class_o_f_b___mode_policy.html

著名的密码库Crypto++的文档 C++语言的杰作。程序员必备。

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">returns whether this transformation is self-inverting (e.g. xor with a keystream) <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="548b24c9354ebda5cdd06ef1cd79667b"></a><!-- doxytag: member="OFB_ModePolicy::IsForwardTransformation" ref="548b24c9354ebda5cdd06ef1cd79667b" args="() const=0" -->
virtual bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_transformation.html#548b24c9354ebda5cdd06ef1cd79667b">IsForwardTransformation</a> () const=0</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">returns whether this is an encryption object <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4f31510a192d1121856efe8ad0a9b844"></a><!-- doxytag: member="OFB_ModePolicy::AlgorithmName" ref="4f31510a192d1121856efe8ad0a9b844" args="() const" -->
virtual std::string&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_algorithm.html#4f31510a192d1121856efe8ad0a9b844">AlgorithmName</a> () const</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">returns name of this algorithm, not universally implemented yet <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d0016ba2d505c23aa85aad49e6c19bb7"></a><!-- doxytag: member="OFB_ModePolicy::Clone" ref="d0016ba2d505c23aa85aad49e6c19bb7" args="() const" -->
virtual <a class="el" href="class_clonable.html">Clonable</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_clonable.html#d0016ba2d505c23aa85aad49e6c19bb7">Clone</a> () const</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">this is not implemented by most classes yet <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#df3c29b3ef3af74788a58c7c49887fd7">SetKey</a> (const byte *key, size_t length, const <a class="el" href="class_name_value_pairs.html">NameValuePairs</a> &amp;params=<a class="el" href="cryptlib_8h.html#d3205973dd1afa14090a683154c1109c">g_nullNameValuePairs</a>)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">set or reset the key of this object  <a href="#df3c29b3ef3af74788a58c7c49887fd7"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="0401f9c67930805180964bc02ae0ac1c"></a><!-- doxytag: member="OFB_ModePolicy::SetKeyWithRounds" ref="0401f9c67930805180964bc02ae0ac1c" args="(const byte *key, size_t length, int rounds)" -->
void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#0401f9c67930805180964bc02ae0ac1c">SetKeyWithRounds</a> (const byte *key, size_t length, int rounds)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">calls <a class="el" href="class_simple_keying_interface.html#df3c29b3ef3af74788a58c7c49887fd7" title="set or reset the key of this object">SetKey()</a> with an <a class="el" href="class_name_value_pairs.html" title="interface for retrieving values given their names">NameValuePairs</a> object that just specifies "Rounds" <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="c25e27eaeae2e909741c07de93caef49"></a><!-- doxytag: member="OFB_ModePolicy::SetKeyWithIV" ref="c25e27eaeae2e909741c07de93caef49" args="(const byte *key, size_t length, const byte *iv)" -->
void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#c25e27eaeae2e909741c07de93caef49">SetKeyWithIV</a> (const byte *key, size_t length, const byte *iv)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">calls <a class="el" href="class_simple_keying_interface.html#df3c29b3ef3af74788a58c7c49887fd7" title="set or reset the key of this object">SetKey()</a> with an <a class="el" href="class_name_value_pairs.html" title="interface for retrieving values given their names">NameValuePairs</a> object that just specifies "IV" <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#71039112353cc70e9859ebd95037cc1a">IsResynchronizable</a> () const</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">returns whether this object can be resynchronized (i.e. supports initialization vectors)  <a href="#71039112353cc70e9859ebd95037cc1a"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a09fd0893ac8c6068e07ce30bb55c1d9"></a><!-- doxytag: member="OFB_ModePolicy::CanUseRandomIVs" ref="a09fd0893ac8c6068e07ce30bb55c1d9" args="() const" -->
bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#a09fd0893ac8c6068e07ce30bb55c1d9">CanUseRandomIVs</a> () const</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">returns whether this object can use random IVs (in addition to ones returned by GetNextIV) <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b98803e8744b73663e7e9c872eef822b"></a><!-- doxytag: member="OFB_ModePolicy::CanUsePredictableIVs" ref="b98803e8744b73663e7e9c872eef822b" args="() const" -->
bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#b98803e8744b73663e7e9c872eef822b">CanUsePredictableIVs</a> () const</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">returns whether this object can use random but possibly predictable IVs (in addition to ones returned by GetNextIV) <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="fbf7065f7db5439d471d1bcc260d3bd5"></a><!-- doxytag: member="OFB_ModePolicy::CanUseStructuredIVs" ref="fbf7065f7db5439d471d1bcc260d3bd5" args="() const" -->
bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#fbf7065f7db5439d471d1bcc260d3bd5">CanUseStructuredIVs</a> () const</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">returns whether this object can use structured IVs, for example a counter (in addition to ones returned by GetNextIV) <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="8ee3f5f9c00d193bf9d8fd8aa46ccbb2"></a><!-- doxytag: member="OFB_ModePolicy::Resynchronize" ref="8ee3f5f9c00d193bf9d8fd8aa46ccbb2" args="(const byte *IV)" -->
virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#8ee3f5f9c00d193bf9d8fd8aa46ccbb2">Resynchronize</a> (const byte *IV)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">resynchronize with an IV <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#917224bb6df7431d6469e7a10feac5fa">GetNextIV</a> (<a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> &amp;rng, byte *IV)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">get a secure IV for the next message  <a href="#917224bb6df7431d6469e7a10feac5fa"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="32bbafa12b59e77d4d8bc67e9d5a4004"></a><!-- doxytag: member="OFB_ModePolicy::GetOptimalBlockSize" ref="32bbafa12b59e77d4d8bc67e9d5a4004" args="() const" -->
virtual unsigned int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_additive_cipher_abstract_policy.html#32bbafa12b59e77d4d8bc67e9d5a4004">GetOptimalBlockSize</a> () const</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="02d1a81c11cf52ed48a5c10357a39717"></a><!-- doxytag: member="OFB_ModePolicy::CanOperateKeystream" ref="02d1a81c11cf52ed48a5c10357a39717" args="() const" -->
virtual bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_additive_cipher_abstract_policy.html#02d1a81c11cf52ed48a5c10357a39717">CanOperateKeystream</a> () const</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e948f2e69229ba39837e498a464606d4"></a><!-- doxytag: member="OFB_ModePolicy::OperateKeystream" ref="e948f2e69229ba39837e498a464606d4" args="(KeystreamOperation operation, byte *output, const byte *input, size_t iterationCount)" -->
virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_additive_cipher_abstract_policy.html#e948f2e69229ba39837e498a464606d4">OperateKeystream</a> (<a class="el" href="strciphr_8h.html#b4a226527d2bd01ff19bfa14d0974227">KeystreamOperation</a> operation, byte *output, const byte *input, size_t iterationCount)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="8fce38d2b7d84732fc3efea410b82d54"></a><!-- doxytag: member="OFB_ModePolicy::SeekToIteration" ref="8fce38d2b7d84732fc3efea410b82d54" args="(lword iterationCount)" -->
virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="struct_additive_cipher_abstract_policy.html#8fce38d2b7d84732fc3efea410b82d54">SeekToIteration</a> (lword iterationCount)</td></tr>

<tr><td colspan="2"><br><h2>Static Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="20ee768bb4173bc4fb3f3659519d7113"></a><!-- doxytag: member="OFB_ModePolicy::StaticAlgorithmName" ref="20ee768bb4173bc4fb3f3659519d7113" args="()" -->
static const char *__cdecl&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_o_f_b___mode_policy.html#20ee768bb4173bc4fb3f3659519d7113">StaticAlgorithmName</a> ()</td></tr>

<tr><td colspan="2"><br><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="6d0a5b8deef965aa690441541c5a7aa7"></a><!-- doxytag: member="OFB_ModePolicy::BlockSize" ref="6d0a5b8deef965aa690441541c5a7aa7" args="() const" -->
unsigned int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_cipher_mode_base.html#6d0a5b8deef965aa690441541c5a7aa7">BlockSize</a> () const</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="687cdab140bc5c733bc43299a97c2a17"></a><!-- doxytag: member="OFB_ModePolicy::SetFeedbackSize" ref="687cdab140bc5c733bc43299a97c2a17" args="(unsigned int feedbackSize)" -->
virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_cipher_mode_base.html#687cdab140bc5c733bc43299a97c2a17">SetFeedbackSize</a> (unsigned int feedbackSize)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="8c864c16ce0eb014699c0a61adcc6836"></a><!-- doxytag: member="OFB_ModePolicy::ResizeBuffers" ref="8c864c16ce0eb014699c0a61adcc6836" args="()" -->
virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_cipher_mode_base.html#8c864c16ce0eb014699c0a61adcc6836">ResizeBuffers</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b6afcfe922c393cc1954d37fc4264637"></a><!-- doxytag: member="OFB_ModePolicy::GetAlgorithm" ref="b6afcfe922c393cc1954d37fc4264637" args="() const=0" -->
virtual const <a class="el" href="class_algorithm.html">Algorithm</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><b>GetAlgorithm</b> () const=0</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="911df1b09f35e18a19e474942971947b"></a><!-- doxytag: member="OFB_ModePolicy::UncheckedSetKey" ref="911df1b09f35e18a19e474942971947b" args="(const byte *key, unsigned int length, const NameValuePairs &amp;params)=0" -->
virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><b>UncheckedSetKey</b> (const byte *key, unsigned int length, const <a class="el" href="class_name_value_pairs.html">NameValuePairs</a> &amp;params)=0</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="32b2095542b18025814118734bf34da2"></a><!-- doxytag: member="OFB_ModePolicy::ThrowIfInvalidKeyLength" ref="32b2095542b18025814118734bf34da2" args="(size_t length)" -->
void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#32b2095542b18025814118734bf34da2">ThrowIfInvalidKeyLength</a> (size_t length)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e60d9774af66fc673fe6139f5880c477"></a><!-- doxytag: member="OFB_ModePolicy::ThrowIfResynchronizable" ref="e60d9774af66fc673fe6139f5880c477" args="()" -->
void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#e60d9774af66fc673fe6139f5880c477">ThrowIfResynchronizable</a> ()</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="c687add7d0a09c626d85b77714bbd114"></a><!-- doxytag: member="OFB_ModePolicy::ThrowIfInvalidIV" ref="c687add7d0a09c626d85b77714bbd114" args="(const byte *iv)" -->
void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#c687add7d0a09c626d85b77714bbd114">ThrowIfInvalidIV</a> (const byte *iv)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="8d63825e000442603429b6f433b798f5"></a><!-- doxytag: member="OFB_ModePolicy::GetIVAndThrowIfInvalid" ref="8d63825e000442603429b6f433b798f5" args="(const NameValuePairs &amp;params)" -->
const byte *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#8d63825e000442603429b6f433b798f5">GetIVAndThrowIfInvalid</a> (const <a class="el" href="class_name_value_pairs.html">NameValuePairs</a> &amp;params)</td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="719efcf12f0de461b951830b8131b36a"></a><!-- doxytag: member="OFB_ModePolicy::AssertValidKeyLength" ref="719efcf12f0de461b951830b8131b36a" args="(size_t length) const " -->
void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#719efcf12f0de461b951830b8131b36a">AssertValidKeyLength</a> (size_t length) const </td></tr>

<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b6c63ae5b5521b462912b1bb2d766989"></a><!-- doxytag: member="OFB_ModePolicy::m_cipher" ref="b6c63ae5b5521b462912b1bb2d766989" args="" -->
<a class="el" href="class_block_cipher.html">BlockCipher</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_cipher_mode_base.html#b6c63ae5b5521b462912b1bb2d766989">m_cipher</a></td></tr>

<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="5d4cdcf2a0a4f5c52115fa622eebc10a"></a><!-- doxytag: member="OFB_ModePolicy::m_register" ref="5d4cdcf2a0a4f5c52115fa622eebc10a" args="" -->
<a class="el" href="class_sec_block.html">SecByteBlock</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_cipher_mode_base.html#5d4cdcf2a0a4f5c52115fa622eebc10a">m_register</a></td></tr>

</table>
<hr><h2>Member Enumeration Documentation</h2>
<a class="anchor" name="88201c180fbfaa9fef2715252546ad6e"></a><!-- doxytag: member="OFB_ModePolicy::IV_Requirement" ref="88201c180fbfaa9fef2715252546ad6e" args="" -->
<div class="memitem">
<div class="memproto">
      <table class="memname">
        <tr>
          <td class="memname">enum <a class="el" href="class_simple_keying_interface.html#88201c180fbfaa9fef2715252546ad6e">SimpleKeyingInterface::IV_Requirement</a><code> [inherited]</code>          </td>
        </tr>
      </table>
</div>
<div class="memdoc">

<p>
<dl compact><dt><b>Enumerator: </b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><em><a class="anchor" name="88201c180fbfaa9fef2715252546ad6e1cc32e69fe4f385e54d9d482a2ab5a56"></a><!-- doxytag: member="UNIQUE_IV" ref="88201c180fbfaa9fef2715252546ad6e1cc32e69fe4f385e54d9d482a2ab5a56" args="" -->UNIQUE_IV</em>&nbsp;</td><td>
</td></tr>
<tr><td valign="top"><em><a class="anchor" name="88201c180fbfaa9fef2715252546ad6e4520c4379ee3a1aed95a36e2235ba338"></a><!-- doxytag: member="RANDOM_IV" ref="88201c180fbfaa9fef2715252546ad6e4520c4379ee3a1aed95a36e2235ba338" args="" -->RANDOM_IV</em>&nbsp;</td><td>
</td></tr>
<tr><td valign="top"><em><a class="anchor" name="88201c180fbfaa9fef2715252546ad6eceff3ad4b12bcb6d7b61a5bd543a815c"></a><!-- doxytag: member="UNPREDICTABLE_RANDOM_IV" ref="88201c180fbfaa9fef2715252546ad6eceff3ad4b12bcb6d7b61a5bd543a815c" args="" -->UNPREDICTABLE_RANDOM_IV</em>&nbsp;</td><td>
</td></tr>
<tr><td valign="top"><em><a class="anchor" name="88201c180fbfaa9fef2715252546ad6eb659bf6d2c470c50c14bfbab5b2d45ab"></a><!-- doxytag: member="INTERNALLY_GENERATED_IV" ref="88201c180fbfaa9fef2715252546ad6eb659bf6d2c470c50c14bfbab5b2d45ab" args="" -->INTERNALLY_GENERATED_IV</em>&nbsp;</td><td>
</td></tr>
<tr><td valign="top"><em><a class="anchor" name="88201c180fbfaa9fef2715252546ad6ec1d24de3dedd05c28516f452d3ace417"></a><!-- doxytag: member="NOT_RESYNCHRONIZABLE" ref="88201c180fbfaa9fef2715252546ad6ec1d24de3dedd05c28516f452d3ace417" args="" -->NOT_RESYNCHRONIZABLE</em>&nbsp;</td><td>
</td></tr>
</table>
</dl>

<p>
Definition at line <a class="el" href="cryptlib_8h-source.html#l00382">382</a> of file <a class="el" href="cryptlib_8h-source.html">cryptlib.h</a>.
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