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SuicidalSTDz

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SuicidalSTDz
Jan 31st, 2013
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  1. --
  2. -- Adaptation of the Secure Hashing Algorithm (SHA-244/256)
  3. -- Found Here: http://lua-users.org/wiki/SecureHashAlgorithm
  4. --
  5. -- Using an adapted version of the bit library
  6. -- Found Here: https://bitbucket.org/Boolsheet/bslf/src/1ee664885805/bit.lua
  7. --
  8. -- Adapted into a single function by GravityScore
  9. --
  10.  
  11. local function sha256(msg)
  12. local function band(int1, int2, int3, ...)
  13. local ret =
  14. ((int1%0x00000002>=0x00000001 and int2%0x00000002>=0x00000001 and 0x00000001) or 0)+
  15. ((int1%0x00000004>=0x00000002 and int2%0x00000004>=0x00000002 and 0x00000002) or 0)+
  16. ((int1%0x00000008>=0x00000004 and int2%0x00000008>=0x00000004 and 0x00000004) or 0)+
  17. ((int1%0x00000010>=0x00000008 and int2%0x00000010>=0x00000008 and 0x00000008) or 0)+
  18. ((int1%0x00000020>=0x00000010 and int2%0x00000020>=0x00000010 and 0x00000010) or 0)+
  19. ((int1%0x00000040>=0x00000020 and int2%0x00000040>=0x00000020 and 0x00000020) or 0)+
  20. ((int1%0x00000080>=0x00000040 and int2%0x00000080>=0x00000040 and 0x00000040) or 0)+
  21. ((int1%0x00000100>=0x00000080 and int2%0x00000100>=0x00000080 and 0x00000080) or 0)+
  22. ((int1%0x00000200>=0x00000100 and int2%0x00000200>=0x00000100 and 0x00000100) or 0)+
  23. ((int1%0x00000400>=0x00000200 and int2%0x00000400>=0x00000200 and 0x00000200) or 0)+
  24. ((int1%0x00000800>=0x00000400 and int2%0x00000800>=0x00000400 and 0x00000400) or 0)+
  25. ((int1%0x00001000>=0x00000800 and int2%0x00001000>=0x00000800 and 0x00000800) or 0)+
  26. ((int1%0x00002000>=0x00001000 and int2%0x00002000>=0x00001000 and 0x00001000) or 0)+
  27. ((int1%0x00004000>=0x00002000 and int2%0x00004000>=0x00002000 and 0x00002000) or 0)+
  28. ((int1%0x00008000>=0x00004000 and int2%0x00008000>=0x00004000 and 0x00004000) or 0)+
  29. ((int1%0x00010000>=0x00008000 and int2%0x00010000>=0x00008000 and 0x00008000) or 0)+
  30. ((int1%0x00020000>=0x00010000 and int2%0x00020000>=0x00010000 and 0x00010000) or 0)+
  31. ((int1%0x00040000>=0x00020000 and int2%0x00040000>=0x00020000 and 0x00020000) or 0)+
  32. ((int1%0x00080000>=0x00040000 and int2%0x00080000>=0x00040000 and 0x00040000) or 0)+
  33. ((int1%0x00100000>=0x00080000 and int2%0x00100000>=0x00080000 and 0x00080000) or 0)+
  34. ((int1%0x00200000>=0x00100000 and int2%0x00200000>=0x00100000 and 0x00100000) or 0)+
  35. ((int1%0x00400000>=0x00200000 and int2%0x00400000>=0x00200000 and 0x00200000) or 0)+
  36. ((int1%0x00800000>=0x00400000 and int2%0x00800000>=0x00400000 and 0x00400000) or 0)+
  37. ((int1%0x01000000>=0x00800000 and int2%0x01000000>=0x00800000 and 0x00800000) or 0)+
  38. ((int1%0x02000000>=0x01000000 and int2%0x02000000>=0x01000000 and 0x01000000) or 0)+
  39. ((int1%0x04000000>=0x02000000 and int2%0x04000000>=0x02000000 and 0x02000000) or 0)+
  40. ((int1%0x08000000>=0x04000000 and int2%0x08000000>=0x04000000 and 0x04000000) or 0)+
  41. ((int1%0x10000000>=0x08000000 and int2%0x10000000>=0x08000000 and 0x08000000) or 0)+
  42. ((int1%0x20000000>=0x10000000 and int2%0x20000000>=0x10000000 and 0x10000000) or 0)+
  43. ((int1%0x40000000>=0x20000000 and int2%0x40000000>=0x20000000 and 0x20000000) or 0)+
  44. ((int1%0x80000000>=0x40000000 and int2%0x80000000>=0x40000000 and 0x40000000) or 0)+
  45. ((int1>=0x80000000 and int2>=0x80000000 and 0x80000000) or 0)
  46.  
  47. return (int3 and band(ret, int3, ...)) or ret
  48. end
  49.  
  50. local function bxor(int1, int2, int3, ...)
  51. local ret =
  52. ((int1%0x00000002>=0x00000001 ~= (int2%0x00000002>=0x00000001) and 0x00000001) or 0)+
  53. ((int1%0x00000004>=0x00000002 ~= (int2%0x00000004>=0x00000002) and 0x00000002) or 0)+
  54. ((int1%0x00000008>=0x00000004 ~= (int2%0x00000008>=0x00000004) and 0x00000004) or 0)+
  55. ((int1%0x00000010>=0x00000008 ~= (int2%0x00000010>=0x00000008) and 0x00000008) or 0)+
  56. ((int1%0x00000020>=0x00000010 ~= (int2%0x00000020>=0x00000010) and 0x00000010) or 0)+
  57. ((int1%0x00000040>=0x00000020 ~= (int2%0x00000040>=0x00000020) and 0x00000020) or 0)+
  58. ((int1%0x00000080>=0x00000040 ~= (int2%0x00000080>=0x00000040) and 0x00000040) or 0)+
  59. ((int1%0x00000100>=0x00000080 ~= (int2%0x00000100>=0x00000080) and 0x00000080) or 0)+
  60. ((int1%0x00000200>=0x00000100 ~= (int2%0x00000200>=0x00000100) and 0x00000100) or 0)+
  61. ((int1%0x00000400>=0x00000200 ~= (int2%0x00000400>=0x00000200) and 0x00000200) or 0)+
  62. ((int1%0x00000800>=0x00000400 ~= (int2%0x00000800>=0x00000400) and 0x00000400) or 0)+
  63. ((int1%0x00001000>=0x00000800 ~= (int2%0x00001000>=0x00000800) and 0x00000800) or 0)+
  64. ((int1%0x00002000>=0x00001000 ~= (int2%0x00002000>=0x00001000) and 0x00001000) or 0)+
  65. ((int1%0x00004000>=0x00002000 ~= (int2%0x00004000>=0x00002000) and 0x00002000) or 0)+
  66. ((int1%0x00008000>=0x00004000 ~= (int2%0x00008000>=0x00004000) and 0x00004000) or 0)+
  67. ((int1%0x00010000>=0x00008000 ~= (int2%0x00010000>=0x00008000) and 0x00008000) or 0)+
  68. ((int1%0x00020000>=0x00010000 ~= (int2%0x00020000>=0x00010000) and 0x00010000) or 0)+
  69. ((int1%0x00040000>=0x00020000 ~= (int2%0x00040000>=0x00020000) and 0x00020000) or 0)+
  70. ((int1%0x00080000>=0x00040000 ~= (int2%0x00080000>=0x00040000) and 0x00040000) or 0)+
  71. ((int1%0x00100000>=0x00080000 ~= (int2%0x00100000>=0x00080000) and 0x00080000) or 0)+
  72. ((int1%0x00200000>=0x00100000 ~= (int2%0x00200000>=0x00100000) and 0x00100000) or 0)+
  73. ((int1%0x00400000>=0x00200000 ~= (int2%0x00400000>=0x00200000) and 0x00200000) or 0)+
  74. ((int1%0x00800000>=0x00400000 ~= (int2%0x00800000>=0x00400000) and 0x00400000) or 0)+
  75. ((int1%0x01000000>=0x00800000 ~= (int2%0x01000000>=0x00800000) and 0x00800000) or 0)+
  76. ((int1%0x02000000>=0x01000000 ~= (int2%0x02000000>=0x01000000) and 0x01000000) or 0)+
  77. ((int1%0x04000000>=0x02000000 ~= (int2%0x04000000>=0x02000000) and 0x02000000) or 0)+
  78. ((int1%0x08000000>=0x04000000 ~= (int2%0x08000000>=0x04000000) and 0x04000000) or 0)+
  79. ((int1%0x10000000>=0x08000000 ~= (int2%0x10000000>=0x08000000) and 0x08000000) or 0)+
  80. ((int1%0x20000000>=0x10000000 ~= (int2%0x20000000>=0x10000000) and 0x10000000) or 0)+
  81. ((int1%0x40000000>=0x20000000 ~= (int2%0x40000000>=0x20000000) and 0x20000000) or 0)+
  82. ((int1%0x80000000>=0x40000000 ~= (int2%0x80000000>=0x40000000) and 0x40000000) or 0)+
  83. ((int1>=0x80000000 ~= (int2>=0x80000000) and 0x80000000) or 0)
  84.  
  85. return (int3 and bxor(ret, int3, ...)) or ret
  86. end
  87.  
  88. local function bnot(int)
  89. return 4294967295 - int
  90. end
  91.  
  92. local function rshift(int, by)
  93. local shifted = int / (2 ^ by)
  94. return shifted - shifted % 1
  95. end
  96.  
  97. local function rrotate(int, by)
  98. local shifted = int / (2 ^ by)
  99. local fraction = shifted % 1
  100. return (shifted - fraction) + fraction * (2 ^ 32)
  101. end
  102.  
  103. local k = {
  104. 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
  105. 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
  106. 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
  107. 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
  108. 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
  109. 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
  110. 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
  111. 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
  112. 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
  113. 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
  114. 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
  115. 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
  116. 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
  117. 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
  118. 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
  119. 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2,
  120. }
  121.  
  122. local function str2hexa(s)
  123. local h = string.gsub(s, ".", function(c)
  124. return string.format("%02x", string.byte(c))
  125. end)
  126. return h
  127. end
  128.  
  129. local function num2s(l, n)
  130. local s = ""
  131. for i = 1, n do
  132. local rem = l % 256
  133. s = string.char(rem) .. s
  134. l = (l - rem) / 256
  135. end
  136. return s
  137. end
  138.  
  139. local function s232num(s, i)
  140. local n = 0
  141. for i = i, i + 3 do n = n*256 + string.byte(s, i) end
  142. return n
  143. end
  144.  
  145. local function preproc(msg, len)
  146. local extra = 64 - ((len + 1 + 8) % 64)
  147. len = num2s(8 * len, 8)
  148. msg = msg .. "\128" .. string.rep("\0", extra) .. len
  149. return msg
  150. end
  151.  
  152. local function initH256(H)
  153. H[1] = 0x6a09e667
  154. H[2] = 0xbb67ae85
  155. H[3] = 0x3c6ef372
  156. H[4] = 0xa54ff53a
  157. H[5] = 0x510e527f
  158. H[6] = 0x9b05688c
  159. H[7] = 0x1f83d9ab
  160. H[8] = 0x5be0cd19
  161. return H
  162. end
  163.  
  164. local function digestblock(msg, i, H)
  165. local w = {}
  166. for j = 1, 16 do w[j] = s232num(msg, i + (j - 1) * 4) end
  167. for j = 17, 64 do
  168. local v = w[j - 15]
  169. local s0 = bxor(rrotate(v, 7), rrotate(v, 18), rshift(v, 3))
  170. v = w[j - 2]
  171. local s1 = bxor(rrotate(v, 17), rrotate(v, 19), rshift(v, 10))
  172. w[j] = w[j - 16] + s0 + w[j - 7] + s1
  173. end
  174.  
  175. local a, b, c, d, e, f, g, h = H[1], H[2], H[3], H[4], H[5], H[6], H[7], H[8]
  176. for i = 1, 64 do
  177. local s0 = bxor(rrotate(a, 2), rrotate(a, 13), rrotate(a, 22))
  178. local maj = bxor(band(a, b), band(a, c), band(b, c))
  179. local t2 = s0 + maj
  180. local s1 = bxor(rrotate(e, 6), rrotate(e, 11), rrotate(e, 25))
  181. local ch = bxor (band(e, f), band(bnot(e), g))
  182. local t1 = h + s1 + ch + k[i] + w[i]
  183. h, g, f, e, d, c, b, a = g, f, e, d + t1, c, b, a, t1 + t2
  184. end
  185.  
  186. H[1] = band(H[1], a)
  187. H[2] = band(H[2], b)
  188. H[3] = band(H[3], c)
  189. H[4] = band(H[4], d)
  190. H[5] = band(H[5], e)
  191. H[6] = band(H[6], f)
  192. H[7] = band(H[7], g)
  193. H[8] = band(H[8], h)
  194. end
  195.  
  196. msg = preproc(msg, #msg)
  197. local H = initH256({})
  198. for i = 1, #msg, 64 do digestblock(msg, i, H) end
  199. return str2hexa(num2s(H[1], 4) .. num2s(H[2], 4) .. num2s(H[3], 4) .. num2s(H[4], 4) ..
  200. num2s(H[5], 4) .. num2s(H[6], 4) .. num2s(H[7], 4) .. num2s(H[8], 4))
  201. end
  202. local stringToHash = "Username"
  203. local hash = sha256(stringToHash)
  204. print(hash)
  205. local inputHash = read()
  206. local hash = sha256(inputHash)
  207. print(hash)
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