class_block_cipher.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 largest valid key length in bytes */ <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f900bd0bce7f925cfe8c6002b828d810"></a><!-- doxytag: member="BlockCipher::DefaultKeyLength" ref="f900bd0bce7f925cfe8c6002b828d810" args="() const=0" -->
virtual size_t&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#f900bd0bce7f925cfe8c6002b828d810">DefaultKeyLength</a> () const=0</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">returns default (recommended) key length in bytes */ <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d4fb24fe36b6396c361d83dcc8c647f0"></a><!-- doxytag: member="BlockCipher::GetValidKeyLength" ref="d4fb24fe36b6396c361d83dcc8c647f0" args="(size_t n) const=0" -->
virtual size_t&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#d4fb24fe36b6396c361d83dcc8c647f0">GetValidKeyLength</a> (size_t n) const=0</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">returns the smallest valid key length in bytes that is &gt;= min(n, GetMaxKeyLength()) <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="2229cdb9d7ac7e2cf3b02b39ae59ad77"></a><!-- doxytag: member="BlockCipher::IsValidKeyLength" ref="2229cdb9d7ac7e2cf3b02b39ae59ad77" args="(size_t n) const" -->
virtual bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#2229cdb9d7ac7e2cf3b02b39ae59ad77">IsValidKeyLength</a> (size_t n) const</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">returns whether n is a valid key length <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="BlockCipher::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="BlockCipher::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"><a class="anchor" name="22087180aa396209403b0852e9efc431"></a><!-- doxytag: member="BlockCipher::IVRequirement" ref="22087180aa396209403b0852e9efc431" args="() const=0" -->
virtual <a class="el" href="class_simple_keying_interface.html#88201c180fbfaa9fef2715252546ad6e">IV_Requirement</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#22087180aa396209403b0852e9efc431">IVRequirement</a> () const=0</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">returns the minimal requirement for secure IVs <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="BlockCipher::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="BlockCipher::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="BlockCipher::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="c6da9a8d3c783014ab54a2a3ee9e676a"></a><!-- doxytag: member="BlockCipher::IVSize" ref="c6da9a8d3c783014ab54a2a3ee9e676a" args="() const" -->
virtual unsigned int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#c6da9a8d3c783014ab54a2a3ee9e676a">IVSize</a> () const</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">returns size of IVs used by this object <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="8ee3f5f9c00d193bf9d8fd8aa46ccbb2"></a><!-- doxytag: member="BlockCipher::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 colspan="2"><br><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b6afcfe922c393cc1954d37fc4264637"></a><!-- doxytag: member="BlockCipher::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="BlockCipher::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="BlockCipher::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="BlockCipher::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="BlockCipher::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="BlockCipher::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="BlockCipher::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>

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<hr><h2>Member Enumeration Documentation</h2>
<a class="anchor" name="88201c180fbfaa9fef2715252546ad6e"></a><!-- doxytag: member="BlockCipher::IV_Requirement" ref="88201c180fbfaa9fef2715252546ad6e" args="" -->
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          <td class="memname">enum <a class="el" href="class_simple_keying_interface.html#88201c180fbfaa9fef2715252546ad6e">SimpleKeyingInterface::IV_Requirement</a><code> [inherited]</code>          </td>
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<p>
<dl compact><dt><b>Enumerator: </b></dt><dd>
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<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>
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<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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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="2fefb3f4c6c6297c0c91fcbba9e4f4f3"></a><!-- doxytag: member="BlockCipher::ProcessBlock" ref="2fefb3f4c6c6297c0c91fcbba9e4f4f3" args="(const byte *inBlock, byte *outBlock) const " -->
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          <td class="memname">void BlockTransformation::ProcessBlock           </td>
          <td>(</td>
          <td class="paramtype">const byte *&nbsp;</td>
          <td class="paramname"> <em>inBlock</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">byte *&nbsp;</td>
          <td class="paramname"> <em>outBlock</em></td><td>&nbsp;</td>
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          <td></td>
          <td>)</td>
          <td></td><td></td><td width="100%"> const<code> [inline, inherited]</code></td>
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