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 <span id="projectnumber">5.4.1</span>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * keytools.h</span>
<a name="l00003"></a>00003 <span class="comment"> */</span>
<a name="l00004"></a>00004
<a name="l00005"></a>00005 <span class="preprocessor">#ifndef _KEYTOOLS_H</span>
<a name="l00006"></a>00006 <span class="preprocessor"></span><span class="preprocessor">#define _KEYTOOLS_H</span>
<a name="l00007"></a>00007 <span class="preprocessor"></span>
<a name="l00008"></a>00008 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00009"></a>00009 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {
<a name="l00010"></a>00010 <span class="preprocessor">#endif</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span>
<a name="l00012"></a>00012
<a name="l00013"></a>00013 <span class="preprocessor">#define USM_LENGTH_EXPANDED_PASSPHRASE (1024 * 1024) </span><span class="comment">/* 1Meg. */</span>
<a name="l00014"></a>00014
<a name="l00015"></a>00015 <span class="preprocessor">#define USM_LENGTH_KU_HASHBLOCK 64 </span><span class="comment">/* In bytes. */</span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="preprocessor">#define USM_LENGTH_P_MIN 8 </span><span class="comment">/* In characters. */</span>
<a name="l00018"></a>00018 <span class="comment">/*</span>
<a name="l00019"></a>00019 <span class="comment"> * Recommended practice given in <draft-ietf-snmpv3-usm-v2-02.txt>,</span>
<a name="l00020"></a>00020 <span class="comment"> * * Section 11.2 "Defining Users". Move into cmdline app argument</span>
<a name="l00021"></a>00021 <span class="comment"> * * parsing, and out of the internal routine? XXX</span>
<a name="l00022"></a>00022 <span class="comment"> */</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="comment">/*</span>
<a name="l00025"></a>00025 <span class="comment"> * Prototypes.h</span>
<a name="l00026"></a>00026 <span class="comment"> */</span>
<a name="l00027"></a>00027 <span class="keywordtype">int</span> generate_Ku(<span class="keyword">const</span> oid * hashtype, u_int hashtype_len,
<a name="l00028"></a>00028 u_char * P, <span class="keywordtype">size_t</span> pplen,
<a name="l00029"></a>00029 u_char * Ku, <span class="keywordtype">size_t</span> * kulen);
<a name="l00030"></a>00030
<a name="l00031"></a>00031 <span class="keywordtype">int</span> generate_kul(<span class="keyword">const</span> oid * hashtype, u_int hashtype_len,
<a name="l00032"></a>00032 u_char * engineID, <span class="keywordtype">size_t</span> engineID_len,
<a name="l00033"></a>00033 u_char * Ku, <span class="keywordtype">size_t</span> ku_len,
<a name="l00034"></a>00034 u_char * Kul, <span class="keywordtype">size_t</span> * kul_len);
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="keywordtype">int</span> encode_keychange(<span class="keyword">const</span> oid * hashtype,
<a name="l00037"></a>00037 u_int hashtype_len, u_char * oldkey,
<a name="l00038"></a>00038 <span class="keywordtype">size_t</span> oldkey_len, u_char * newkey,
<a name="l00039"></a>00039 <span class="keywordtype">size_t</span> newkey_len, u_char * kcstring,
<a name="l00040"></a>00040 <span class="keywordtype">size_t</span> * kcstring_len);
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="keywordtype">int</span> decode_keychange(<span class="keyword">const</span> oid * hashtype,
<a name="l00043"></a>00043 u_int hashtype_len, u_char * oldkey,
<a name="l00044"></a>00044 <span class="keywordtype">size_t</span> oldkey_len, u_char * kcstring,
<a name="l00045"></a>00045 <span class="keywordtype">size_t</span> kcstring_len, u_char * newkey,
<a name="l00046"></a>00046 <span class="keywordtype">size_t</span> * newkey_len);
<a name="l00047"></a>00047
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="comment">/*</span>
<a name="l00050"></a>00050 <span class="comment"> * All functions devolve to the following block if we can't do cryptography</span>
<a name="l00051"></a>00051 <span class="comment"> */</span>
<a name="l00052"></a>00052 <span class="preprocessor">#define _KEYTOOLS_NOT_AVAILABLE \</span>
<a name="l00053"></a>00053 <span class="preprocessor">{ \</span>
<a name="l00054"></a>00054 <span class="preprocessor"> return SNMPERR_KT_NOT_AVAILABLE; \</span>
<a name="l00055"></a>00055 <span class="preprocessor">}</span>
<a name="l00056"></a>00056 <span class="preprocessor"></span>
<a name="l00057"></a>00057 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00058"></a>00058 <span class="preprocessor"></span>}
<a name="l00059"></a>00059 <span class="preprocessor">#endif</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* _KEYTOOLS_H */</span>
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