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 <span id="projectnumber">7.0</span>
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<div id="projectbrief">Free C++ class library of cryptographic schemes</div>
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<a href="#pub-static-methods">Static Public Member Functions</a> |
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<a href="class_same_key_length_as-members.html">List of all members</a> </div>
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<div class="title">SameKeyLengthAs< T, IV_REQ, IV_L > Class Template Reference</div> </div>
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<p>Provides key lengths based on another class's key length.
<a href="class_same_key_length_as.html#details">More...</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr class="memitem:a7efeb052c732aacd1691130c5c9ae461"><td class="memItemLeft" align="right" valign="top">static size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_same_key_length_as.html#a7efeb052c732aacd1691130c5c9ae461">StaticGetValidKeyLength</a> (size_t keylength)</td></tr>
<tr class="memdesc:a7efeb052c732aacd1691130c5c9ae461"><td class="mdescLeft"> </td><td class="mdescRight">Provides a valid key length for the algorithm provided by a static function. <a href="#a7efeb052c732aacd1691130c5c9ae461">More...</a><br /></td></tr>
<tr class="separator:a7efeb052c732aacd1691130c5c9ae461"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-attribs"></a>
Static Public Attributes</h2></td></tr>
<tr class="memitem:a527f2760da06bc768e5dbeab732392ee"><td class="memItemLeft" align="right" valign="top">static const int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_same_key_length_as.html#a527f2760da06bc768e5dbeab732392ee">MIN_KEYLENGTH</a> =T::MIN_KEYLENGTH</td></tr>
<tr class="memdesc:a527f2760da06bc768e5dbeab732392ee"><td class="mdescLeft"> </td><td class="mdescRight">The minimum key length used by the algorithm provided as a constant. <a href="#a527f2760da06bc768e5dbeab732392ee">More...</a><br /></td></tr>
<tr class="separator:a527f2760da06bc768e5dbeab732392ee"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa4474256666f0a2fe2428164e95dabb4"><td class="memItemLeft" align="right" valign="top">static const int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_same_key_length_as.html#aa4474256666f0a2fe2428164e95dabb4">MAX_KEYLENGTH</a> =T::MAX_KEYLENGTH</td></tr>
<tr class="memdesc:aa4474256666f0a2fe2428164e95dabb4"><td class="mdescLeft"> </td><td class="mdescRight">The maximum key length used by the algorithm provided as a constant. <a href="#aa4474256666f0a2fe2428164e95dabb4">More...</a><br /></td></tr>
<tr class="separator:aa4474256666f0a2fe2428164e95dabb4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a2178ba0a86c81fa36ab235c748062b2e"><td class="memItemLeft" align="right" valign="top">static const int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_same_key_length_as.html#a2178ba0a86c81fa36ab235c748062b2e">DEFAULT_KEYLENGTH</a> =T::DEFAULT_KEYLENGTH</td></tr>
<tr class="memdesc:a2178ba0a86c81fa36ab235c748062b2e"><td class="mdescLeft"> </td><td class="mdescRight">The default key length used by the algorithm provided as a constant. <a href="#a2178ba0a86c81fa36ab235c748062b2e">More...</a><br /></td></tr>
<tr class="separator:a2178ba0a86c81fa36ab235c748062b2e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a1b7699903c1c89fc6c8dcf76ae7abd7c"><td class="memItemLeft" align="right" valign="top">static const int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_same_key_length_as.html#a1b7699903c1c89fc6c8dcf76ae7abd7c">IV_REQUIREMENT</a> =IV_REQ</td></tr>
<tr class="memdesc:a1b7699903c1c89fc6c8dcf76ae7abd7c"><td class="mdescLeft"> </td><td class="mdescRight">The default IV requirements for the algorithm provided as a constant. <a href="#a1b7699903c1c89fc6c8dcf76ae7abd7c">More...</a><br /></td></tr>
<tr class="separator:a1b7699903c1c89fc6c8dcf76ae7abd7c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:acb6c95b5e235a10e50dd7e4d25faecfe"><td class="memItemLeft" align="right" valign="top">static const int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_same_key_length_as.html#acb6c95b5e235a10e50dd7e4d25faecfe">IV_LENGTH</a> =IV_L</td></tr>
<tr class="memdesc:acb6c95b5e235a10e50dd7e4d25faecfe"><td class="mdescLeft"> </td><td class="mdescRight">The default initialization vector length for the algorithm provided as a constant. <a href="#acb6c95b5e235a10e50dd7e4d25faecfe">More...</a><br /></td></tr>
<tr class="separator:acb6c95b5e235a10e50dd7e4d25faecfe"><td class="memSeparator" colspan="2"> </td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template<class T, unsigned int IV_REQ = SimpleKeyingInterface::NOT_RESYNCHRONIZABLE, unsigned int IV_L = 0><br />
class SameKeyLengthAs< T, IV_REQ, IV_L ></h3>
<p>Provides key lengths based on another class's key length. </p>
<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">T</td><td>another <a class="el" href="class_fixed_key_length.html" title="Inherited by keyed algorithms with fixed key length. ">FixedKeyLength</a> or <a class="el" href="class_variable_key_length.html" title="Inherited by keyed algorithms with variable key length. ">VariableKeyLength</a> class </td></tr>
<tr><td class="paramname">IV_REQ</td><td>the <a class="el" href="class_simple_keying_interface.html#a88201c180fbfaa9fef2715252546ad6e">IV requirements</a> </td></tr>
<tr><td class="paramname">IV_L</td><td>default IV length, in bytes </td></tr>
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</dd>
</dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_simple_keying_interface.html" title="Interface for algorithms that take byte strings as keys. ">SimpleKeyingInterface</a> </dd></dl>
<p class="definition">Definition at line <a class="el" href="seckey_8h_source.html#l00240">240</a> of file <a class="el" href="seckey_8h_source.html">seckey.h</a>.</p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="a7efeb052c732aacd1691130c5c9ae461"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7efeb052c732aacd1691130c5c9ae461">◆ </a></span>StaticGetValidKeyLength()</h2>
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template<class T, unsigned int IV_REQ = SimpleKeyingInterface::NOT_RESYNCHRONIZABLE, unsigned int IV_L = 0> </div>
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<td class="memname">static size_t <a class="el" href="class_same_key_length_as.html">SameKeyLengthAs</a>< T, IV_REQ, IV_L >::StaticGetValidKeyLength </td>
<td>(</td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>keylength</em></td><td>)</td>
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<p>Provides a valid key length for the algorithm provided by a static function. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">keylength</td><td>the size of the key, in bytes</td></tr>
</table>
</dd>
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<p>If keylength is less than MIN_KEYLENGTH, then the function returns MIN_KEYLENGTH. If keylength is greater than MAX_KEYLENGTH, then the function returns MAX_KEYLENGTH. If keylength is a multiple of KEYLENGTH_MULTIPLE, then keylength is returned. Otherwise, the function returns keylength rounded <em>down</em> to the next smaller multiple of KEYLENGTH_MULTIPLE.</p>
<p>keylength is provided in bytes, not bits. </p>
<p class="definition">Definition at line <a class="el" href="seckey_8h_source.html#l00267">267</a> of file <a class="el" href="seckey_8h_source.html">seckey.h</a>.</p>
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<h2 class="groupheader">Member Data Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a527f2760da06bc768e5dbeab732392ee">◆ </a></span>MIN_KEYLENGTH</h2>
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template<class T, unsigned int IV_REQ = SimpleKeyingInterface::NOT_RESYNCHRONIZABLE, unsigned int IV_L = 0> </div>
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<td class="memname">const int <a class="el" href="class_same_key_length_as.html">SameKeyLengthAs</a>< T, IV_REQ, IV_L >::MIN_KEYLENGTH =T::MIN_KEYLENGTH</td>
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<p>The minimum key length used by the algorithm provided as a constant. </p>
<p>MIN_KEYLENGTH is provided in bytes, not bits </p>
<p class="definition">Definition at line <a class="el" href="seckey_8h_source.html#l00245">245</a> of file <a class="el" href="seckey_8h_source.html">seckey.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aa4474256666f0a2fe2428164e95dabb4">◆ </a></span>MAX_KEYLENGTH</h2>
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template<class T, unsigned int IV_REQ = SimpleKeyingInterface::NOT_RESYNCHRONIZABLE, unsigned int IV_L = 0> </div>
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<td class="memname">const int <a class="el" href="class_same_key_length_as.html">SameKeyLengthAs</a>< T, IV_REQ, IV_L >::MAX_KEYLENGTH =T::MAX_KEYLENGTH</td>
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<p>The maximum key length used by the algorithm provided as a constant. </p>
<p>MIN_KEYLENGTH is provided in bytes, not bits </p>
<p class="definition">Definition at line <a class="el" href="seckey_8h_source.html#l00248">248</a> of file <a class="el" href="seckey_8h_source.html">seckey.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a2178ba0a86c81fa36ab235c748062b2e">◆ </a></span>DEFAULT_KEYLENGTH</h2>
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template<class T, unsigned int IV_REQ = SimpleKeyingInterface::NOT_RESYNCHRONIZABLE, unsigned int IV_L = 0> </div>
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<td class="memname">const int <a class="el" href="class_same_key_length_as.html">SameKeyLengthAs</a>< T, IV_REQ, IV_L >::DEFAULT_KEYLENGTH =T::DEFAULT_KEYLENGTH</td>
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<p>The default key length used by the algorithm provided as a constant. </p>
<p>MIN_KEYLENGTH is provided in bytes, not bits </p>
<p class="definition">Definition at line <a class="el" href="seckey_8h_source.html#l00251">251</a> of file <a class="el" href="seckey_8h_source.html">seckey.h</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a1b7699903c1c89fc6c8dcf76ae7abd7c">◆ </a></span>IV_REQUIREMENT</h2>
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template<class T, unsigned int IV_REQ = SimpleKeyingInterface::NOT_RESYNCHRONIZABLE, unsigned int IV_L = 0> </div>
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<p>The default IV requirements for the algorithm provided as a constant. </p>
<p>The default value is NOT_RESYNCHRONIZABLE. See IV_Requirement in <a class="el" href="cryptlib_8h.html" title="Abstract base classes that provide a uniform interface to this library. ">cryptlib.h</a> for allowed values. </p>
<p class="definition">Definition at line <a class="el" href="seckey_8h_source.html#l00255">255</a> of file <a class="el" href="seckey_8h_source.html">seckey.h</a>.</p>
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template<class T, unsigned int IV_REQ = SimpleKeyingInterface::NOT_RESYNCHRONIZABLE, unsigned int IV_L = 0> </div>
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<td class="memname">const int <a class="el" href="class_same_key_length_as.html">SameKeyLengthAs</a>< T, IV_REQ, IV_L >::IV_LENGTH =IV_L</td>
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<p>The default initialization vector length for the algorithm provided as a constant. </p>
<p>IV_LENGTH is provided in bytes, not bits. The default implementation uses 0. </p>
<p class="definition">Definition at line <a class="el" href="seckey_8h_source.html#l00258">258</a> of file <a class="el" href="seckey_8h_source.html">seckey.h</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="seckey_8h_source.html">seckey.h</a></li>
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