Counter Strike : Global Offensive Source Code
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  1. // md5.cpp - modified by Wei Dai from Colin Plumb's public domain md5.c
  2. // any modifications are placed in the public domain
  3. #include "pch.h"
  4. #define CRYPTOPP_ENABLE_NAMESPACE_WEAK 1
  5. #include "md5.h"
  6. #include "misc.h"
  7. NAMESPACE_BEGIN(CryptoPP)
  8. namespace Weak1 {
  9. void MD5_TestInstantiations()
  10. {
  11. MD5 x;
  12. }
  13. void MD5::InitState(HashWordType *state)
  14. {
  15. state[0] = 0x67452301L;
  16. state[1] = 0xefcdab89L;
  17. state[2] = 0x98badcfeL;
  18. state[3] = 0x10325476L;
  19. }
  20. void MD5::Transform (word32 *digest, const word32 *in)
  21. {
  22. // #define F1(x, y, z) (x & y | ~x & z)
  23. #define F1(x, y, z) (z ^ (x & (y ^ z)))
  24. #define F2(x, y, z) F1(z, x, y)
  25. #define F3(x, y, z) (x ^ y ^ z)
  26. #define F4(x, y, z) (y ^ (x | ~z))
  27. #define MD5STEP(f, w, x, y, z, data, s) \
  28. w = rotlFixed(w + f(x, y, z) + data, s) + x
  29. word32 a, b, c, d;
  30. a=digest[0];
  31. b=digest[1];
  32. c=digest[2];
  33. d=digest[3];
  34. MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
  35. MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
  36. MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17);
  37. MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
  38. MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
  39. MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12);
  40. MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17);
  41. MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22);
  42. MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7);
  43. MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
  44. MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
  45. MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);
  46. MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);
  47. MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
  48. MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
  49. MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
  50. MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5);
  51. MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9);
  52. MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
  53. MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
  54. MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5);
  55. MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
  56. MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
  57. MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
  58. MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
  59. MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
  60. MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
  61. MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20);
  62. MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
  63. MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
  64. MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14);
  65. MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
  66. MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4);
  67. MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11);
  68. MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
  69. MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
  70. MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4);
  71. MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
  72. MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
  73. MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
  74. MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
  75. MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
  76. MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
  77. MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23);
  78. MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
  79. MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
  80. MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
  81. MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
  82. MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6);
  83. MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10);
  84. MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
  85. MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21);
  86. MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
  87. MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
  88. MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
  89. MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21);
  90. MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
  91. MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
  92. MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15);
  93. MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
  94. MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6);
  95. MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
  96. MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
  97. MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
  98. digest[0]+=a;
  99. digest[1]+=b;
  100. digest[2]+=c;
  101. digest[3]+=d;
  102. }
  103. }
  104. NAMESPACE_END