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<title>Crypto++: SAFER::Dec Class Reference</title>
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<div id="projectname">Crypto++
 <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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<li class="navelem"><a class="el" href="class_s_a_f_e_r.html">SAFER</a></li><li class="navelem"><a class="el" href="class_s_a_f_e_r_1_1_dec.html">Dec</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> |
<a href="class_s_a_f_e_r_1_1_dec-members.html">List of all members</a> </div>
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<div class="title">SAFER::Dec Class Reference</div> </div>
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<p><a class="el" href="class_s_a_f_e_r.html" title="SAFER block cipher. ">SAFER</a> block cipher decryption operation.
<a href="class_s_a_f_e_r_1_1_dec.html#details">More...</a></p>
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<img id="dynsection-0-trigger" src="closed.png" alt="+"/> Inheritance diagram for SAFER::Dec:</div>
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<img src="class_s_a_f_e_r_1_1_dec.png" usemap="#SAFER::Dec_map" alt=""/>
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<area href="class_s_a_f_e_r_1_1_base.html" title="SAFER block cipher default operation. " alt="SAFER::Base" shape="rect" coords="74,224,212,248"/>
<area href="class_block_cipher.html" title="Interface for one direction (encryption or decryption) of a block cipher. " alt="BlockCipher" shape="rect" coords="74,168,212,192"/>
<area href="class_simple_keying_interface.html" title="Interface for algorithms that take byte strings as keys. " alt="SimpleKeyingInterface" shape="rect" coords="0,112,138,136"/>
<area href="class_block_transformation.html" title="Interface for the data processing part of block ciphers. " alt="BlockTransformation" shape="rect" coords="148,112,286,136"/>
<area href="class_algorithm.html" title="Interface for all crypto algorithms. " alt="Algorithm" shape="rect" coords="148,56,286,80"/>
<area href="class_clonable.html" title="Interface for cloning objects. " alt="Clonable" shape="rect" coords="148,0,286,24"/>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a094105c91af621b22c42bb487c57c2fe"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_s_a_f_e_r_1_1_dec.html#a094105c91af621b22c42bb487c57c2fe">ProcessAndXorBlock</a> (const byte *inBlock, const byte *xorBlock, byte *outBlock) const</td></tr>
<tr class="memdesc:a094105c91af621b22c42bb487c57c2fe"><td class="mdescLeft"> </td><td class="mdescRight">Encrypt or decrypt a block. <a href="#a094105c91af621b22c42bb487c57c2fe">More...</a><br /></td></tr>
<tr class="separator:a094105c91af621b22c42bb487c57c2fe"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_methods_class_s_a_f_e_r_1_1_base"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_s_a_f_e_r_1_1_base')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="class_s_a_f_e_r_1_1_base.html">SAFER::Base</a></td></tr>
<tr class="memitem:a12da959d8bc01569b0a8786b1682d1b4 inherit pub_methods_class_s_a_f_e_r_1_1_base"><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_s_a_f_e_r_1_1_base.html#a12da959d8bc01569b0a8786b1682d1b4">OptimalDataAlignment</a> () const</td></tr>
<tr class="memdesc:a12da959d8bc01569b0a8786b1682d1b4 inherit pub_methods_class_s_a_f_e_r_1_1_base"><td class="mdescLeft"> </td><td class="mdescRight">Provides input and output data alignment for optimal performance. <a href="class_s_a_f_e_r_1_1_base.html#a12da959d8bc01569b0a8786b1682d1b4">More...</a><br /></td></tr>
<tr class="separator:a12da959d8bc01569b0a8786b1682d1b4 inherit pub_methods_class_s_a_f_e_r_1_1_base"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad403227c3c5f82315dbb3f13dd2ec868 inherit pub_methods_class_s_a_f_e_r_1_1_base"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_s_a_f_e_r_1_1_base.html#ad403227c3c5f82315dbb3f13dd2ec868">UncheckedSetKey</a> (const byte *userkey, unsigned int length, const <a class="el" href="class_name_value_pairs.html">NameValuePairs</a> &params)</td></tr>
<tr class="memdesc:ad403227c3c5f82315dbb3f13dd2ec868 inherit pub_methods_class_s_a_f_e_r_1_1_base"><td class="mdescLeft"> </td><td class="mdescRight">Sets the key for this object without performing parameter validation. <a href="class_s_a_f_e_r_1_1_base.html#ad403227c3c5f82315dbb3f13dd2ec868">More...</a><br /></td></tr>
<tr class="separator:ad403227c3c5f82315dbb3f13dd2ec868 inherit pub_methods_class_s_a_f_e_r_1_1_base"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_methods_class_simple_keying_interface"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_simple_keying_interface')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="class_simple_keying_interface.html">SimpleKeyingInterface</a></td></tr>
<tr class="memitem:a2631c49dac4d5ec055c5dc88c6243578 inherit pub_methods_class_simple_keying_interface"><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#a2631c49dac4d5ec055c5dc88c6243578">MinKeyLength</a> () const =0</td></tr>
<tr class="memdesc:a2631c49dac4d5ec055c5dc88c6243578 inherit pub_methods_class_simple_keying_interface"><td class="mdescLeft"> </td><td class="mdescRight">Returns smallest valid key length. <a href="class_simple_keying_interface.html#a2631c49dac4d5ec055c5dc88c6243578">More...</a><br /></td></tr>
<tr class="separator:a2631c49dac4d5ec055c5dc88c6243578 inherit pub_methods_class_simple_keying_interface"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae02fcb4e1f6141e728ae37612cde6fff inherit pub_methods_class_simple_keying_interface"><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#ae02fcb4e1f6141e728ae37612cde6fff">MaxKeyLength</a> () const =0</td></tr>
<tr class="memdesc:ae02fcb4e1f6141e728ae37612cde6fff inherit pub_methods_class_simple_keying_interface"><td class="mdescLeft"> </td><td class="mdescRight">Returns largest valid key length. <a href="class_simple_keying_interface.html#ae02fcb4e1f6141e728ae37612cde6fff">More...</a><br /></td></tr>
<tr class="separator:ae02fcb4e1f6141e728ae37612cde6fff inherit pub_methods_class_simple_keying_interface"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae90dfc0bdfd13e214fd46e357ef64e98 inherit pub_methods_class_simple_keying_interface"><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#ae90dfc0bdfd13e214fd46e357ef64e98">DefaultKeyLength</a> () const =0</td></tr>
<tr class="memdesc:ae90dfc0bdfd13e214fd46e357ef64e98 inherit pub_methods_class_simple_keying_interface"><td class="mdescLeft"> </td><td class="mdescRight">Returns default key length. <a href="class_simple_keying_interface.html#ae90dfc0bdfd13e214fd46e357ef64e98">More...</a><br /></td></tr>
<tr class="separator:ae90dfc0bdfd13e214fd46e357ef64e98 inherit pub_methods_class_simple_keying_interface"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa6601819d376802e9698e815d00a5cba inherit pub_methods_class_simple_keying_interface"><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#aa6601819d376802e9698e815d00a5cba">GetValidKeyLength</a> (size_t keylength) const =0</td></tr>
<tr class="memdesc:aa6601819d376802e9698e815d00a5cba inherit pub_methods_class_simple_keying_interface"><td class="mdescLeft"> </td><td class="mdescRight">Returns a valid key length for the algorithm. <a href="class_simple_keying_interface.html#aa6601819d376802e9698e815d00a5cba">More...</a><br /></td></tr>
<tr class="separator:aa6601819d376802e9698e815d00a5cba inherit pub_methods_class_simple_keying_interface"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a597adcc7c00b5c14fa588276efeb613d inherit pub_methods_class_simple_keying_interface"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#a597adcc7c00b5c14fa588276efeb613d">IsValidKeyLength</a> (size_t keylength) const</td></tr>
<tr class="memdesc:a597adcc7c00b5c14fa588276efeb613d inherit pub_methods_class_simple_keying_interface"><td class="mdescLeft"> </td><td class="mdescRight">Returns whether keylength is a valid key length. <a href="class_simple_keying_interface.html#a597adcc7c00b5c14fa588276efeb613d">More...</a><br /></td></tr>
<tr class="separator:a597adcc7c00b5c14fa588276efeb613d inherit pub_methods_class_simple_keying_interface"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:adf3c29b3ef3af74788a58c7c49887fd7 inherit pub_methods_class_simple_keying_interface"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#adf3c29b3ef3af74788a58c7c49887fd7">SetKey</a> (const byte *key, size_t length, const <a class="el" href="class_name_value_pairs.html">NameValuePairs</a> &params=<a class="el" href="cryptlib_8h.html#a04be65ada92ccb1e6aac0d94b4cc394b">g_nullNameValuePairs</a>)</td></tr>
<tr class="memdesc:adf3c29b3ef3af74788a58c7c49887fd7 inherit pub_methods_class_simple_keying_interface"><td class="mdescLeft"> </td><td class="mdescRight">Sets or reset the key of this object. <a href="class_simple_keying_interface.html#adf3c29b3ef3af74788a58c7c49887fd7">More...</a><br /></td></tr>
<tr class="separator:adf3c29b3ef3af74788a58c7c49887fd7 inherit pub_methods_class_simple_keying_interface"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0401f9c67930805180964bc02ae0ac1c inherit pub_methods_class_simple_keying_interface"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#a0401f9c67930805180964bc02ae0ac1c">SetKeyWithRounds</a> (const byte *key, size_t length, int rounds)</td></tr>
<tr class="memdesc:a0401f9c67930805180964bc02ae0ac1c inherit pub_methods_class_simple_keying_interface"><td class="mdescLeft"> </td><td class="mdescRight">Sets or reset the key of this object. <a href="class_simple_keying_interface.html#a0401f9c67930805180964bc02ae0ac1c">More...</a><br /></td></tr>
<tr class="separator:a0401f9c67930805180964bc02ae0ac1c inherit pub_methods_class_simple_keying_interface"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a5b4e358c514fd743840967bc595a34c2 inherit pub_methods_class_simple_keying_interface"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#a5b4e358c514fd743840967bc595a34c2">SetKeyWithIV</a> (const byte *key, size_t length, const byte *iv, size_t ivLength)</td></tr>
<tr class="memdesc:a5b4e358c514fd743840967bc595a34c2 inherit pub_methods_class_simple_keying_interface"><td class="mdescLeft"> </td><td class="mdescRight">Sets or reset the key of this object. <a href="class_simple_keying_interface.html#a5b4e358c514fd743840967bc595a34c2">More...</a><br /></td></tr>
<tr class="separator:a5b4e358c514fd743840967bc595a34c2 inherit pub_methods_class_simple_keying_interface"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac25e27eaeae2e909741c07de93caef49 inherit pub_methods_class_simple_keying_interface"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#ac25e27eaeae2e909741c07de93caef49">SetKeyWithIV</a> (const byte *key, size_t length, const byte *iv)</td></tr>
<tr class="memdesc:ac25e27eaeae2e909741c07de93caef49 inherit pub_methods_class_simple_keying_interface"><td class="mdescLeft"> </td><td class="mdescRight">Sets or reset the key of this object. <a href="class_simple_keying_interface.html#ac25e27eaeae2e909741c07de93caef49">More...</a><br /></td></tr>
<tr class="separator:ac25e27eaeae2e909741c07de93caef49 inherit pub_methods_class_simple_keying_interface"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a867b535e5c4a11704d0645272e8b03f9 inherit pub_methods_class_simple_keying_interface"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_simple_keying_interface.html#a88201c180fbfaa9fef2715252546ad6e">IV_Requirement</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#a867b535e5c4a11704d0645272e8b03f9">IVRequirement</a> () const =0</td></tr>
<tr class="memdesc:a867b535e5c4a11704d0645272e8b03f9 inherit pub_methods_class_simple_keying_interface"><td class="mdescLeft"> </td><td class="mdescRight">Minimal requirement for secure IVs. <a href="class_simple_keying_interface.html#a867b535e5c4a11704d0645272e8b03f9">More...</a><br /></td></tr>
<tr class="separator:a867b535e5c4a11704d0645272e8b03f9 inherit pub_methods_class_simple_keying_interface"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a71039112353cc70e9859ebd95037cc1a inherit pub_methods_class_simple_keying_interface"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#a71039112353cc70e9859ebd95037cc1a">IsResynchronizable</a> () const</td></tr>
<tr class="memdesc:a71039112353cc70e9859ebd95037cc1a inherit pub_methods_class_simple_keying_interface"><td class="mdescLeft"> </td><td class="mdescRight">Determines if the object can be resynchronized. <a href="class_simple_keying_interface.html#a71039112353cc70e9859ebd95037cc1a">More...</a><br /></td></tr>
<tr class="separator:a71039112353cc70e9859ebd95037cc1a inherit pub_methods_class_simple_keying_interface"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa09fd0893ac8c6068e07ce30bb55c1d9 inherit pub_methods_class_simple_keying_interface"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#aa09fd0893ac8c6068e07ce30bb55c1d9">CanUseRandomIVs</a> () const</td></tr>
<tr class="memdesc:aa09fd0893ac8c6068e07ce30bb55c1d9 inherit pub_methods_class_simple_keying_interface"><td class="mdescLeft"> </td><td class="mdescRight">Determines if the object can use random IVs. <a href="class_simple_keying_interface.html#aa09fd0893ac8c6068e07ce30bb55c1d9">More...</a><br /></td></tr>
<tr class="separator:aa09fd0893ac8c6068e07ce30bb55c1d9 inherit pub_methods_class_simple_keying_interface"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab98803e8744b73663e7e9c872eef822b inherit pub_methods_class_simple_keying_interface"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#ab98803e8744b73663e7e9c872eef822b">CanUsePredictableIVs</a> () const</td></tr>
<tr class="memdesc:ab98803e8744b73663e7e9c872eef822b inherit pub_methods_class_simple_keying_interface"><td class="mdescLeft"> </td><td class="mdescRight">Determines if the object can use random but possibly predictable IVs. <a href="class_simple_keying_interface.html#ab98803e8744b73663e7e9c872eef822b">More...</a><br /></td></tr>
<tr class="separator:ab98803e8744b73663e7e9c872eef822b inherit pub_methods_class_simple_keying_interface"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afbf7065f7db5439d471d1bcc260d3bd5 inherit pub_methods_class_simple_keying_interface"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#afbf7065f7db5439d471d1bcc260d3bd5">CanUseStructuredIVs</a> () const</td></tr>
<tr class="memdesc:afbf7065f7db5439d471d1bcc260d3bd5 inherit pub_methods_class_simple_keying_interface"><td class="mdescLeft"> </td><td class="mdescRight">Determines if the object can use structured IVs. <a href="class_simple_keying_interface.html#afbf7065f7db5439d471d1bcc260d3bd5">More...</a><br /></td></tr>
<tr class="separator:afbf7065f7db5439d471d1bcc260d3bd5 inherit pub_methods_class_simple_keying_interface"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac6da9a8d3c783014ab54a2a3ee9e676a inherit pub_methods_class_simple_keying_interface"><td class="memItemLeft" align="right" valign="top">virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#ac6da9a8d3c783014ab54a2a3ee9e676a">IVSize</a> () const</td></tr>
<tr class="memdesc:ac6da9a8d3c783014ab54a2a3ee9e676a inherit pub_methods_class_simple_keying_interface"><td class="mdescLeft"> </td><td class="mdescRight">Returns length of the IV accepted by this object. <a href="class_simple_keying_interface.html#ac6da9a8d3c783014ab54a2a3ee9e676a">More...</a><br /></td></tr>
<tr class="separator:ac6da9a8d3c783014ab54a2a3ee9e676a inherit pub_methods_class_simple_keying_interface"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af2f7dd9da3a75651615b0ccae71f34a5 inherit pub_methods_class_simple_keying_interface"><td class="memItemLeft" align="right" valign="top">unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#af2f7dd9da3a75651615b0ccae71f34a5">DefaultIVLength</a> () const</td></tr>
<tr class="memdesc:af2f7dd9da3a75651615b0ccae71f34a5 inherit pub_methods_class_simple_keying_interface"><td class="mdescLeft"> </td><td class="mdescRight">Provides the default size of an IV. <a href="class_simple_keying_interface.html#af2f7dd9da3a75651615b0ccae71f34a5">More...</a><br /></td></tr>
<tr class="separator:af2f7dd9da3a75651615b0ccae71f34a5 inherit pub_methods_class_simple_keying_interface"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ab94b9751aba4f3660accb673095180c0 inherit pub_methods_class_simple_keying_interface"><td class="memItemLeft" align="right" valign="top">virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#ab94b9751aba4f3660accb673095180c0">MinIVLength</a> () const</td></tr>
<tr class="memdesc:ab94b9751aba4f3660accb673095180c0 inherit pub_methods_class_simple_keying_interface"><td class="mdescLeft"> </td><td class="mdescRight">Provides the minimum size of an IV. <a href="class_simple_keying_interface.html#ab94b9751aba4f3660accb673095180c0">More...</a><br /></td></tr>
<tr class="separator:ab94b9751aba4f3660accb673095180c0 inherit pub_methods_class_simple_keying_interface"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8fc07e61d83ce9639d9b3608fb5dd8cb inherit pub_methods_class_simple_keying_interface"><td class="memItemLeft" align="right" valign="top">virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#a8fc07e61d83ce9639d9b3608fb5dd8cb">MaxIVLength</a> () const</td></tr>
<tr class="memdesc:a8fc07e61d83ce9639d9b3608fb5dd8cb inherit pub_methods_class_simple_keying_interface"><td class="mdescLeft"> </td><td class="mdescRight">Provides the maximum size of an IV. <a href="class_simple_keying_interface.html#a8fc07e61d83ce9639d9b3608fb5dd8cb">More...</a><br /></td></tr>
<tr class="separator:a8fc07e61d83ce9639d9b3608fb5dd8cb inherit pub_methods_class_simple_keying_interface"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae576137a46ca56005e82f1505cf3cccc inherit pub_methods_class_simple_keying_interface"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#ae576137a46ca56005e82f1505cf3cccc">Resynchronize</a> (const byte *iv, int ivLength=-1)</td></tr>
<tr class="memdesc:ae576137a46ca56005e82f1505cf3cccc inherit pub_methods_class_simple_keying_interface"><td class="mdescLeft"> </td><td class="mdescRight">Resynchronize with an IV. <a href="class_simple_keying_interface.html#ae576137a46ca56005e82f1505cf3cccc">More...</a><br /></td></tr>
<tr class="separator:ae576137a46ca56005e82f1505cf3cccc inherit pub_methods_class_simple_keying_interface"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ac8277d1517add6fd455ca576bee57fe2 inherit pub_methods_class_simple_keying_interface"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#ac8277d1517add6fd455ca576bee57fe2">GetNextIV</a> (<a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng, byte *iv)</td></tr>
<tr class="memdesc:ac8277d1517add6fd455ca576bee57fe2 inherit pub_methods_class_simple_keying_interface"><td class="mdescLeft"> </td><td class="mdescRight">Retrieves a secure IV for the next message. <a href="class_simple_keying_interface.html#ac8277d1517add6fd455ca576bee57fe2">More...</a><br /></td></tr>
<tr class="separator:ac8277d1517add6fd455ca576bee57fe2 inherit pub_methods_class_simple_keying_interface"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_methods_class_block_transformation"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_block_transformation')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="class_block_transformation.html">BlockTransformation</a></td></tr>
<tr class="memitem:a93b18a5b11cd6f61bf19624192575d1d inherit pub_methods_class_block_transformation"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_block_transformation.html#a93b18a5b11cd6f61bf19624192575d1d">ProcessBlock</a> (const byte *inBlock, byte *outBlock) const</td></tr>
<tr class="memdesc:a93b18a5b11cd6f61bf19624192575d1d inherit pub_methods_class_block_transformation"><td class="mdescLeft"> </td><td class="mdescRight">Encrypt or decrypt a block. <a href="class_block_transformation.html#a93b18a5b11cd6f61bf19624192575d1d">More...</a><br /></td></tr>
<tr class="separator:a93b18a5b11cd6f61bf19624192575d1d inherit pub_methods_class_block_transformation"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ace6715ffdfd9ffa00182de8462ea6c4b inherit pub_methods_class_block_transformation"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_block_transformation.html#ace6715ffdfd9ffa00182de8462ea6c4b">ProcessBlock</a> (byte *inoutBlock) const</td></tr>
<tr class="memdesc:ace6715ffdfd9ffa00182de8462ea6c4b inherit pub_methods_class_block_transformation"><td class="mdescLeft"> </td><td class="mdescRight">Encrypt or decrypt a block in place. <a href="class_block_transformation.html#ace6715ffdfd9ffa00182de8462ea6c4b">More...</a><br /></td></tr>
<tr class="separator:ace6715ffdfd9ffa00182de8462ea6c4b inherit pub_methods_class_block_transformation"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:adfdb78b033996020435c3dcffdca76ce inherit pub_methods_class_block_transformation"><td class="memItemLeft" align="right" valign="top">virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_block_transformation.html#adfdb78b033996020435c3dcffdca76ce">BlockSize</a> () const =0</td></tr>
<tr class="memdesc:adfdb78b033996020435c3dcffdca76ce inherit pub_methods_class_block_transformation"><td class="mdescLeft"> </td><td class="mdescRight">Provides the block size of the cipher. <a href="class_block_transformation.html#adfdb78b033996020435c3dcffdca76ce">More...</a><br /></td></tr>
<tr class="separator:adfdb78b033996020435c3dcffdca76ce inherit pub_methods_class_block_transformation"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa4118be8bfaf6772a9a8e03dd450614b inherit pub_methods_class_block_transformation"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_block_transformation.html#aa4118be8bfaf6772a9a8e03dd450614b">IsPermutation</a> () const</td></tr>
<tr class="memdesc:aa4118be8bfaf6772a9a8e03dd450614b inherit pub_methods_class_block_transformation"><td class="mdescLeft"> </td><td class="mdescRight">Determines if the transformation is a permutation. <a href="class_block_transformation.html#aa4118be8bfaf6772a9a8e03dd450614b">More...</a><br /></td></tr>
<tr class="separator:aa4118be8bfaf6772a9a8e03dd450614b inherit pub_methods_class_block_transformation"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a50f2565057bc9ba7bb70a98d9c9b39cd inherit pub_methods_class_block_transformation"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_block_transformation.html#a50f2565057bc9ba7bb70a98d9c9b39cd">IsForwardTransformation</a> () const =0</td></tr>
<tr class="memdesc:a50f2565057bc9ba7bb70a98d9c9b39cd inherit pub_methods_class_block_transformation"><td class="mdescLeft"> </td><td class="mdescRight">Determines if the cipher is being operated in its forward direction. <a href="class_block_transformation.html#a50f2565057bc9ba7bb70a98d9c9b39cd">More...</a><br /></td></tr>
<tr class="separator:a50f2565057bc9ba7bb70a98d9c9b39cd inherit pub_methods_class_block_transformation"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9ee1da34a4c957d4be87d2b0469806b0 inherit pub_methods_class_block_transformation"><td class="memItemLeft" align="right" valign="top">virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_block_transformation.html#a9ee1da34a4c957d4be87d2b0469806b0">OptimalNumberOfParallelBlocks</a> () const</td></tr>
<tr class="memdesc:a9ee1da34a4c957d4be87d2b0469806b0 inherit pub_methods_class_block_transformation"><td class="mdescLeft"> </td><td class="mdescRight">Determines the number of blocks that can be processed in parallel. <a href="class_block_transformation.html#a9ee1da34a4c957d4be87d2b0469806b0">More...</a><br /></td></tr>
<tr class="separator:a9ee1da34a4c957d4be87d2b0469806b0 inherit pub_methods_class_block_transformation"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a73ad0afb596da5f7e1f26ddf47394afb inherit pub_methods_class_block_transformation"><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_block_transformation.html#a73ad0afb596da5f7e1f26ddf47394afb">AdvancedProcessBlocks</a> (const byte *inBlocks, const byte *xorBlocks, byte *outBlocks, size_t length, word32 flags) const</td></tr>
<tr class="memdesc:a73ad0afb596da5f7e1f26ddf47394afb inherit pub_methods_class_block_transformation"><td class="mdescLeft"> </td><td class="mdescRight">Encrypt and xor multiple blocks using additional flags. <a href="class_block_transformation.html#a73ad0afb596da5f7e1f26ddf47394afb">More...</a><br /></td></tr>
<tr class="separator:a73ad0afb596da5f7e1f26ddf47394afb inherit pub_methods_class_block_transformation"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a91b351e01288f31eccb3b42bc096c2ba inherit pub_methods_class_block_transformation"><td class="memItemLeft" align="right" valign="top"><a class="el" href="cryptlib_8h.html#a353ccabf5ddc119a6a33e92f7b9961c7">CipherDir</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_block_transformation.html#a91b351e01288f31eccb3b42bc096c2ba">GetCipherDirection</a> () const</td></tr>
<tr class="memdesc:a91b351e01288f31eccb3b42bc096c2ba inherit pub_methods_class_block_transformation"><td class="mdescLeft"> </td><td class="mdescRight">Provides the direction of the cipher. <a href="class_block_transformation.html#a91b351e01288f31eccb3b42bc096c2ba">More...</a><br /></td></tr>
<tr class="separator:a91b351e01288f31eccb3b42bc096c2ba inherit pub_methods_class_block_transformation"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_methods_class_algorithm"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_algorithm')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="class_algorithm.html">Algorithm</a></td></tr>
<tr class="memitem:a1c77f5117ca2cd881baf26a364cfc606 inherit pub_methods_class_algorithm"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_algorithm.html#a1c77f5117ca2cd881baf26a364cfc606">Algorithm</a> (bool checkSelfTestStatus=true)</td></tr>
<tr class="memdesc:a1c77f5117ca2cd881baf26a364cfc606 inherit pub_methods_class_algorithm"><td class="mdescLeft"> </td><td class="mdescRight">Interface for all crypto algorithms. <a href="class_algorithm.html#a1c77f5117ca2cd881baf26a364cfc606">More...</a><br /></td></tr>
<tr class="separator:a1c77f5117ca2cd881baf26a364cfc606 inherit pub_methods_class_algorithm"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a4f31510a192d1121856efe8ad0a9b844 inherit pub_methods_class_algorithm"><td class="memItemLeft" align="right" valign="top">virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="class_algorithm.html#a4f31510a192d1121856efe8ad0a9b844">AlgorithmName</a> () const</td></tr>
<tr class="memdesc:a4f31510a192d1121856efe8ad0a9b844 inherit pub_methods_class_algorithm"><td class="mdescLeft"> </td><td class="mdescRight">Provides the name of this algorithm. <a href="class_algorithm.html#a4f31510a192d1121856efe8ad0a9b844">More...</a><br /></td></tr>
<tr class="separator:a4f31510a192d1121856efe8ad0a9b844 inherit pub_methods_class_algorithm"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_methods_class_clonable"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_class_clonable')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="class_clonable.html">Clonable</a></td></tr>
<tr class="memitem:ad0016ba2d505c23aa85aad49e6c19bb7 inherit pub_methods_class_clonable"><td class="memItemLeft" align="right" valign="top">virtual <a class="el" href="class_clonable.html">Clonable</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_clonable.html#ad0016ba2d505c23aa85aad49e6c19bb7">Clone</a> () const</td></tr>
<tr class="memdesc:ad0016ba2d505c23aa85aad49e6c19bb7 inherit pub_methods_class_clonable"><td class="mdescLeft"> </td><td class="mdescRight">Copies this object. <a href="class_clonable.html#ad0016ba2d505c23aa85aad49e6c19bb7">More...</a><br /></td></tr>
<tr class="separator:ad0016ba2d505c23aa85aad49e6c19bb7 inherit pub_methods_class_clonable"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_types_class_simple_keying_interface"><td colspan="2" onclick="javascript:toggleInherit('pub_types_class_simple_keying_interface')"><img src="closed.png" alt="-"/> Public Types inherited from <a class="el" href="class_simple_keying_interface.html">SimpleKeyingInterface</a></td></tr>
<tr class="memitem:a88201c180fbfaa9fef2715252546ad6e inherit pub_types_class_simple_keying_interface"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#a88201c180fbfaa9fef2715252546ad6e">IV_Requirement</a> { <br />
  <a class="el" href="class_simple_keying_interface.html#a88201c180fbfaa9fef2715252546ad6ea1cc32e69fe4f385e54d9d482a2ab5a56">UNIQUE_IV</a> = 0,
<a class="el" href="class_simple_keying_interface.html#a88201c180fbfaa9fef2715252546ad6ea4520c4379ee3a1aed95a36e2235ba338">RANDOM_IV</a>,
<a class="el" href="class_simple_keying_interface.html#a88201c180fbfaa9fef2715252546ad6eaceff3ad4b12bcb6d7b61a5bd543a815c">UNPREDICTABLE_RANDOM_IV</a>,
<a class="el" href="class_simple_keying_interface.html#a88201c180fbfaa9fef2715252546ad6eab659bf6d2c470c50c14bfbab5b2d45ab">INTERNALLY_GENERATED_IV</a>,
<br />
  <a class="el" href="class_simple_keying_interface.html#a88201c180fbfaa9fef2715252546ad6eac1d24de3dedd05c28516f452d3ace417">NOT_RESYNCHRONIZABLE</a>
<br />
}</td></tr>
<tr class="memdesc:a88201c180fbfaa9fef2715252546ad6e"><td class="mdescLeft"> </td><td class="mdescRight">Secure IVs requirements as enumerated values. <a href="class_simple_keying_interface.html#a88201c180fbfaa9fef2715252546ad6e">More...</a><br /></td></tr>
<tr class="separator:a88201c180fbfaa9fef2715252546ad6e inherit pub_types_class_simple_keying_interface"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_types_class_block_transformation"><td colspan="2" onclick="javascript:toggleInherit('pub_types_class_block_transformation')"><img src="closed.png" alt="-"/> Public Types inherited from <a class="el" href="class_block_transformation.html">BlockTransformation</a></td></tr>
<tr class="memitem:adec6c003f0e1539c0a9da64e2d17352d inherit pub_types_class_block_transformation"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="class_block_transformation.html#adec6c003f0e1539c0a9da64e2d17352d">FlagsForAdvancedProcessBlocks</a> { <br />
  <a class="el" href="class_block_transformation.html#adec6c003f0e1539c0a9da64e2d17352da29b5a55fe327fe4764833fd427298deb">BT_InBlockIsCounter</a> =1,
<a class="el" href="class_block_transformation.html#adec6c003f0e1539c0a9da64e2d17352dab4c0ce98fee079d801069d4252f6c345">BT_DontIncrementInOutPointers</a> =2,
<a class="el" href="class_block_transformation.html#adec6c003f0e1539c0a9da64e2d17352da692d5da11e5444e32f6e4e091623eaab">BT_XorInput</a> =4,
<a class="el" href="class_block_transformation.html#adec6c003f0e1539c0a9da64e2d17352da4123a7839e78785bd6495ac651c06855">BT_ReverseDirection</a> =8,
<br />
  <a class="el" href="class_block_transformation.html#adec6c003f0e1539c0a9da64e2d17352dab263d9d3939b425f3f36b10e8990a525">BT_AllowParallel</a> =16
<br />
}</td></tr>
<tr class="memdesc:adec6c003f0e1539c0a9da64e2d17352d"><td class="mdescLeft"> </td><td class="mdescRight">Bit flags that control <a class="el" href="class_block_transformation.html#a73ad0afb596da5f7e1f26ddf47394afb" title="Encrypt and xor multiple blocks using additional flags. ">AdvancedProcessBlocks()</a> behavior. <a href="class_block_transformation.html#adec6c003f0e1539c0a9da64e2d17352d">More...</a><br /></td></tr>
<tr class="separator:adec6c003f0e1539c0a9da64e2d17352d inherit pub_types_class_block_transformation"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a class="el" href="class_s_a_f_e_r.html" title="SAFER block cipher. ">SAFER</a> block cipher decryption operation. </p>
<p class="definition">Definition at line <a class="el" href="safer_8h_source.html#l00041">41</a> of file <a class="el" href="safer_8h_source.html">safer.h</a>.</p>
</div><h2 class="groupheader">Member Function Documentation</h2>
<a id="a094105c91af621b22c42bb487c57c2fe"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a094105c91af621b22c42bb487c57c2fe">◆ </a></span>ProcessAndXorBlock()</h2>
<div class="memitem">
<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
<tr>
<td class="memname">void SAFER::Dec::ProcessAndXorBlock </td>
<td>(</td>
<td class="paramtype">const byte * </td>
<td class="paramname"><em>inBlock</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const byte * </td>
<td class="paramname"><em>xorBlock</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">byte * </td>
<td class="paramname"><em>outBlock</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td> const</td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>Encrypt or decrypt a block. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">inBlock</td><td>the input message before processing </td></tr>
<tr><td class="paramname">outBlock</td><td>the output message after processing </td></tr>
<tr><td class="paramname">xorBlock</td><td>an optional XOR mask</td></tr>
</table>
</dd>
</dl>
<p>ProcessAndXorBlock encrypts or decrypts inBlock, xor with xorBlock, and write to outBlock.</p>
<p>The size of the block is determined by the block cipher and its documentation. Use BLOCKSIZE at compile time, or <a class="el" href="class_block_transformation.html#adfdb78b033996020435c3dcffdca76ce" title="Provides the block size of the cipher. ">BlockSize()</a> at runtime. </p><dl class="section note"><dt>Note</dt><dd>The message can be transformed in-place, or the buffers must <em>not</em> overlap </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="class_fixed_block_size.html" title="Inherited by algorithms with fixed block size. ">FixedBlockSize</a>, <a class="el" href="class_block_cipher_final.html" title="Provides class member functions to key a block cipher. ">BlockCipherFinal</a> from <a class="el" href="seckey_8h.html" title="Classes and functions for implementing secret key algorithms. ">seckey.h</a> and <a class="el" href="class_block_transformation.html#adfdb78b033996020435c3dcffdca76ce" title="Provides the block size of the cipher. ">BlockSize()</a> </dd></dl>
<p>Implements <a class="el" href="class_block_transformation.html#a1904cf145e4c5c650dd7aff32f54e153">BlockTransformation</a>.</p>
<p class="definition">Definition at line <a class="el" href="safer_8cpp_source.html#l00131">131</a> of file <a class="el" href="safer_8cpp_source.html">safer.cpp</a>.</p>
</div>
</div>
<hr/>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="safer_8h_source.html">safer.h</a></li>
<li><a class="el" href="safer_8cpp_source.html">safer.cpp</a></li>
</ul>
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