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cryptopp-doc-5.6.1-0.1.svn479.fc13.i686.rpm

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<h1>default.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef CRYPTOPP_DEFAULT_H</span>
<a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define CRYPTOPP_DEFAULT_H</span>
<a name="l00003"></a>00003 <span class="preprocessor"></span>
<a name="l00004"></a>00004 <span class="preprocessor">#include &quot;sha.h&quot;</span>
<a name="l00005"></a>00005 <span class="preprocessor">#include &quot;hmac.h&quot;</span>
<a name="l00006"></a>00006 <span class="preprocessor">#include &quot;<a class="code" href="des_8h.html">des.h</a>&quot;</span>
<a name="l00007"></a>00007 <span class="preprocessor">#include &quot;filters.h&quot;</span>
<a name="l00008"></a>00008 <span class="preprocessor">#include &quot;<a class="code" href="modes_8h.html">modes.h</a>&quot;</span>
<a name="l00009"></a>00009 
<a name="l00010"></a>00010 NAMESPACE_BEGIN(CryptoPP)
<a name="l00011"></a>00011 
<a name="l00012"></a>00012 typedef <a class="code" href="class_d_e_s___e_d_e2.html" title="DES-EDE2">DES_EDE2</a> <a class="code" href="class_d_e_s___e_d_e2.html" title="DES-EDE2">Default_BlockCipher</a>;
<a name="l00013"></a>00013 typedef <a class="code" href="class_s_h_a1.html" title="SHA-1">SHA</a> <a class="code" href="class_s_h_a1.html" title="SHA-1">DefaultHashModule</a>;
<a name="l00014"></a>00014 typedef <a class="code" href="class_h_m_a_c.html" title="HMAC">HMAC</a>&lt;DefaultHashModule&gt; <a class="code" href="class_h_m_a_c.html" title="HMAC">DefaultMAC</a>;
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment">//! Password-Based Encryptor using DES-EDE2</span>
<a name="l00017"></a><a class="code" href="class_default_encryptor.html">00017</a> <span class="comment"></span>class <a class="code" href="class_default_encryptor.html" title="Password-Based Encryptor using DES-EDE2.">DefaultEncryptor</a> : public <a class="code" href="class_proxy_filter.html" title="Base class for Filter classes that are proxies for a chain of other filters.">ProxyFilter</a>
<a name="l00018"></a>00018 {
<a name="l00019"></a>00019 <span class="keyword">public</span>:
<a name="l00020"></a>00020         <a class="code" href="class_default_encryptor.html" title="Password-Based Encryptor using DES-EDE2.">DefaultEncryptor</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *passphrase, <a class="code" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> *attachment = NULL);
<a name="l00021"></a>00021         <a class="code" href="class_default_encryptor.html" title="Password-Based Encryptor using DES-EDE2.">DefaultEncryptor</a>(<span class="keyword">const</span> byte *passphrase, <span class="keywordtype">size_t</span> passphraseLength, <a class="code" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> *attachment = NULL);
<a name="l00022"></a>00022 
<a name="l00023"></a>00023 <span class="keyword">protected</span>:
<a name="l00024"></a>00024         <span class="keywordtype">void</span> FirstPut(<span class="keyword">const</span> byte *);
<a name="l00025"></a>00025         <span class="keywordtype">void</span> LastPut(<span class="keyword">const</span> byte *inString, <span class="keywordtype">size_t</span> length);
<a name="l00026"></a>00026 
<a name="l00027"></a>00027 <span class="keyword">private</span>:
<a name="l00028"></a>00028         <a class="code" href="class_sec_block.html">SecByteBlock</a> m_passphrase;
<a name="l00029"></a>00029         <a class="code" href="struct_c_b_c___mode.html" title="CBC mode.">CBC_Mode&lt;Default_BlockCipher&gt;::Encryption</a> m_cipher;
<a name="l00030"></a>00030 };
<a name="l00031"></a>00031 <span class="comment"></span>
<a name="l00032"></a>00032 <span class="comment">//! Password-Based Decryptor using DES-EDE2</span>
<a name="l00033"></a><a class="code" href="class_default_decryptor.html">00033</a> <span class="comment"></span><span class="keyword">class </span><a class="code" href="class_default_decryptor.html" title="Password-Based Decryptor using DES-EDE2.">DefaultDecryptor</a> : <span class="keyword">public</span> <a class="code" href="class_proxy_filter.html" title="Base class for Filter classes that are proxies for a chain of other filters.">ProxyFilter</a>
<a name="l00034"></a>00034 {
<a name="l00035"></a>00035 <span class="keyword">public</span>:
<a name="l00036"></a>00036         <a class="code" href="class_default_decryptor.html" title="Password-Based Decryptor using DES-EDE2.">DefaultDecryptor</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *passphrase, <a class="code" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> *attachment = NULL, <span class="keywordtype">bool</span> throwException=<span class="keyword">true</span>);
<a name="l00037"></a>00037         <a class="code" href="class_default_decryptor.html" title="Password-Based Decryptor using DES-EDE2.">DefaultDecryptor</a>(<span class="keyword">const</span> byte *passphrase, <span class="keywordtype">size_t</span> passphraseLength, <a class="code" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> *attachment = NULL, <span class="keywordtype">bool</span> throwException=<span class="keyword">true</span>);
<a name="l00038"></a>00038 
<a name="l00039"></a><a class="code" href="class_default_decryptor_1_1_err.html">00039</a>         <span class="keyword">class </span><a class="code" href="class_default_decryptor_1_1_err.html">Err</a> : <span class="keyword">public</span> <a class="code" href="class_exception.html" title="base class for all exceptions thrown by Crypto++">Exception</a>
<a name="l00040"></a>00040         {
<a name="l00041"></a>00041         <span class="keyword">public</span>:
<a name="l00042"></a>00042                 <a class="code" href="class_default_decryptor_1_1_err.html">Err</a>(<span class="keyword">const</span> std::string &amp;s) 
<a name="l00043"></a>00043                         : <a class="code" href="class_exception.html" title="base class for all exceptions thrown by Crypto++">Exception</a>(<a class="code" href="class_exception.html#a8e53909d979479380e0274807c074c0aa77a639a803cf53052f9c76a0354247e6" title="data integerity check (such as CRC or MAC) failed">DATA_INTEGRITY_CHECK_FAILED</a>, s) {}
<a name="l00044"></a>00044         };
<a name="l00045"></a><a class="code" href="class_default_decryptor_1_1_key_bad_err.html">00045</a>         <span class="keyword">class </span><a class="code" href="class_default_decryptor_1_1_key_bad_err.html">KeyBadErr</a> : <span class="keyword">public</span> <a class="code" href="class_default_decryptor_1_1_err.html">Err</a> {<span class="keyword">public</span>: <a class="code" href="class_default_decryptor_1_1_key_bad_err.html">KeyBadErr</a>() : <a class="code" href="class_default_decryptor_1_1_err.html">Err</a>(<span class="stringliteral">&quot;DefaultDecryptor: cannot decrypt message with this passphrase&quot;</span>) {}};
<a name="l00046"></a>00046 
<a name="l00047"></a>00047         <span class="keyword">enum</span> State {WAITING_FOR_KEYCHECK, KEY_GOOD, KEY_BAD};
<a name="l00048"></a>00048         State CurrentState()<span class="keyword"> const </span>{<span class="keywordflow">return</span> m_state;}
<a name="l00049"></a>00049 
<a name="l00050"></a>00050 <span class="keyword">protected</span>:
<a name="l00051"></a>00051         <span class="keywordtype">void</span> FirstPut(<span class="keyword">const</span> byte *inString);
<a name="l00052"></a>00052         <span class="keywordtype">void</span> LastPut(<span class="keyword">const</span> byte *inString, <span class="keywordtype">size_t</span> length);
<a name="l00053"></a>00053 
<a name="l00054"></a>00054         State m_state;
<a name="l00055"></a>00055 
<a name="l00056"></a>00056 <span class="keyword">private</span>:
<a name="l00057"></a>00057         <span class="keywordtype">void</span> CheckKey(<span class="keyword">const</span> byte *salt, <span class="keyword">const</span> byte *keyCheck);
<a name="l00058"></a>00058 
<a name="l00059"></a>00059         <a class="code" href="class_sec_block.html" title="a block of memory allocated using A">SecByteBlock</a> m_passphrase;
<a name="l00060"></a>00060         <a class="code" href="struct_c_b_c___mode.html" title="CBC mode.">CBC_Mode&lt;Default_BlockCipher&gt;::Decryption</a> m_cipher;
<a name="l00061"></a>00061         <a class="code" href="classmember__ptr.html">member_ptr&lt;FilterWithBufferedInput&gt;</a> m_decryptor;
<a name="l00062"></a>00062         <span class="keywordtype">bool</span> m_throwException;
<a name="l00063"></a>00063 };
<a name="l00064"></a>00064 <span class="comment"></span>
<a name="l00065"></a>00065 <span class="comment">//! Password-Based Encryptor using DES-EDE2 and HMAC/SHA-1</span>
<a name="l00066"></a><a class="code" href="class_default_encryptor_with_m_a_c.html">00066</a> <span class="comment"></span><span class="keyword">class </span><a class="code" href="class_default_encryptor_with_m_a_c.html" title="Password-Based Encryptor using DES-EDE2 and HMAC/SHA-1.">DefaultEncryptorWithMAC</a> : <span class="keyword">public</span> <a class="code" href="class_proxy_filter.html" title="Base class for Filter classes that are proxies for a chain of other filters.">ProxyFilter</a>
<a name="l00067"></a>00067 {
<a name="l00068"></a>00068 <span class="keyword">public</span>:
<a name="l00069"></a>00069         <a class="code" href="class_default_encryptor_with_m_a_c.html" title="Password-Based Encryptor using DES-EDE2 and HMAC/SHA-1.">DefaultEncryptorWithMAC</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *passphrase, <a class="code" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> *attachment = NULL);
<a name="l00070"></a>00070         <a class="code" href="class_default_encryptor_with_m_a_c.html" title="Password-Based Encryptor using DES-EDE2 and HMAC/SHA-1.">DefaultEncryptorWithMAC</a>(<span class="keyword">const</span> byte *passphrase, <span class="keywordtype">size_t</span> passphraseLength, <a class="code" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> *attachment = NULL);
<a name="l00071"></a>00071 
<a name="l00072"></a>00072 <span class="keyword">protected</span>:
<a name="l00073"></a>00073         <span class="keywordtype">void</span> FirstPut(<span class="keyword">const</span> byte *inString) {}
<a name="l00074"></a>00074         <span class="keywordtype">void</span> LastPut(<span class="keyword">const</span> byte *inString, <span class="keywordtype">size_t</span> length);
<a name="l00075"></a>00075 
<a name="l00076"></a>00076 <span class="keyword">private</span>:
<a name="l00077"></a>00077         <a class="code" href="classmember__ptr.html">member_ptr&lt;DefaultMAC&gt;</a> m_mac;
<a name="l00078"></a>00078 };
<a name="l00079"></a>00079 <span class="comment"></span>
<a name="l00080"></a>00080 <span class="comment">//! Password-Based Decryptor using DES-EDE2 and HMAC/SHA-1</span>
<a name="l00081"></a><a class="code" href="class_default_decryptor_with_m_a_c.html">00081</a> <span class="comment"></span><span class="keyword">class </span><a class="code" href="class_default_decryptor_with_m_a_c.html" title="Password-Based Decryptor using DES-EDE2 and HMAC/SHA-1.">DefaultDecryptorWithMAC</a> : <span class="keyword">public</span> <a class="code" href="class_proxy_filter.html" title="Base class for Filter classes that are proxies for a chain of other filters.">ProxyFilter</a>
<a name="l00082"></a>00082 {
<a name="l00083"></a>00083 <span class="keyword">public</span>:
<a name="l00084"></a><a class="code" href="class_default_decryptor_with_m_a_c_1_1_m_a_c_bad_err.html">00084</a>         <span class="keyword">class </span><a class="code" href="class_default_decryptor_with_m_a_c_1_1_m_a_c_bad_err.html">MACBadErr</a> : <span class="keyword">public</span> <a class="code" href="class_default_decryptor.html" title="Password-Based Decryptor using DES-EDE2.">DefaultDecryptor</a>::Err {<span class="keyword">public</span>: <a class="code" href="class_default_decryptor_with_m_a_c_1_1_m_a_c_bad_err.html">MACBadErr</a>() : <a class="code" href="class_default_decryptor_1_1_err.html">DefaultDecryptor::Err</a>(<span class="stringliteral">&quot;DefaultDecryptorWithMAC: MAC check failed&quot;</span>) {}};
<a name="l00085"></a>00085 
<a name="l00086"></a>00086         <a class="code" href="class_default_decryptor_with_m_a_c.html" title="Password-Based Decryptor using DES-EDE2 and HMAC/SHA-1.">DefaultDecryptorWithMAC</a>(<span class="keyword">const</span> <span class="keywordtype">char</span> *passphrase, <a class="code" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> *attachment = NULL, <span class="keywordtype">bool</span> throwException=<span class="keyword">true</span>);
<a name="l00087"></a>00087         <a class="code" href="class_default_decryptor_with_m_a_c.html" title="Password-Based Decryptor using DES-EDE2 and HMAC/SHA-1.">DefaultDecryptorWithMAC</a>(<span class="keyword">const</span> byte *passphrase, <span class="keywordtype">size_t</span> passphraseLength, <a class="code" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> *attachment = NULL, <span class="keywordtype">bool</span> throwException=<span class="keyword">true</span>);
<a name="l00088"></a>00088 
<a name="l00089"></a>00089         DefaultDecryptor::State CurrentState() <span class="keyword">const</span>;
<a name="l00090"></a>00090         <span class="keywordtype">bool</span> CheckLastMAC() <span class="keyword">const</span>;
<a name="l00091"></a>00091 
<a name="l00092"></a>00092 <span class="keyword">protected</span>:
<a name="l00093"></a>00093         <span class="keywordtype">void</span> FirstPut(<span class="keyword">const</span> byte *inString) {}
<a name="l00094"></a>00094         <span class="keywordtype">void</span> LastPut(<span class="keyword">const</span> byte *inString, <span class="keywordtype">size_t</span> length);
<a name="l00095"></a>00095 
<a name="l00096"></a>00096 <span class="keyword">private</span>:
<a name="l00097"></a>00097         <a class="code" href="classmember__ptr.html">member_ptr&lt;DefaultMAC&gt;</a> m_mac;
<a name="l00098"></a>00098         <a class="code" href="class_hash_verification_filter.html" title="Filter Wrapper for HashTransformation.">HashVerifier</a> *m_hashVerifier;
<a name="l00099"></a>00099         <span class="keywordtype">bool</span> m_throwException;
<a name="l00100"></a>00100 };
<a name="l00101"></a>00101 
<a name="l00102"></a>00102 NAMESPACE_END
<a name="l00103"></a>00103 
<a name="l00104"></a>00104 <span class="preprocessor">#endif</span>
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