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set_key.c
资源名称：wow-313-source.rar　[点击查看]
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上传日期：2020-08-09
资源大小：39506k
文件大小：16k
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其他游戏

开发平台：

Visual C++

set_key.c：源码内容
  1. /* crypto/des/set_key.c */
  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.  */
  59. /* set_key.c v 1.4 eay 24/9/91
  60.  * 1.4 Speed up by 400% :-)
  61.  * 1.3 added register declarations.
  62.  * 1.2 unrolled make_key_sched a bit more
  63.  * 1.1 added norm_expand_bits
  64.  * 1.0 First working version
  65.  */
  66. #include "des_locl.h"
  68. OPENSSL_IMPLEMENT_GLOBAL(int,DES_check_key); /* defaults to false */
  70. static const unsigned char odd_parity[256]={
  71.   1,  1,  2,  2,  4,  4,  7,  7,  8,  8, 11, 11, 13, 13, 14, 14,
  72.  16, 16, 19, 19, 21, 21, 22, 22, 25, 25, 26, 26, 28, 28, 31, 31,
  73.  32, 32, 35, 35, 37, 37, 38, 38, 41, 41, 42, 42, 44, 44, 47, 47,
  74.  49, 49, 50, 50, 52, 52, 55, 55, 56, 56, 59, 59, 61, 61, 62, 62,
  75.  64, 64, 67, 67, 69, 69, 70, 70, 73, 73, 74, 74, 76, 76, 79, 79,
  76.  81, 81, 82, 82, 84, 84, 87, 87, 88, 88, 91, 91, 93, 93, 94, 94,
  77.  97, 97, 98, 98,100,100,103,103,104,104,107,107,109,109,110,110,
  78. 112,112,115,115,117,117,118,118,121,121,122,122,124,124,127,127,
  79. 128,128,131,131,133,133,134,134,137,137,138,138,140,140,143,143,
  80. 145,145,146,146,148,148,151,151,152,152,155,155,157,157,158,158,
  81. 161,161,162,162,164,164,167,167,168,168,171,171,173,173,174,174,
  82. 176,176,179,179,181,181,182,182,185,185,186,186,188,188,191,191,
  83. 193,193,194,194,196,196,199,199,200,200,203,203,205,205,206,206,
  84. 208,208,211,211,213,213,214,214,217,217,218,218,220,220,223,223,
  85. 224,224,227,227,229,229,230,230,233,233,234,234,236,236,239,239,
  86. 241,241,242,242,244,244,247,247,248,248,251,251,253,253,254,254};
  88. void DES_set_odd_parity(DES_cblock *key)
  89. {
  90. unsigned int i;
  92. for (i=0; i<DES_KEY_SZ; i++)
  93. (*key)[i]=odd_parity[(*key)[i]];
  94. }
  96. int DES_check_key_parity(const_DES_cblock *key)
  97. {
  98. unsigned int i;
  100. for (i=0; i<DES_KEY_SZ; i++)
  101. {
  102. if ((*key)[i] != odd_parity[(*key)[i]])
  103. return(0);
  104. }
  105. return(1);
  106. }
  108. /* Weak and semi week keys as take from
  109.  * %A D.W. Davies
  110.  * %A W.L. Price
  111.  * %T Security for Computer Networks
  112.  * %I John Wiley & Sons
  113.  * %D 1984
  114.  * Many thanks to smb@ulysses.att.com (Steven Bellovin) for the reference
  115.  * (and actual cblock values).
  116.  */
  117. #define NUM_WEAK_KEY 16
  118. static DES_cblock weak_keys[NUM_WEAK_KEY]={
  119. /* weak keys */
  120. {0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01},
  121. {0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE,0xFE},
  122. {0x1F,0x1F,0x1F,0x1F,0x0E,0x0E,0x0E,0x0E},
  123. {0xE0,0xE0,0xE0,0xE0,0xF1,0xF1,0xF1,0xF1},
  124. /* semi-weak keys */
  125. {0x01,0xFE,0x01,0xFE,0x01,0xFE,0x01,0xFE},
  126. {0xFE,0x01,0xFE,0x01,0xFE,0x01,0xFE,0x01},
  127. {0x1F,0xE0,0x1F,0xE0,0x0E,0xF1,0x0E,0xF1},
  128. {0xE0,0x1F,0xE0,0x1F,0xF1,0x0E,0xF1,0x0E},
  129. {0x01,0xE0,0x01,0xE0,0x01,0xF1,0x01,0xF1},
  130. {0xE0,0x01,0xE0,0x01,0xF1,0x01,0xF1,0x01},
  131. {0x1F,0xFE,0x1F,0xFE,0x0E,0xFE,0x0E,0xFE},
  132. {0xFE,0x1F,0xFE,0x1F,0xFE,0x0E,0xFE,0x0E},
  133. {0x01,0x1F,0x01,0x1F,0x01,0x0E,0x01,0x0E},
  134. {0x1F,0x01,0x1F,0x01,0x0E,0x01,0x0E,0x01},
  135. {0xE0,0xFE,0xE0,0xFE,0xF1,0xFE,0xF1,0xFE},
  136. {0xFE,0xE0,0xFE,0xE0,0xFE,0xF1,0xFE,0xF1}};
  138. int DES_is_weak_key(const_DES_cblock *key)
  139. {
  140. int i;
  142. for (i=0; i<NUM_WEAK_KEY; i++)
  143. /* Added == 0 to comparison, I obviously don't run
  144.  * this section very often :-(, thanks to
  145.  * engineering@MorningStar.Com for the fix
  146.  * eay 93/06/29
  147.  * Another problem, I was comparing only the first 4
  148.  * bytes, 97/03/18 */
  149. if (memcmp(weak_keys[i],key,sizeof(DES_cblock)) == 0) return(1);
  150. return(0);
  151. }
  153. /* NOW DEFINED IN des_local.h
  154.  * See ecb_encrypt.c for a pseudo description of these macros. 
  155.  * #define PERM_OP(a,b,t,n,m) ((t)=((((a)>>(n))^(b))&(m)),
  156.  *  (b)^=(t),
  157.  *  (a)=((a)^((t)<<(n))))
  158.  */
  160. #define HPERM_OP(a,t,n,m) ((t)=((((a)<<(16-(n)))^(a))&(m)),
  161. (a)=(a)^(t)^(t>>(16-(n))))
  163. static const DES_LONG des_skb[8][64]={
  164. {
  165. /* for C bits (numbered as per FIPS 46) 1 2 3 4 5 6 */
  166. 0x00000000L,0x00000010L,0x20000000L,0x20000010L,
  167. 0x00010000L,0x00010010L,0x20010000L,0x20010010L,
  168. 0x00000800L,0x00000810L,0x20000800L,0x20000810L,
  169. 0x00010800L,0x00010810L,0x20010800L,0x20010810L,
  170. 0x00000020L,0x00000030L,0x20000020L,0x20000030L,
  171. 0x00010020L,0x00010030L,0x20010020L,0x20010030L,
  172. 0x00000820L,0x00000830L,0x20000820L,0x20000830L,
  173. 0x00010820L,0x00010830L,0x20010820L,0x20010830L,
  174. 0x00080000L,0x00080010L,0x20080000L,0x20080010L,
  175. 0x00090000L,0x00090010L,0x20090000L,0x20090010L,
  176. 0x00080800L,0x00080810L,0x20080800L,0x20080810L,
  177. 0x00090800L,0x00090810L,0x20090800L,0x20090810L,
  178. 0x00080020L,0x00080030L,0x20080020L,0x20080030L,
  179. 0x00090020L,0x00090030L,0x20090020L,0x20090030L,
  180. 0x00080820L,0x00080830L,0x20080820L,0x20080830L,
  181. 0x00090820L,0x00090830L,0x20090820L,0x20090830L,
  182. },{
  183. /* for C bits (numbered as per FIPS 46) 7 8 10 11 12 13 */
  184. 0x00000000L,0x02000000L,0x00002000L,0x02002000L,
  185. 0x00200000L,0x02200000L,0x00202000L,0x02202000L,
  186. 0x00000004L,0x02000004L,0x00002004L,0x02002004L,
  187. 0x00200004L,0x02200004L,0x00202004L,0x02202004L,
  188. 0x00000400L,0x02000400L,0x00002400L,0x02002400L,
  189. 0x00200400L,0x02200400L,0x00202400L,0x02202400L,
  190. 0x00000404L,0x02000404L,0x00002404L,0x02002404L,
  191. 0x00200404L,0x02200404L,0x00202404L,0x02202404L,
  192. 0x10000000L,0x12000000L,0x10002000L,0x12002000L,
  193. 0x10200000L,0x12200000L,0x10202000L,0x12202000L,
  194. 0x10000004L,0x12000004L,0x10002004L,0x12002004L,
  195. 0x10200004L,0x12200004L,0x10202004L,0x12202004L,
  196. 0x10000400L,0x12000400L,0x10002400L,0x12002400L,
  197. 0x10200400L,0x12200400L,0x10202400L,0x12202400L,
  198. 0x10000404L,0x12000404L,0x10002404L,0x12002404L,
  199. 0x10200404L,0x12200404L,0x10202404L,0x12202404L,
  200. },{
  201. /* for C bits (numbered as per FIPS 46) 14 15 16 17 19 20 */
  202. 0x00000000L,0x00000001L,0x00040000L,0x00040001L,
  203. 0x01000000L,0x01000001L,0x01040000L,0x01040001L,
  204. 0x00000002L,0x00000003L,0x00040002L,0x00040003L,
  205. 0x01000002L,0x01000003L,0x01040002L,0x01040003L,
  206. 0x00000200L,0x00000201L,0x00040200L,0x00040201L,
  207. 0x01000200L,0x01000201L,0x01040200L,0x01040201L,
  208. 0x00000202L,0x00000203L,0x00040202L,0x00040203L,
  209. 0x01000202L,0x01000203L,0x01040202L,0x01040203L,
  210. 0x08000000L,0x08000001L,0x08040000L,0x08040001L,
  211. 0x09000000L,0x09000001L,0x09040000L,0x09040001L,
  212. 0x08000002L,0x08000003L,0x08040002L,0x08040003L,
  213. 0x09000002L,0x09000003L,0x09040002L,0x09040003L,
  214. 0x08000200L,0x08000201L,0x08040200L,0x08040201L,
  215. 0x09000200L,0x09000201L,0x09040200L,0x09040201L,
  216. 0x08000202L,0x08000203L,0x08040202L,0x08040203L,
  217. 0x09000202L,0x09000203L,0x09040202L,0x09040203L,
  218. },{
  219. /* for C bits (numbered as per FIPS 46) 21 23 24 26 27 28 */
  220. 0x00000000L,0x00100000L,0x00000100L,0x00100100L,
  221. 0x00000008L,0x00100008L,0x00000108L,0x00100108L,
  222. 0x00001000L,0x00101000L,0x00001100L,0x00101100L,
  223. 0x00001008L,0x00101008L,0x00001108L,0x00101108L,
  224. 0x04000000L,0x04100000L,0x04000100L,0x04100100L,
  225. 0x04000008L,0x04100008L,0x04000108L,0x04100108L,
  226. 0x04001000L,0x04101000L,0x04001100L,0x04101100L,
  227. 0x04001008L,0x04101008L,0x04001108L,0x04101108L,
  228. 0x00020000L,0x00120000L,0x00020100L,0x00120100L,
  229. 0x00020008L,0x00120008L,0x00020108L,0x00120108L,
  230. 0x00021000L,0x00121000L,0x00021100L,0x00121100L,
  231. 0x00021008L,0x00121008L,0x00021108L,0x00121108L,
  232. 0x04020000L,0x04120000L,0x04020100L,0x04120100L,
  233. 0x04020008L,0x04120008L,0x04020108L,0x04120108L,
  234. 0x04021000L,0x04121000L,0x04021100L,0x04121100L,
  235. 0x04021008L,0x04121008L,0x04021108L,0x04121108L,
  236. },{
  237. /* for D bits (numbered as per FIPS 46) 1 2 3 4 5 6 */
  238. 0x00000000L,0x10000000L,0x00010000L,0x10010000L,
  239. 0x00000004L,0x10000004L,0x00010004L,0x10010004L,
  240. 0x20000000L,0x30000000L,0x20010000L,0x30010000L,
  241. 0x20000004L,0x30000004L,0x20010004L,0x30010004L,
  242. 0x00100000L,0x10100000L,0x00110000L,0x10110000L,
  243. 0x00100004L,0x10100004L,0x00110004L,0x10110004L,
  244. 0x20100000L,0x30100000L,0x20110000L,0x30110000L,
  245. 0x20100004L,0x30100004L,0x20110004L,0x30110004L,
  246. 0x00001000L,0x10001000L,0x00011000L,0x10011000L,
  247. 0x00001004L,0x10001004L,0x00011004L,0x10011004L,
  248. 0x20001000L,0x30001000L,0x20011000L,0x30011000L,
  249. 0x20001004L,0x30001004L,0x20011004L,0x30011004L,
  250. 0x00101000L,0x10101000L,0x00111000L,0x10111000L,
  251. 0x00101004L,0x10101004L,0x00111004L,0x10111004L,
  252. 0x20101000L,0x30101000L,0x20111000L,0x30111000L,
  253. 0x20101004L,0x30101004L,0x20111004L,0x30111004L,
  254. },{
  255. /* for D bits (numbered as per FIPS 46) 8 9 11 12 13 14 */
  256. 0x00000000L,0x08000000L,0x00000008L,0x08000008L,
  257. 0x00000400L,0x08000400L,0x00000408L,0x08000408L,
  258. 0x00020000L,0x08020000L,0x00020008L,0x08020008L,
  259. 0x00020400L,0x08020400L,0x00020408L,0x08020408L,
  260. 0x00000001L,0x08000001L,0x00000009L,0x08000009L,
  261. 0x00000401L,0x08000401L,0x00000409L,0x08000409L,
  262. 0x00020001L,0x08020001L,0x00020009L,0x08020009L,
  263. 0x00020401L,0x08020401L,0x00020409L,0x08020409L,
  264. 0x02000000L,0x0A000000L,0x02000008L,0x0A000008L,
  265. 0x02000400L,0x0A000400L,0x02000408L,0x0A000408L,
  266. 0x02020000L,0x0A020000L,0x02020008L,0x0A020008L,
  267. 0x02020400L,0x0A020400L,0x02020408L,0x0A020408L,
  268. 0x02000001L,0x0A000001L,0x02000009L,0x0A000009L,
  269. 0x02000401L,0x0A000401L,0x02000409L,0x0A000409L,
  270. 0x02020001L,0x0A020001L,0x02020009L,0x0A020009L,
  271. 0x02020401L,0x0A020401L,0x02020409L,0x0A020409L,
  272. },{
  273. /* for D bits (numbered as per FIPS 46) 16 17 18 19 20 21 */
  274. 0x00000000L,0x00000100L,0x00080000L,0x00080100L,
  275. 0x01000000L,0x01000100L,0x01080000L,0x01080100L,
  276. 0x00000010L,0x00000110L,0x00080010L,0x00080110L,
  277. 0x01000010L,0x01000110L,0x01080010L,0x01080110L,
  278. 0x00200000L,0x00200100L,0x00280000L,0x00280100L,
  279. 0x01200000L,0x01200100L,0x01280000L,0x01280100L,
  280. 0x00200010L,0x00200110L,0x00280010L,0x00280110L,
  281. 0x01200010L,0x01200110L,0x01280010L,0x01280110L,
  282. 0x00000200L,0x00000300L,0x00080200L,0x00080300L,
  283. 0x01000200L,0x01000300L,0x01080200L,0x01080300L,
  284. 0x00000210L,0x00000310L,0x00080210L,0x00080310L,
  285. 0x01000210L,0x01000310L,0x01080210L,0x01080310L,
  286. 0x00200200L,0x00200300L,0x00280200L,0x00280300L,
  287. 0x01200200L,0x01200300L,0x01280200L,0x01280300L,
  288. 0x00200210L,0x00200310L,0x00280210L,0x00280310L,
  289. 0x01200210L,0x01200310L,0x01280210L,0x01280310L,
  290. },{
  291. /* for D bits (numbered as per FIPS 46) 22 23 24 25 27 28 */
  292. 0x00000000L,0x04000000L,0x00040000L,0x04040000L,
  293. 0x00000002L,0x04000002L,0x00040002L,0x04040002L,
  294. 0x00002000L,0x04002000L,0x00042000L,0x04042000L,
  295. 0x00002002L,0x04002002L,0x00042002L,0x04042002L,
  296. 0x00000020L,0x04000020L,0x00040020L,0x04040020L,
  297. 0x00000022L,0x04000022L,0x00040022L,0x04040022L,
  298. 0x00002020L,0x04002020L,0x00042020L,0x04042020L,
  299. 0x00002022L,0x04002022L,0x00042022L,0x04042022L,
  300. 0x00000800L,0x04000800L,0x00040800L,0x04040800L,
  301. 0x00000802L,0x04000802L,0x00040802L,0x04040802L,
  302. 0x00002800L,0x04002800L,0x00042800L,0x04042800L,
  303. 0x00002802L,0x04002802L,0x00042802L,0x04042802L,
  304. 0x00000820L,0x04000820L,0x00040820L,0x04040820L,
  305. 0x00000822L,0x04000822L,0x00040822L,0x04040822L,
  306. 0x00002820L,0x04002820L,0x00042820L,0x04042820L,
  307. 0x00002822L,0x04002822L,0x00042822L,0x04042822L,
  308. }};
  310. int DES_set_key(const_DES_cblock *key, DES_key_schedule *schedule)
  311. {
  312. if (DES_check_key)
  313. {
  314. return DES_set_key_checked(key, schedule);
  315. }
  316. else
  317. {
  318. DES_set_key_unchecked(key, schedule);
  319. return 0;
  320. }
  321. }
  323. /* return 0 if key parity is odd (correct),
  324.  * return -1 if key parity error,
  325.  * return -2 if illegal weak key.
  326.  */
  327. int DES_set_key_checked(const_DES_cblock *key, DES_key_schedule *schedule)
  328. {
  329. if (!DES_check_key_parity(key))
  330. return(-1);
  331. if (DES_is_weak_key(key))
  332. return(-2);
  333. DES_set_key_unchecked(key, schedule);
  334. return 0;
  335. }
  337. void DES_set_key_unchecked(const_DES_cblock *key, DES_key_schedule *schedule)
  338. {
  339. static int shifts2[16]={0,0,1,1,1,1,1,1,0,1,1,1,1,1,1,0};
  340. register DES_LONG c,d,t,s,t2;
  341. register const unsigned char *in;
  342. register DES_LONG *k;
  343. register int i;
  345. #ifdef OPENBSD_DEV_CRYPTO
  346. memcpy(schedule->key,key,sizeof schedule->key);
  347. schedule->session=NULL;
  348. #endif
  349. k = &schedule->ks->deslong[0];
  350. in = &(*key)[0];
  352. c2l(in,c);
  353. c2l(in,d);
  355. /* do PC1 in 47 simple operations :-)
  356.  * Thanks to John Fletcher (john_fletcher@lccmail.ocf.llnl.gov)
  357.  * for the inspiration. :-) */
  358. PERM_OP (d,c,t,4,0x0f0f0f0fL);
  359. HPERM_OP(c,t,-2,0xcccc0000L);
  360. HPERM_OP(d,t,-2,0xcccc0000L);
  361. PERM_OP (d,c,t,1,0x55555555L);
  362. PERM_OP (c,d,t,8,0x00ff00ffL);
  363. PERM_OP (d,c,t,1,0x55555555L);
  364. d= (((d&0x000000ffL)<<16L)| (d&0x0000ff00L)     |
  365.  ((d&0x00ff0000L)>>16L)|((c&0xf0000000L)>>4L));
  366. c&=0x0fffffffL;
  368. for (i=0; i<ITERATIONS; i++)
  369. {
  370. if (shifts2[i])
  371. { c=((c>>2L)|(c<<26L)); d=((d>>2L)|(d<<26L)); }
  372. else
  373. { c=((c>>1L)|(c<<27L)); d=((d>>1L)|(d<<27L)); }
  374. c&=0x0fffffffL;
  375. d&=0x0fffffffL;
  376. /* could be a few less shifts but I am to lazy at this
  377.  * point in time to investigate */
  378. s= des_skb[0][ (c    )&0x3f                ]|
  379. des_skb[1][((c>> 6L)&0x03)|((c>> 7L)&0x3c)]|
  380. des_skb[2][((c>>13L)&0x0f)|((c>>14L)&0x30)]|
  381. des_skb[3][((c>>20L)&0x01)|((c>>21L)&0x06) |
  382.   ((c>>22L)&0x38)];
  383. t= des_skb[4][ (d    )&0x3f                ]|
  384. des_skb[5][((d>> 7L)&0x03)|((d>> 8L)&0x3c)]|
  385. des_skb[6][ (d>>15L)&0x3f                ]|
  386. des_skb[7][((d>>21L)&0x0f)|((d>>22L)&0x30)];
  388. /* table contained 0213 4657 */
  389. t2=((t<<16L)|(s&0x0000ffffL))&0xffffffffL;
  390. *(k++)=ROTATE(t2,30)&0xffffffffL;
  392. t2=((s>>16L)|(t&0xffff0000L));
  393. *(k++)=ROTATE(t2,26)&0xffffffffL;
  394. }
  395. }
  397. int DES_key_sched(const_DES_cblock *key, DES_key_schedule *schedule)
  398. {
  399. return(DES_set_key(key,schedule));
  400. }
  401. /*
  402. #undef des_fixup_key_parity
  403. void des_fixup_key_parity(des_cblock *key)
  404. {
  405. des_set_odd_parity(key);
  406. }
  407. */