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著名的密码库Crypto++的文档 C++语言的杰作。程序员必备。

<a name="l00046"></a>00046 
<a name="l00047"></a><a class="code" href="class_default_decryptor.html#7961421ac0c0b58da061c793afbd8fa72220b3348856ea0c6e9c6619fc39ca38">00047</a>         <span class="keyword">enum</span> <a class="code" href="class_default_decryptor.html#7961421ac0c0b58da061c793afbd8fa7">State</a> {<a class="code" href="class_default_decryptor.html#7961421ac0c0b58da061c793afbd8fa72220b3348856ea0c6e9c6619fc39ca38">WAITING_FOR_KEYCHECK</a>, <a class="code" href="class_default_decryptor.html#7961421ac0c0b58da061c793afbd8fa7186a86c06cbe907ada52bf5445058b8b">KEY_GOOD</a>, <a class="code" href="class_default_decryptor.html#7961421ac0c0b58da061c793afbd8fa7bd88dfa019e7b11db45c6a10fc9008a6">KEY_BAD</a>};
<a name="l00048"></a><a class="code" href="class_default_decryptor.html#808c056629a8c2c5949ce900400b97f0">00048</a>         <a class="code" href="class_default_decryptor.html#7961421ac0c0b58da061c793afbd8fa7">State</a> <a class="code" href="class_default_decryptor.html#808c056629a8c2c5949ce900400b97f0">CurrentState</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="class_default_decryptor.html#9b887466b08abc8eea2c2825b9ab3d2d">m_state</a>;}
<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> <a class="code" href="class_default_decryptor.html#a1ee016673cf4154c9b20f287ba206d3">FirstPut</a>(<span class="keyword">const</span> byte *inString);
<a name="l00052"></a>00052         <span class="keywordtype">void</span> <a class="code" href="class_default_decryptor.html#3b8b9a23c00e6ccaae81b1d3e6ebb3e7">LastPut</a>(<span class="keyword">const</span> byte *inString, <span class="keywordtype">size_t</span> length);
<a name="l00053"></a>00053 
<a name="l00054"></a><a class="code" href="class_default_decryptor.html#9b887466b08abc8eea2c2825b9ab3d2d">00054</a>         <a class="code" href="class_default_decryptor.html#7961421ac0c0b58da061c793afbd8fa7">State</a> <a class="code" href="class_default_decryptor.html#9b887466b08abc8eea2c2825b9ab3d2d">m_state</a>;
<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#50ae737f4a59b5e41db94700a3db8048">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#50ae737f4a59b5e41db94700a3db8048">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><a class="code" href="class_default_encryptor_with_m_a_c.html#5f8593a43875743f30d40dee6ce91abc">00073</a>         <span class="keywordtype">void</span> <a class="code" href="class_default_encryptor_with_m_a_c.html#5f8593a43875743f30d40dee6ce91abc">FirstPut</a>(<span class="keyword">const</span> byte *inString) {}
<a name="l00074"></a>00074         <span class="keywordtype">void</span> <a class="code" href="class_default_encryptor_with_m_a_c.html#15f048b97d7a5339a6f96523b613db61">LastPut</a>(<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#5d96470efa36203663f70d622c530496">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#5d96470efa36203663f70d622c530496">MACBadErr</a>() : <a class="code" href="class_default_decryptor_1_1_err.html">DefaultDecryptor::Err</a>(<span class="stringliteral">"DefaultDecryptorWithMAC: MAC check failed"</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         <a class="code" href="class_default_decryptor.html#7961421ac0c0b58da061c793afbd8fa7">DefaultDecryptor::State</a> 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><a class="code" href="class_default_decryptor_with_m_a_c.html#cd1d748eb806de4cc27c7d8dedfabcd9">00093</a>         <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>
</pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Fri Jun 1 11:11:20 2007 for Crypto++ by&nbsp;
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