560197481039522195361217272138225955508782933789348420624935802805864879225862644583960675404149266618669091214585922332101569324163212845768114082503107114837675455651614832959907134061262517385017
e = 3
c = 321654389616150513356556055740961926749898434643413371203975850424205544792983180728606431035587667962369136768769365708509839867803424784777024270115037479965629722196457158071998101133765058618875866760958071264023592635126229531
# The trick here is that e is so small you can just
# get the (cubic root of c) % n to get m
gc = gmpy2.mpz(c)
gn = gmpy2.mpz(n)
ge = gmpy2.mpz(e)
root, _ = gmpy2.iroot(gc, ge)
m = gmpy2.t_mod(root, gn)
assert (
m ==
68516708916360312322912544295994397317545815174959984970505961156625792081411
)
def rerandomize(self, c):
return gmpy2.t_mod(c * self.encrypt(0), self.pub_key.n)
print "p_max= "
print p_max.digits(10)
# calculate p_min
p_min = proot(1, dist, -(n - 1))
print "p_min= "
print p_min.digits(10)
# start finding prime
if gmpy2.is_prime(p_min):
p = p_min
else:
p = gmpy2.next_prime(p_min)
# loop through prime numbers from p_min to p_max
while p < p_max:
# get remainder of div(n, p)
rem = gmpy2.t_mod(n, p)
if rem == 0:
print "\nresult= "
print "p= "
print p.digits(10)
print "q= "
print gmpy2.c_div(n, p)
sys.exit()
p = gmpy2.next_prime(p)
def add_encrypted(a, b, pubkey):
return gmpy2.t_mod(gmpy2.mul(a, b), pubkey.n)
def p(x, key):
if not config.simple:
mac = HMAC.new(key=get_byte_str_from_mpz(key), msg=get_byte_str_from_mpz(x), digestmod=SHA).digest()
return gmpy2.t_mod(mpz(get_bit_str_from_byte(mac), base=2), config.q)
return x # if in simple mode, return x
B = mpz(2)**20
#p = mpz(104869)
#g = mpz(103221)
#h = mpz(82257)
### x = 52
#B = mpz(2)**3
dict = {}
i = mpz(0)
g_inv = gmpy2.invert(g, p)
tmp = h
while i < B:
dict[tmp] = i
tmp = gmpy2.t_mod(gmpy2.mul(tmp, g_inv), p)
i += 1
print("done with dictionary")
i = mpz(0)
gb = gmpy2.powmod(g, B, p)
tmp = mpz(1)
while i < B:
if tmp in dict:
print("x=", i * B + dict[tmp])
break
tmp = gmpy2.t_mod(gmpy2.mul(tmp, gb), p)
i += 1
print("done")
B = gmpy2.powmod(mpz('2'), mpz('20'), p)
step = B / 100
i = 0
gB = gmpy2.powmod(g, B, p)
left_side = {}
print 'Building hash table...'
for x1 in xrange(0, B):
if x1 > step * i:
print '%s%%' % i
i += 1
gx1 = gmpy2.powmod(g, x1, p)
val = gmpy2.t_mod(gmpy2.mul(h, gmpy2.invert(gx1, p)), p)
left_side[val] = x1
print 'Performing lookup...'
for x0 in xrange(0, B):
gBx0 = gmpy2.powmod(gB, x0, p)
if gBx0 in left_side:
x1 = left_side[gBx0]
x = x0 * B + x1
h_guess = gmpy2.powmod(g, x, p)
print 'x0 = %s, x1 = %s\nx = %s' % (x0, x1, x)
print 'Guess is', h_guess == h
break
p = gmpy2.mpz('13407807929942597099574024998205846127479365820592393377723561443721764030073546976801874298166903427690031858186486050853753882811946569946433649006084171')
h = gmpy2.mpz('3239475104050450443565264378728065788649097520952449527834792452971981976143292558073856937958553180532878928001494706097394108577585732452307673444020333')
g = gmpy2.mpz('11717829880366207009516117596335367088558084999998952205599979459063929499736583746670572176471460312928594829675428279466566527115212748467589894601965568')
B = 2**20
#buidling the table
tbl = {}
x1 = 0
x0 = 0
for i in range(0, B):
tmp = gmpy2.powmod(g, i, p) #get g^x1
tmp = gmpy2.invert(tmp, p) #get (g^x1)^-1
tmp = gmpy2.t_mod(gmpy2.mul(h, tmp), p)
hash = MD4.new(gmpy2.digits(tmp))
tbl[hash.hexdigest()] = i
#start bruteforcing
for i in range(0, B):
tmp = gmpy2.powmod(g, gmpy2.mul(B, i), p)
hash = MD4.new(gmpy2.digits(tmp))
if hash.hexdigest() in tbl:
x1 = tbl[hash.hexdigest()]
x0 = i
break
res = (x0*B) + x1
def calculate(x):
ans = mpz()
for c_i in c[::-1]:
ans = gmpy2.t_mod(gmpy2.add(gmpy2.mul(ans, x), c_i), config.q)
return ans
from gmpy2 import mpz
import random
#bit_count = 64
rand_state = gmpy2.random_state()
p = int(input("Enter p:"))
q = int(input("Enter q:"))
m = int(input("Enter m:"))
#k1=int(input())
k1 = q - 1
n2 = p - 1
l = []
w = 1
rand_state = gmpy2.random_state(42)
n1 = gmpy2.mul(p, q) #number(n)
p1 = gmpy2.mul(k1, n2) #numberphi
e = gmpy2.next_prime(q)
if gmpy2.gcd(e, p1) == 1:
d = gmpy2.invert(e, p1)
#print("d:",d)
if gmpy2.t_mod(e * d, p1) == w:
m1 = mpz(m)
c = gmpy2.powmod(m1, e, n1)
m2 = gmpy2.powmod(c, d, n1)
print(c)
print(e)
print(d)
print(n1)
#with open("copy.txt", "w") as file:
#file.write(str(q))
f.write("\nm = " + m.digits(10))
f.write("\nj(right) = " + str(j))
f.write("\ni(left) = " + str(iCurr))
f.write("\nanswer = " + ansEx.digits(10))
f.write("\ncheck g = " + answer.digits(10))
f.close()
fi = open("iCurr.txt", "w")
fi.write(iCurr.digits(10))
fi.close()
fv = open("iValue.txt", "a")
fv.write(iCurr.digits(10) + "\n")
fv.close()
sys.exit()
left = gmpy2.t_mod(gmpy2.mul(left, g), p)
iCurr += 1
# pi = gmpy2.c_div(iCurr, 10000000000)
# print "\r" + pi.digits(10) + " %",
fi = open("iCurr.txt", "w")
fi.write(iCurr.digits(10))
fi.close()
fv = open("iValue.txt", "a")
fv.write(iCurr.digits(10) + "\n")
fv.close()
# leftArray = []
# leftArray.append(-1)
def generate_poly():
global c
c = [config.h_pwd] # first coefficient is the hardened password
for i in xrange(config.max_features - 1):
tmp = config.generate_rand()
c.append(gmpy2.t_mod(tmp, config.q))
p=13407807929942597099574024998205846127479365820592393377723561443721764030073546976801874298166903427690031858186486050853753882811946569946433649006084171 g=11717829880366207009516117596335367088558084999998952205599979459063929499736583746670572176471460312928594829675428279466566527115212748467589894601965568 h=3239475104050450443565264378728065788649097520952449527834792452971981976143292558073856937958553180532878928001494706097394108577585732452307673444020333 import math # Use sqrt, floor import gmpy2 from gmpy2 import powmod, t_mod hash_table1 = set() hash_table2 = set() b = 2**20 for i in range(b): abc = t_mod(powmod(g,-1* i,p)*h,p) hash_table1.add(abc) if abc == 1514665690755317733976062484822790443518716440821123165374346884821466258735252188334799940590055744229602814470651184433499215002319025125450377832374754 : print "x1 = ", i print "1111111111111" temp = powmod(g,b,p) print "temp = ", temp for i in range(b): abc = powmod(temp,i,p) hash_table2.add(abc) if abc == 1514665690755317733976062484822790443518716440821123165374346884821466258735252188334799940590055744229602814470651184433499215002319025125450377832374754 : print "x0 = ", i print hash_table1.intersection(hash_table2)
import gmpy2
from gmpy2 import mpz
x = mpz('1000000000000000000020000000')
p = mpz('1000000000000000000001000000')
while p < 1000000000000000000010000000:
if gmpy2.is_prime(p):
y = gmpy2.t_mod(x, p)
p = gmpy2.next_prime(p)
from gmpy2 import mpz
p = mpz('13407807929942597099574024998205846127479365820592393377723561443721764030073546976801874298166903427690031858186486050853753882811946569946433649006084171')
g = mpz('11717829880366207009516117596335367088558084999998952205599979459063929499736583746670572176471460312928594829675428279466566527115212748467589894601965568')
h = mpz('3239475104050450443565264378728065788649097520952449527834792452971981976143292558073856937958553180532878928001494706097394108577585732452307673444020333');
end = (1<<20)
table = {}
print('Populating table...')
for x1 in range(0, end):
print(x1 * 100 // end, end="%\r")
gx1 = gmpy2.powmod(g, x1, p)
gx1_invert = gmpy2.invert(gx1, p)
value = gmpy2.t_mod(gmpy2.mul(h, gx1_invert), p)
table[value] = x1
print('Finding x0...')
for x0 in range(0, end):
print(x0 * 100 // end, end='%\r')
gb = gmpy2.powmod(g, end, p)
gbx0 = gmpy2.powmod(gb, x0, p)
if gbx0 in table:
x1 = table[gbx0]
x = gmpy2.t_mod(gmpy2.add(x1, gmpy2.mul(x0, end)), p)
print("x={0}".format(str(x)))
break
# set up left hand side of comparison
i = 0
leftArray = []
# get iCurr
fi = open('iCurr.txt', 'r')
iCurr = mpz(fi.readline())
fi.close()
# calculate first item
leftArray.append(gmpy2.powmod(g, iCurr, p))
i += 1
while i < m and i < maxList:
leftArray.append(gmpy2.t_mod(gmpy2.mul(leftArray[i - 1], g), p))
i += 1
# leftArray = []
# leftArray.append(-1)
# right hand side loop
# j = 0
j = 0
i = 0
for left in leftArray:
if y == left:
ansEx = gmpy2.mul(m, j) + i
answer = gmpy2.powmod(g, ansEx, p)
def generate_h_pwd():
assert q, "prime not initialized!"
global h_pwd
h_pwd = gmpy2.t_mod(generate_rand(), q)
def findfactor(x, bitlength):
factor = []
for i in xrange(2, 2**bitlength):
if t_mod(x, i) == 0:
factor.append(i)
return factor
def mod(x, m):
remainder = gmpy2.t_mod(gmpy2.mpz(x), gmpy2.mpz(m))
# gmpy2.t_mod can return negative values, but we want positive ones.
if remainder < 0:
remainder = gmpy2.add(remainder, m)
return remainder
B = mpz(2)**20
#p = mpz(104869)
#g = mpz(103221)
#h = mpz(82257)
### x = 52
#B = mpz(2)**3
dict = {}
i = mpz(0)
g_inv = gmpy2.invert(g,p)
tmp = h
while i < B:
dict[tmp] = i
tmp = gmpy2.t_mod(gmpy2.mul(tmp,g_inv),p)
i+=1
print("done with dictionary")
i = mpz(0)
gb = gmpy2.powmod(g,B,p)
tmp = mpz(1)
while i < B:
if tmp in dict:
print("x=",i*B + dict[tmp])
break
tmp = gmpy2.t_mod(gmpy2.mul(tmp,gb),p)
i+=1
print("done")
def findprimefactor(numtofactor):
for primenum in primelist2M.primelist:
if (gmpy2.t_mod(numtofactor, primenum) == 0):
return (primenum)
return (0)
g = mpz(
'11717829880366207009516117596335367088558084999998952205599979459063929499736583746670572176471460312928594829675428279466566527115212748467589894601965568'
)
h = mpz(
'3239475104050450443565264378728065788649097520952449527834792452971981976143292558073856937958553180532878928001494706097394108577585732452307673444020333'
)
B = 2**20
print("Building table")
hash_table = defaultdict(list)
# build table
for x1 in range(0, B + 1):
ginv = powmod(g, -x1, p)
mult = mul(h, ginv)
left_side = t_mod(mult, p)
hashvalue = hash(left_side)
hash_table[hashvalue] += [(left_side, x1)]
print("Table built")
g_pow_B = powmod(g, B, p)
for x0 in range(0, B + 1):
right_side = powmod(g_pow_B, x0, p)
hashvalue = hash(right_side)
if (hashvalue in hash_table):
for (left_side, x1) in hash_table[hashvalue]:
if (left_side == right_side):
print("Found value")
from gmpy2 import mpz
P = mpz(13407807929942597099574024998205846127479365820592393377723561443721764030073546976801874298166903427690031858186486050853753882811946569946433649006084171)
G = mpz(11717829880366207009516117596335367088558084999998952205599979459063929499736583746670572176471460312928594829675428279466566527115212748467589894601965568)
H = mpz(3239475104050450443565264378728065788649097520952449527834792452971981976143292558073856937958553180532878928001494706097394108577585732452307673444020333)
if __name__ == '__main__':
print('hello')
table = dict()
low, high = 0, 2 ** 20
B = high
# 1. populate table with values of the left part of equation
for x1 in range(low, high + 1):
left = gmpy2.t_mod(gmpy2.mul(H, gmpy2.invert(gmpy2.powmod(G, x1, P), P)), P)
table[left] = x1
print('step 1 done')
# 2. check each value of the right part of equation
for x0 in range(low, high + 1):
right = gmpy2.powmod(gmpy2.powmod(G, B, P), x0, P)
if right in table:
x1 = table[right]
x = x0 * B + x1
print('solution: {0}'.format(x))
print('step 2 done')
print('done')
import gmpy2, time
from gmpy2 import mpz
p = mpz(13407807929942597099574024998205846127479365820592393377723561443721764030073546976801874298166903427690031858186486050853753882811946569946433649006084171)
g = mpz(11717829880366207009516117596335367088558084999998952205599979459063929499736583746670572176471460312928594829675428279466566527115212748467589894601965568)
h = mpz(3239475104050450443565264378728065788649097520952449527834792452971981976143292558073856937958553180532878928001494706097394108577585732452307673444020333)
B = mpz(2**20)
gB = pow(g,B,p)
x0, x1 = 0, 0
d = {}
i = 2**19
start1 = time.clock()
tmp = gmpy2.invert(pow(g,i,p), p)
elapsed1 = (time.clock() - start1)
start2 = time.clock()
d[gmpy2.t_mod(gmpy2.mul(h,tmp),p)] = i
elapsed2 = (time.clock() - start2)
start3 = time.clock()
d[gmpy2.divm(h, pow(g,i,p), p)] = i
elapsed3 = (time.clock() - start2)
print(elapsed1, elapsed2, elapsed3)
m += 1
# Inverse of m
invgm = gmpy2.powmod(g, -m, p)
# to track progress
pj = mpz('0')
# pi = mpz('0')
# right hand side loop
j = 0
# Loop through right hand side
while j < m:
if j == 0:
rightpow = gmpy2.t_mod(gmpy2.mul(1, y), p)
right = rightpow
elif j == 1:
base = invgm
rightpow = invgm
right = gmpy2.t_mod(gmpy2.mul(base, y), p)
else:
rightpow = gmpy2.t_mod(gmpy2.mul(rightpow, base), p)
right = gmpy2.t_mod(gmpy2.mul(rightpow, y), p)
# set up left hand side for comparison
i = 0
while i < m:
if i == 0:
left = 1
elif i == 1:
m += 1
# Inverse of m
invgm = gmpy2.powmod(g, -m, p)
# to track progress
pj = mpz('0')
# pi = mpz('0')
# right hand side loop
j = 0
# Loop through right hand side
while j < m:
if j == 0:
rightpow = gmpy2.t_mod(gmpy2.mul(1, y), p)
right = rightpow
elif j == 1:
base = invgm
rightpow = invgm
right = gmpy2.t_mod(gmpy2.mul(base, y), p)
else:
rightpow = gmpy2.t_mod(gmpy2.mul(rightpow, base), p)
right = gmpy2.t_mod(gmpy2.mul(rightpow, y), p)
# set up left hand side for comparison
i = 0
while i < m:
if i == 0:
left = 1
elif i == 1:
def partialkey_compute(self, User):
r_u, User.Y_u = random_pick(self.p, self.q, self.g)
User.y_u = t_mod((r_u + t_mod(
self.s * H1_hash(User.uid, User.X_u, User.Y_u, bit_length(self.q)),
self.q)), self.q)
import gmpy2
from gmpy2 import mpz
x = mpz('1000000000000000000020000000')
p = mpz('1000000000000000000001000000')
while p < 1000000000000000000010000000:
if gmpy2.is_prime(p):
y = gmpy2.t_mod(x, p)
p = gmpy2.next_prime(p)
indexY = random.randint(0, MAX_N - 1)
X = arr[indexX]
Y = arr[indexY]
ans = gmpy2.add(X, Y)
addition_content += generate_exp(indexX, indexY, '+')
addition_content += generate_equal(ans)
ans = gmpy2.sub(X, Y)
subtraction_content += generate_exp(indexX, indexY, '-')
subtraction_content += generate_equal(ans)
ans = gmpy2.mul(X, Y)
multiple_content += generate_exp(indexX, indexY, '*')
multiple_content += generate_equal(ans)
ans = gmpy2.t_div(X, Y)
division_content += generate_exp(indexX, indexY, '/')
division_content += generate_equal(ans)
ans = gmpy2.t_mod(X, Y)
division_content += generate_exp(indexX, indexY, '%')
division_content += generate_equal(ans)
def write_longer(test_case_name, file_name, content):
test_case = generate_test_case(test_case_name, 'Longer',
init_content + content)
output = open(file_name, 'w')
output.write(generate_header())
output.write(test_case)
output.close()
write_longer('Addition', 'addition_longer.h', addition_content)
write_longer('Subtraction', 'subtraction_longer.h', subtraction_content)
G = mpz(
11717829880366207009516117596335367088558084999998952205599979459063929499736583746670572176471460312928594829675428279466566527115212748467589894601965568
)
H = mpz(
3239475104050450443565264378728065788649097520952449527834792452971981976143292558073856937958553180532878928001494706097394108577585732452307673444020333
)
if __name__ == '__main__':
print('hello')
table = dict()
low, high = 0, 2**20
B = high
# 1. populate table with values of the left part of equation
for x1 in range(low, high + 1):
left = gmpy2.t_mod(
gmpy2.mul(H, gmpy2.invert(gmpy2.powmod(G, x1, P), P)), P)
table[left] = x1
print('step 1 done')
# 2. check each value of the right part of equation
for x0 in range(low, high + 1):
right = gmpy2.powmod(gmpy2.powmod(G, B, P), x0, P)
if right in table:
x1 = table[right]
x = x0 * B + x1
print('solution: {0}'.format(x))
print('step 2 done')
print('done')
# set up left hand side of comparison
i = 0
leftArray = []
# get iCurr
fi = open('iCurr.txt', 'r')
iCurr = mpz(fi.readline())
fi.close()
# calculate first item
leftArray.append(gmpy2.powmod(g, iCurr, p))
i += 1
while i < m and i < maxList:
leftArray.append(gmpy2.t_mod(gmpy2.mul(leftArray[i - 1], g), p))
i += 1;
# leftArray = []
# leftArray.append(-1)
# right hand side loop
# j = 0
j = 0
i = 0
for left in leftArray:
if y == left:
ansEx = gmpy2.mul(m, j) + i
answer = gmpy2.powmod(g, ansEx, p)
p = mpz(13407807929942597099574024998205846127479365820592393377723561443721764030073546976801874298166903427690031858186486050853753882811946569946433649006084171)
g = mpz(11717829880366207009516117596335367088558084999998952205599979459063929499736583746670572176471460312928594829675428279466566527115212748467589894601965568)
h = mpz(3239475104050450443565264378728065788649097520952449527834792452971981976143292558073856937958553180532878928001494706097394108577585732452307673444020333)
B = mpz(2**20)
gB = powmod(g,B,p)
g_inv = gmpy2.invert(powmod(g,1,p), p)
x0, x1 = 0, 0
d = {}
start1 = time.clock()
for i in range(B):
tmp = t_mod(mul(h ,powmod(g_inv,i,p)), p)
d[tmp] = i
## d[gmpy2.divm(h, pow(g,i,p), p)] = i
elapsed1 = (time.clock() - start1)
test = 0
start2 = time.clock()
for i in range(B):
test = powmod(gB, i, p)
# search in hash table
if test in d:
x0, x1 = i, d[test]
def T_compute(x, y, p_pub, h1_b, w, p):
T_temp = t_mod(x * y * powmod(p_pub, h1_b, p), p)
T_value = powmod(T_temp, w, p)
return T_value
signal.signal(signal.SIGINT, signal_handler)
n = mpz('179769313486231590772930519078902473361797697894230657273430081157732675805505620686985379449212982959585501387537164015710139858647833778606925583497541085196591615128057575940752635007475935288710823649949940771895617054361149474865046711015101563940680527540071584560878577663743040086340742855278549092581')
# n = mpz('2129754913199')
# get p value
fi = open('pCurr2.txt', 'r')
p = mpz(fi.readline())
fi.close()
print p.digits(10)
# loop for prime
while p < 15000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000:
# get remainder of div(n, p)
rem = gmpy2.t_mod(n, p)
if rem == 0:
q = gmpy2.c_div(n, p)
f = open('pResult.txt', 'a')
f.write("p = " + p.digits(10) + "\n")
f.write("q = " + q.digits(10) + "\n")
f.write("n = " + n.digits(10) + "\n")
f.close()
fi = open('pCurr2.txt', 'w')
fi.write(p.digits(10))
fi.close()
fv = open('pValue2.txt', 'a')
fv.write(p.digits(10) + "\n")
def buildHash_h_by_gx(self):
for x1 in range (0, self.B + 1):
expo_gx1 = gmpy2.powmod(mpz(self.element), x1, mpz(self.prime))
inv_gx1 = gmpy2.invert(mpz(expo_gx1), mpz(self.prime))
left_x1 = gmpy2.t_mod(gmpy2.mul(mpz(self.exponent), inv_gx1), mpz(self.prime))
self.h_by_gx_hash[left_x1] = x1