#!/usr/bin/env python
# -*- encoding: utf-8 -*-
'''
@Author  :   liuyuqi
@Contact :   liuyuqi.gov@msn.cn
@Time    :   2019/11/25 19:55:56
@Version :   1.0
@License :   (C)Copyright 2019
@Desc    :   None
'''

LicenseID = 'CN123-12345-12345-12345'
RequestCode = 'RW634-RPMLN-Q8FKG-MXPT7'
B16 = '0123456789ABCDEF'
B30 = '123456789ABCDEFGHJKLMNPQRTVWXY'
import hashlib

def B(n, f, t):
    xx = 0
    for d in str(n):
        xx = xx * len(f) + f.index(d)
    res = ''
    while xx > 0:
        res = t[int(xx % len(t))] + res
        xx //= len(t)
    return res

def S(D):
    r = B(''.join([c for i, c in enumerate(D) if i // 2 * 2 == i]), B16, B30)
    while len(r) < 17:
        r = '1' + r
    return r

def A(c):
    return c[:5] + '-' + c[5:10] + '-' + c[10:15] + '-' + c[15:]

if __name__ == "__main__":
  h = hashlib.sha1()
  h.update(RequestCode.encode('utf-8') + LicenseID.encode('utf-8'))
  lichash = A(RequestCode[:3] + S(h.hexdigest().upper()))
  data = [23, 161, 47, 9]
  tmp = 0
  realcode = ''
  for i in data:
      for j in lichash:
          tmp = (tmp * i + ord(j)) & 0xFFFFF
      realcode += format(tmp, '=05X')
      tmp = 0
  D = B(realcode, B16, B30)
  while len(D) < 17:
      D = '1' + D
  print("The Activation Code is: " + A('AXX' + D))