Merge pull request #9 from Cryptonite-MIT/rajat

crypto pw chal

misc/password.py

@@ -0,0 +1,56 @@
+import itertools
+from z3 import *
+import math
+def test():
+    chars = "0013AABEEFGHMMNNPRTUUY._LKZT"
+    l = list(chars)
+    ll = []
+    for k in l:
+        ll.append(ord(k))
+    print(ll)
+    a = [Real(f'{i}') for i in range(28)]
+    s = Solver()
+    s.add(a[0]+a[1]+a[2]+a[3]+a[4]+a[5]+a[6]+a[7]+a[8]+a[9]+a[10]+a[11]+a[12]+a[13]+a[14]+a[15]+a[16]+a[17]+a[18]+a[19]+a[20]+a[21]+a[22]+a[23]+a[24]+a[25]+a[26]+a[27] == 2024)
+    #s.add(a[0]^a[1]^a[2]^a[3]^a[4]^a[5]^a[6]^a[7]^a[8]^a[9]^a[10]^a[11]^a[12]^a[13]^a[14]^a[15]^a[16]^a[17]^a[18]^a[19]^a[20]^a[21]^a[22]^a[23]^a[24]^a[25]^a[26]^a[27] == 126)
+    s.add(a[0] - a[1] == 1)
+    # s.add(a[0] == ord('L'))
+    # s.add(a[1] == ord('K'))
+    # s.add(a[2] == ord('Z'))
+    s.add(ToInt(a[1] * a[2] * a[3] / 1846) == 277)
+    s.add(a[4] + a[5] - a[6] + a[7] == 114)
+    s.add(ToInt(a[8] * a[9] / a[10] * a[11]) == 3249)
+    s.add(ToInt(a[13] / a[12] / a[14] * a[15]) == 1)
+    s.add(a[18] == ord('T'))
+    s.add(a[6] == a[17])
+    s.add(ToInt(a[19] * a[20] / a[21]) == 46)
+    s.add(a[22] + a[23] - a[24] == 116)
+    s.add(a[25] + a[26] + a[27] == 138)
+    p = 0
+    for i in range(0,28):
+        s.add(a[i] in ll)
+        print(i)
+    # for i in range(0,28):
+    #     p = p<<5 - p + a[i]
+    # s.add(p == -685590366)
+    print(s.check())
+    model = s.model()
+    print(model)
+    # flag = ''.join([chr(int(str(model[a[i]]))) for i in range(len(model))])
+    # print(flag)
+def solve():
+    sum = 0
+    x = 0
+    # chars = "0013AABEEFGHMMNNPRTUUY._LKZT"
+    chars = "ZYPH.BFHT00AHL030FT.10UM...."
+    # final ="LKZ"
+    # final[18] = "T"
+    # perm = itertools.permutations(chars, 6)
+    # for i in perm:
+    #     if ord(i[0])*ord(i[1])/ord(i[2])==46 and ord(i[3])+ord(i[4])-ord(i[5])==116 and ord(i[6])+ord(i[7])+ord(i[8])==138:
+    #         print(i)
+
+    for i in chars:
+        sum+=ord(i)
+        x=x^ord(i)
+    print(sum, x)
+solve()