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<h1>DMAC< T > Class Template Reference</h1><!-- doxytag: class="DMAC" --><!-- doxytag: inherits="MessageAuthenticationCodeFinal< DMAC_Base< T > >" -->
<p><a class="el" href="class_d_m_a_c.html" title="DMAC.">DMAC</a>.
<a href="#_details">More...</a></p>
<p><code>#include <<a class="el" href="dmac_8h_source.html">dmac.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for DMAC< T >:</div>
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<img src="class_d_m_a_c.gif" usemap="#DMAC< T >_map" alt=""/>
<map id="DMAC< T >_map" name="DMAC< T >_map">
<area href="class_message_authentication_code_final.html" alt="MessageAuthenticationCodeFinal< DMAC_Base< T > >" shape="rect" coords="377,504,1122,528"/>
<area href="class_clonable_impl.html" alt="ClonableImpl< MessageAuthenticationCodeFinal< DMAC_Base< T > >, MessageAuthenticationCodeImpl< DMAC_Base< T > > >" shape="rect" coords="377,448,1122,472"/>
<area href="class_message_authentication_code_impl.html" alt="MessageAuthenticationCodeImpl< DMAC_Base< T > >" shape="rect" coords="377,392,1122,416"/>
<area href="class_algorithm_impl.html" alt="AlgorithmImpl< SimpleKeyingInterfaceImpl< DMAC_Base< T >, DMAC_Base< T > >, DMAC_Base< T > >" shape="rect" coords="377,336,1122,360"/>
<area href="class_simple_keying_interface_impl.html" alt="SimpleKeyingInterfaceImpl< DMAC_Base< T >, DMAC_Base< T > >" shape="rect" coords="377,280,1122,304"/>
<area href="class_d_m_a_c___base.html" alt="DMAC_Base< T >" shape="rect" coords="377,224,1122,248"/>
<area href="class_same_key_length_as.html" alt="SameKeyLengthAs< T >" shape="rect" coords="0,168,745,192"/>
<area href="class_message_authentication_code.html" alt="MessageAuthenticationCode" shape="rect" coords="755,168,1500,192"/>
<area href="class_simple_keying_interface.html" alt="SimpleKeyingInterface" shape="rect" coords="377,112,1122,136"/>
<area href="class_hash_transformation.html" alt="HashTransformation" shape="rect" coords="1132,112,1877,136"/>
<area href="class_algorithm.html" alt="Algorithm" shape="rect" coords="1132,56,1877,80"/>
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<p><a href="class_d_m_a_c-members.html">List of all members.</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Public Types</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum </td><td class="memItemRight" valign="bottom"><b>IV_Requirement</b> { <br/>
<b>UNIQUE_IV</b> = 0,
<b>RANDOM_IV</b>,
<b>UNPREDICTABLE_RANDOM_IV</b>,
<b>INTERNALLY_GENERATED_IV</b>,
<br/>
<b>NOT_RESYNCHRONIZABLE</b>
<br/>
}</td></tr>
<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a52fac17929c02766ec6d75b2d1bf6521"></a><!-- doxytag: member="DMAC::DMAC" ref="a52fac17929c02766ec6d75b2d1bf6521" args="(const byte *key, size_t length=DMAC_Base< T >::DEFAULT_KEYLENGTH)" -->
</td><td class="memItemRight" valign="bottom"><b>DMAC</b> (const byte *key, size_t length=<a class="el" href="class_d_m_a_c___base.html">DMAC_Base</a>< T >::DEFAULT_KEYLENGTH)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8aa4807d12b2c4653d2d6c69f3c51f53"></a><!-- doxytag: member="DMAC::Clone" ref="a8aa4807d12b2c4653d2d6c69f3c51f53" args="() const" -->
<a class="el" href="class_clonable.html">Clonable</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_clonable_impl.html#a8aa4807d12b2c4653d2d6c69f3c51f53">Clone</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">this is not implemented by most classes yet <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9d6e3714fc32c36789147d9f3b627eeb"></a><!-- doxytag: member="DMAC::AlgorithmName" ref="a9d6e3714fc32c36789147d9f3b627eeb" args="() const" -->
std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="class_algorithm_impl.html#a9d6e3714fc32c36789147d9f3b627eeb">AlgorithmName</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns name of this algorithm, not universally implemented yet <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a437f1750a197a9d096494b8eda353ad6"></a><!-- doxytag: member="DMAC::MinKeyLength" ref="a437f1750a197a9d096494b8eda353ad6" args="() const" -->
size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface_impl.html#a437f1750a197a9d096494b8eda353ad6">MinKeyLength</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns smallest valid key length in bytes */ <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="adaf10ed98686b42af60c53ade077dc71"></a><!-- doxytag: member="DMAC::MaxKeyLength" ref="adaf10ed98686b42af60c53ade077dc71" args="() const" -->
size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface_impl.html#adaf10ed98686b42af60c53ade077dc71">MaxKeyLength</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns largest valid key length in bytes */ <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2d7c4f971e1010adfe3ecfed2c7bb8b1"></a><!-- doxytag: member="DMAC::DefaultKeyLength" ref="a2d7c4f971e1010adfe3ecfed2c7bb8b1" args="() const" -->
size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface_impl.html#a2d7c4f971e1010adfe3ecfed2c7bb8b1">DefaultKeyLength</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns default (recommended) key length in bytes */ <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a306bca2a1039461b70c23a25ae986ae1"></a><!-- doxytag: member="DMAC::GetValidKeyLength" ref="a306bca2a1039461b70c23a25ae986ae1" args="(size_t n) const" -->
size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface_impl.html#a306bca2a1039461b70c23a25ae986ae1">GetValidKeyLength</a> (size_t n) const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns the smallest valid key length in bytes that is >= min(n, GetMaxKeyLength()) <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a54324ffa15c71f8c2e8c3386c7038ef1"></a><!-- doxytag: member="DMAC::IVRequirement" ref="a54324ffa15c71f8c2e8c3386c7038ef1" args="() const" -->
SimpleKeyingInterface::IV_Requirement </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface_impl.html#a54324ffa15c71f8c2e8c3386c7038ef1">IVRequirement</a> () const</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns the minimal requirement for secure IVs <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae20cfc26822b50a6eee237565725edc7"></a><!-- doxytag: member="DMAC::IVSize" ref="ae20cfc26822b50a6eee237565725edc7" args="() const" -->
unsigned int </td><td class="memItemRight" valign="bottom"><b>IVSize</b> () const</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a026cf284eb700742dc1dcb4387bd3022"></a><!-- doxytag: member="DMAC::UncheckedSetKey" ref="a026cf284eb700742dc1dcb4387bd3022" args="(const byte *key, unsigned int length, const NameValuePairs &params)" -->
void </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> &params)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2b03546cff8891451c480c18391d83a5"></a><!-- doxytag: member="DMAC::Update" ref="a2b03546cff8891451c480c18391d83a5" args="(const byte *input, size_t length)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_m_a_c___base.html#a2b03546cff8891451c480c18391d83a5">Update</a> (const byte *input, size_t length)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">process more input <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a32251a90087b43d30ea5c4698cd7ecf9"></a><!-- doxytag: member="DMAC::TruncatedFinal" ref="a32251a90087b43d30ea5c4698cd7ecf9" args="(byte *mac, size_t size)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_m_a_c___base.html#a32251a90087b43d30ea5c4698cd7ecf9">TruncatedFinal</a> (byte *mac, size_t size)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">truncated version of <a class="el" href="class_hash_transformation.html#aa0b8c7a110d8968268fd02ec32b9a8e8" title="compute hash for current message, then restart for a new message">Final()</a> <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad17c503a5cf6e6f27f2898a0fb1e8a95"></a><!-- doxytag: member="DMAC::DigestSize" ref="ad17c503a5cf6e6f27f2898a0fb1e8a95" args="() const " -->
unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_m_a_c___base.html#ad17c503a5cf6e6f27f2898a0fb1e8a95">DigestSize</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">size of the hash/digest/MAC returned by <a class="el" href="class_hash_transformation.html#aa0b8c7a110d8968268fd02ec32b9a8e8" title="compute hash for current message, then restart for a new message">Final()</a> <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a024f23c0a094ee46094f69ffefb91d17"></a><!-- doxytag: member="DMAC::IsValidKeyLength" ref="a024f23c0a094ee46094f69ffefb91d17" args="(size_t n) const " -->
virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#a024f23c0a094ee46094f69ffefb91d17">IsValidKeyLength</a> (size_t n) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns whether n is a valid key length <br/></td></tr>
<tr><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#ad3205973dd1afa14090a683154c1109c">g_nullNameValuePairs</a>)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">set or reset the key of this object <a href="#adf3c29b3ef3af74788a58c7c49887fd7"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0401f9c67930805180964bc02ae0ac1c"></a><!-- doxytag: member="DMAC::SetKeyWithRounds" ref="a0401f9c67930805180964bc02ae0ac1c" args="(const byte *key, size_t length, int rounds)" -->
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><td class="mdescLeft"> </td><td class="mdescRight">calls <a class="el" href="class_simple_keying_interface.html#adf3c29b3ef3af74788a58c7c49887fd7" 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" align="right" valign="top"><a class="anchor" id="a5b4e358c514fd743840967bc595a34c2"></a><!-- doxytag: member="DMAC::SetKeyWithIV" ref="a5b4e358c514fd743840967bc595a34c2" args="(const byte *key, size_t length, const byte *iv, size_t ivLength)" -->
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><td class="mdescLeft"> </td><td class="mdescRight">calls <a class="el" href="class_simple_keying_interface.html#adf3c29b3ef3af74788a58c7c49887fd7" 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" align="right" valign="top"><a class="anchor" id="ac25e27eaeae2e909741c07de93caef49"></a><!-- doxytag: member="DMAC::SetKeyWithIV" ref="ac25e27eaeae2e909741c07de93caef49" args="(const byte *key, size_t length, const byte *iv)" -->
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><td class="mdescLeft"> </td><td class="mdescRight">calls <a class="el" href="class_simple_keying_interface.html#adf3c29b3ef3af74788a58c7c49887fd7" 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" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#ad263f4a96fa8b4e7d01fea8ccaae9d3b">IsResynchronizable</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns whether this object can be resynchronized (i.e. supports initialization vectors) <a href="#ad263f4a96fa8b4e7d01fea8ccaae9d3b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a26680fc02b91534a522b5754cdcdcb46"></a><!-- doxytag: member="DMAC::CanUseRandomIVs" ref="a26680fc02b91534a522b5754cdcdcb46" args="() const " -->
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#a26680fc02b91534a522b5754cdcdcb46">CanUseRandomIVs</a> () const </td></tr>
<tr><td class="mdescLeft"> </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" align="right" valign="top"><a class="anchor" id="a307463503d7a4400ffafe03a683e1dbb"></a><!-- doxytag: member="DMAC::CanUsePredictableIVs" ref="a307463503d7a4400ffafe03a683e1dbb" args="() const " -->
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#a307463503d7a4400ffafe03a683e1dbb">CanUsePredictableIVs</a> () const </td></tr>
<tr><td class="mdescLeft"> </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" align="right" valign="top"><a class="anchor" id="a9c47590ef06335b34bdaf272fd37ef4d"></a><!-- doxytag: member="DMAC::CanUseStructuredIVs" ref="a9c47590ef06335b34bdaf272fd37ef4d" args="() const " -->
bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#a9c47590ef06335b34bdaf272fd37ef4d">CanUseStructuredIVs</a> () const </td></tr>
<tr><td class="mdescLeft"> </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" align="right" valign="top"><a class="anchor" id="a5b2090b3c27540aa3db0281406fedb38"></a><!-- doxytag: member="DMAC::DefaultIVLength" ref="a5b2090b3c27540aa3db0281406fedb38" args="() const " -->
unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#a5b2090b3c27540aa3db0281406fedb38">DefaultIVLength</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns default length of IVs accepted by this object <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4450efa449a2e04a31b6371821e650f9"></a><!-- doxytag: member="DMAC::MinIVLength" ref="a4450efa449a2e04a31b6371821e650f9" args="() const " -->
virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#a4450efa449a2e04a31b6371821e650f9">MinIVLength</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns minimal length of IVs accepted by this object <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a308799c135440e57a583defe3860f02e"></a><!-- doxytag: member="DMAC::MaxIVLength" ref="a308799c135440e57a583defe3860f02e" args="() const " -->
virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#a308799c135440e57a583defe3860f02e">MaxIVLength</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns maximal length of IVs accepted by this object <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae576137a46ca56005e82f1505cf3cccc"></a><!-- doxytag: member="DMAC::Resynchronize" ref="ae576137a46ca56005e82f1505cf3cccc" args="(const byte *iv, int ivLength=-1)" -->
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><td class="mdescLeft"> </td><td class="mdescRight">resynchronize with an IV. ivLength=-1 means use IVSize() <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#a917224bb6df7431d6469e7a10feac5fa">GetNextIV</a> (<a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> &rng, byte *IV)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">get a secure IV for the next message <a href="#a917224bb6df7431d6469e7a10feac5fa"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="class_hash_transformation.html">HashTransformation</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#a39b0a4c4cdc11fda358f9975b5e4137e">Ref</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">return a reference to this object, <a href="#a39b0a4c4cdc11fda358f9975b5e4137e"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9fc0b332ef36900ca6ea5d949e95aba1"></a><!-- doxytag: member="DMAC::CreateUpdateSpace" ref="a9fc0b332ef36900ca6ea5d949e95aba1" args="(size_t &size)" -->
virtual byte * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#a9fc0b332ef36900ca6ea5d949e95aba1">CreateUpdateSpace</a> (size_t &size)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">request space to write input into <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#aa0b8c7a110d8968268fd02ec32b9a8e8">Final</a> (byte *digest)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">compute hash for current message, then restart for a new message <a href="#aa0b8c7a110d8968268fd02ec32b9a8e8"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a92752eebac10497211d7a065faba8725"></a><!-- doxytag: member="DMAC::Restart" ref="a92752eebac10497211d7a065faba8725" args="()" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#a92752eebac10497211d7a065faba8725">Restart</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">discard the current state, and restart with a new message <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5e847d65a38ec354de1b28cc4bc66a81"></a><!-- doxytag: member="DMAC::TagSize" ref="a5e847d65a38ec354de1b28cc4bc66a81" args="() const " -->
unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#a5e847d65a38ec354de1b28cc4bc66a81">TagSize</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">same as <a class="el" href="class_hash_transformation.html#a9f42cc280bac76b884ad12615c0dabb5" title="size of the hash/digest/MAC returned by Final()">DigestSize()</a> <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab5507c62376f6bea41d53ae9544d0ff0"></a><!-- doxytag: member="DMAC::BlockSize" ref="ab5507c62376f6bea41d53ae9544d0ff0" args="() const " -->
virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#ab5507c62376f6bea41d53ae9544d0ff0">BlockSize</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">block size of underlying compression function, or 0 if not block based <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a981fce3f7d06c1f4ab2da853a1cf429d"></a><!-- doxytag: member="DMAC::OptimalBlockSize" ref="a981fce3f7d06c1f4ab2da853a1cf429d" args="() const " -->
virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#a981fce3f7d06c1f4ab2da853a1cf429d">OptimalBlockSize</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">input to <a class="el" href="class_hash_transformation.html#aafabefaf445b65d3ba0d8e1c0294afe5" title="process more input">Update()</a> should have length a multiple of this for optimal speed <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad44c14bc654ba3be366da88e0a27f169"></a><!-- doxytag: member="DMAC::OptimalDataAlignment" ref="ad44c14bc654ba3be366da88e0a27f169" args="() const " -->
virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#ad44c14bc654ba3be366da88e0a27f169">OptimalDataAlignment</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">returns how input should be aligned for optimal performance <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af8124c4fca23b74bbdc43660bdae692c"></a><!-- doxytag: member="DMAC::CalculateDigest" ref="af8124c4fca23b74bbdc43660bdae692c" args="(byte *digest, const byte *input, size_t length)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#af8124c4fca23b74bbdc43660bdae692c">CalculateDigest</a> (byte *digest, const byte *input, size_t length)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">use this if your input is in one piece and you don't want to call <a class="el" href="class_hash_transformation.html#aafabefaf445b65d3ba0d8e1c0294afe5" title="process more input">Update()</a> and <a class="el" href="class_hash_transformation.html#aa0b8c7a110d8968268fd02ec32b9a8e8" title="compute hash for current message, then restart for a new message">Final()</a> separately <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#a16c4aecd047015d513feef4ed5b929ba">Verify</a> (const byte *digest)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">verify that digest is a valid digest for the current message, then reinitialize the object <a href="#a16c4aecd047015d513feef4ed5b929ba"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="acad96df68e70d922683e5063057130b2"></a><!-- doxytag: member="DMAC::VerifyDigest" ref="acad96df68e70d922683e5063057130b2" args="(const byte *digest, const byte *input, size_t length)" -->
virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#acad96df68e70d922683e5063057130b2">VerifyDigest</a> (const byte *digest, const byte *input, size_t length)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">use this if your input is in one piece and you don't want to call <a class="el" href="class_hash_transformation.html#aafabefaf445b65d3ba0d8e1c0294afe5" title="process more input">Update()</a> and <a class="el" href="class_hash_transformation.html#a16c4aecd047015d513feef4ed5b929ba" title="verify that digest is a valid digest for the current message, then reinitialize the...">Verify()</a> separately <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0b6917657eaec935750fd83e28270d76"></a><!-- doxytag: member="DMAC::CalculateTruncatedDigest" ref="a0b6917657eaec935750fd83e28270d76" args="(byte *digest, size_t digestSize, const byte *input, size_t length)" -->
virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#a0b6917657eaec935750fd83e28270d76">CalculateTruncatedDigest</a> (byte *digest, size_t digestSize, const byte *input, size_t length)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">truncated version of <a class="el" href="class_hash_transformation.html#af8124c4fca23b74bbdc43660bdae692c" title="use this if your input is in one piece and you don't want to call Update() and...">CalculateDigest()</a> <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a0f6069eadf492d970c3eb8cdf656e742"></a><!-- doxytag: member="DMAC::TruncatedVerify" ref="a0f6069eadf492d970c3eb8cdf656e742" args="(const byte *digest, size_t digestLength)" -->
virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#a0f6069eadf492d970c3eb8cdf656e742">TruncatedVerify</a> (const byte *digest, size_t digestLength)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">truncated version of <a class="el" href="class_hash_transformation.html#a16c4aecd047015d513feef4ed5b929ba" title="verify that digest is a valid digest for the current message, then reinitialize the...">Verify()</a> <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7958e99717019e8b9f91672bdfe9e086"></a><!-- doxytag: member="DMAC::VerifyTruncatedDigest" ref="a7958e99717019e8b9f91672bdfe9e086" args="(const byte *digest, size_t digestLength, const byte *input, size_t length)" -->
virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#a7958e99717019e8b9f91672bdfe9e086">VerifyTruncatedDigest</a> (const byte *digest, size_t digestLength, const byte *input, size_t length)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">truncated version of <a class="el" href="class_hash_transformation.html#acad96df68e70d922683e5063057130b2" title="use this if your input is in one piece and you don't want to call Update() and...">VerifyDigest()</a> <br/></td></tr>
<tr><td colspan="2"><h2>Static Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4d608152f1b6ef03772d9b9616d6ab86"></a><!-- doxytag: member="DMAC::StaticAlgorithmName" ref="a4d608152f1b6ef03772d9b9616d6ab86" args="()" -->
static std::string __cdecl </td><td class="memItemRight" valign="bottom"><b>StaticAlgorithmName</b> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad1427c116ee54d7bc4309c8dd2ae3531"></a><!-- doxytag: member="DMAC::StaticGetValidKeyLength" ref="ad1427c116ee54d7bc4309c8dd2ae3531" args="(size_t keylength)" -->
static size_t __cdecl </td><td class="memItemRight" valign="bottom"><b>StaticGetValidKeyLength</b> (size_t keylength)</td></tr>
<tr><td colspan="2"><h2>Static Public Attributes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a60f565079392e3fc0de1007453513422"></a><!-- doxytag: member="DMAC::DIGESTSIZE" ref="a60f565079392e3fc0de1007453513422" args="" -->
static const int </td><td class="memItemRight" valign="bottom"><b>DIGESTSIZE</b> = T::BLOCKSIZE</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a527f2760da06bc768e5dbeab732392ee"></a><!-- doxytag: member="DMAC::MIN_KEYLENGTH" ref="a527f2760da06bc768e5dbeab732392ee" args="" -->
static const int </td><td class="memItemRight" valign="bottom"><b>MIN_KEYLENGTH</b></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa4474256666f0a2fe2428164e95dabb4"></a><!-- doxytag: member="DMAC::MAX_KEYLENGTH" ref="aa4474256666f0a2fe2428164e95dabb4" args="" -->
static const int </td><td class="memItemRight" valign="bottom"><b>MAX_KEYLENGTH</b></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2178ba0a86c81fa36ab235c748062b2e"></a><!-- doxytag: member="DMAC::DEFAULT_KEYLENGTH" ref="a2178ba0a86c81fa36ab235c748062b2e" args="" -->
static const int </td><td class="memItemRight" valign="bottom"><b>DEFAULT_KEYLENGTH</b></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1b7699903c1c89fc6c8dcf76ae7abd7c"></a><!-- doxytag: member="DMAC::IV_REQUIREMENT" ref="a1b7699903c1c89fc6c8dcf76ae7abd7c" args="" -->
static const int </td><td class="memItemRight" valign="bottom"><b>IV_REQUIREMENT</b></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="acb6c95b5e235a10e50dd7e4d25faecfe"></a><!-- doxytag: member="DMAC::IV_LENGTH" ref="acb6c95b5e235a10e50dd7e4d25faecfe" args="" -->
static const int </td><td class="memItemRight" valign="bottom"><b>IV_LENGTH</b></td></tr>
<tr><td colspan="2"><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2e3a8b3f8e5cf8599fdfb431d96518a5"></a><!-- doxytag: member="DMAC::GetAlgorithm" ref="a2e3a8b3f8e5cf8599fdfb431d96518a5" args="() const " -->
const <a class="el" href="class_algorithm.html">Algorithm</a> & </td><td class="memItemRight" valign="bottom"><b>GetAlgorithm</b> () const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a32b2095542b18025814118734bf34da2"></a><!-- doxytag: member="DMAC::ThrowIfInvalidKeyLength" ref="a32b2095542b18025814118734bf34da2" args="(size_t length)" -->
void </td><td class="memItemRight" valign="bottom"><b>ThrowIfInvalidKeyLength</b> (size_t length)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae60d9774af66fc673fe6139f5880c477"></a><!-- doxytag: member="DMAC::ThrowIfResynchronizable" ref="ae60d9774af66fc673fe6139f5880c477" args="()" -->
void </td><td class="memItemRight" valign="bottom"><b>ThrowIfResynchronizable</b> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac687add7d0a09c626d85b77714bbd114"></a><!-- doxytag: member="DMAC::ThrowIfInvalidIV" ref="ac687add7d0a09c626d85b77714bbd114" args="(const byte *iv)" -->
void </td><td class="memItemRight" valign="bottom"><b>ThrowIfInvalidIV</b> (const byte *iv)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aaae6c529f861c47193f3498719e2dc48"></a><!-- doxytag: member="DMAC::ThrowIfInvalidIVLength" ref="aaae6c529f861c47193f3498719e2dc48" args="(int size)" -->
size_t </td><td class="memItemRight" valign="bottom"><b>ThrowIfInvalidIVLength</b> (int size)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a66ce967c9b8717baa10b4bdb2312d08d"></a><!-- doxytag: member="DMAC::GetIVAndThrowIfInvalid" ref="a66ce967c9b8717baa10b4bdb2312d08d" args="(const NameValuePairs &params, size_t &size)" -->
const byte * </td><td class="memItemRight" valign="bottom"><b>GetIVAndThrowIfInvalid</b> (const <a class="el" href="class_name_value_pairs.html">NameValuePairs</a> &params, size_t &size)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a719efcf12f0de461b951830b8131b36a"></a><!-- doxytag: member="DMAC::AssertValidKeyLength" ref="a719efcf12f0de461b951830b8131b36a" args="(size_t length) const " -->
void </td><td class="memItemRight" valign="bottom"><b>AssertValidKeyLength</b> (size_t length) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a584846215692150d99d63f8b7ccd58d8"></a><!-- doxytag: member="DMAC::ThrowIfInvalidTruncatedSize" ref="a584846215692150d99d63f8b7ccd58d8" args="(size_t size) const " -->
void </td><td class="memItemRight" valign="bottom"><b>ThrowIfInvalidTruncatedSize</b> (size_t size) const </td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<h3>template<class T><br/>
class DMAC< T ></h3>
<p><a class="el" href="class_d_m_a_c.html" title="DMAC.">DMAC</a>. </p>
<p>Based on "CBC MAC for Real-Time Data Sources" by Erez Petrank and Charles Rackoff. T should be a class derived from <a class="el" href="struct_block_cipher_documentation.html" title="These objects usually should not be used directly. See CipherModeDocumentation instead...">BlockCipherDocumentation</a>. </p>
<p>Definition at line <a class="el" href="dmac_8h_source.html#l00039">39</a> of file <a class="el" href="dmac_8h_source.html">dmac.h</a>.</p>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="adf3c29b3ef3af74788a58c7c49887fd7"></a><!-- doxytag: member="DMAC::SetKey" ref="adf3c29b3ef3af74788a58c7c49887fd7" args="(const byte *key, size_t length, const NameValuePairs &params=g_nullNameValuePairs)" -->
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<td class="memname">void SimpleKeyingInterface::SetKey </td>
<td>(</td>
<td class="paramtype">const byte * </td>
<td class="paramname"> <em>key</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"> <em>length</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="class_name_value_pairs.html">NameValuePairs</a> & </td>
<td class="paramname"> <em>params</em> = <code><a class="el" href="cryptlib_8h.html#ad3205973dd1afa14090a683154c1109c">g_nullNameValuePairs</a></code></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td><code> [virtual, inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>set or reset the key of this object </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>params</em> </td><td>is used to specify Rounds, BlockSize, etc. </td></tr>
</table>
</dd>
</dl>
<p>Reimplemented in <a class="el" href="class_authenticated_symmetric_cipher_base.html#aea1353c1d0a94c3f81ebcf53f6b7ea57">AuthenticatedSymmetricCipherBase</a>, and <a class="el" href="class_e_c_b___one_way.html#aea389c964114b73390dd81d836124461">ECB_OneWay</a>.</p>
<p>Definition at line <a class="el" href="cryptlib_8cpp_source.html#l00053">53</a> of file <a class="el" href="cryptlib_8cpp_source.html">cryptlib.cpp</a>.</p>
<p>Referenced by <a class="el" href="cryptlib_8cpp_source.html#l00064">SimpleKeyingInterface::SetKeyWithIV()</a>, and <a class="el" href="cryptlib_8cpp_source.html#l00059">SimpleKeyingInterface::SetKeyWithRounds()</a>.</p>
</div>
</div>
<a class="anchor" id="ad263f4a96fa8b4e7d01fea8ccaae9d3b"></a><!-- doxytag: member="DMAC::IsResynchronizable" ref="ad263f4a96fa8b4e7d01fea8ccaae9d3b" args="() const " -->
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<td class="memname">bool SimpleKeyingInterface::IsResynchronizable </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td> const<code> [inline, inherited]</code></td>
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<p>returns whether this object can be resynchronized (i.e. supports initialization vectors) </p>
<p>If this function returns true, and no IV is passed to <a class="el" href="class_simple_keying_interface.html#adf3c29b3ef3af74788a58c7c49887fd7" title="set or reset the key of this object">SetKey()</a> and <a class="el" href="class_simple_keying_interface.html#a9c47590ef06335b34bdaf272fd37ef4d" title="returns whether this object can use structured IVs, for example a counter (in addition...">CanUseStructuredIVs()</a>==true, an IV of all 0's will be assumed. </p>
<p>Definition at line <a class="el" href="cryptlib_8h_source.html#l00393">393</a> of file <a class="el" href="cryptlib_8h_source.html">cryptlib.h</a>.</p>
</div>
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<a class="anchor" id="a917224bb6df7431d6469e7a10feac5fa"></a><!-- doxytag: member="DMAC::GetNextIV" ref="a917224bb6df7431d6469e7a10feac5fa" args="(RandomNumberGenerator &rng, byte *IV)" -->
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<td class="memname">void SimpleKeyingInterface::GetNextIV </td>
<td>(</td>
<td class="paramtype"><a class="el" href="class_random_number_generator.html">RandomNumberGenerator</a> & </td>
<td class="paramname"> <em>rng</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">byte * </td>
<td class="paramname"> <em>IV</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td><code> [virtual, inherited]</code></td>
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</table>
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<div class="memdoc">
<p>get a secure IV for the next message </p>
<p>This method should be called after you finish encrypting one message and are ready to start the next one. After calling it, you must call <a class="el" href="class_simple_keying_interface.html#adf3c29b3ef3af74788a58c7c49887fd7" title="set or reset the key of this object">SetKey()</a> or <a class="el" href="class_simple_keying_interface.html#ae576137a46ca56005e82f1505cf3cccc" title="resynchronize with an IV. ivLength=-1 means use IVSize()">Resynchronize()</a> before using this object again. This method is not implemented on decryption objects. </p>
<p>Reimplemented in <a class="el" href="class_v_m_a_c___base.html#abd5685ab3eaf6ec272f7e062c3194c6c">VMAC_Base</a>.</p>
<p>Definition at line <a class="el" href="cryptlib_8cpp_source.html#l00129">129</a> of file <a class="el" href="cryptlib_8cpp_source.html">cryptlib.cpp</a>.</p>
<p>References <a class="el" href="cryptlib_8cpp_source.html#l00257">RandomNumberGenerator::GenerateBlock()</a>.</p>
</div>
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<a class="anchor" id="a39b0a4c4cdc11fda358f9975b5e4137e"></a><!-- doxytag: member="DMAC::Ref" ref="a39b0a4c4cdc11fda358f9975b5e4137e" args="()" -->
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<td class="memname"><a class="el" href="class_hash_transformation.html">HashTransformation</a>& HashTransformation::Ref </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td><code> [inline, inherited]</code></td>
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<p>return a reference to this object, </p>
<p>This function is useful for passing a temporary <a class="el" href="class_hash_transformation.html" title="interface for hash functions and data processing part of MACs">HashTransformation</a> object to a function that takes a non-const reference. </p>
<p>Definition at line <a class="el" href="cryptlib_8h_source.html#l00546">546</a> of file <a class="el" href="cryptlib_8h_source.html">cryptlib.h</a>.</p>
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<a class="anchor" id="aa0b8c7a110d8968268fd02ec32b9a8e8"></a><!-- doxytag: member="DMAC::Final" ref="aa0b8c7a110d8968268fd02ec32b9a8e8" args="(byte *digest)" -->
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<td class="memname">virtual void HashTransformation::Final </td>
<td>(</td>
<td class="paramtype">byte * </td>
<td class="paramname"> <em>digest</em></td>
<td> ) </td>
<td><code> [inline, virtual, inherited]</code></td>
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<p>compute hash for current message, then restart for a new message </p>
<dl class="pre"><dt><b>Precondition:</b></dt><dd>size of digest == <a class="el" href="class_hash_transformation.html#a9f42cc280bac76b884ad12615c0dabb5" title="size of the hash/digest/MAC returned by Final()">DigestSize()</a>. </dd></dl>
<p>Definition at line <a class="el" href="cryptlib_8h_source.html#l00556">556</a> of file <a class="el" href="cryptlib_8h_source.html">cryptlib.h</a>.</p>
<p>Referenced by <a class="el" href="pwdbased_8h_source.html#l00085">PKCS5_PBKDF2_HMAC< T >::DeriveKey()</a>, <a class="el" href="randpool_8cpp_source.html#l00026">RandomPool::IncorporateEntropy()</a>, and <a class="el" href="hmac_8cpp_source.html#l00067">HMAC_Base::TruncatedFinal()</a>.</p>
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<a class="anchor" id="a16c4aecd047015d513feef4ed5b929ba"></a><!-- doxytag: member="DMAC::Verify" ref="a16c4aecd047015d513feef4ed5b929ba" args="(const byte *digest)" -->
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<td class="memname">virtual bool HashTransformation::Verify </td>
<td>(</td>
<td class="paramtype">const byte * </td>
<td class="paramname"> <em>digest</em></td>
<td> ) </td>
<td><code> [inline, virtual, inherited]</code></td>
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<p>verify that digest is a valid digest for the current message, then reinitialize the object </p>
<p>Default implementation is to call <a class="el" href="class_hash_transformation.html#aa0b8c7a110d8968268fd02ec32b9a8e8" title="compute hash for current message, then restart for a new message">Final()</a> and do a bitwise comparison between its output and digest. </p>
<p>Definition at line <a class="el" href="cryptlib_8h_source.html#l00586">586</a> of file <a class="el" href="cryptlib_8h_source.html">cryptlib.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="dmac_8h_source.html">dmac.h</a></li>
</ul>
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<hr size="1"/><address style="text-align: right;"><small>Generated on 9 Dec 2009 for Crypto++ by
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<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address>
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