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<hr><h1>cipherfil.cpp</h1><div class="fragment"><pre>00001 <font class="comment">/******************************************************************************</font>
00002 <font class="comment"> *</font>
00003 <font class="comment"> * cipherfil - SWFilter decendant to decipher a module</font>
00004 <font class="comment"> */</font>
00005
00006
00007 <font class="preprocessor">#include <stdlib.h></font>
00008 <font class="preprocessor">#include <string.h></font>
00009 <font class="preprocessor">#include <cipherfil.h></font>
00010
00011
00012 CipherFilter::CipherFilter(<font class="keyword">const</font> <font class="keywordtype">char</font> *key) {
00013 cipher = <font class="keyword">new</font> SWCipher((<font class="keywordtype">unsigned</font> <font class="keywordtype">char</font> *)key);
00014 }
00015
00016
00017 CipherFilter::~CipherFilter() {
00018 <font class="keyword">delete</font> cipher;
00019 }
00020
00021
00022 SWCipher *CipherFilter::getCipher() {
00023 <font class="keywordflow">return</font> cipher;
00024 }
00025
00026
00027 <font class="keywordtype">char</font> CipherFilter::ProcessText(<font class="keywordtype">char</font> *text, <font class="keywordtype">int</font> maxlen, <font class="keyword">const</font> <a class="code" href="class_s_w_key.html">SWKey</a> *key, <font class="keyword">const</font> <a class="code" href="class_s_w_module.html">SWModule</a> *module) {
00028 <font class="keywordtype">unsigned</font> <font class="keywordtype">int</font> len;
00029 <font class="comment">// len = strlen(text);</font>
00030 len = maxlen;
00031 <font class="keywordflow">if</font> (len > 0) {
00032 cipher->cipherBuf(&len, text);
00033 strncpy(text, cipher->Buf(), (len < (<font class="keywordtype">unsigned</font> <font class="keywordtype">int</font>)maxlen) ? len : maxlen);
00034 }
00035 text[maxlen] = 0;
00036 text[maxlen+1] = 0;
00037 <font class="keywordflow">return</font> 0;
00038 }
</pre></div><hr><address align="right"><small>Generated on Thu Jun 20 22:12:58 2002 for The Sword Project by
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