1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2<html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"> 3<title>Heimdal crypto library: DES crypto functions</title> 4<link href="doxygen.css" rel="stylesheet" type="text/css"> 5<link href="tabs.css" rel="stylesheet" type="text/css"> 6</head><body> 7<p> 8<a href="http://www.h5l.org/"><img src="http://www.h5l.org/keyhole-heimdal.png" alt="keyhole logo"/></a> 9</p> 10<!-- end of header marker --> 11<!-- Generated by Doxygen 1.5.6 --> 12<div class="navigation" id="top"> 13 <div class="tabs"> 14 <ul> 15 <li><a href="index.html"><span>Main Page</span></a></li> 16 <li><a href="modules.html"><span>Modules</span></a></li> 17 <li><a href="examples.html"><span>Examples</span></a></li> 18 </ul> 19 </div> 20</div> 21<div class="contents"> 22<h1>DES crypto functions</h1><table border="0" cellpadding="0" cellspacing="0"> 23<tr><td></td></tr> 24<tr><td colspan="2"><br><h2>Functions</h2></td></tr> 25<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__hcrypto__des.html#g4179bef43ceb72cc2034f39e7d2d5ae4">DES_set_odd_parity</a> (DES_cblock *key)</td></tr> 26 27<tr><td class="memItemLeft" nowrap align="right" valign="top">int HC_DEPRECATED </td><td class="memItemRight" valign="bottom"><a class="el" href="group__hcrypto__des.html#gcf0d611296ad70edf90a3130b2f62c71">DES_check_key_parity</a> (DES_cblock *key)</td></tr> 28 29<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__hcrypto__des.html#g0d8a49cafee4be6cd3922bfb6323fd2d">DES_is_weak_key</a> (DES_cblock *key)</td></tr> 30 31<tr><td class="memItemLeft" nowrap align="right" valign="top">int HC_DEPRECATED </td><td class="memItemRight" valign="bottom"><a class="el" href="group__hcrypto__des.html#gad10e059974f3048b3de49599989486b">DES_set_key</a> (DES_cblock *key, DES_key_schedule *ks)</td></tr> 32 33<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__hcrypto__des.html#g8131d59b5c0f65ca8bba0873932680d5">DES_set_key_unchecked</a> (DES_cblock *key, DES_key_schedule *ks)</td></tr> 34 35<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__hcrypto__des.html#g3157dd2419a25cd4381867f012117d07">DES_set_key_checked</a> (DES_cblock *key, DES_key_schedule *ks)</td></tr> 36 37<tr><td class="memItemLeft" nowrap align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__hcrypto__des.html#gf5b4967f13a4a52c214c28b6e57a3a95">DES_key_sched</a> (DES_cblock *key, DES_key_schedule *ks)</td></tr> 38 39<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__hcrypto__des.html#g39662a8c2218601d402a895f08813662">DES_encrypt</a> (uint32_t u[2], DES_key_schedule *ks, int encp)</td></tr> 40 41<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__hcrypto__des.html#ga5cf9203994e3a5ece2ef7a85e7a2875">DES_ecb_encrypt</a> (DES_cblock *input, DES_cblock *output, DES_key_schedule *ks, int encp)</td></tr> 42 43<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__hcrypto__des.html#g4946e6d9a944f8f029df4e6c68d1868e">DES_cbc_encrypt</a> (const void *in, void *out, long length, DES_key_schedule *ks, DES_cblock *iv, int encp)</td></tr> 44 45<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__hcrypto__des.html#g336e497f66748e92b93fc0b4512d78c2">DES_pcbc_encrypt</a> (const void *in, void *out, long length, DES_key_schedule *ks, DES_cblock *iv, int encp)</td></tr> 46 47<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__hcrypto__des.html#gf2de06942efdf1bd45ce0a8c0597654e">DES_ecb3_encrypt</a> (DES_cblock *input, DES_cblock *output, DES_key_schedule *ks1, DES_key_schedule *ks2, DES_key_schedule *ks3, int encp)</td></tr> 48 49<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__hcrypto__des.html#g36a83e8a4de4ac0f93ea932229dc3607">DES_ede3_cbc_encrypt</a> (const void *in, void *out, long length, DES_key_schedule *ks1, DES_key_schedule *ks2, DES_key_schedule *ks3, DES_cblock *iv, int encp)</td></tr> 50 51<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__hcrypto__des.html#g9c2b24baea3d4e69524335a79e22ae2d">DES_cfb64_encrypt</a> (const void *in, void *out, long length, DES_key_schedule *ks, DES_cblock *iv, int *num, int encp)</td></tr> 52 53<tr><td class="memItemLeft" nowrap align="right" valign="top">uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__hcrypto__des.html#gbf8f1cc95fd03ec1ef59563f9659ec42">DES_cbc_cksum</a> (const void *in, DES_cblock *output, long length, DES_key_schedule *ks, DES_cblock *iv)</td></tr> 54 55<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__hcrypto__des.html#g60893cdc75d9ce8cbf4a5d7a874855c8">DES_string_to_key</a> (const char *str, DES_cblock *key)</td></tr> 56 57<tr><td class="memItemLeft" nowrap align="right" valign="top">int HC_DEPRECATED </td><td class="memItemRight" valign="bottom"><a class="el" href="group__hcrypto__des.html#gcd3642bcd8a7e93ea977786e5b540d5f">DES_new_random_key</a> (DES_cblock *key)</td></tr> 58 59<tr><td class="memItemLeft" nowrap align="right" valign="top">void HC_DEPRECATED </td><td class="memItemRight" valign="bottom"><a class="el" href="group__hcrypto__des.html#g45739e74db49d07bfaa0d7918efd4875">DES_init_random_number_generator</a> (DES_cblock *seed)</td></tr> 60 61<tr><td class="memItemLeft" nowrap align="right" valign="top">void HC_DEPRECATED </td><td class="memItemRight" valign="bottom"><a class="el" href="group__hcrypto__des.html#gd70d485549f7444589f3283e938c0258">DES_random_key</a> (DES_cblock *key)</td></tr> 62 63</table> 64<hr><a name="_details"></a><h2>Detailed Description</h2> 65See the <a class="el" href="page_des.html">DES - Data Encryption Standard crypto interface</a> for description and examples. <hr><h2>Function Documentation</h2> 66<a class="anchor" name="gbf8f1cc95fd03ec1ef59563f9659ec42"></a><!-- doxytag: member="des.c::DES_cbc_cksum" ref="gbf8f1cc95fd03ec1ef59563f9659ec42" args="(const void *in, DES_cblock *output, long length, DES_key_schedule *ks, DES_cblock *iv)" --> 67<div class="memitem"> 68<div class="memproto"> 69 <table class="memname"> 70 <tr> 71 <td class="memname">uint32_t DES_cbc_cksum </td> 72 <td>(</td> 73 <td class="paramtype">const void * </td> 74 <td class="paramname"> <em>in</em>, </td> 75 </tr> 76 <tr> 77 <td class="paramkey"></td> 78 <td></td> 79 <td class="paramtype">DES_cblock * </td> 80 <td class="paramname"> <em>output</em>, </td> 81 </tr> 82 <tr> 83 <td class="paramkey"></td> 84 <td></td> 85 <td class="paramtype">long </td> 86 <td class="paramname"> <em>length</em>, </td> 87 </tr> 88 <tr> 89 <td class="paramkey"></td> 90 <td></td> 91 <td class="paramtype">DES_key_schedule * </td> 92 <td class="paramname"> <em>ks</em>, </td> 93 </tr> 94 <tr> 95 <td class="paramkey"></td> 96 <td></td> 97 <td class="paramtype">DES_cblock * </td> 98 <td class="paramname"> <em>iv</em></td><td> </td> 99 </tr> 100 <tr> 101 <td></td> 102 <td>)</td> 103 <td></td><td></td><td></td> 104 </tr> 105 </table> 106</div> 107<div class="memdoc"> 108 109<p> 110Crete a checksum using DES in CBC encryption mode. This mode is only used for Kerberos 4, and it should stay that way.<p> 111The IV must always be diffrent for diffrent input data blocks.<p> 112<dl compact><dt><b>Parameters:</b></dt><dd> 113 <table border="0" cellspacing="2" cellpadding="0"> 114 <tr><td valign="top"></td><td valign="top"><em>in</em> </td><td>data to checksum </td></tr> 115 <tr><td valign="top"></td><td valign="top"><em>output</em> </td><td>the checksum </td></tr> 116 <tr><td valign="top"></td><td valign="top"><em>length</em> </td><td>length of data </td></tr> 117 <tr><td valign="top"></td><td valign="top"><em>ks</em> </td><td>key schedule to use </td></tr> 118 <tr><td valign="top"></td><td valign="top"><em>iv</em> </td><td>initial vector to use </td></tr> 119 </table> 120</dl> 121 122</div> 123</div><p> 124<a class="anchor" name="g4946e6d9a944f8f029df4e6c68d1868e"></a><!-- doxytag: member="des.c::DES_cbc_encrypt" ref="g4946e6d9a944f8f029df4e6c68d1868e" args="(const void *in, void *out, long length, DES_key_schedule *ks, DES_cblock *iv, int encp)" --> 125<div class="memitem"> 126<div class="memproto"> 127 <table class="memname"> 128 <tr> 129 <td class="memname">void DES_cbc_encrypt </td> 130 <td>(</td> 131 <td class="paramtype">const void * </td> 132 <td class="paramname"> <em>in</em>, </td> 133 </tr> 134 <tr> 135 <td class="paramkey"></td> 136 <td></td> 137 <td class="paramtype">void * </td> 138 <td class="paramname"> <em>out</em>, </td> 139 </tr> 140 <tr> 141 <td class="paramkey"></td> 142 <td></td> 143 <td class="paramtype">long </td> 144 <td class="paramname"> <em>length</em>, </td> 145 </tr> 146 <tr> 147 <td class="paramkey"></td> 148 <td></td> 149 <td class="paramtype">DES_key_schedule * </td> 150 <td class="paramname"> <em>ks</em>, </td> 151 </tr> 152 <tr> 153 <td class="paramkey"></td> 154 <td></td> 155 <td class="paramtype">DES_cblock * </td> 156 <td class="paramname"> <em>iv</em>, </td> 157 </tr> 158 <tr> 159 <td class="paramkey"></td> 160 <td></td> 161 <td class="paramtype">int </td> 162 <td class="paramname"> <em>encp</em></td><td> </td> 163 </tr> 164 <tr> 165 <td></td> 166 <td>)</td> 167 <td></td><td></td><td></td> 168 </tr> 169 </table> 170</div> 171<div class="memdoc"> 172 173<p> 174Encrypt/decrypt a block using DES in Chain Block Cipher mode (cbc).<p> 175The IV must always be diffrent for diffrent input data blocks.<p> 176<dl compact><dt><b>Parameters:</b></dt><dd> 177 <table border="0" cellspacing="2" cellpadding="0"> 178 <tr><td valign="top"></td><td valign="top"><em>in</em> </td><td>data to encrypt </td></tr> 179 <tr><td valign="top"></td><td valign="top"><em>out</em> </td><td>data to encrypt </td></tr> 180 <tr><td valign="top"></td><td valign="top"><em>length</em> </td><td>length of data </td></tr> 181 <tr><td valign="top"></td><td valign="top"><em>ks</em> </td><td>key schedule to use </td></tr> 182 <tr><td valign="top"></td><td valign="top"><em>iv</em> </td><td>initial vector to use </td></tr> 183 <tr><td valign="top"></td><td valign="top"><em>encp</em> </td><td>if non zero, encrypt. if zero, decrypt. </td></tr> 184 </table> 185</dl> 186 187</div> 188</div><p> 189<a class="anchor" name="g9c2b24baea3d4e69524335a79e22ae2d"></a><!-- doxytag: member="des.c::DES_cfb64_encrypt" ref="g9c2b24baea3d4e69524335a79e22ae2d" args="(const void *in, void *out, long length, DES_key_schedule *ks, DES_cblock *iv, int *num, int encp)" --> 190<div class="memitem"> 191<div class="memproto"> 192 <table class="memname"> 193 <tr> 194 <td class="memname">void DES_cfb64_encrypt </td> 195 <td>(</td> 196 <td class="paramtype">const void * </td> 197 <td class="paramname"> <em>in</em>, </td> 198 </tr> 199 <tr> 200 <td class="paramkey"></td> 201 <td></td> 202 <td class="paramtype">void * </td> 203 <td class="paramname"> <em>out</em>, </td> 204 </tr> 205 <tr> 206 <td class="paramkey"></td> 207 <td></td> 208 <td class="paramtype">long </td> 209 <td class="paramname"> <em>length</em>, </td> 210 </tr> 211 <tr> 212 <td class="paramkey"></td> 213 <td></td> 214 <td class="paramtype">DES_key_schedule * </td> 215 <td class="paramname"> <em>ks</em>, </td> 216 </tr> 217 <tr> 218 <td class="paramkey"></td> 219 <td></td> 220 <td class="paramtype">DES_cblock * </td> 221 <td class="paramname"> <em>iv</em>, </td> 222 </tr> 223 <tr> 224 <td class="paramkey"></td> 225 <td></td> 226 <td class="paramtype">int * </td> 227 <td class="paramname"> <em>num</em>, </td> 228 </tr> 229 <tr> 230 <td class="paramkey"></td> 231 <td></td> 232 <td class="paramtype">int </td> 233 <td class="paramname"> <em>encp</em></td><td> </td> 234 </tr> 235 <tr> 236 <td></td> 237 <td>)</td> 238 <td></td><td></td><td></td> 239 </tr> 240 </table> 241</div> 242<div class="memdoc"> 243 244<p> 245Encrypt/decrypt using DES in cipher feedback mode with 64 bit feedback.<p> 246The IV must always be diffrent for diffrent input data blocks.<p> 247<dl compact><dt><b>Parameters:</b></dt><dd> 248 <table border="0" cellspacing="2" cellpadding="0"> 249 <tr><td valign="top"></td><td valign="top"><em>in</em> </td><td>data to encrypt </td></tr> 250 <tr><td valign="top"></td><td valign="top"><em>out</em> </td><td>data to encrypt </td></tr> 251 <tr><td valign="top"></td><td valign="top"><em>length</em> </td><td>length of data </td></tr> 252 <tr><td valign="top"></td><td valign="top"><em>ks</em> </td><td>key schedule to use </td></tr> 253 <tr><td valign="top"></td><td valign="top"><em>iv</em> </td><td>initial vector to use </td></tr> 254 <tr><td valign="top"></td><td valign="top"><em>num</em> </td><td>offset into in cipher block encryption/decryption stop last time. </td></tr> 255 <tr><td valign="top"></td><td valign="top"><em>encp</em> </td><td>if non zero, encrypt. if zero, decrypt. </td></tr> 256 </table> 257</dl> 258 259</div> 260</div><p> 261<a class="anchor" name="gcf0d611296ad70edf90a3130b2f62c71"></a><!-- doxytag: member="des.c::DES_check_key_parity" ref="gcf0d611296ad70edf90a3130b2f62c71" args="(DES_cblock *key)" --> 262<div class="memitem"> 263<div class="memproto"> 264 <table class="memname"> 265 <tr> 266 <td class="memname">int HC_DEPRECATED DES_check_key_parity </td> 267 <td>(</td> 268 <td class="paramtype">DES_cblock * </td> 269 <td class="paramname"> <em>key</em> </td> 270 <td> ) </td> 271 <td></td> 272 </tr> 273 </table> 274</div> 275<div class="memdoc"> 276 277<p> 278Check if the key have correct parity.<p> 279<dl compact><dt><b>Parameters:</b></dt><dd> 280 <table border="0" cellspacing="2" cellpadding="0"> 281 <tr><td valign="top"></td><td valign="top"><em>key</em> </td><td>key to check the parity. </td></tr> 282 </table> 283</dl> 284<dl class="return" compact><dt><b>Returns:</b></dt><dd>1 on success, 0 on failure. </dd></dl> 285 286</div> 287</div><p> 288<a class="anchor" name="gf2de06942efdf1bd45ce0a8c0597654e"></a><!-- doxytag: member="des.c::DES_ecb3_encrypt" ref="gf2de06942efdf1bd45ce0a8c0597654e" args="(DES_cblock *input, DES_cblock *output, DES_key_schedule *ks1, DES_key_schedule *ks2, DES_key_schedule *ks3, int encp)" --> 289<div class="memitem"> 290<div class="memproto"> 291 <table class="memname"> 292 <tr> 293 <td class="memname">void DES_ecb3_encrypt </td> 294 <td>(</td> 295 <td class="paramtype">DES_cblock * </td> 296 <td class="paramname"> <em>input</em>, </td> 297 </tr> 298 <tr> 299 <td class="paramkey"></td> 300 <td></td> 301 <td class="paramtype">DES_cblock * </td> 302 <td class="paramname"> <em>output</em>, </td> 303 </tr> 304 <tr> 305 <td class="paramkey"></td> 306 <td></td> 307 <td class="paramtype">DES_key_schedule * </td> 308 <td class="paramname"> <em>ks1</em>, </td> 309 </tr> 310 <tr> 311 <td class="paramkey"></td> 312 <td></td> 313 <td class="paramtype">DES_key_schedule * </td> 314 <td class="paramname"> <em>ks2</em>, </td> 315 </tr> 316 <tr> 317 <td class="paramkey"></td> 318 <td></td> 319 <td class="paramtype">DES_key_schedule * </td> 320 <td class="paramname"> <em>ks3</em>, </td> 321 </tr> 322 <tr> 323 <td class="paramkey"></td> 324 <td></td> 325 <td class="paramtype">int </td> 326 <td class="paramname"> <em>encp</em></td><td> </td> 327 </tr> 328 <tr> 329 <td></td> 330 <td>)</td> 331 <td></td><td></td><td></td> 332 </tr> 333 </table> 334</div> 335<div class="memdoc"> 336 337<p> 338Encrypt/decrypt a block using triple DES using EDE mode, encrypt/decrypt/encrypt.<p> 339<dl compact><dt><b>Parameters:</b></dt><dd> 340 <table border="0" cellspacing="2" cellpadding="0"> 341 <tr><td valign="top"></td><td valign="top"><em>input</em> </td><td>data to encrypt </td></tr> 342 <tr><td valign="top"></td><td valign="top"><em>output</em> </td><td>data to encrypt </td></tr> 343 <tr><td valign="top"></td><td valign="top"><em>ks1</em> </td><td>key schedule to use </td></tr> 344 <tr><td valign="top"></td><td valign="top"><em>ks2</em> </td><td>key schedule to use </td></tr> 345 <tr><td valign="top"></td><td valign="top"><em>ks3</em> </td><td>key schedule to use </td></tr> 346 <tr><td valign="top"></td><td valign="top"><em>encp</em> </td><td>if non zero, encrypt. if zero, decrypt. </td></tr> 347 </table> 348</dl> 349 350</div> 351</div><p> 352<a class="anchor" name="ga5cf9203994e3a5ece2ef7a85e7a2875"></a><!-- doxytag: member="des.c::DES_ecb_encrypt" ref="ga5cf9203994e3a5ece2ef7a85e7a2875" args="(DES_cblock *input, DES_cblock *output, DES_key_schedule *ks, int encp)" --> 353<div class="memitem"> 354<div class="memproto"> 355 <table class="memname"> 356 <tr> 357 <td class="memname">void DES_ecb_encrypt </td> 358 <td>(</td> 359 <td class="paramtype">DES_cblock * </td> 360 <td class="paramname"> <em>input</em>, </td> 361 </tr> 362 <tr> 363 <td class="paramkey"></td> 364 <td></td> 365 <td class="paramtype">DES_cblock * </td> 366 <td class="paramname"> <em>output</em>, </td> 367 </tr> 368 <tr> 369 <td class="paramkey"></td> 370 <td></td> 371 <td class="paramtype">DES_key_schedule * </td> 372 <td class="paramname"> <em>ks</em>, </td> 373 </tr> 374 <tr> 375 <td class="paramkey"></td> 376 <td></td> 377 <td class="paramtype">int </td> 378 <td class="paramname"> <em>encp</em></td><td> </td> 379 </tr> 380 <tr> 381 <td></td> 382 <td>)</td> 383 <td></td><td></td><td></td> 384 </tr> 385 </table> 386</div> 387<div class="memdoc"> 388 389<p> 390Encrypt/decrypt a block using DES.<p> 391<dl compact><dt><b>Parameters:</b></dt><dd> 392 <table border="0" cellspacing="2" cellpadding="0"> 393 <tr><td valign="top"></td><td valign="top"><em>input</em> </td><td>data to encrypt </td></tr> 394 <tr><td valign="top"></td><td valign="top"><em>output</em> </td><td>data to encrypt </td></tr> 395 <tr><td valign="top"></td><td valign="top"><em>ks</em> </td><td>key schedule to use </td></tr> 396 <tr><td valign="top"></td><td valign="top"><em>encp</em> </td><td>if non zero, encrypt. if zero, decrypt. </td></tr> 397 </table> 398</dl> 399 400</div> 401</div><p> 402<a class="anchor" name="g36a83e8a4de4ac0f93ea932229dc3607"></a><!-- doxytag: member="des.c::DES_ede3_cbc_encrypt" ref="g36a83e8a4de4ac0f93ea932229dc3607" args="(const void *in, void *out, long length, DES_key_schedule *ks1, DES_key_schedule *ks2, DES_key_schedule *ks3, DES_cblock *iv, int encp)" --> 403<div class="memitem"> 404<div class="memproto"> 405 <table class="memname"> 406 <tr> 407 <td class="memname">void DES_ede3_cbc_encrypt </td> 408 <td>(</td> 409 <td class="paramtype">const void * </td> 410 <td class="paramname"> <em>in</em>, </td> 411 </tr> 412 <tr> 413 <td class="paramkey"></td> 414 <td></td> 415 <td class="paramtype">void * </td> 416 <td class="paramname"> <em>out</em>, </td> 417 </tr> 418 <tr> 419 <td class="paramkey"></td> 420 <td></td> 421 <td class="paramtype">long </td> 422 <td class="paramname"> <em>length</em>, </td> 423 </tr> 424 <tr> 425 <td class="paramkey"></td> 426 <td></td> 427 <td class="paramtype">DES_key_schedule * </td> 428 <td class="paramname"> <em>ks1</em>, </td> 429 </tr> 430 <tr> 431 <td class="paramkey"></td> 432 <td></td> 433 <td class="paramtype">DES_key_schedule * </td> 434 <td class="paramname"> <em>ks2</em>, </td> 435 </tr> 436 <tr> 437 <td class="paramkey"></td> 438 <td></td> 439 <td class="paramtype">DES_key_schedule * </td> 440 <td class="paramname"> <em>ks3</em>, </td> 441 </tr> 442 <tr> 443 <td class="paramkey"></td> 444 <td></td> 445 <td class="paramtype">DES_cblock * </td> 446 <td class="paramname"> <em>iv</em>, </td> 447 </tr> 448 <tr> 449 <td class="paramkey"></td> 450 <td></td> 451 <td class="paramtype">int </td> 452 <td class="paramname"> <em>encp</em></td><td> </td> 453 </tr> 454 <tr> 455 <td></td> 456 <td>)</td> 457 <td></td><td></td><td></td> 458 </tr> 459 </table> 460</div> 461<div class="memdoc"> 462 463<p> 464Encrypt/decrypt using Triple DES in Chain Block Cipher mode (cbc).<p> 465The IV must always be diffrent for diffrent input data blocks.<p> 466<dl compact><dt><b>Parameters:</b></dt><dd> 467 <table border="0" cellspacing="2" cellpadding="0"> 468 <tr><td valign="top"></td><td valign="top"><em>in</em> </td><td>data to encrypt </td></tr> 469 <tr><td valign="top"></td><td valign="top"><em>out</em> </td><td>data to encrypt </td></tr> 470 <tr><td valign="top"></td><td valign="top"><em>length</em> </td><td>length of data </td></tr> 471 <tr><td valign="top"></td><td valign="top"><em>ks1</em> </td><td>key schedule to use </td></tr> 472 <tr><td valign="top"></td><td valign="top"><em>ks2</em> </td><td>key schedule to use </td></tr> 473 <tr><td valign="top"></td><td valign="top"><em>ks3</em> </td><td>key schedule to use </td></tr> 474 <tr><td valign="top"></td><td valign="top"><em>iv</em> </td><td>initial vector to use </td></tr> 475 <tr><td valign="top"></td><td valign="top"><em>encp</em> </td><td>if non zero, encrypt. if zero, decrypt. </td></tr> 476 </table> 477</dl> 478 479</div> 480</div><p> 481<a class="anchor" name="g39662a8c2218601d402a895f08813662"></a><!-- doxytag: member="des.c::DES_encrypt" ref="g39662a8c2218601d402a895f08813662" args="(uint32_t u[2], DES_key_schedule *ks, int encp)" --> 482<div class="memitem"> 483<div class="memproto"> 484 <table class="memname"> 485 <tr> 486 <td class="memname">void DES_encrypt </td> 487 <td>(</td> 488 <td class="paramtype">uint32_t </td> 489 <td class="paramname"> <em>u</em>[2], </td> 490 </tr> 491 <tr> 492 <td class="paramkey"></td> 493 <td></td> 494 <td class="paramtype">DES_key_schedule * </td> 495 <td class="paramname"> <em>ks</em>, </td> 496 </tr> 497 <tr> 498 <td class="paramkey"></td> 499 <td></td> 500 <td class="paramtype">int </td> 501 <td class="paramname"> <em>encp</em></td><td> </td> 502 </tr> 503 <tr> 504 <td></td> 505 <td>)</td> 506 <td></td><td></td><td></td> 507 </tr> 508 </table> 509</div> 510<div class="memdoc"> 511 512<p> 513Encrypt/decrypt a block using DES. Also called ECB mode<p> 514<dl compact><dt><b>Parameters:</b></dt><dd> 515 <table border="0" cellspacing="2" cellpadding="0"> 516 <tr><td valign="top"></td><td valign="top"><em>u</em> </td><td>data to encrypt </td></tr> 517 <tr><td valign="top"></td><td valign="top"><em>ks</em> </td><td>key schedule to use </td></tr> 518 <tr><td valign="top"></td><td valign="top"><em>encp</em> </td><td>if non zero, encrypt. if zero, decrypt. </td></tr> 519 </table> 520</dl> 521 522</div> 523</div><p> 524<a class="anchor" name="g45739e74db49d07bfaa0d7918efd4875"></a><!-- doxytag: member="rnd_keys.c::DES_init_random_number_generator" ref="g45739e74db49d07bfaa0d7918efd4875" args="(DES_cblock *seed)" --> 525<div class="memitem"> 526<div class="memproto"> 527 <table class="memname"> 528 <tr> 529 <td class="memname">void HC_DEPRECATED DES_init_random_number_generator </td> 530 <td>(</td> 531 <td class="paramtype">DES_cblock * </td> 532 <td class="paramname"> <em>seed</em> </td> 533 <td> ) </td> 534 <td></td> 535 </tr> 536 </table> 537</div> 538<div class="memdoc"> 539 540<p> 541Seed the random number generator. Deprecated, use <a class="el" href="page_rand.html">RAND - random number</a><p> 542<dl compact><dt><b>Parameters:</b></dt><dd> 543 <table border="0" cellspacing="2" cellpadding="0"> 544 <tr><td valign="top"></td><td valign="top"><em>seed</em> </td><td>a seed to seed that random number generate with. </td></tr> 545 </table> 546</dl> 547 548</div> 549</div><p> 550<a class="anchor" name="g0d8a49cafee4be6cd3922bfb6323fd2d"></a><!-- doxytag: member="des.c::DES_is_weak_key" ref="g0d8a49cafee4be6cd3922bfb6323fd2d" args="(DES_cblock *key)" --> 551<div class="memitem"> 552<div class="memproto"> 553 <table class="memname"> 554 <tr> 555 <td class="memname">int DES_is_weak_key </td> 556 <td>(</td> 557 <td class="paramtype">DES_cblock * </td> 558 <td class="paramname"> <em>key</em> </td> 559 <td> ) </td> 560 <td></td> 561 </tr> 562 </table> 563</div> 564<div class="memdoc"> 565 566<p> 567Checks if the key is any of the weaks keys that makes DES attacks trival.<p> 568<dl compact><dt><b>Parameters:</b></dt><dd> 569 <table border="0" cellspacing="2" cellpadding="0"> 570 <tr><td valign="top"></td><td valign="top"><em>key</em> </td><td>key to check.</td></tr> 571 </table> 572</dl> 573<dl class="return" compact><dt><b>Returns:</b></dt><dd>1 if the key is weak, 0 otherwise. </dd></dl> 574 575</div> 576</div><p> 577<a class="anchor" name="gf5b4967f13a4a52c214c28b6e57a3a95"></a><!-- doxytag: member="des.c::DES_key_sched" ref="gf5b4967f13a4a52c214c28b6e57a3a95" args="(DES_cblock *key, DES_key_schedule *ks)" --> 578<div class="memitem"> 579<div class="memproto"> 580 <table class="memname"> 581 <tr> 582 <td class="memname">int DES_key_sched </td> 583 <td>(</td> 584 <td class="paramtype">DES_cblock * </td> 585 <td class="paramname"> <em>key</em>, </td> 586 </tr> 587 <tr> 588 <td class="paramkey"></td> 589 <td></td> 590 <td class="paramtype">DES_key_schedule * </td> 591 <td class="paramname"> <em>ks</em></td><td> </td> 592 </tr> 593 <tr> 594 <td></td> 595 <td>)</td> 596 <td></td><td></td><td></td> 597 </tr> 598 </table> 599</div> 600<div class="memdoc"> 601 602<p> 603Compatibility function for eay libdes, works just like <a class="el" href="group__hcrypto__des.html#g3157dd2419a25cd4381867f012117d07">DES_set_key_checked()</a>.<p> 604<dl compact><dt><b>Parameters:</b></dt><dd> 605 <table border="0" cellspacing="2" cellpadding="0"> 606 <tr><td valign="top"></td><td valign="top"><em>key</em> </td><td>a key to initialize the key schedule with. </td></tr> 607 <tr><td valign="top"></td><td valign="top"><em>ks</em> </td><td>a key schedule to initialize.</td></tr> 608 </table> 609</dl> 610<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 on success, -1 on invalid parity, -2 on weak key. </dd></dl> 611 612</div> 613</div><p> 614<a class="anchor" name="gcd3642bcd8a7e93ea977786e5b540d5f"></a><!-- doxytag: member="rnd_keys.c::DES_new_random_key" ref="gcd3642bcd8a7e93ea977786e5b540d5f" args="(DES_cblock *key)" --> 615<div class="memitem"> 616<div class="memproto"> 617 <table class="memname"> 618 <tr> 619 <td class="memname">int HC_DEPRECATED DES_new_random_key </td> 620 <td>(</td> 621 <td class="paramtype">DES_cblock * </td> 622 <td class="paramname"> <em>key</em> </td> 623 <td> ) </td> 624 <td></td> 625 </tr> 626 </table> 627</div> 628<div class="memdoc"> 629 630<p> 631Generate a random des key using a random block, fixup parity and skip weak keys.<p> 632<dl compact><dt><b>Parameters:</b></dt><dd> 633 <table border="0" cellspacing="2" cellpadding="0"> 634 <tr><td valign="top"></td><td valign="top"><em>key</em> </td><td>is set to a random key.</td></tr> 635 </table> 636</dl> 637<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 on success, non zero on random number generator failure. </dd></dl> 638 639</div> 640</div><p> 641<a class="anchor" name="g336e497f66748e92b93fc0b4512d78c2"></a><!-- doxytag: member="des.c::DES_pcbc_encrypt" ref="g336e497f66748e92b93fc0b4512d78c2" args="(const void *in, void *out, long length, DES_key_schedule *ks, DES_cblock *iv, int encp)" --> 642<div class="memitem"> 643<div class="memproto"> 644 <table class="memname"> 645 <tr> 646 <td class="memname">void DES_pcbc_encrypt </td> 647 <td>(</td> 648 <td class="paramtype">const void * </td> 649 <td class="paramname"> <em>in</em>, </td> 650 </tr> 651 <tr> 652 <td class="paramkey"></td> 653 <td></td> 654 <td class="paramtype">void * </td> 655 <td class="paramname"> <em>out</em>, </td> 656 </tr> 657 <tr> 658 <td class="paramkey"></td> 659 <td></td> 660 <td class="paramtype">long </td> 661 <td class="paramname"> <em>length</em>, </td> 662 </tr> 663 <tr> 664 <td class="paramkey"></td> 665 <td></td> 666 <td class="paramtype">DES_key_schedule * </td> 667 <td class="paramname"> <em>ks</em>, </td> 668 </tr> 669 <tr> 670 <td class="paramkey"></td> 671 <td></td> 672 <td class="paramtype">DES_cblock * </td> 673 <td class="paramname"> <em>iv</em>, </td> 674 </tr> 675 <tr> 676 <td class="paramkey"></td> 677 <td></td> 678 <td class="paramtype">int </td> 679 <td class="paramname"> <em>encp</em></td><td> </td> 680 </tr> 681 <tr> 682 <td></td> 683 <td>)</td> 684 <td></td><td></td><td></td> 685 </tr> 686 </table> 687</div> 688<div class="memdoc"> 689 690<p> 691Encrypt/decrypt a block using DES in Propagating Cipher Block Chaining mode. This mode is only used for Kerberos 4, and it should stay that way.<p> 692The IV must always be diffrent for diffrent input data blocks.<p> 693<dl compact><dt><b>Parameters:</b></dt><dd> 694 <table border="0" cellspacing="2" cellpadding="0"> 695 <tr><td valign="top"></td><td valign="top"><em>in</em> </td><td>data to encrypt </td></tr> 696 <tr><td valign="top"></td><td valign="top"><em>out</em> </td><td>data to encrypt </td></tr> 697 <tr><td valign="top"></td><td valign="top"><em>length</em> </td><td>length of data </td></tr> 698 <tr><td valign="top"></td><td valign="top"><em>ks</em> </td><td>key schedule to use </td></tr> 699 <tr><td valign="top"></td><td valign="top"><em>iv</em> </td><td>initial vector to use </td></tr> 700 <tr><td valign="top"></td><td valign="top"><em>encp</em> </td><td>if non zero, encrypt. if zero, decrypt. </td></tr> 701 </table> 702</dl> 703 704</div> 705</div><p> 706<a class="anchor" name="gd70d485549f7444589f3283e938c0258"></a><!-- doxytag: member="rnd_keys.c::DES_random_key" ref="gd70d485549f7444589f3283e938c0258" args="(DES_cblock *key)" --> 707<div class="memitem"> 708<div class="memproto"> 709 <table class="memname"> 710 <tr> 711 <td class="memname">void HC_DEPRECATED DES_random_key </td> 712 <td>(</td> 713 <td class="paramtype">DES_cblock * </td> 714 <td class="paramname"> <em>key</em> </td> 715 <td> ) </td> 716 <td></td> 717 </tr> 718 </table> 719</div> 720<div class="memdoc"> 721 722<p> 723Generate a random key, deprecated since it doesn't return an error code, use <a class="el" href="group__hcrypto__des.html#gcd3642bcd8a7e93ea977786e5b540d5f">DES_new_random_key()</a>.<p> 724<dl compact><dt><b>Parameters:</b></dt><dd> 725 <table border="0" cellspacing="2" cellpadding="0"> 726 <tr><td valign="top"></td><td valign="top"><em>key</em> </td><td>is set to a random key. </td></tr> 727 </table> 728</dl> 729 730</div> 731</div><p> 732<a class="anchor" name="gad10e059974f3048b3de49599989486b"></a><!-- doxytag: member="des.c::DES_set_key" ref="gad10e059974f3048b3de49599989486b" args="(DES_cblock *key, DES_key_schedule *ks)" --> 733<div class="memitem"> 734<div class="memproto"> 735 <table class="memname"> 736 <tr> 737 <td class="memname">int HC_DEPRECATED DES_set_key </td> 738 <td>(</td> 739 <td class="paramtype">DES_cblock * </td> 740 <td class="paramname"> <em>key</em>, </td> 741 </tr> 742 <tr> 743 <td class="paramkey"></td> 744 <td></td> 745 <td class="paramtype">DES_key_schedule * </td> 746 <td class="paramname"> <em>ks</em></td><td> </td> 747 </tr> 748 <tr> 749 <td></td> 750 <td>)</td> 751 <td></td><td></td><td></td> 752 </tr> 753 </table> 754</div> 755<div class="memdoc"> 756 757<p> 758Setup a des key schedule from a key. Deprecated function, use <a class="el" href="group__hcrypto__des.html#g8131d59b5c0f65ca8bba0873932680d5">DES_set_key_unchecked()</a> or <a class="el" href="group__hcrypto__des.html#g3157dd2419a25cd4381867f012117d07">DES_set_key_checked()</a> instead.<p> 759<dl compact><dt><b>Parameters:</b></dt><dd> 760 <table border="0" cellspacing="2" cellpadding="0"> 761 <tr><td valign="top"></td><td valign="top"><em>key</em> </td><td>a key to initialize the key schedule with. </td></tr> 762 <tr><td valign="top"></td><td valign="top"><em>ks</em> </td><td>a key schedule to initialize.</td></tr> 763 </table> 764</dl> 765<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 on success </dd></dl> 766 767</div> 768</div><p> 769<a class="anchor" name="g3157dd2419a25cd4381867f012117d07"></a><!-- doxytag: member="des.c::DES_set_key_checked" ref="g3157dd2419a25cd4381867f012117d07" args="(DES_cblock *key, DES_key_schedule *ks)" --> 770<div class="memitem"> 771<div class="memproto"> 772 <table class="memname"> 773 <tr> 774 <td class="memname">int DES_set_key_checked </td> 775 <td>(</td> 776 <td class="paramtype">DES_cblock * </td> 777 <td class="paramname"> <em>key</em>, </td> 778 </tr> 779 <tr> 780 <td class="paramkey"></td> 781 <td></td> 782 <td class="paramtype">DES_key_schedule * </td> 783 <td class="paramname"> <em>ks</em></td><td> </td> 784 </tr> 785 <tr> 786 <td></td> 787 <td>)</td> 788 <td></td><td></td><td></td> 789 </tr> 790 </table> 791</div> 792<div class="memdoc"> 793 794<p> 795Just like <a class="el" href="group__hcrypto__des.html#g8131d59b5c0f65ca8bba0873932680d5">DES_set_key_unchecked()</a> except checking that the key is not weak for or have correct parity.<p> 796<dl compact><dt><b>Parameters:</b></dt><dd> 797 <table border="0" cellspacing="2" cellpadding="0"> 798 <tr><td valign="top"></td><td valign="top"><em>key</em> </td><td>a key to initialize the key schedule with. </td></tr> 799 <tr><td valign="top"></td><td valign="top"><em>ks</em> </td><td>a key schedule to initialize.</td></tr> 800 </table> 801</dl> 802<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 on success, -1 on invalid parity, -2 on weak key. </dd></dl> 803 804</div> 805</div><p> 806<a class="anchor" name="g8131d59b5c0f65ca8bba0873932680d5"></a><!-- doxytag: member="des.c::DES_set_key_unchecked" ref="g8131d59b5c0f65ca8bba0873932680d5" args="(DES_cblock *key, DES_key_schedule *ks)" --> 807<div class="memitem"> 808<div class="memproto"> 809 <table class="memname"> 810 <tr> 811 <td class="memname">int DES_set_key_unchecked </td> 812 <td>(</td> 813 <td class="paramtype">DES_cblock * </td> 814 <td class="paramname"> <em>key</em>, </td> 815 </tr> 816 <tr> 817 <td class="paramkey"></td> 818 <td></td> 819 <td class="paramtype">DES_key_schedule * </td> 820 <td class="paramname"> <em>ks</em></td><td> </td> 821 </tr> 822 <tr> 823 <td></td> 824 <td>)</td> 825 <td></td><td></td><td></td> 826 </tr> 827 </table> 828</div> 829<div class="memdoc"> 830 831<p> 832Setup a des key schedule from a key. The key is no longer needed after this transaction and can cleared.<p> 833Does NOT check that the key is weak for or have wrong parity.<p> 834<dl compact><dt><b>Parameters:</b></dt><dd> 835 <table border="0" cellspacing="2" cellpadding="0"> 836 <tr><td valign="top"></td><td valign="top"><em>key</em> </td><td>a key to initialize the key schedule with. </td></tr> 837 <tr><td valign="top"></td><td valign="top"><em>ks</em> </td><td>a key schedule to initialize.</td></tr> 838 </table> 839</dl> 840<dl class="return" compact><dt><b>Returns:</b></dt><dd>0 on success </dd></dl> 841 842</div> 843</div><p> 844<a class="anchor" name="g4179bef43ceb72cc2034f39e7d2d5ae4"></a><!-- doxytag: member="des.c::DES_set_odd_parity" ref="g4179bef43ceb72cc2034f39e7d2d5ae4" args="(DES_cblock *key)" --> 845<div class="memitem"> 846<div class="memproto"> 847 <table class="memname"> 848 <tr> 849 <td class="memname">void DES_set_odd_parity </td> 850 <td>(</td> 851 <td class="paramtype">DES_cblock * </td> 852 <td class="paramname"> <em>key</em> </td> 853 <td> ) </td> 854 <td></td> 855 </tr> 856 </table> 857</div> 858<div class="memdoc"> 859 860<p> 861Set the parity of the key block, used to generate a des key from a random key. See <a class="el" href="page_des.html#des_keygen">DES key generation</a>.<p> 862<dl compact><dt><b>Parameters:</b></dt><dd> 863 <table border="0" cellspacing="2" cellpadding="0"> 864 <tr><td valign="top"></td><td valign="top"><em>key</em> </td><td>key to fixup the parity for. </td></tr> 865 </table> 866</dl> 867 868</div> 869</div><p> 870<a class="anchor" name="g60893cdc75d9ce8cbf4a5d7a874855c8"></a><!-- doxytag: member="des.c::DES_string_to_key" ref="g60893cdc75d9ce8cbf4a5d7a874855c8" args="(const char *str, DES_cblock *key)" --> 871<div class="memitem"> 872<div class="memproto"> 873 <table class="memname"> 874 <tr> 875 <td class="memname">void DES_string_to_key </td> 876 <td>(</td> 877 <td class="paramtype">const char * </td> 878 <td class="paramname"> <em>str</em>, </td> 879 </tr> 880 <tr> 881 <td class="paramkey"></td> 882 <td></td> 883 <td class="paramtype">DES_cblock * </td> 884 <td class="paramname"> <em>key</em></td><td> </td> 885 </tr> 886 <tr> 887 <td></td> 888 <td>)</td> 889 <td></td><td></td><td></td> 890 </tr> 891 </table> 892</div> 893<div class="memdoc"> 894 895<p> 896Convert a string to a DES key. Use something like <a class="el" href="group__hcrypto__misc.html#gece1627cc5535ef7b5e86e2f5a3eec04">PKCS5_PBKDF2_HMAC_SHA1()</a> to create key from passwords.<p> 897<dl compact><dt><b>Parameters:</b></dt><dd> 898 <table border="0" cellspacing="2" cellpadding="0"> 899 <tr><td valign="top"></td><td valign="top"><em>str</em> </td><td>The string to convert to a key </td></tr> 900 <tr><td valign="top"></td><td valign="top"><em>key</em> </td><td>the resulting key </td></tr> 901 </table> 902</dl> 903 904</div> 905</div><p> 906</div> 907<hr size="1"><address style="text-align: right;"><small> 908Generated on Wed Jan 11 14:07:38 2012 for Heimdal crypto library by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6</small></address> 909</body> 910</html> 911
