A local copy of OpenSSL from GitHub
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  1. /* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
  2. * All rights reserved.
  3. *
  4. * This package is an SSL implementation written
  5. * by Eric Young (eay@cryptsoft.com).
  6. * The implementation was written so as to conform with Netscapes SSL.
  7. *
  8. * This library is free for commercial and non-commercial use as long as
  9. * the following conditions are aheared to. The following conditions
  10. * apply to all code found in this distribution, be it the RC4, RSA,
  11. * lhash, DES, etc., code; not just the SSL code. The SSL documentation
  12. * included with this distribution is covered by the same copyright terms
  13. * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  14. *
  15. * Copyright remains Eric Young's, and as such any Copyright notices in
  16. * the code are not to be removed.
  17. * If this package is used in a product, Eric Young should be given attribution
  18. * as the author of the parts of the library used.
  19. * This can be in the form of a textual message at program startup or
  20. * in documentation (online or textual) provided with the package.
  21. *
  22. * Redistribution and use in source and binary forms, with or without
  23. * modification, are permitted provided that the following conditions
  24. * are met:
  25. * 1. Redistributions of source code must retain the copyright
  26. * notice, this list of conditions and the following disclaimer.
  27. * 2. Redistributions in binary form must reproduce the above copyright
  28. * notice, this list of conditions and the following disclaimer in the
  29. * documentation and/or other materials provided with the distribution.
  30. * 3. All advertising materials mentioning features or use of this software
  31. * must display the following acknowledgement:
  32. * "This product includes cryptographic software written by
  33. * Eric Young (eay@cryptsoft.com)"
  34. * The word 'cryptographic' can be left out if the rouines from the library
  35. * being used are not cryptographic related :-).
  36. * 4. If you include any Windows specific code (or a derivative thereof) from
  37. * the apps directory (application code) you must include an acknowledgement:
  38. * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  39. *
  40. * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  41. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  42. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  43. * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  44. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  45. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  46. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  48. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  49. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  50. * SUCH DAMAGE.
  51. *
  52. * The licence and distribution terms for any publically available version or
  53. * derivative of this code cannot be changed. i.e. this code cannot simply be
  54. * copied and put under another distribution licence
  55. * [including the GNU Public Licence.]
  56. */
  57. #ifndef HEADER_DES_H
  58. # define HEADER_DES_H
  59. # include <openssl/opensslconf.h>
  60. # ifndef OPENSSL_NO_DES
  61. # ifdef __cplusplus
  62. extern "C" {
  63. # endif
  64. # include <openssl/e_os2.h>
  65. typedef unsigned int DES_LONG;
  66. # ifdef OPENSSL_BUILD_SHLIBCRYPTO
  67. # undef OPENSSL_EXTERN
  68. # define OPENSSL_EXTERN OPENSSL_EXPORT
  69. # endif
  70. typedef unsigned char DES_cblock[8];
  71. typedef /* const */ unsigned char const_DES_cblock[8];
  72. /*
  73. * With "const", gcc 2.8.1 on Solaris thinks that DES_cblock * and
  74. * const_DES_cblock * are incompatible pointer types.
  75. */
  76. typedef struct DES_ks {
  77. union {
  78. DES_cblock cblock;
  79. /*
  80. * make sure things are correct size on machines with 8 byte longs
  81. */
  82. DES_LONG deslong[2];
  83. } ks[16];
  84. } DES_key_schedule;
  85. # define DES_KEY_SZ (sizeof(DES_cblock))
  86. # define DES_SCHEDULE_SZ (sizeof(DES_key_schedule))
  87. # define DES_ENCRYPT 1
  88. # define DES_DECRYPT 0
  89. # define DES_CBC_MODE 0
  90. # define DES_PCBC_MODE 1
  91. # define DES_ecb2_encrypt(i,o,k1,k2,e) \
  92. DES_ecb3_encrypt((i),(o),(k1),(k2),(k1),(e))
  93. # define DES_ede2_cbc_encrypt(i,o,l,k1,k2,iv,e) \
  94. DES_ede3_cbc_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(e))
  95. # define DES_ede2_cfb64_encrypt(i,o,l,k1,k2,iv,n,e) \
  96. DES_ede3_cfb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n),(e))
  97. # define DES_ede2_ofb64_encrypt(i,o,l,k1,k2,iv,n) \
  98. DES_ede3_ofb64_encrypt((i),(o),(l),(k1),(k2),(k1),(iv),(n))
  99. OPENSSL_DECLARE_GLOBAL(int, DES_check_key); /* defaults to false */
  100. # define DES_check_key OPENSSL_GLOBAL_REF(DES_check_key)
  101. const char *DES_options(void);
  102. void DES_ecb3_encrypt(const_DES_cblock *input, DES_cblock *output,
  103. DES_key_schedule *ks1, DES_key_schedule *ks2,
  104. DES_key_schedule *ks3, int enc);
  105. DES_LONG DES_cbc_cksum(const unsigned char *input, DES_cblock *output,
  106. long length, DES_key_schedule *schedule,
  107. const_DES_cblock *ivec);
  108. /* DES_cbc_encrypt does not update the IV! Use DES_ncbc_encrypt instead. */
  109. void DES_cbc_encrypt(const unsigned char *input, unsigned char *output,
  110. long length, DES_key_schedule *schedule,
  111. DES_cblock *ivec, int enc);
  112. void DES_ncbc_encrypt(const unsigned char *input, unsigned char *output,
  113. long length, DES_key_schedule *schedule,
  114. DES_cblock *ivec, int enc);
  115. void DES_xcbc_encrypt(const unsigned char *input, unsigned char *output,
  116. long length, DES_key_schedule *schedule,
  117. DES_cblock *ivec, const_DES_cblock *inw,
  118. const_DES_cblock *outw, int enc);
  119. void DES_cfb_encrypt(const unsigned char *in, unsigned char *out, int numbits,
  120. long length, DES_key_schedule *schedule,
  121. DES_cblock *ivec, int enc);
  122. void DES_ecb_encrypt(const_DES_cblock *input, DES_cblock *output,
  123. DES_key_schedule *ks, int enc);
  124. /*
  125. * This is the DES encryption function that gets called by just about every
  126. * other DES routine in the library. You should not use this function except
  127. * to implement 'modes' of DES. I say this because the functions that call
  128. * this routine do the conversion from 'char *' to long, and this needs to be
  129. * done to make sure 'non-aligned' memory access do not occur. The
  130. * characters are loaded 'little endian'. Data is a pointer to 2 unsigned
  131. * long's and ks is the DES_key_schedule to use. enc, is non zero specifies
  132. * encryption, zero if decryption.
  133. */
  134. void DES_encrypt1(DES_LONG *data, DES_key_schedule *ks, int enc);
  135. /*
  136. * This functions is the same as DES_encrypt1() except that the DES initial
  137. * permutation (IP) and final permutation (FP) have been left out. As for
  138. * DES_encrypt1(), you should not use this function. It is used by the
  139. * routines in the library that implement triple DES. IP() DES_encrypt2()
  140. * DES_encrypt2() DES_encrypt2() FP() is the same as DES_encrypt1()
  141. * DES_encrypt1() DES_encrypt1() except faster :-).
  142. */
  143. void DES_encrypt2(DES_LONG *data, DES_key_schedule *ks, int enc);
  144. void DES_encrypt3(DES_LONG *data, DES_key_schedule *ks1,
  145. DES_key_schedule *ks2, DES_key_schedule *ks3);
  146. void DES_decrypt3(DES_LONG *data, DES_key_schedule *ks1,
  147. DES_key_schedule *ks2, DES_key_schedule *ks3);
  148. void DES_ede3_cbc_encrypt(const unsigned char *input, unsigned char *output,
  149. long length,
  150. DES_key_schedule *ks1, DES_key_schedule *ks2,
  151. DES_key_schedule *ks3, DES_cblock *ivec, int enc);
  152. void DES_ede3_cfb64_encrypt(const unsigned char *in, unsigned char *out,
  153. long length, DES_key_schedule *ks1,
  154. DES_key_schedule *ks2, DES_key_schedule *ks3,
  155. DES_cblock *ivec, int *num, int enc);
  156. void DES_ede3_cfb_encrypt(const unsigned char *in, unsigned char *out,
  157. int numbits, long length, DES_key_schedule *ks1,
  158. DES_key_schedule *ks2, DES_key_schedule *ks3,
  159. DES_cblock *ivec, int enc);
  160. void DES_ede3_ofb64_encrypt(const unsigned char *in, unsigned char *out,
  161. long length, DES_key_schedule *ks1,
  162. DES_key_schedule *ks2, DES_key_schedule *ks3,
  163. DES_cblock *ivec, int *num);
  164. char *DES_fcrypt(const char *buf, const char *salt, char *ret);
  165. char *DES_crypt(const char *buf, const char *salt);
  166. void DES_ofb_encrypt(const unsigned char *in, unsigned char *out, int numbits,
  167. long length, DES_key_schedule *schedule,
  168. DES_cblock *ivec);
  169. void DES_pcbc_encrypt(const unsigned char *input, unsigned char *output,
  170. long length, DES_key_schedule *schedule,
  171. DES_cblock *ivec, int enc);
  172. DES_LONG DES_quad_cksum(const unsigned char *input, DES_cblock output[],
  173. long length, int out_count, DES_cblock *seed);
  174. int DES_random_key(DES_cblock *ret);
  175. void DES_set_odd_parity(DES_cblock *key);
  176. int DES_check_key_parity(const_DES_cblock *key);
  177. int DES_is_weak_key(const_DES_cblock *key);
  178. /*
  179. * DES_set_key (= set_key = DES_key_sched = key_sched) calls
  180. * DES_set_key_checked if global variable DES_check_key is set,
  181. * DES_set_key_unchecked otherwise.
  182. */
  183. int DES_set_key(const_DES_cblock *key, DES_key_schedule *schedule);
  184. int DES_key_sched(const_DES_cblock *key, DES_key_schedule *schedule);
  185. int DES_set_key_checked(const_DES_cblock *key, DES_key_schedule *schedule);
  186. void DES_set_key_unchecked(const_DES_cblock *key, DES_key_schedule *schedule);
  187. void DES_string_to_key(const char *str, DES_cblock *key);
  188. void DES_string_to_2keys(const char *str, DES_cblock *key1, DES_cblock *key2);
  189. void DES_cfb64_encrypt(const unsigned char *in, unsigned char *out,
  190. long length, DES_key_schedule *schedule,
  191. DES_cblock *ivec, int *num, int enc);
  192. void DES_ofb64_encrypt(const unsigned char *in, unsigned char *out,
  193. long length, DES_key_schedule *schedule,
  194. DES_cblock *ivec, int *num);
  195. # define DES_fixup_key_parity DES_set_odd_parity
  196. # ifdef __cplusplus
  197. }
  198. # endif
  199. # endif
  200. #endif