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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"> * ** **************************************************************************</span>
<a name="l00003"></a>00003 <span class="comment"> * ** md5.h -- Header file for implementation of MD5 Message Digest Algorithm **</span>
<a name="l00004"></a>00004 <span class="comment"> * ** Updated: 2/13/90 by Ronald L. Rivest **</span>
<a name="l00005"></a>00005 <span class="comment"> * ** (C) 1990 RSA Data Security, Inc. **</span>
<a name="l00006"></a>00006 <span class="comment"> * ** **************************************************************************</span>
<a name="l00007"></a>00007 <span class="comment"> */</span>
<a name="l00008"></a>00008
<a name="l00009"></a>00009 <span class="preprocessor">#ifndef MD5_H</span>
<a name="l00010"></a>00010 <span class="preprocessor"></span><span class="preprocessor">#define MD5_H</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span>
<a name="l00012"></a>00012 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00013"></a>00013 <span class="preprocessor"></span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {
<a name="l00014"></a>00014 <span class="preprocessor">#endif</span>
<a name="l00015"></a>00015 <span class="preprocessor"></span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="comment">/*</span>
<a name="l00018"></a>00018 <span class="comment"> * MDstruct is the data structure for a message digest computation.</span>
<a name="l00019"></a>00019 <span class="comment"> */</span>
<a name="l00020"></a><a class="code" href="structMDstruct.html">00020</a> <span class="keyword">typedef</span> <span class="keyword">struct </span>{
<a name="l00021"></a>00021 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> buffer[4]; <span class="comment">/* Holds 4-word result of MD computation */</span>
<a name="l00022"></a>00022 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> count[8]; <span class="comment">/* Number of bits processed so far */</span>
<a name="l00023"></a>00023 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> done; <span class="comment">/* Nonzero means MD computation finished */</span>
<a name="l00024"></a>00024 } <a class="code" href="structMDstruct.html">MDstruct</a> , *<a class="code" href="structMDstruct.html">MDptr</a>;
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="comment">/*</span>
<a name="l00027"></a>00027 <span class="comment"> * MDbegin(MD)</span>
<a name="l00028"></a>00028 <span class="comment"> * ** Input: MD -- an MDptr</span>
<a name="l00029"></a>00029 <span class="comment"> * ** Initialize the MDstruct prepatory to doing a message digest computation.</span>
<a name="l00030"></a>00030 <span class="comment"> */</span>
<a name="l00031"></a>00031 <span class="keyword">extern</span> <span class="keywordtype">void</span> MDbegin(MDptr);
<a name="l00032"></a>00032
<a name="l00033"></a>00033 <span class="comment">/*</span>
<a name="l00034"></a>00034 <span class="comment"> * MDupdate(MD,X,count)</span>
<a name="l00035"></a>00035 <span class="comment"> * ** Input: MD -- an MDptr</span>
<a name="l00036"></a>00036 <span class="comment"> * ** X -- a pointer to an array of unsigned characters.</span>
<a name="l00037"></a>00037 <span class="comment"> * ** count -- the number of bits of X to use (an unsigned int).</span>
<a name="l00038"></a>00038 <span class="comment"> * ** Updates MD using the first ``count'' bits of X.</span>
<a name="l00039"></a>00039 <span class="comment"> * ** The array pointed to by X is not modified.</span>
<a name="l00040"></a>00040 <span class="comment"> * ** If count is not a multiple of 8, MDupdate uses high bits of last byte.</span>
<a name="l00041"></a>00041 <span class="comment"> * ** This is the basic input routine for a user.</span>
<a name="l00042"></a>00042 <span class="comment"> * ** The routine terminates the MD computation when count < 512, so</span>
<a name="l00043"></a>00043 <span class="comment"> * ** every MD computation should end with one call to MDupdate with a</span>
<a name="l00044"></a>00044 <span class="comment"> * ** count less than 512. Zero is OK for a count.</span>
<a name="l00045"></a>00045 <span class="comment"> */</span>
<a name="l00046"></a>00046 <span class="keyword">extern</span> <span class="keywordtype">int</span> MDupdate(MDptr, <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> *, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>);
<a name="l00047"></a>00047
<a name="l00048"></a>00048 <span class="comment">/*</span>
<a name="l00049"></a>00049 <span class="comment"> * MDprint(MD)</span>
<a name="l00050"></a>00050 <span class="comment"> * ** Input: MD -- an MDptr</span>
<a name="l00051"></a>00051 <span class="comment"> * ** Prints message digest buffer MD as 32 hexadecimal digits.</span>
<a name="l00052"></a>00052 <span class="comment"> * ** Order is from low-order byte of buffer[0] to high-order byte of buffer[3].</span>
<a name="l00053"></a>00053 <span class="comment"> * ** Each byte is printed with high-order hexadecimal digit first.</span>
<a name="l00054"></a>00054 <span class="comment"> */</span>
<a name="l00055"></a>00055 <span class="keyword">extern</span> <span class="keywordtype">void</span> MDprint(MDptr);
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="keywordtype">int</span> MDchecksum(u_char * data, <span class="keywordtype">size_t</span> len, u_char * mac,
<a name="l00058"></a>00058 <span class="keywordtype">size_t</span> maclen);
<a name="l00059"></a>00059 <span class="keywordtype">int</span> MDsign(u_char * data, <span class="keywordtype">size_t</span> len, u_char * mac,
<a name="l00060"></a>00060 <span class="keywordtype">size_t</span> maclen, u_char * secret,
<a name="l00061"></a>00061 <span class="keywordtype">size_t</span> secretlen);
<a name="l00062"></a>00062 <span class="keywordtype">void</span> MDget(<a class="code" href="structMDstruct.html">MDstruct</a> * MD, u_char * buf, <span class="keywordtype">size_t</span> buflen);
<a name="l00063"></a>00063
<a name="l00064"></a>00064 <span class="comment">/*</span>
<a name="l00065"></a>00065 <span class="comment"> * ** End of md5.h</span>
<a name="l00066"></a>00066 <span class="comment"> * ****************************(cut)****************************************</span>
<a name="l00067"></a>00067 <span class="comment"> */</span>
<a name="l00068"></a>00068 <span class="preprocessor">#ifdef __cplusplus</span>
<a name="l00069"></a>00069 <span class="preprocessor"></span>}
<a name="l00070"></a>00070 <span class="preprocessor">#endif</span>
<a name="l00071"></a>00071 <span class="preprocessor"></span><span class="preprocessor">#endif </span><span class="comment">/* MD5_H */</span>
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