md4_locl.h 4.8 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113
  1. /* crypto/md4/md4_locl.h */
  2. /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  3. * All rights reserved.
  4. *
  5. * This package is an SSL implementation written
  6. * by Eric Young (eay@cryptsoft.com).
  7. * The implementation was written so as to conform with Netscapes SSL.
  8. *
  9. * This library is free for commercial and non-commercial use as long as
  10. * the following conditions are aheared to. The following conditions
  11. * apply to all code found in this distribution, be it the RC4, RSA,
  12. * lhash, DES, etc., code; not just the SSL code. The SSL documentation
  13. * included with this distribution is covered by the same copyright terms
  14. * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15. *
  16. * Copyright remains Eric Young's, and as such any Copyright notices in
  17. * the code are not to be removed.
  18. * If this package is used in a product, Eric Young should be given attribution
  19. * as the author of the parts of the library used.
  20. * This can be in the form of a textual message at program startup or
  21. * in documentation (online or textual) provided with the package.
  22. *
  23. * Redistribution and use in source and binary forms, with or without
  24. * modification, are permitted provided that the following conditions
  25. * are met:
  26. * 1. Redistributions of source code must retain the copyright
  27. * notice, this list of conditions and the following disclaimer.
  28. * 2. Redistributions in binary form must reproduce the above copyright
  29. * notice, this list of conditions and the following disclaimer in the
  30. * documentation and/or other materials provided with the distribution.
  31. * 3. All advertising materials mentioning features or use of this software
  32. * must display the following acknowledgement:
  33. * "This product includes cryptographic software written by
  34. * Eric Young (eay@cryptsoft.com)"
  35. * The word 'cryptographic' can be left out if the rouines from the library
  36. * being used are not cryptographic related :-).
  37. * 4. If you include any Windows specific code (or a derivative thereof) from
  38. * the apps directory (application code) you must include an acknowledgement:
  39. * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40. *
  41. * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44. * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51. * SUCH DAMAGE.
  52. *
  53. * The licence and distribution terms for any publically available version or
  54. * derivative of this code cannot be changed. i.e. this code cannot simply be
  55. * copied and put under another distribution licence
  56. * [including the GNU Public Licence.]
  57. */
  58. #include <stdlib.h>
  59. #include <string.h>
  60. #include <openssl/opensslconf.h>
  61. #include <openssl/md4.h>
  62. #ifndef MD4_LONG_LOG2
  63. # define MD4_LONG_LOG2 2 /* default to 32 bits */
  64. #endif
  65. void md4_block_data_order(MD4_CTX *c, const void *p, size_t num);
  66. #define DATA_ORDER_IS_LITTLE_ENDIAN
  67. #define HASH_LONG MD4_LONG
  68. #define HASH_CTX MD4_CTX
  69. #define HASH_CBLOCK MD4_CBLOCK
  70. #define HASH_UPDATE MD4_Update
  71. #define HASH_TRANSFORM MD4_Transform
  72. #define HASH_FINAL MD4_Final
  73. #define HASH_MAKE_STRING(c,s) do { \
  74. unsigned long ll; \
  75. ll=(c)->A; HOST_l2c(ll,(s)); \
  76. ll=(c)->B; HOST_l2c(ll,(s)); \
  77. ll=(c)->C; HOST_l2c(ll,(s)); \
  78. ll=(c)->D; HOST_l2c(ll,(s)); \
  79. } while (0)
  80. #define HASH_BLOCK_DATA_ORDER md4_block_data_order
  81. #include "md32_common.h"
  82. /*-
  83. #define F(x,y,z) (((x) & (y)) | ((~(x)) & (z)))
  84. #define G(x,y,z) (((x) & (y)) | ((x) & ((z))) | ((y) & ((z))))
  85. */
  86. /*
  87. * As pointed out by Wei Dai <weidai@eskimo.com>, the above can be simplified
  88. * to the code below. Wei attributes these optimizations to Peter Gutmann's
  89. * SHS code, and he attributes it to Rich Schroeppel.
  90. */
  91. #define F(b,c,d) ((((c) ^ (d)) & (b)) ^ (d))
  92. #define G(b,c,d) (((b) & (c)) | ((b) & (d)) | ((c) & (d)))
  93. #define H(b,c,d) ((b) ^ (c) ^ (d))
  94. #define R0(a,b,c,d,k,s,t) { \
  95. a+=((k)+(t)+F((b),(c),(d))); \
  96. a=ROTATE(a,s); };
  97. #define R1(a,b,c,d,k,s,t) { \
  98. a+=((k)+(t)+G((b),(c),(d))); \
  99. a=ROTATE(a,s); };\
  100. #define R2(a,b,c,d,k,s,t) { \
  101. a+=((k)+(t)+H((b),(c),(d))); \
  102. a=ROTATE(a,s); };