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Crypto++是一个非常强大的密码学库,主要是功能全

00208 <span class="keyword">class </span>CRYPTOPP_DLL CBC_ModeBase : <span class="keyword">public</span> BlockOrientedCipherModeBase
00209 {
00210 <span class="keyword">public</span>:
00211         IV_Requirement IVRequirement()<span class="keyword"> const </span>{<span class="keywordflow">return</span> UNPREDICTABLE_RANDOM_IV;}
00212         <span class="keywordtype">bool</span> RequireAlignedInput()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <span class="keyword">false</span>;}
00213         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> MinLastBlockSize()<span class="keyword"> const </span>{<span class="keywordflow">return</span> 0;}
00214 };
00215 
00216 <span class="keyword">class </span>CRYPTOPP_DLL CBC_Encryption : <span class="keyword">public</span> CBC_ModeBase
00217 {
00218 <span class="keyword">public</span>:
00219         <span class="keywordtype">void</span> ProcessBlocks(byte *outString, <span class="keyword">const</span> byte *inString, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> numberOfBlocks);
00220 };
00221 
00222 <span class="keyword">class </span>CRYPTOPP_DLL CBC_CTS_Encryption : <span class="keyword">public</span> CBC_Encryption
00223 {
00224 <span class="keyword">public</span>:
00225         <span class="keywordtype">void</span> SetStolenIV(byte *iv) {m_stolenIV = iv;}
00226 
00227 <span class="keyword">protected</span>:
00228         <span class="keywordtype">void</span> UncheckedSetKey(<span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html">NameValuePairs</a> &amp;params, <span class="keyword">const</span> byte *key, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length)
00229         {
00230                 CBC_Encryption::UncheckedSetKey(params, key, length);
00231                 m_stolenIV = params.<a class="code" href="class_name_value_pairs.html#_x_t_r___d_ha40">GetValueWithDefault</a>(Name::StolenIV(), (byte *)NULL);
00232         }
00233         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> MinLastBlockSize()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="namespace_name.html#a9">BlockSize</a>()+1;}
00234         <span class="keywordtype">void</span> ProcessLastBlock(byte *outString, <span class="keyword">const</span> byte *inString, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length);
00235 
00236         byte *m_stolenIV;
00237 };
00238 
00239 <span class="keyword">class </span>CRYPTOPP_DLL CBC_Decryption : <span class="keyword">public</span> CBC_ModeBase
00240 {
00241 <span class="keyword">public</span>:
00242         <span class="keywordtype">void</span> ProcessBlocks(byte *outString, <span class="keyword">const</span> byte *inString, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> numberOfBlocks);
00243         
00244 <span class="keyword">protected</span>:
00245         <span class="keywordtype">void</span> ResizeBuffers()
00246         {
00247                 BlockOrientedCipherModeBase::ResizeBuffers();
00248                 m_temp.New(<a class="code" href="namespace_name.html#a9">BlockSize</a>());
00249         }
00250         <a class="code" href="class_sec_block.html">SecByteBlock</a> m_temp;
00251 };
00252 
00253 <span class="keyword">class </span>CRYPTOPP_DLL CBC_CTS_Decryption : <span class="keyword">public</span> CBC_Decryption
00254 {
00255 <span class="keyword">public</span>:
00256         <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> MinLastBlockSize()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="namespace_name.html#a9">BlockSize</a>()+1;}
00257         <span class="keywordtype">void</span> ProcessLastBlock(byte *outString, <span class="keyword">const</span> byte *inString, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length);
00258 };
00259 <span class="comment"></span>
00260 <span class="comment">//! .</span>
00261 <span class="comment"></span><span class="keyword">template</span> &lt;<span class="keyword">class</span> CIPHER, <span class="keyword">class</span> BASE&gt;
<a name="l00262"></a><a class="code" href="class_cipher_mode_final_template___cipher_holder.html">00262</a> <span class="keyword">class </span><a class="code" href="class_cipher_mode_final_template___cipher_holder.html">CipherModeFinalTemplate_CipherHolder</a> : <span class="keyword">public</span> ObjectHolder&lt;CIPHER&gt;, <span class="keyword">public</span> BASE
00263 {
00264 <span class="keyword">public</span>:
00265         <a class="code" href="class_cipher_mode_final_template___cipher_holder.html">CipherModeFinalTemplate_CipherHolder</a>()
00266         {
00267                 m_cipher = &amp;m_object;
00268                 ResizeBuffers();
00269         }
00270         <a class="code" href="class_cipher_mode_final_template___cipher_holder.html">CipherModeFinalTemplate_CipherHolder</a>(<span class="keyword">const</span> byte *key, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length)
00271         {
00272                 m_cipher = &amp;m_object;
00273                 SetKey(key, length);
00274         }
00275         <a class="code" href="class_cipher_mode_final_template___cipher_holder.html">CipherModeFinalTemplate_CipherHolder</a>(<span class="keyword">const</span> byte *key, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length, <span class="keyword">const</span> byte *iv, <span class="keywordtype">int</span> feedbackSize = 0)
00276         {
00277                 m_cipher = &amp;m_object;
00278                 SetKey(key, length, MakeParameters(<span class="stringliteral">"IV"</span>, iv)(<span class="stringliteral">"FeedbackSize"</span>, feedbackSize));
00279         }
00280 };
00281 <span class="comment"></span>
00282 <span class="comment">//! .</span>
00283 <span class="comment"></span><span class="keyword">template</span> &lt;<span class="keyword">class</span> BASE&gt;
<a name="l00284"></a><a class="code" href="class_cipher_mode_final_template___external_cipher.html">00284</a> <span class="keyword">class </span><a class="code" href="class_cipher_mode_final_template___external_cipher.html">CipherModeFinalTemplate_ExternalCipher</a> : <span class="keyword">public</span> BASE
00285 {
00286 <span class="keyword">public</span>:
00287         <a class="code" href="class_cipher_mode_final_template___external_cipher.html">CipherModeFinalTemplate_ExternalCipher</a>(<a class="code" href="class_block_cipher.html">BlockCipher</a> &amp;cipher, <span class="keyword">const</span> byte *iv = NULL, <span class="keywordtype">int</span> feedbackSize = 0);
00288 };
00289 
00290 <span class="keyword">template</span> &lt;<span class="keyword">class</span> BASE&gt; <a class="code" href="class_cipher_mode_final_template___external_cipher.html">CipherModeFinalTemplate_ExternalCipher&lt;BASE&gt;::CipherModeFinalTemplate_ExternalCipher</a>(<a class="code" href="class_block_cipher.html">BlockCipher</a> &amp;cipher, <span class="keyword">const</span> byte *iv, <span class="keywordtype">int</span> feedbackSize)
00291 {
00292         m_cipher = &amp;cipher;
00293         ResizeBuffers();
00294         SetFeedbackSize(feedbackSize);
00295         SetIV(iv);
00296 }
00297 
00298 CRYPTOPP_DLL_TEMPLATE_CLASS CFB_CipherTemplate&lt;AbstractPolicyHolder&lt;CFB_CipherAbstractPolicy, CFB_ModePolicy&gt; &gt;;
00299 CRYPTOPP_DLL_TEMPLATE_CLASS CFB_EncryptionTemplate&lt;AbstractPolicyHolder&lt;CFB_CipherAbstractPolicy, CFB_ModePolicy&gt; &gt;;
00300 CRYPTOPP_DLL_TEMPLATE_CLASS CFB_DecryptionTemplate&lt;AbstractPolicyHolder&lt;CFB_CipherAbstractPolicy, CFB_ModePolicy&gt; &gt;;
00301 <span class="comment"></span>
00302 <span class="comment">//! CFB mode</span>
00303 <span class="comment"></span><span class="keyword">template</span> &lt;<span class="keyword">class</span> CIPHER&gt;
<a name="l00304"></a><a class="code" href="struct_c_f_b___mode.html">00304</a> <span class="keyword">struct </span><a class="code" href="struct_c_f_b___mode.html">CFB_Mode</a> : <span class="keyword">public</span> <a class="code" href="struct_cipher_mode_documentation.html">CipherModeDocumentation</a>
00305 {
<a name="l00306"></a><a class="code" href="struct_c_f_b___mode.html#_c_f_b___modew0">00306</a>         <span class="keyword">typedef</span> <a class="code" href="class_cipher_mode_final_template___cipher_holder.html">CipherModeFinalTemplate_CipherHolder&lt;CPP_TYPENAME CIPHER::Encryption, ConcretePolicyHolder&lt;Empty, CFB_EncryptionTemplate&lt;AbstractPolicyHolder&lt;CFB_CipherAbstractPolicy, CFB_ModePolicy&gt;</a> &gt; &gt; &gt; <a class="code" href="class_cipher_mode_final_template___cipher_holder.html">Encryption</a>;
<a name="l00307"></a><a class="code" href="struct_c_f_b___mode.html#_c_f_b___modew1">00307</a>         <span class="keyword">typedef</span> <a class="code" href="class_cipher_mode_final_template___cipher_holder.html">CipherModeFinalTemplate_CipherHolder&lt;CPP_TYPENAME CIPHER::Encryption, ConcretePolicyHolder&lt;Empty, CFB_DecryptionTemplate&lt;AbstractPolicyHolder&lt;CFB_CipherAbstractPolicy, CFB_ModePolicy&gt;</a> &gt; &gt; &gt; <a class="code" href="class_cipher_mode_final_template___cipher_holder.html">Decryption</a>;
00308 };
00309 <span class="comment"></span>
00310 <span class="comment">//! CFB mode, external cipher</span>
<a name="l00311"></a><a class="code" href="struct_c_f_b___mode___external_cipher.html">00311</a> <span class="comment"></span><span class="keyword">struct </span><a class="code" href="struct_c_f_b___mode___external_cipher.html">CFB_Mode_ExternalCipher</a> : <span class="keyword">public</span> <a class="code" href="struct_cipher_mode_documentation.html">CipherModeDocumentation</a>
00312 {
<a name="l00313"></a><a class="code" href="struct_c_f_b___mode___external_cipher.html#_c_f_b___mode___external_cipherw0">00313</a>         <span class="keyword">typedef</span> <a class="code" href="class_cipher_mode_final_template___external_cipher.html">CipherModeFinalTemplate_ExternalCipher&lt;ConcretePolicyHolder&lt;Empty, CFB_EncryptionTemplate&lt;AbstractPolicyHolder&lt;CFB_CipherAbstractPolicy, CFB_ModePolicy&gt;</a> &gt; &gt; &gt; <a class="code" href="class_cipher_mode_final_template___external_cipher.html">Encryption</a>;
<a name="l00314"></a><a class="code" href="struct_c_f_b___mode___external_cipher.html#_c_f_b___mode___external_cipherw1">00314</a>         <span class="keyword">typedef</span> <a class="code" href="class_cipher_mode_final_template___external_cipher.html">CipherModeFinalTemplate_ExternalCipher&lt;ConcretePolicyHolder&lt;Empty, CFB_DecryptionTemplate&lt;AbstractPolicyHolder&lt;CFB_CipherAbstractPolicy, CFB_ModePolicy&gt;</a> &gt; &gt; &gt; <a class="code" href="class_cipher_mode_final_template___external_cipher.html">Decryption</a>;