crypto/heimdal/doc/doxyout/krb5/html/group__krb5__crypto.html

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   3 <title>HeimdalKerberos5library: Heimdal Kerberos 5 cryptography functions</title>
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  23 <h1>Heimdal Kerberos 5 cryptography functions</h1><table border="0" cellpadding="0" cellspacing="0">
  24 <tr><td></td></tr>
  25 <tr><td colspan="2"><br><h2>Functions</h2></td></tr>
  26 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION <br>
  27 krb5_error_code KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#gd5f2b15d5fde369cf923e8fae4b00bec">krb5_enctype_valid</a> (krb5_context context, krb5_enctype etype)</td></tr>
  28
  29 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION <br>
  30 krb5_error_code KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#g49d7081ff071eacd28e3ffa90400580c">krb5_cksumtype_to_enctype</a> (krb5_context context, krb5_cksumtype ctype, krb5_enctype *etype)</td></tr>
  31
  32 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION <br>
  33 krb5_error_code KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#g674423844043d6beebb959bb8b7ab082">krb5_encrypt_iov_ivec</a> (krb5_context context, krb5_crypto crypto, unsigned usage, <a class="el" href="structkrb5__crypto__iov.html">krb5_crypto_iov</a> *data, int num_data, void *ivec)</td></tr>
  34
  35 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION <br>
  36 krb5_error_code KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#g64cad191491a5d3309553e7d28d8ad46">krb5_decrypt_iov_ivec</a> (krb5_context context, krb5_crypto crypto, unsigned usage, <a class="el" href="structkrb5__crypto__iov.html">krb5_crypto_iov</a> *data, unsigned int num_data, void *ivec)</td></tr>
  37
  38 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION <br>
  39 krb5_error_code KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#gb70888d1122aeed1e5381116a5a9612e">krb5_create_checksum_iov</a> (krb5_context context, krb5_crypto crypto, unsigned usage, <a class="el" href="structkrb5__crypto__iov.html">krb5_crypto_iov</a> *data, unsigned int num_data, krb5_cksumtype *type)</td></tr>
  40
  41 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION <br>
  42 krb5_error_code KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#g1789d8188287750394c3b8366a90bd13">krb5_verify_checksum_iov</a> (krb5_context context, krb5_crypto crypto, unsigned usage, <a class="el" href="structkrb5__crypto__iov.html">krb5_crypto_iov</a> *data, unsigned int num_data, krb5_cksumtype *type)</td></tr>
  43
  44 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION <br>
  45 krb5_error_code KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#gd7003a8a81cef633cc0a2cc07c93dd32">krb5_crypto_init</a> (krb5_context context, const krb5_keyblock *key, krb5_enctype etype, krb5_crypto *crypto)</td></tr>
  46
  47 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION <br>
  48 krb5_error_code KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#g57eaed735baab9eb3c3740be8e4d2137">krb5_crypto_destroy</a> (krb5_context context, krb5_crypto crypto)</td></tr>
  49
  50 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION <br>
  51 krb5_error_code KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#ga4271d4adba2dff699dfdfe07b075b95">krb5_crypto_getblocksize</a> (krb5_context context, krb5_crypto crypto, size_t *blocksize)</td></tr>
  52
  53 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION <br>
  54 krb5_error_code KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#g6bc15d1940ecdd4558f18eeb3dda233c">krb5_crypto_getenctype</a> (krb5_context context, krb5_crypto crypto, krb5_enctype *enctype)</td></tr>
  55
  56 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION <br>
  57 krb5_error_code KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#gfbed35e76f7d971b90cfe0806f43d279">krb5_crypto_getpadsize</a> (krb5_context context, krb5_crypto crypto, size_t *padsize)</td></tr>
  58
  59 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION <br>
  60 krb5_error_code KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#g38d88d8bf7be6913cfc7cf155a1ade8e">krb5_crypto_getconfoundersize</a> (krb5_context context, krb5_crypto crypto, size_t *confoundersize)</td></tr>
  61
  62 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION <br>
  63 krb5_error_code KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#g77acfc640aa003095ea5890de2ea1cb7">krb5_enctype_disable</a> (krb5_context context, krb5_enctype enctype)</td></tr>
  64
  65 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION <br>
  66 krb5_error_code KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#g8dfebc785c059e38c22c6ca34ed5f68a">krb5_enctype_enable</a> (krb5_context context, krb5_enctype enctype)</td></tr>
  67
  68 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION <br>
  69 krb5_error_code KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#g2790b9799fbe21ac4875c401eafb7444">krb5_allow_weak_crypto</a> (krb5_context context, krb5_boolean enable)</td></tr>
  70
  71 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION <br>
  72 krb5_error_code KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#ga5f3001696f59f7d47539efe82b1c4cd">krb5_random_to_key</a> (krb5_context context, krb5_enctype type, const void *data, size_t size, krb5_keyblock *key)</td></tr>
  73
  74 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION <br>
  75 krb5_error_code KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#g6deab998fe1c056fff541cdf0c119c44">krb5_crypto_fx_cf2</a> (krb5_context context, const krb5_crypto crypto1, const krb5_crypto crypto2, krb5_data *pepper1, krb5_data *pepper2, krb5_enctype enctype, krb5_keyblock *res)</td></tr>
  76
  77 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION <br>
  78 krb5_error_code KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#g147a581626c11fafee04bfda036781ea">krb5_generate_subkey_extended</a> (krb5_context context, const krb5_keyblock *key, krb5_enctype etype, krb5_keyblock **subkey)</td></tr>
  79
  80 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION void <br>
  81 KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#g33e1cb14ccab45ce46d51064caf07c10">krb5_keyblock_zero</a> (krb5_keyblock *keyblock)</td></tr>
  82
  83 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION void <br>
  84 KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#g66d5d8067358373fdab46987503f2398">krb5_free_keyblock_contents</a> (krb5_context context, krb5_keyblock *keyblock)</td></tr>
  85
  86 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION void <br>
  87 KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#g2e434abf56e7d7852358e11cdab0bb33">krb5_free_keyblock</a> (krb5_context context, krb5_keyblock *keyblock)</td></tr>
  88
  89 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION <br>
  90 krb5_error_code KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#g61fbae0666b6889f539c98a45c1564ae">krb5_copy_keyblock_contents</a> (krb5_context context, const krb5_keyblock *inblock, krb5_keyblock *to)</td></tr>
  91
  92 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION <br>
  93 krb5_error_code KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#gb68e1eb316fba45acafd300ac6d93101">krb5_copy_keyblock</a> (krb5_context context, const krb5_keyblock *inblock, krb5_keyblock **to)</td></tr>
  94
  95 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION krb5_enctype <br>
  96 KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#ga2caa584d5a6f0bbba3e1bae7255be5c">krb5_keyblock_get_enctype</a> (const krb5_keyblock *block)</td></tr>
  97
  98 <tr><td class="memItemLeft" nowrap align="right" valign="top">KRB5_LIB_FUNCTION <br>
  99 krb5_error_code KRB5_LIB_CALL&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__krb5__crypto.html#g690c42630f2f6b9f7ce96cc75441803d">krb5_keyblock_init</a> (krb5_context context, krb5_enctype type, const void *data, size_t size, krb5_keyblock *key)</td></tr>
 100
 101 </table>
 102 <hr><a name="_details"></a><h2>Detailed Description</h2>
 103 <hr><h2>Function Documentation</h2>
 104 <a class="anchor" name="g2790b9799fbe21ac4875c401eafb7444"></a><!-- doxytag: member="crypto.c::krb5_allow_weak_crypto" ref="g2790b9799fbe21ac4875c401eafb7444" args="(krb5_context context, krb5_boolean enable)" -->
 105 <div class="memitem">
 106 <div class="memproto">
 107       <table class="memname">
 108         <tr>
 109           <td class="memname">KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_allow_weak_crypto           </td>
 110           <td>(</td>
 111           <td class="paramtype">krb5_context&nbsp;</td>
 112           <td class="paramname"> <em>context</em>, </td>
 113         </tr>
 114         <tr>
 115           <td class="paramkey"></td>
 116           <td></td>
 117           <td class="paramtype">krb5_boolean&nbsp;</td>
 118           <td class="paramname"> <em>enable</em></td><td>&nbsp;</td>
 119         </tr>
 120         <tr>
 121           <td></td>
 122           <td>)</td>
 123           <td></td><td></td><td></td>
 124         </tr>
 125       </table>
 126 </div>
 127 <div class="memdoc">
 128
 129 <p>
 130 Enable or disable all weak encryption types<p>
 131 <dl compact><dt><b>Parameters:</b></dt><dd>
 132   <table border="0" cellspacing="2" cellpadding="0">
 133     <tr><td valign="top"></td><td valign="top"><em>context</em>&nbsp;</td><td>Kerberos 5 context </td></tr>
 134     <tr><td valign="top"></td><td valign="top"><em>enable</em>&nbsp;</td><td>true to enable, false to disable</td></tr>
 135   </table>
 136 </dl>
 137 <dl class="return" compact><dt><b>Returns:</b></dt><dd>Return an error code or 0. </dd></dl>
 138
 139 </div>
 140 </div><p>
 141 <a class="anchor" name="g49d7081ff071eacd28e3ffa90400580c"></a><!-- doxytag: member="crypto.c::krb5_cksumtype_to_enctype" ref="g49d7081ff071eacd28e3ffa90400580c" args="(krb5_context context, krb5_cksumtype ctype, krb5_enctype *etype)" -->
 142 <div class="memitem">
 143 <div class="memproto">
 144       <table class="memname">
 145         <tr>
 146           <td class="memname">KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_cksumtype_to_enctype           </td>
 147           <td>(</td>
 148           <td class="paramtype">krb5_context&nbsp;</td>
 149           <td class="paramname"> <em>context</em>, </td>
 150         </tr>
 151         <tr>
 152           <td class="paramkey"></td>
 153           <td></td>
 154           <td class="paramtype">krb5_cksumtype&nbsp;</td>
 155           <td class="paramname"> <em>ctype</em>, </td>
 156         </tr>
 157         <tr>
 158           <td class="paramkey"></td>
 159           <td></td>
 160           <td class="paramtype">krb5_enctype *&nbsp;</td>
 161           <td class="paramname"> <em>etype</em></td><td>&nbsp;</td>
 162         </tr>
 163         <tr>
 164           <td></td>
 165           <td>)</td>
 166           <td></td><td></td><td></td>
 167         </tr>
 168       </table>
 169 </div>
 170 <div class="memdoc">
 171
 172 <p>
 173 Return the coresponding encryption type for a checksum type.<p>
 174 <dl compact><dt><b>Parameters:</b></dt><dd>
 175   <table border="0" cellspacing="2" cellpadding="0">
 176     <tr><td valign="top"></td><td valign="top"><em>context</em>&nbsp;</td><td>Kerberos context </td></tr>
 177     <tr><td valign="top"></td><td valign="top"><em>ctype</em>&nbsp;</td><td>The checksum type to get the result enctype for </td></tr>
 178     <tr><td valign="top"></td><td valign="top"><em>etype</em>&nbsp;</td><td>The returned encryption, when the matching etype is not found, etype is set to ETYPE_NULL.</td></tr>
 179   </table>
 180 </dl>
 181 <dl class="return" compact><dt><b>Returns:</b></dt><dd>Return an error code for an failure or 0 on success. </dd></dl>
 182
 183 </div>
 184 </div><p>
 185 <a class="anchor" name="gb68e1eb316fba45acafd300ac6d93101"></a><!-- doxytag: member="keyblock.c::krb5_copy_keyblock" ref="gb68e1eb316fba45acafd300ac6d93101" args="(krb5_context context, const krb5_keyblock *inblock, krb5_keyblock **to)" -->
 186 <div class="memitem">
 187 <div class="memproto">
 188       <table class="memname">
 189         <tr>
 190           <td class="memname">KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_copy_keyblock           </td>
 191           <td>(</td>
 192           <td class="paramtype">krb5_context&nbsp;</td>
 193           <td class="paramname"> <em>context</em>, </td>
 194         </tr>
 195         <tr>
 196           <td class="paramkey"></td>
 197           <td></td>
 198           <td class="paramtype">const krb5_keyblock *&nbsp;</td>
 199           <td class="paramname"> <em>inblock</em>, </td>
 200         </tr>
 201         <tr>
 202           <td class="paramkey"></td>
 203           <td></td>
 204           <td class="paramtype">krb5_keyblock **&nbsp;</td>
 205           <td class="paramname"> <em>to</em></td><td>&nbsp;</td>
 206         </tr>
 207         <tr>
 208           <td></td>
 209           <td>)</td>
 210           <td></td><td></td><td></td>
 211         </tr>
 212       </table>
 213 </div>
 214 <div class="memdoc">
 215
 216 <p>
 217 Copy a keyblock, free the output keyblock with <a class="el" href="group__krb5__crypto.html#g2e434abf56e7d7852358e11cdab0bb33">krb5_free_keyblock()</a>.<p>
 218 <dl compact><dt><b>Parameters:</b></dt><dd>
 219   <table border="0" cellspacing="2" cellpadding="0">
 220     <tr><td valign="top"></td><td valign="top"><em>context</em>&nbsp;</td><td>a Kerberos 5 context </td></tr>
 221     <tr><td valign="top"></td><td valign="top"><em>inblock</em>&nbsp;</td><td>the key to copy </td></tr>
 222     <tr><td valign="top"></td><td valign="top"><em>to</em>&nbsp;</td><td>the output key.</td></tr>
 223   </table>
 224 </dl>
 225 <dl class="return" compact><dt><b>Returns:</b></dt><dd>0 on success or a Kerberos 5 error code </dd></dl>
 226
 227 </div>
 228 </div><p>
 229 <a class="anchor" name="g61fbae0666b6889f539c98a45c1564ae"></a><!-- doxytag: member="keyblock.c::krb5_copy_keyblock_contents" ref="g61fbae0666b6889f539c98a45c1564ae" args="(krb5_context context, const krb5_keyblock *inblock, krb5_keyblock *to)" -->
 230 <div class="memitem">
 231 <div class="memproto">
 232       <table class="memname">
 233         <tr>
 234           <td class="memname">KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_copy_keyblock_contents           </td>
 235           <td>(</td>
 236           <td class="paramtype">krb5_context&nbsp;</td>
 237           <td class="paramname"> <em>context</em>, </td>
 238         </tr>
 239         <tr>
 240           <td class="paramkey"></td>
 241           <td></td>
 242           <td class="paramtype">const krb5_keyblock *&nbsp;</td>
 243           <td class="paramname"> <em>inblock</em>, </td>
 244         </tr>
 245         <tr>
 246           <td class="paramkey"></td>
 247           <td></td>
 248           <td class="paramtype">krb5_keyblock *&nbsp;</td>
 249           <td class="paramname"> <em>to</em></td><td>&nbsp;</td>
 250         </tr>
 251         <tr>
 252           <td></td>
 253           <td>)</td>
 254           <td></td><td></td><td></td>
 255         </tr>
 256       </table>
 257 </div>
 258 <div class="memdoc">
 259
 260 <p>
 261 Copy a keyblock, free the output keyblock with <a class="el" href="group__krb5__crypto.html#g66d5d8067358373fdab46987503f2398">krb5_free_keyblock_contents()</a>.<p>
 262 <dl compact><dt><b>Parameters:</b></dt><dd>
 263   <table border="0" cellspacing="2" cellpadding="0">
 264     <tr><td valign="top"></td><td valign="top"><em>context</em>&nbsp;</td><td>a Kerberos 5 context </td></tr>
 265     <tr><td valign="top"></td><td valign="top"><em>inblock</em>&nbsp;</td><td>the key to copy </td></tr>
 266     <tr><td valign="top"></td><td valign="top"><em>to</em>&nbsp;</td><td>the output key.</td></tr>
 267   </table>
 268 </dl>
 269 <dl class="return" compact><dt><b>Returns:</b></dt><dd>0 on success or a Kerberos 5 error code </dd></dl>
 270
 271 </div>
 272 </div><p>
 273 <a class="anchor" name="gb70888d1122aeed1e5381116a5a9612e"></a><!-- doxytag: member="crypto.c::krb5_create_checksum_iov" ref="gb70888d1122aeed1e5381116a5a9612e" args="(krb5_context context, krb5_crypto crypto, unsigned usage, krb5_crypto_iov *data, unsigned int num_data, krb5_cksumtype *type)" -->
 274 <div class="memitem">
 275 <div class="memproto">
 276       <table class="memname">
 277         <tr>
 278           <td class="memname">KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_create_checksum_iov           </td>
 279           <td>(</td>
 280           <td class="paramtype">krb5_context&nbsp;</td>
 281           <td class="paramname"> <em>context</em>, </td>
 282         </tr>
 283         <tr>
 284           <td class="paramkey"></td>
 285           <td></td>
 286           <td class="paramtype">krb5_crypto&nbsp;</td>
 287           <td class="paramname"> <em>crypto</em>, </td>
 288         </tr>
 289         <tr>
 290           <td class="paramkey"></td>
 291           <td></td>
 292           <td class="paramtype">unsigned&nbsp;</td>
 293           <td class="paramname"> <em>usage</em>, </td>
 294         </tr>
 295         <tr>
 296           <td class="paramkey"></td>
 297           <td></td>
 298           <td class="paramtype"><a class="el" href="structkrb5__crypto__iov.html">krb5_crypto_iov</a> *&nbsp;</td>
 299           <td class="paramname"> <em>data</em>, </td>
 300         </tr>
 301         <tr>
 302           <td class="paramkey"></td>
 303           <td></td>
 304           <td class="paramtype">unsigned int&nbsp;</td>
 305           <td class="paramname"> <em>num_data</em>, </td>
 306         </tr>
 307         <tr>
 308           <td class="paramkey"></td>
 309           <td></td>
 310           <td class="paramtype">krb5_cksumtype *&nbsp;</td>
 311           <td class="paramname"> <em>type</em></td><td>&nbsp;</td>
 312         </tr>
 313         <tr>
 314           <td></td>
 315           <td>)</td>
 316           <td></td><td></td><td></td>
 317         </tr>
 318       </table>
 319 </div>
 320 <div class="memdoc">
 321
 322 <p>
 323 Create a Kerberos message checksum.<p>
 324 <dl compact><dt><b>Parameters:</b></dt><dd>
 325   <table border="0" cellspacing="2" cellpadding="0">
 326     <tr><td valign="top"></td><td valign="top"><em>context</em>&nbsp;</td><td>Kerberos context </td></tr>
 327     <tr><td valign="top"></td><td valign="top"><em>crypto</em>&nbsp;</td><td>Kerberos crypto context </td></tr>
 328     <tr><td valign="top"></td><td valign="top"><em>usage</em>&nbsp;</td><td>Key usage for this buffer </td></tr>
 329     <tr><td valign="top"></td><td valign="top"><em>data</em>&nbsp;</td><td>array of buffers to process </td></tr>
 330     <tr><td valign="top"></td><td valign="top"><em>num_data</em>&nbsp;</td><td>length of array </td></tr>
 331     <tr><td valign="top"></td><td valign="top"><em>type</em>&nbsp;</td><td>output data</td></tr>
 332   </table>
 333 </dl>
 334 <dl class="return" compact><dt><b>Returns:</b></dt><dd>Return an error code or 0. </dd></dl>
 335
 336 </div>
 337 </div><p>
 338 <a class="anchor" name="g57eaed735baab9eb3c3740be8e4d2137"></a><!-- doxytag: member="crypto.c::krb5_crypto_destroy" ref="g57eaed735baab9eb3c3740be8e4d2137" args="(krb5_context context, krb5_crypto crypto)" -->
 339 <div class="memitem">
 340 <div class="memproto">
 341       <table class="memname">
 342         <tr>
 343           <td class="memname">KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_crypto_destroy           </td>
 344           <td>(</td>
 345           <td class="paramtype">krb5_context&nbsp;</td>
 346           <td class="paramname"> <em>context</em>, </td>
 347         </tr>
 348         <tr>
 349           <td class="paramkey"></td>
 350           <td></td>
 351           <td class="paramtype">krb5_crypto&nbsp;</td>
 352           <td class="paramname"> <em>crypto</em></td><td>&nbsp;</td>
 353         </tr>
 354         <tr>
 355           <td></td>
 356           <td>)</td>
 357           <td></td><td></td><td></td>
 358         </tr>
 359       </table>
 360 </div>
 361 <div class="memdoc">
 362
 363 <p>
 364 Free a crypto context created by <a class="el" href="group__krb5__crypto.html#gd7003a8a81cef633cc0a2cc07c93dd32">krb5_crypto_init()</a>.<p>
 365 <dl compact><dt><b>Parameters:</b></dt><dd>
 366   <table border="0" cellspacing="2" cellpadding="0">
 367     <tr><td valign="top"></td><td valign="top"><em>context</em>&nbsp;</td><td>Kerberos context </td></tr>
 368     <tr><td valign="top"></td><td valign="top"><em>crypto</em>&nbsp;</td><td>crypto context to free</td></tr>
 369   </table>
 370 </dl>
 371 <dl class="return" compact><dt><b>Returns:</b></dt><dd>Return an error code or 0. </dd></dl>
 372
 373 </div>
 374 </div><p>
 375 <a class="anchor" name="g6deab998fe1c056fff541cdf0c119c44"></a><!-- doxytag: member="crypto.c::krb5_crypto_fx_cf2" ref="g6deab998fe1c056fff541cdf0c119c44" args="(krb5_context context, const krb5_crypto crypto1, const krb5_crypto crypto2, krb5_data *pepper1, krb5_data *pepper2, krb5_enctype enctype, krb5_keyblock *res)" -->
 376 <div class="memitem">
 377 <div class="memproto">
 378       <table class="memname">
 379         <tr>
 380           <td class="memname">KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_crypto_fx_cf2           </td>
 381           <td>(</td>
 382           <td class="paramtype">krb5_context&nbsp;</td>
 383           <td class="paramname"> <em>context</em>, </td>
 384         </tr>
 385         <tr>
 386           <td class="paramkey"></td>
 387           <td></td>
 388           <td class="paramtype">const krb5_crypto&nbsp;</td>
 389           <td class="paramname"> <em>crypto1</em>, </td>
 390         </tr>
 391         <tr>
 392           <td class="paramkey"></td>
 393           <td></td>
 394           <td class="paramtype">const krb5_crypto&nbsp;</td>
 395           <td class="paramname"> <em>crypto2</em>, </td>
 396         </tr>
 397         <tr>
 398           <td class="paramkey"></td>
 399           <td></td>
 400           <td class="paramtype">krb5_data *&nbsp;</td>
 401           <td class="paramname"> <em>pepper1</em>, </td>
 402         </tr>
 403         <tr>
 404           <td class="paramkey"></td>
 405           <td></td>
 406           <td class="paramtype">krb5_data *&nbsp;</td>
 407           <td class="paramname"> <em>pepper2</em>, </td>
 408         </tr>
 409         <tr>
 410           <td class="paramkey"></td>
 411           <td></td>
 412           <td class="paramtype">krb5_enctype&nbsp;</td>
 413           <td class="paramname"> <em>enctype</em>, </td>
 414         </tr>
 415         <tr>
 416           <td class="paramkey"></td>
 417           <td></td>
 418           <td class="paramtype">krb5_keyblock *&nbsp;</td>
 419           <td class="paramname"> <em>res</em></td><td>&nbsp;</td>
 420         </tr>
 421         <tr>
 422           <td></td>
 423           <td>)</td>
 424           <td></td><td></td><td></td>
 425         </tr>
 426       </table>
 427 </div>
 428 <div class="memdoc">
 429
 430 <p>
 431 The FX-CF2 key derivation function, used in FAST and preauth framework.<p>
 432 <dl compact><dt><b>Parameters:</b></dt><dd>
 433   <table border="0" cellspacing="2" cellpadding="0">
 434     <tr><td valign="top"></td><td valign="top"><em>context</em>&nbsp;</td><td>Kerberos 5 context </td></tr>
 435     <tr><td valign="top"></td><td valign="top"><em>crypto1</em>&nbsp;</td><td>first key to combine </td></tr>
 436     <tr><td valign="top"></td><td valign="top"><em>crypto2</em>&nbsp;</td><td>second key to combine </td></tr>
 437     <tr><td valign="top"></td><td valign="top"><em>pepper1</em>&nbsp;</td><td>factor to combine with first key to garante uniqueness </td></tr>
 438     <tr><td valign="top"></td><td valign="top"><em>pepper2</em>&nbsp;</td><td>factor to combine with second key to garante uniqueness </td></tr>
 439     <tr><td valign="top"></td><td valign="top"><em>enctype</em>&nbsp;</td><td>the encryption type of the resulting key </td></tr>
 440     <tr><td valign="top"></td><td valign="top"><em>res</em>&nbsp;</td><td>allocated key, free with <a class="el" href="group__krb5__crypto.html#g66d5d8067358373fdab46987503f2398">krb5_free_keyblock_contents()</a></td></tr>
 441   </table>
 442 </dl>
 443 <dl class="return" compact><dt><b>Returns:</b></dt><dd>Return an error code or 0. </dd></dl>
 444
 445 </div>
 446 </div><p>
 447 <a class="anchor" name="ga4271d4adba2dff699dfdfe07b075b95"></a><!-- doxytag: member="crypto.c::krb5_crypto_getblocksize" ref="ga4271d4adba2dff699dfdfe07b075b95" args="(krb5_context context, krb5_crypto crypto, size_t *blocksize)" -->
 448 <div class="memitem">
 449 <div class="memproto">
 450       <table class="memname">
 451         <tr>
 452           <td class="memname">KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_crypto_getblocksize           </td>
 453           <td>(</td>
 454           <td class="paramtype">krb5_context&nbsp;</td>
 455           <td class="paramname"> <em>context</em>, </td>
 456         </tr>
 457         <tr>
 458           <td class="paramkey"></td>
 459           <td></td>
 460           <td class="paramtype">krb5_crypto&nbsp;</td>
 461           <td class="paramname"> <em>crypto</em>, </td>
 462         </tr>
 463         <tr>
 464           <td class="paramkey"></td>
 465           <td></td>
 466           <td class="paramtype">size_t *&nbsp;</td>
 467           <td class="paramname"> <em>blocksize</em></td><td>&nbsp;</td>
 468         </tr>
 469         <tr>
 470           <td></td>
 471           <td>)</td>
 472           <td></td><td></td><td></td>
 473         </tr>
 474       </table>
 475 </div>
 476 <div class="memdoc">
 477
 478 <p>
 479 Return the blocksize used algorithm referenced by the crypto context<p>
 480 <dl compact><dt><b>Parameters:</b></dt><dd>
 481   <table border="0" cellspacing="2" cellpadding="0">
 482     <tr><td valign="top"></td><td valign="top"><em>context</em>&nbsp;</td><td>Kerberos context </td></tr>
 483     <tr><td valign="top"></td><td valign="top"><em>crypto</em>&nbsp;</td><td>crypto context to query </td></tr>
 484     <tr><td valign="top"></td><td valign="top"><em>blocksize</em>&nbsp;</td><td>the resulting blocksize</td></tr>
 485   </table>
 486 </dl>
 487 <dl class="return" compact><dt><b>Returns:</b></dt><dd>Return an error code or 0. </dd></dl>
 488
 489 </div>
 490 </div><p>
 491 <a class="anchor" name="g38d88d8bf7be6913cfc7cf155a1ade8e"></a><!-- doxytag: member="crypto.c::krb5_crypto_getconfoundersize" ref="g38d88d8bf7be6913cfc7cf155a1ade8e" args="(krb5_context context, krb5_crypto crypto, size_t *confoundersize)" -->
 492 <div class="memitem">
 493 <div class="memproto">
 494       <table class="memname">
 495         <tr>
 496           <td class="memname">KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_crypto_getconfoundersize           </td>
 497           <td>(</td>
 498           <td class="paramtype">krb5_context&nbsp;</td>
 499           <td class="paramname"> <em>context</em>, </td>
 500         </tr>
 501         <tr>
 502           <td class="paramkey"></td>
 503           <td></td>
 504           <td class="paramtype">krb5_crypto&nbsp;</td>
 505           <td class="paramname"> <em>crypto</em>, </td>
 506         </tr>
 507         <tr>
 508           <td class="paramkey"></td>
 509           <td></td>
 510           <td class="paramtype">size_t *&nbsp;</td>
 511           <td class="paramname"> <em>confoundersize</em></td><td>&nbsp;</td>
 512         </tr>
 513         <tr>
 514           <td></td>
 515           <td>)</td>
 516           <td></td><td></td><td></td>
 517         </tr>
 518       </table>
 519 </div>
 520 <div class="memdoc">
 521
 522 <p>
 523 Return the confounder size used by the crypto context<p>
 524 <dl compact><dt><b>Parameters:</b></dt><dd>
 525   <table border="0" cellspacing="2" cellpadding="0">
 526     <tr><td valign="top"></td><td valign="top"><em>context</em>&nbsp;</td><td>Kerberos context </td></tr>
 527     <tr><td valign="top"></td><td valign="top"><em>crypto</em>&nbsp;</td><td>crypto context to query </td></tr>
 528     <tr><td valign="top"></td><td valign="top"><em>confoundersize</em>&nbsp;</td><td>the returned confounder size</td></tr>
 529   </table>
 530 </dl>
 531 <dl class="return" compact><dt><b>Returns:</b></dt><dd>Return an error code or 0. </dd></dl>
 532
 533 </div>
 534 </div><p>
 535 <a class="anchor" name="g6bc15d1940ecdd4558f18eeb3dda233c"></a><!-- doxytag: member="crypto.c::krb5_crypto_getenctype" ref="g6bc15d1940ecdd4558f18eeb3dda233c" args="(krb5_context context, krb5_crypto crypto, krb5_enctype *enctype)" -->
 536 <div class="memitem">
 537 <div class="memproto">
 538       <table class="memname">
 539         <tr>
 540           <td class="memname">KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_crypto_getenctype           </td>
 541           <td>(</td>
 542           <td class="paramtype">krb5_context&nbsp;</td>
 543           <td class="paramname"> <em>context</em>, </td>
 544         </tr>
 545         <tr>
 546           <td class="paramkey"></td>
 547           <td></td>
 548           <td class="paramtype">krb5_crypto&nbsp;</td>
 549           <td class="paramname"> <em>crypto</em>, </td>
 550         </tr>
 551         <tr>
 552           <td class="paramkey"></td>
 553           <td></td>
 554           <td class="paramtype">krb5_enctype *&nbsp;</td>
 555           <td class="paramname"> <em>enctype</em></td><td>&nbsp;</td>
 556         </tr>
 557         <tr>
 558           <td></td>
 559           <td>)</td>
 560           <td></td><td></td><td></td>
 561         </tr>
 562       </table>
 563 </div>
 564 <div class="memdoc">
 565
 566 <p>
 567 Return the encryption type used by the crypto context<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>context</em>&nbsp;</td><td>Kerberos context </td></tr>
 571     <tr><td valign="top"></td><td valign="top"><em>crypto</em>&nbsp;</td><td>crypto context to query </td></tr>
 572     <tr><td valign="top"></td><td valign="top"><em>enctype</em>&nbsp;</td><td>the resulting encryption type</td></tr>
 573   </table>
 574 </dl>
 575 <dl class="return" compact><dt><b>Returns:</b></dt><dd>Return an error code or 0. </dd></dl>
 576
 577 </div>
 578 </div><p>
 579 <a class="anchor" name="gfbed35e76f7d971b90cfe0806f43d279"></a><!-- doxytag: member="crypto.c::krb5_crypto_getpadsize" ref="gfbed35e76f7d971b90cfe0806f43d279" args="(krb5_context context, krb5_crypto crypto, size_t *padsize)" -->
 580 <div class="memitem">
 581 <div class="memproto">
 582       <table class="memname">
 583         <tr>
 584           <td class="memname">KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_crypto_getpadsize           </td>
 585           <td>(</td>
 586           <td class="paramtype">krb5_context&nbsp;</td>
 587           <td class="paramname"> <em>context</em>, </td>
 588         </tr>
 589         <tr>
 590           <td class="paramkey"></td>
 591           <td></td>
 592           <td class="paramtype">krb5_crypto&nbsp;</td>
 593           <td class="paramname"> <em>crypto</em>, </td>
 594         </tr>
 595         <tr>
 596           <td class="paramkey"></td>
 597           <td></td>
 598           <td class="paramtype">size_t *&nbsp;</td>
 599           <td class="paramname"> <em>padsize</em></td><td>&nbsp;</td>
 600         </tr>
 601         <tr>
 602           <td></td>
 603           <td>)</td>
 604           <td></td><td></td><td></td>
 605         </tr>
 606       </table>
 607 </div>
 608 <div class="memdoc">
 609
 610 <p>
 611 Return the padding size used by the crypto context<p>
 612 <dl compact><dt><b>Parameters:</b></dt><dd>
 613   <table border="0" cellspacing="2" cellpadding="0">
 614     <tr><td valign="top"></td><td valign="top"><em>context</em>&nbsp;</td><td>Kerberos context </td></tr>
 615     <tr><td valign="top"></td><td valign="top"><em>crypto</em>&nbsp;</td><td>crypto context to query </td></tr>
 616     <tr><td valign="top"></td><td valign="top"><em>padsize</em>&nbsp;</td><td>the return padding size</td></tr>
 617   </table>
 618 </dl>
 619 <dl class="return" compact><dt><b>Returns:</b></dt><dd>Return an error code or 0. </dd></dl>
 620
 621 </div>
 622 </div><p>
 623 <a class="anchor" name="gd7003a8a81cef633cc0a2cc07c93dd32"></a><!-- doxytag: member="crypto.c::krb5_crypto_init" ref="gd7003a8a81cef633cc0a2cc07c93dd32" args="(krb5_context context, const krb5_keyblock *key, krb5_enctype etype, krb5_crypto *crypto)" -->
 624 <div class="memitem">
 625 <div class="memproto">
 626       <table class="memname">
 627         <tr>
 628           <td class="memname">KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_crypto_init           </td>
 629           <td>(</td>
 630           <td class="paramtype">krb5_context&nbsp;</td>
 631           <td class="paramname"> <em>context</em>, </td>
 632         </tr>
 633         <tr>
 634           <td class="paramkey"></td>
 635           <td></td>
 636           <td class="paramtype">const krb5_keyblock *&nbsp;</td>
 637           <td class="paramname"> <em>key</em>, </td>
 638         </tr>
 639         <tr>
 640           <td class="paramkey"></td>
 641           <td></td>
 642           <td class="paramtype">krb5_enctype&nbsp;</td>
 643           <td class="paramname"> <em>etype</em>, </td>
 644         </tr>
 645         <tr>
 646           <td class="paramkey"></td>
 647           <td></td>
 648           <td class="paramtype">krb5_crypto *&nbsp;</td>
 649           <td class="paramname"> <em>crypto</em></td><td>&nbsp;</td>
 650         </tr>
 651         <tr>
 652           <td></td>
 653           <td>)</td>
 654           <td></td><td></td><td></td>
 655         </tr>
 656       </table>
 657 </div>
 658 <div class="memdoc">
 659
 660 <p>
 661 Create a crypto context used for all encryption and signature operation. The encryption type to use is taken from the key, but can be overridden with the enctype parameter. This can be useful for encryptions types which is compatiable (DES for example).<p>
 662 To free the crypto context, use <a class="el" href="group__krb5__crypto.html#g57eaed735baab9eb3c3740be8e4d2137">krb5_crypto_destroy()</a>.<p>
 663 <dl compact><dt><b>Parameters:</b></dt><dd>
 664   <table border="0" cellspacing="2" cellpadding="0">
 665     <tr><td valign="top"></td><td valign="top"><em>context</em>&nbsp;</td><td>Kerberos context </td></tr>
 666     <tr><td valign="top"></td><td valign="top"><em>key</em>&nbsp;</td><td>the key block information with all key data </td></tr>
 667     <tr><td valign="top"></td><td valign="top"><em>etype</em>&nbsp;</td><td>the encryption type </td></tr>
 668     <tr><td valign="top"></td><td valign="top"><em>crypto</em>&nbsp;</td><td>the resulting crypto context</td></tr>
 669   </table>
 670 </dl>
 671 <dl class="return" compact><dt><b>Returns:</b></dt><dd>Return an error code or 0. </dd></dl>
 672
 673 </div>
 674 </div><p>
 675 <a class="anchor" name="g64cad191491a5d3309553e7d28d8ad46"></a><!-- doxytag: member="crypto.c::krb5_decrypt_iov_ivec" ref="g64cad191491a5d3309553e7d28d8ad46" args="(krb5_context context, krb5_crypto crypto, unsigned usage, krb5_crypto_iov *data, unsigned int num_data, void *ivec)" -->
 676 <div class="memitem">
 677 <div class="memproto">
 678       <table class="memname">
 679         <tr>
 680           <td class="memname">KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_decrypt_iov_ivec           </td>
 681           <td>(</td>
 682           <td class="paramtype">krb5_context&nbsp;</td>
 683           <td class="paramname"> <em>context</em>, </td>
 684         </tr>
 685         <tr>
 686           <td class="paramkey"></td>
 687           <td></td>
 688           <td class="paramtype">krb5_crypto&nbsp;</td>
 689           <td class="paramname"> <em>crypto</em>, </td>
 690         </tr>
 691         <tr>
 692           <td class="paramkey"></td>
 693           <td></td>
 694           <td class="paramtype">unsigned&nbsp;</td>
 695           <td class="paramname"> <em>usage</em>, </td>
 696         </tr>
 697         <tr>
 698           <td class="paramkey"></td>
 699           <td></td>
 700           <td class="paramtype"><a class="el" href="structkrb5__crypto__iov.html">krb5_crypto_iov</a> *&nbsp;</td>
 701           <td class="paramname"> <em>data</em>, </td>
 702         </tr>
 703         <tr>
 704           <td class="paramkey"></td>
 705           <td></td>
 706           <td class="paramtype">unsigned int&nbsp;</td>
 707           <td class="paramname"> <em>num_data</em>, </td>
 708         </tr>
 709         <tr>
 710           <td class="paramkey"></td>
 711           <td></td>
 712           <td class="paramtype">void *&nbsp;</td>
 713           <td class="paramname"> <em>ivec</em></td><td>&nbsp;</td>
 714         </tr>
 715         <tr>
 716           <td></td>
 717           <td>)</td>
 718           <td></td><td></td><td></td>
 719         </tr>
 720       </table>
 721 </div>
 722 <div class="memdoc">
 723
 724 <p>
 725 Inline decrypt a Kerberos message.<p>
 726 <dl compact><dt><b>Parameters:</b></dt><dd>
 727   <table border="0" cellspacing="2" cellpadding="0">
 728     <tr><td valign="top"></td><td valign="top"><em>context</em>&nbsp;</td><td>Kerberos context </td></tr>
 729     <tr><td valign="top"></td><td valign="top"><em>crypto</em>&nbsp;</td><td>Kerberos crypto context </td></tr>
 730     <tr><td valign="top"></td><td valign="top"><em>usage</em>&nbsp;</td><td>Key usage for this buffer </td></tr>
 731     <tr><td valign="top"></td><td valign="top"><em>data</em>&nbsp;</td><td>array of buffers to process </td></tr>
 732     <tr><td valign="top"></td><td valign="top"><em>num_data</em>&nbsp;</td><td>length of array </td></tr>
 733     <tr><td valign="top"></td><td valign="top"><em>ivec</em>&nbsp;</td><td>initial cbc/cts vector</td></tr>
 734   </table>
 735 </dl>
 736 <dl class="return" compact><dt><b>Returns:</b></dt><dd>Return an error code or 0.</dd></dl>
 737 1. KRB5_CRYPTO_TYPE_HEADER 2. one KRB5_CRYPTO_TYPE_DATA and array [0,...] of KRB5_CRYPTO_TYPE_SIGN_ONLY in any order, however the receiver have to aware of the order. KRB5_CRYPTO_TYPE_SIGN_ONLY is commonly used unencrypoted protocol headers and trailers. The output data will be of same size as the input data or shorter.
 738 </div>
 739 </div><p>
 740 <a class="anchor" name="g674423844043d6beebb959bb8b7ab082"></a><!-- doxytag: member="crypto.c::krb5_encrypt_iov_ivec" ref="g674423844043d6beebb959bb8b7ab082" args="(krb5_context context, krb5_crypto crypto, unsigned usage, krb5_crypto_iov *data, int num_data, void *ivec)" -->
 741 <div class="memitem">
 742 <div class="memproto">
 743       <table class="memname">
 744         <tr>
 745           <td class="memname">KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_encrypt_iov_ivec           </td>
 746           <td>(</td>
 747           <td class="paramtype">krb5_context&nbsp;</td>
 748           <td class="paramname"> <em>context</em>, </td>
 749         </tr>
 750         <tr>
 751           <td class="paramkey"></td>
 752           <td></td>
 753           <td class="paramtype">krb5_crypto&nbsp;</td>
 754           <td class="paramname"> <em>crypto</em>, </td>
 755         </tr>
 756         <tr>
 757           <td class="paramkey"></td>
 758           <td></td>
 759           <td class="paramtype">unsigned&nbsp;</td>
 760           <td class="paramname"> <em>usage</em>, </td>
 761         </tr>
 762         <tr>
 763           <td class="paramkey"></td>
 764           <td></td>
 765           <td class="paramtype"><a class="el" href="structkrb5__crypto__iov.html">krb5_crypto_iov</a> *&nbsp;</td>
 766           <td class="paramname"> <em>data</em>, </td>
 767         </tr>
 768         <tr>
 769           <td class="paramkey"></td>
 770           <td></td>
 771           <td class="paramtype">int&nbsp;</td>
 772           <td class="paramname"> <em>num_data</em>, </td>
 773         </tr>
 774         <tr>
 775           <td class="paramkey"></td>
 776           <td></td>
 777           <td class="paramtype">void *&nbsp;</td>
 778           <td class="paramname"> <em>ivec</em></td><td>&nbsp;</td>
 779         </tr>
 780         <tr>
 781           <td></td>
 782           <td>)</td>
 783           <td></td><td></td><td></td>
 784         </tr>
 785       </table>
 786 </div>
 787 <div class="memdoc">
 788
 789 <p>
 790 Inline encrypt a kerberos message<p>
 791 <dl compact><dt><b>Parameters:</b></dt><dd>
 792   <table border="0" cellspacing="2" cellpadding="0">
 793     <tr><td valign="top"></td><td valign="top"><em>context</em>&nbsp;</td><td>Kerberos context </td></tr>
 794     <tr><td valign="top"></td><td valign="top"><em>crypto</em>&nbsp;</td><td>Kerberos crypto context </td></tr>
 795     <tr><td valign="top"></td><td valign="top"><em>usage</em>&nbsp;</td><td>Key usage for this buffer </td></tr>
 796     <tr><td valign="top"></td><td valign="top"><em>data</em>&nbsp;</td><td>array of buffers to process </td></tr>
 797     <tr><td valign="top"></td><td valign="top"><em>num_data</em>&nbsp;</td><td>length of array </td></tr>
 798     <tr><td valign="top"></td><td valign="top"><em>ivec</em>&nbsp;</td><td>initial cbc/cts vector</td></tr>
 799   </table>
 800 </dl>
 801 <dl class="return" compact><dt><b>Returns:</b></dt><dd>Return an error code or 0.</dd></dl>
 802 Kerberos encrypted data look like this:<p>
 803 1. KRB5_CRYPTO_TYPE_HEADER 2. array [1,...] KRB5_CRYPTO_TYPE_DATA and array [0,...] KRB5_CRYPTO_TYPE_SIGN_ONLY in any order, however the receiver have to aware of the order. KRB5_CRYPTO_TYPE_SIGN_ONLY is commonly used headers and trailers. 3. KRB5_CRYPTO_TYPE_PADDING, at least on padsize long if padsize &gt; 1 4. KRB5_CRYPTO_TYPE_TRAILER
 804 </div>
 805 </div><p>
 806 <a class="anchor" name="g77acfc640aa003095ea5890de2ea1cb7"></a><!-- doxytag: member="crypto.c::krb5_enctype_disable" ref="g77acfc640aa003095ea5890de2ea1cb7" args="(krb5_context context, krb5_enctype enctype)" -->
 807 <div class="memitem">
 808 <div class="memproto">
 809       <table class="memname">
 810         <tr>
 811           <td class="memname">KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_enctype_disable           </td>
 812           <td>(</td>
 813           <td class="paramtype">krb5_context&nbsp;</td>
 814           <td class="paramname"> <em>context</em>, </td>
 815         </tr>
 816         <tr>
 817           <td class="paramkey"></td>
 818           <td></td>
 819           <td class="paramtype">krb5_enctype&nbsp;</td>
 820           <td class="paramname"> <em>enctype</em></td><td>&nbsp;</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>
 832 Disable encryption type<p>
 833 <dl compact><dt><b>Parameters:</b></dt><dd>
 834   <table border="0" cellspacing="2" cellpadding="0">
 835     <tr><td valign="top"></td><td valign="top"><em>context</em>&nbsp;</td><td>Kerberos 5 context </td></tr>
 836     <tr><td valign="top"></td><td valign="top"><em>enctype</em>&nbsp;</td><td>encryption type to disable</td></tr>
 837   </table>
 838 </dl>
 839 <dl class="return" compact><dt><b>Returns:</b></dt><dd>Return an error code or 0. </dd></dl>
 840
 841 </div>
 842 </div><p>
 843 <a class="anchor" name="g8dfebc785c059e38c22c6ca34ed5f68a"></a><!-- doxytag: member="crypto.c::krb5_enctype_enable" ref="g8dfebc785c059e38c22c6ca34ed5f68a" args="(krb5_context context, krb5_enctype enctype)" -->
 844 <div class="memitem">
 845 <div class="memproto">
 846       <table class="memname">
 847         <tr>
 848           <td class="memname">KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_enctype_enable           </td>
 849           <td>(</td>
 850           <td class="paramtype">krb5_context&nbsp;</td>
 851           <td class="paramname"> <em>context</em>, </td>
 852         </tr>
 853         <tr>
 854           <td class="paramkey"></td>
 855           <td></td>
 856           <td class="paramtype">krb5_enctype&nbsp;</td>
 857           <td class="paramname"> <em>enctype</em></td><td>&nbsp;</td>
 858         </tr>
 859         <tr>
 860           <td></td>
 861           <td>)</td>
 862           <td></td><td></td><td></td>
 863         </tr>
 864       </table>
 865 </div>
 866 <div class="memdoc">
 867
 868 <p>
 869 Enable encryption type<p>
 870 <dl compact><dt><b>Parameters:</b></dt><dd>
 871   <table border="0" cellspacing="2" cellpadding="0">
 872     <tr><td valign="top"></td><td valign="top"><em>context</em>&nbsp;</td><td>Kerberos 5 context </td></tr>
 873     <tr><td valign="top"></td><td valign="top"><em>enctype</em>&nbsp;</td><td>encryption type to enable</td></tr>
 874   </table>
 875 </dl>
 876 <dl class="return" compact><dt><b>Returns:</b></dt><dd>Return an error code or 0. </dd></dl>
 877
 878 </div>
 879 </div><p>
 880 <a class="anchor" name="gd5f2b15d5fde369cf923e8fae4b00bec"></a><!-- doxytag: member="crypto.c::krb5_enctype_valid" ref="gd5f2b15d5fde369cf923e8fae4b00bec" args="(krb5_context context, krb5_enctype etype)" -->
 881 <div class="memitem">
 882 <div class="memproto">
 883       <table class="memname">
 884         <tr>
 885           <td class="memname">KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_enctype_valid           </td>
 886           <td>(</td>
 887           <td class="paramtype">krb5_context&nbsp;</td>
 888           <td class="paramname"> <em>context</em>, </td>
 889         </tr>
 890         <tr>
 891           <td class="paramkey"></td>
 892           <td></td>
 893           <td class="paramtype">krb5_enctype&nbsp;</td>
 894           <td class="paramname"> <em>etype</em></td><td>&nbsp;</td>
 895         </tr>
 896         <tr>
 897           <td></td>
 898           <td>)</td>
 899           <td></td><td></td><td></td>
 900         </tr>
 901       </table>
 902 </div>
 903 <div class="memdoc">
 904
 905 <p>
 906 Check if a enctype is valid, return 0 if it is.<p>
 907 <dl compact><dt><b>Parameters:</b></dt><dd>
 908   <table border="0" cellspacing="2" cellpadding="0">
 909     <tr><td valign="top"></td><td valign="top"><em>context</em>&nbsp;</td><td>Kerberos context </td></tr>
 910     <tr><td valign="top"></td><td valign="top"><em>etype</em>&nbsp;</td><td>enctype to check if its valid or not</td></tr>
 911   </table>
 912 </dl>
 913 <dl class="return" compact><dt><b>Returns:</b></dt><dd>Return an error code for an failure or 0 on success (enctype valid). </dd></dl>
 914
 915 </div>
 916 </div><p>
 917 <a class="anchor" name="g2e434abf56e7d7852358e11cdab0bb33"></a><!-- doxytag: member="keyblock.c::krb5_free_keyblock" ref="g2e434abf56e7d7852358e11cdab0bb33" args="(krb5_context context, krb5_keyblock *keyblock)" -->
 918 <div class="memitem">
 919 <div class="memproto">
 920       <table class="memname">
 921         <tr>
 922           <td class="memname">KRB5_LIB_FUNCTION void KRB5_LIB_CALL krb5_free_keyblock           </td>
 923           <td>(</td>
 924           <td class="paramtype">krb5_context&nbsp;</td>
 925           <td class="paramname"> <em>context</em>, </td>
 926         </tr>
 927         <tr>
 928           <td class="paramkey"></td>
 929           <td></td>
 930           <td class="paramtype">krb5_keyblock *&nbsp;</td>
 931           <td class="paramname"> <em>keyblock</em></td><td>&nbsp;</td>
 932         </tr>
 933         <tr>
 934           <td></td>
 935           <td>)</td>
 936           <td></td><td></td><td></td>
 937         </tr>
 938       </table>
 939 </div>
 940 <div class="memdoc">
 941
 942 <p>
 943 Free a keyblock, also zero out the content of the keyblock, uses <a class="el" href="group__krb5__crypto.html#g66d5d8067358373fdab46987503f2398">krb5_free_keyblock_contents()</a> to free the content.<p>
 944 <dl compact><dt><b>Parameters:</b></dt><dd>
 945   <table border="0" cellspacing="2" cellpadding="0">
 946     <tr><td valign="top"></td><td valign="top"><em>context</em>&nbsp;</td><td>a Kerberos 5 context </td></tr>
 947     <tr><td valign="top"></td><td valign="top"><em>keyblock</em>&nbsp;</td><td>keyblock to free, NULL is valid argument </td></tr>
 948   </table>
 949 </dl>
 950
 951 </div>
 952 </div><p>
 953 <a class="anchor" name="g66d5d8067358373fdab46987503f2398"></a><!-- doxytag: member="keyblock.c::krb5_free_keyblock_contents" ref="g66d5d8067358373fdab46987503f2398" args="(krb5_context context, krb5_keyblock *keyblock)" -->
 954 <div class="memitem">
 955 <div class="memproto">
 956       <table class="memname">
 957         <tr>
 958           <td class="memname">KRB5_LIB_FUNCTION void KRB5_LIB_CALL krb5_free_keyblock_contents           </td>
 959           <td>(</td>
 960           <td class="paramtype">krb5_context&nbsp;</td>
 961           <td class="paramname"> <em>context</em>, </td>
 962         </tr>
 963         <tr>
 964           <td class="paramkey"></td>
 965           <td></td>
 966           <td class="paramtype">krb5_keyblock *&nbsp;</td>
 967           <td class="paramname"> <em>keyblock</em></td><td>&nbsp;</td>
 968         </tr>
 969         <tr>
 970           <td></td>
 971           <td>)</td>
 972           <td></td><td></td><td></td>
 973         </tr>
 974       </table>
 975 </div>
 976 <div class="memdoc">
 977
 978 <p>
 979 Free a keyblock's content, also zero out the content of the keyblock.<p>
 980 <dl compact><dt><b>Parameters:</b></dt><dd>
 981   <table border="0" cellspacing="2" cellpadding="0">
 982     <tr><td valign="top"></td><td valign="top"><em>context</em>&nbsp;</td><td>a Kerberos 5 context </td></tr>
 983     <tr><td valign="top"></td><td valign="top"><em>keyblock</em>&nbsp;</td><td>keyblock content to free, NULL is valid argument </td></tr>
 984   </table>
 985 </dl>
 986
 987 </div>
 988 </div><p>
 989 <a class="anchor" name="g147a581626c11fafee04bfda036781ea"></a><!-- doxytag: member="generate_subkey.c::krb5_generate_subkey_extended" ref="g147a581626c11fafee04bfda036781ea" args="(krb5_context context, const krb5_keyblock *key, krb5_enctype etype, krb5_keyblock **subkey)" -->
 990 <div class="memitem">
 991 <div class="memproto">
 992       <table class="memname">
 993         <tr>
 994           <td class="memname">KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_generate_subkey_extended           </td>
 995           <td>(</td>
 996           <td class="paramtype">krb5_context&nbsp;</td>
 997           <td class="paramname"> <em>context</em>, </td>
 998         </tr>
 999         <tr>
1000           <td class="paramkey"></td>
1001           <td></td>
1002           <td class="paramtype">const krb5_keyblock *&nbsp;</td>
1003           <td class="paramname"> <em>key</em>, </td>
1004         </tr>
1005         <tr>
1006           <td class="paramkey"></td>
1007           <td></td>
1008           <td class="paramtype">krb5_enctype&nbsp;</td>
1009           <td class="paramname"> <em>etype</em>, </td>
1010         </tr>
1011         <tr>
1012           <td class="paramkey"></td>
1013           <td></td>
1014           <td class="paramtype">krb5_keyblock **&nbsp;</td>
1015           <td class="paramname"> <em>subkey</em></td><td>&nbsp;</td>
1016         </tr>
1017         <tr>
1018           <td></td>
1019           <td>)</td>
1020           <td></td><td></td><td></td>
1021         </tr>
1022       </table>
1023 </div>
1024 <div class="memdoc">
1025
1026 <p>
1027 Generate subkey, from keyblock<p>
1028 <dl compact><dt><b>Parameters:</b></dt><dd>
1029   <table border="0" cellspacing="2" cellpadding="0">
1030     <tr><td valign="top"></td><td valign="top"><em>context</em>&nbsp;</td><td>kerberos context </td></tr>
1031     <tr><td valign="top"></td><td valign="top"><em>key</em>&nbsp;</td><td>session key </td></tr>
1032     <tr><td valign="top"></td><td valign="top"><em>etype</em>&nbsp;</td><td>encryption type of subkey, if ETYPE_NULL, use key's enctype </td></tr>
1033     <tr><td valign="top"></td><td valign="top"><em>subkey</em>&nbsp;</td><td>returned new, free with <a class="el" href="group__krb5__crypto.html#g2e434abf56e7d7852358e11cdab0bb33">krb5_free_keyblock()</a>.</td></tr>
1034   </table>
1035 </dl>
1036 <dl class="return" compact><dt><b>Returns:</b></dt><dd>0 on success or a Kerberos 5 error code </dd></dl>
1037
1038 </div>
1039 </div><p>
1040 <a class="anchor" name="ga2caa584d5a6f0bbba3e1bae7255be5c"></a><!-- doxytag: member="keyblock.c::krb5_keyblock_get_enctype" ref="ga2caa584d5a6f0bbba3e1bae7255be5c" args="(const krb5_keyblock *block)" -->
1041 <div class="memitem">
1042 <div class="memproto">
1043       <table class="memname">
1044         <tr>
1045           <td class="memname">KRB5_LIB_FUNCTION krb5_enctype KRB5_LIB_CALL krb5_keyblock_get_enctype           </td>
1046           <td>(</td>
1047           <td class="paramtype">const krb5_keyblock *&nbsp;</td>
1048           <td class="paramname"> <em>block</em>          </td>
1049           <td>&nbsp;)&nbsp;</td>
1050           <td></td>
1051         </tr>
1052       </table>
1053 </div>
1054 <div class="memdoc">
1055
1056 <p>
1057 Get encryption type of a keyblock.
1058 </div>
1059 </div><p>
1060 <a class="anchor" name="g690c42630f2f6b9f7ce96cc75441803d"></a><!-- doxytag: member="keyblock.c::krb5_keyblock_init" ref="g690c42630f2f6b9f7ce96cc75441803d" args="(krb5_context context, krb5_enctype type, const void *data, size_t size, krb5_keyblock *key)" -->
1061 <div class="memitem">
1062 <div class="memproto">
1063       <table class="memname">
1064         <tr>
1065           <td class="memname">KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_keyblock_init           </td>
1066           <td>(</td>
1067           <td class="paramtype">krb5_context&nbsp;</td>
1068           <td class="paramname"> <em>context</em>, </td>
1069         </tr>
1070         <tr>
1071           <td class="paramkey"></td>
1072           <td></td>
1073           <td class="paramtype">krb5_enctype&nbsp;</td>
1074           <td class="paramname"> <em>type</em>, </td>
1075         </tr>
1076         <tr>
1077           <td class="paramkey"></td>
1078           <td></td>
1079           <td class="paramtype">const void *&nbsp;</td>
1080           <td class="paramname"> <em>data</em>, </td>
1081         </tr>
1082         <tr>
1083           <td class="paramkey"></td>
1084           <td></td>
1085           <td class="paramtype">size_t&nbsp;</td>
1086           <td class="paramname"> <em>size</em>, </td>
1087         </tr>
1088         <tr>
1089           <td class="paramkey"></td>
1090           <td></td>
1091           <td class="paramtype">krb5_keyblock *&nbsp;</td>
1092           <td class="paramname"> <em>key</em></td><td>&nbsp;</td>
1093         </tr>
1094         <tr>
1095           <td></td>
1096           <td>)</td>
1097           <td></td><td></td><td></td>
1098         </tr>
1099       </table>
1100 </div>
1101 <div class="memdoc">
1102
1103 <p>
1104 Fill in `key' with key data of type `enctype' from `data' of length `size'. Key should be freed using <a class="el" href="group__krb5__crypto.html#g66d5d8067358373fdab46987503f2398">krb5_free_keyblock_contents()</a>.<p>
1105 <dl class="return" compact><dt><b>Returns:</b></dt><dd>0 on success or a Kerberos 5 error code </dd></dl>
1106
1107 </div>
1108 </div><p>
1109 <a class="anchor" name="g33e1cb14ccab45ce46d51064caf07c10"></a><!-- doxytag: member="keyblock.c::krb5_keyblock_zero" ref="g33e1cb14ccab45ce46d51064caf07c10" args="(krb5_keyblock *keyblock)" -->
1110 <div class="memitem">
1111 <div class="memproto">
1112       <table class="memname">
1113         <tr>
1114           <td class="memname">KRB5_LIB_FUNCTION void KRB5_LIB_CALL krb5_keyblock_zero           </td>
1115           <td>(</td>
1116           <td class="paramtype">krb5_keyblock *&nbsp;</td>
1117           <td class="paramname"> <em>keyblock</em>          </td>
1118           <td>&nbsp;)&nbsp;</td>
1119           <td></td>
1120         </tr>
1121       </table>
1122 </div>
1123 <div class="memdoc">
1124
1125 <p>
1126 Zero out a keyblock<p>
1127 <dl compact><dt><b>Parameters:</b></dt><dd>
1128   <table border="0" cellspacing="2" cellpadding="0">
1129     <tr><td valign="top"></td><td valign="top"><em>keyblock</em>&nbsp;</td><td>keyblock to zero out </td></tr>
1130   </table>
1131 </dl>
1132
1133 </div>
1134 </div><p>
1135 <a class="anchor" name="ga5f3001696f59f7d47539efe82b1c4cd"></a><!-- doxytag: member="crypto.c::krb5_random_to_key" ref="ga5f3001696f59f7d47539efe82b1c4cd" args="(krb5_context context, krb5_enctype type, const void *data, size_t size, krb5_keyblock *key)" -->
1136 <div class="memitem">
1137 <div class="memproto">
1138       <table class="memname">
1139         <tr>
1140           <td class="memname">KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_random_to_key           </td>
1141           <td>(</td>
1142           <td class="paramtype">krb5_context&nbsp;</td>
1143           <td class="paramname"> <em>context</em>, </td>
1144         </tr>
1145         <tr>
1146           <td class="paramkey"></td>
1147           <td></td>
1148           <td class="paramtype">krb5_enctype&nbsp;</td>
1149           <td class="paramname"> <em>type</em>, </td>
1150         </tr>
1151         <tr>
1152           <td class="paramkey"></td>
1153           <td></td>
1154           <td class="paramtype">const void *&nbsp;</td>
1155           <td class="paramname"> <em>data</em>, </td>
1156         </tr>
1157         <tr>
1158           <td class="paramkey"></td>
1159           <td></td>
1160           <td class="paramtype">size_t&nbsp;</td>
1161           <td class="paramname"> <em>size</em>, </td>
1162         </tr>
1163         <tr>
1164           <td class="paramkey"></td>
1165           <td></td>
1166           <td class="paramtype">krb5_keyblock *&nbsp;</td>
1167           <td class="paramname"> <em>key</em></td><td>&nbsp;</td>
1168         </tr>
1169         <tr>
1170           <td></td>
1171           <td>)</td>
1172           <td></td><td></td><td></td>
1173         </tr>
1174       </table>
1175 </div>
1176 <div class="memdoc">
1177
1178 <p>
1179 Converts the random bytestring to a protocol key according to Kerberos crypto frame work. It may be assumed that all the bits of the input string are equally random, even though the entropy present in the random source may be limited.<p>
1180 <dl compact><dt><b>Parameters:</b></dt><dd>
1181   <table border="0" cellspacing="2" cellpadding="0">
1182     <tr><td valign="top"></td><td valign="top"><em>context</em>&nbsp;</td><td>Kerberos 5 context </td></tr>
1183     <tr><td valign="top"></td><td valign="top"><em>type</em>&nbsp;</td><td>the enctype resulting key will be of </td></tr>
1184     <tr><td valign="top"></td><td valign="top"><em>data</em>&nbsp;</td><td>input random data to convert to a key </td></tr>
1185     <tr><td valign="top"></td><td valign="top"><em>size</em>&nbsp;</td><td>size of input random data, at least krb5_enctype_keysize() long </td></tr>
1186     <tr><td valign="top"></td><td valign="top"><em>key</em>&nbsp;</td><td>key, output key, free with <a class="el" href="group__krb5__crypto.html#g66d5d8067358373fdab46987503f2398">krb5_free_keyblock_contents()</a></td></tr>
1187   </table>
1188 </dl>
1189 <dl class="return" compact><dt><b>Returns:</b></dt><dd>Return an error code or 0. </dd></dl>
1190
1191 </div>
1192 </div><p>
1193 <a class="anchor" name="g1789d8188287750394c3b8366a90bd13"></a><!-- doxytag: member="crypto.c::krb5_verify_checksum_iov" ref="g1789d8188287750394c3b8366a90bd13" args="(krb5_context context, krb5_crypto crypto, unsigned usage, krb5_crypto_iov *data, unsigned int num_data, krb5_cksumtype *type)" -->
1194 <div class="memitem">
1195 <div class="memproto">
1196       <table class="memname">
1197         <tr>
1198           <td class="memname">KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL krb5_verify_checksum_iov           </td>
1199           <td>(</td>
1200           <td class="paramtype">krb5_context&nbsp;</td>
1201           <td class="paramname"> <em>context</em>, </td>
1202         </tr>
1203         <tr>
1204           <td class="paramkey"></td>
1205           <td></td>
1206           <td class="paramtype">krb5_crypto&nbsp;</td>
1207           <td class="paramname"> <em>crypto</em>, </td>
1208         </tr>
1209         <tr>
1210           <td class="paramkey"></td>
1211           <td></td>
1212           <td class="paramtype">unsigned&nbsp;</td>
1213           <td class="paramname"> <em>usage</em>, </td>
1214         </tr>
1215         <tr>
1216           <td class="paramkey"></td>
1217           <td></td>
1218           <td class="paramtype"><a class="el" href="structkrb5__crypto__iov.html">krb5_crypto_iov</a> *&nbsp;</td>
1219           <td class="paramname"> <em>data</em>, </td>
1220         </tr>
1221         <tr>
1222           <td class="paramkey"></td>
1223           <td></td>
1224           <td class="paramtype">unsigned int&nbsp;</td>
1225           <td class="paramname"> <em>num_data</em>, </td>
1226         </tr>
1227         <tr>
1228           <td class="paramkey"></td>
1229           <td></td>
1230           <td class="paramtype">krb5_cksumtype *&nbsp;</td>
1231           <td class="paramname"> <em>type</em></td><td>&nbsp;</td>
1232         </tr>
1233         <tr>
1234           <td></td>
1235           <td>)</td>
1236           <td></td><td></td><td></td>
1237         </tr>
1238       </table>
1239 </div>
1240 <div class="memdoc">
1241
1242 <p>
1243 Verify a Kerberos message checksum.<p>
1244 <dl compact><dt><b>Parameters:</b></dt><dd>
1245   <table border="0" cellspacing="2" cellpadding="0">
1246     <tr><td valign="top"></td><td valign="top"><em>context</em>&nbsp;</td><td>Kerberos context </td></tr>
1247     <tr><td valign="top"></td><td valign="top"><em>crypto</em>&nbsp;</td><td>Kerberos crypto context </td></tr>
1248     <tr><td valign="top"></td><td valign="top"><em>usage</em>&nbsp;</td><td>Key usage for this buffer </td></tr>
1249     <tr><td valign="top"></td><td valign="top"><em>data</em>&nbsp;</td><td>array of buffers to process </td></tr>
1250     <tr><td valign="top"></td><td valign="top"><em>num_data</em>&nbsp;</td><td>length of array </td></tr>
1251     <tr><td valign="top"></td><td valign="top"><em>type</em>&nbsp;</td><td>return checksum type if not NULL</td></tr>
1252   </table>
1253 </dl>
1254 <dl class="return" compact><dt><b>Returns:</b></dt><dd>Return an error code or 0. </dd></dl>
1255
1256 </div>
1257 </div><p>
1258 </div>
1259 <hr size="1"><address style="text-align: right;"><small>
1260 Generated on Wed Jan 11 14:07:48 2012 for HeimdalKerberos5library by&nbsp;<a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6</small></address>
1261 </body>
1262 </html>