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<h1>cipher.cpp</h1><p>Example of cipher code.</p>
<div class="fragment"><pre class="fragment"><span class="comment">// Copyright (C) 2006-2010 David Sugar, Tycho Softworks.</span>
<span class="comment">//</span>
<span class="comment">// This file is part of GNU uCommon C++.</span>
<span class="comment">//</span>
<span class="comment">// GNU uCommon C++ is free software: you can redistribute it and/or modify</span>
<span class="comment">// it under the terms of the GNU Lesser General Public License as published </span>
<span class="comment">// by the Free Software Foundation, either version 3 of the License, or</span>
<span class="comment">// (at your option) any later version.</span>
<span class="comment">//</span>
<span class="comment">// GNU uCommon C++ is distributed in the hope that it will be useful,</span>
<span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<span class="comment">// GNU Lesser General Public License for more details.</span>
<span class="comment">//</span>
<span class="comment">// You should have received a copy of the GNU Lesser General Public License</span>
<span class="comment">// along with GNU uCommon C++. If not, see <http://www.gnu.org/licenses/>.</span>
<span class="preprocessor">#ifndef DEBUG</span>
<span class="preprocessor"></span><span class="preprocessor">#define DEBUG</span>
<span class="preprocessor"></span><span class="preprocessor">#endif</span>
<span class="preprocessor"></span>
<span class="preprocessor">#include <config.h></span>
<span class="preprocessor">#include <<a class="code" href="a00203.html" title="This library holds basic crytographic functions and secure socket support for use...">ucommon/secure.h</a>></span>
<span class="preprocessor">#include <stdio.h></span>
<span class="keyword">using namespace </span>UCOMMON_NAMESPACE;
<span class="keyword">using namespace </span>std;
<span class="preprocessor">#define STR "this is a test of some text we wish to post"</span>
<span class="preprocessor"></span>
<span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv)
{
<span class="keywordflow">if</span>(!<a name="a0"></a><a class="code" href="a00201.html#a5fc126f9a4406cb2d0d054488cf00809" title="Template function to initialize memory by invoking default constructor.">secure::init</a>())
<span class="keywordflow">return</span> 0;
<a name="a1"></a><a class="code" href="a00214.html#a815700a8a903493ac3a31a3fc811fe79" title="Convenience type for generic cipher key.">skey_t</a> mykey(<span class="stringliteral">"aes256"</span>, <span class="stringliteral">"sha"</span>, <span class="stringliteral">"testing"</span>);
<a name="a2"></a><a class="code" href="a00214.html#af39b9b316751a7a69f7a3706673b8bac" title="Convenience type for generic ciphers.">cipher_t</a> enc, dec;
<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> ebuf[256], dbuf[256];
memset(dbuf, 0, <span class="keyword">sizeof</span>(dbuf));
enc.set(&mykey, Cipher::ENCRYPT, ebuf);
dec.set(&mykey, Cipher::DECRYPT, dbuf);
<span class="keywordtype">size_t</span> total = enc.puts(STR);
assert(!<a name="a3"></a><a class="code" href="a00214.html#ae8329c8eceb3e760d48253f1c3386623" title="Compare two socket addresses to see if equal.">eq</a>(STR, (<span class="keywordtype">char</span> *)ebuf, strlen(STR)));
assert(total == 48);
dec.put(ebuf, total);
dec.flush();
assert(<a class="code" href="a00214.html#ae8329c8eceb3e760d48253f1c3386623" title="Compare two socket addresses to see if equal.">eq</a>((<span class="keywordtype">char</span> *)dbuf, STR));
<span class="keywordflow">return</span> 0;
}
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