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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"><title>Crypto++: VMAC_Base Class Reference</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.5.2 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li class="current"><a href="classes.html"><span>Classes</span></a></li> <li><a href="files.html"><span>Files</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="classes.html"><span>Alphabetical List</span></a></li> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="hierarchy.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul></div><h1>VMAC_Base Class Reference</h1><!-- doxytag: class="VMAC_Base" --><!-- doxytag: inherits="IteratedHashBase< word64, MessageAuthenticationCode >" --><code>#include <<a class="el" href="vmac_8h-source.html">vmac.h</a>></code><p><p>Inheritance diagram for VMAC_Base:<p><center><img src="class_v_m_a_c___base.png" usemap="#VMAC_Base_map" border="0" alt=""></center><map name="VMAC_Base_map"><area href="class_iterated_hash_base.html" alt="IteratedHashBase< word64, MessageAuthenticationCode >" shape="rect" coords="431,224,1284,248"><area href="class_message_authentication_code.html" alt="MessageAuthenticationCode" shape="rect" coords="431,168,1284,192"><area href="class_hash_transformation.html" alt="HashTransformation" shape="rect" coords="0,112,853,136"><area href="class_simple_keying_interface.html" alt="SimpleKeyingInterface" shape="rect" coords="863,112,1716,136"><area href="class_algorithm.html" alt="Algorithm" shape="rect" coords="0,56,853,80"><area href="class_clonable.html" alt="Clonable" shape="rect" coords="0,0,853,24"><area href="class_simple_keying_interface_impl.html" alt="SimpleKeyingInterfaceImpl< VMAC_Base, SameKeyLengthAs< T_BlockCipher, SimpleKeyingInterface::UNIQUE_IV, T_BlockCipher::BLOCKSIZE > >" shape="rect" coords="431,336,1284,360"><area href="class_v_m_a_c.html" alt="VMAC< T_BlockCipher, T_DigestBitSize >" shape="rect" coords="431,392,1284,416"></map><a href="class_v_m_a_c___base-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2><p><p>Definition at line <a class="el" href="vmac_8h-source.html#l00020">20</a> of file <a class="el" href="vmac_8h-source.html">vmac.h</a>.<table border="0" cellpadding="0" cellspacing="0"><tr><td></td></tr><tr><td colspan="2"><br><h2>Public Types</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4316d6e7e38a407d5a71f95de2b112e1"></a><!-- doxytag: member="VMAC_Base::HashWordType" ref="4316d6e7e38a407d5a71f95de2b112e1" args="" -->typedef word64 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_iterated_hash_base.html#4316d6e7e38a407d5a71f95de2b112e1">HashWordType</a></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">enum </td><td class="memItemRight" valign="bottom"><a class="el" href="class_simple_keying_interface.html#88201c180fbfaa9fef2715252546ad6e">IV_Requirement</a> { <br> <a class="el" href="class_simple_keying_interface.html#88201c180fbfaa9fef2715252546ad6e1cc32e69fe4f385e54d9d482a2ab5a56">UNIQUE_IV</a> = 0, <a class="el" href="class_simple_keying_interface.html#88201c180fbfaa9fef2715252546ad6e4520c4379ee3a1aed95a36e2235ba338">RANDOM_IV</a>, <a class="el" href="class_simple_keying_interface.html#88201c180fbfaa9fef2715252546ad6eceff3ad4b12bcb6d7b61a5bd543a815c">UNPREDICTABLE_RANDOM_IV</a>, <a class="el" href="class_simple_keying_interface.html#88201c180fbfaa9fef2715252546ad6eb659bf6d2c470c50c14bfbab5b2d45ab">INTERNALLY_GENERATED_IV</a>, <br> <a class="el" href="class_simple_keying_interface.html#88201c180fbfaa9fef2715252546ad6ec1d24de3dedd05c28516f452d3ace417">NOT_RESYNCHRONIZABLE</a><br> }</td></tr><tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7841e62a2fb45594c971117a647f1c81"></a><!-- doxytag: member="VMAC_Base::AlgorithmName" ref="7841e62a2fb45594c971117a647f1c81" args="() const" -->std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="class_v_m_a_c___base.html#7841e62a2fb45594c971117a647f1c81">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" nowrap align="right" valign="top"><a class="anchor" name="866c80e36ce0279f10329f261221249b"></a><!-- doxytag: member="VMAC_Base::IVSize" ref="866c80e36ce0279f10329f261221249b" args="() const" -->unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_v_m_a_c___base.html#866c80e36ce0279f10329f261221249b">IVSize</a> () const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">returns size of IVs used by this object <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="8ed277053f73f827953325aab5247cc7"></a><!-- doxytag: member="VMAC_Base::Resynchronize" ref="8ed277053f73f827953325aab5247cc7" args="(const byte *IV)" -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_v_m_a_c___base.html#8ed277053f73f827953325aab5247cc7">Resynchronize</a> (const byte *IV)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">resynchronize with an IV <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_v_m_a_c___base.html#bd5685ab3eaf6ec272f7e062c3194c6c">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="#bd5685ab3eaf6ec272f7e062c3194c6c"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="de8dd31d4ca07f9668afc1ab9eb3ea55"></a><!-- doxytag: member="VMAC_Base::DigestSize" ref="de8dd31d4ca07f9668afc1ab9eb3ea55" args="() const" -->unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_v_m_a_c___base.html#de8dd31d4ca07f9668afc1ab9eb3ea55">DigestSize</a> () const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">size of the hash returned by <a class="el" href="class_hash_transformation.html#a0b8c7a110d8968268fd02ec32b9a8e8" title="compute hash for current message, then restart for a new message">Final()</a> <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="af0954326492fcc6059ac4f1903f5f09"></a><!-- doxytag: member="VMAC_Base::UncheckedSetKey" ref="af0954326492fcc6059ac4f1903f5f09" args="(const byte *userKey, unsigned int keylength, const NameValuePairs &params)" -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_v_m_a_c___base.html#af0954326492fcc6059ac4f1903f5f09">UncheckedSetKey</a> (const byte *userKey, unsigned int keylength, const <a class="el" href="class_name_value_pairs.html">NameValuePairs</a> &params)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="3affbeda9ead9b9b1e93064acc44c858"></a><!-- doxytag: member="VMAC_Base::TruncatedFinal" ref="3affbeda9ead9b9b1e93064acc44c858" args="(byte *mac, size_t size)" -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_v_m_a_c___base.html#3affbeda9ead9b9b1e93064acc44c858">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#a0b8c7a110d8968268fd02ec32b9a8e8" title="compute hash for current message, then restart for a new message">Final()</a> <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="3787b7950bd0eefb4f4accafd969430a"></a><!-- doxytag: member="VMAC_Base::BlockSize" ref="3787b7950bd0eefb4f4accafd969430a" args="() const" -->unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_v_m_a_c___base.html#3787b7950bd0eefb4f4accafd969430a">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" nowrap align="right" valign="top"><a class="anchor" name="e5db4b2e69eb36364c2e0bc6435bdac0"></a><!-- doxytag: member="VMAC_Base::GetByteOrder" ref="e5db4b2e69eb36364c2e0bc6435bdac0" args="() const" --><a class="el" href="cryptlib_8h.html#aeb92d42f5a6e27b8ba19f18d69d142b">ByteOrder</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_v_m_a_c___base.html#e5db4b2e69eb36364c2e0bc6435bdac0">GetByteOrder</a> () const</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4c3fa4d29ad29d2b8add76ea62117523"></a><!-- doxytag: member="VMAC_Base::OptimalBlockSize" ref="4c3fa4d29ad29d2b8add76ea62117523" args="() const" -->unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_iterated_hash_base.html#4c3fa4d29ad29d2b8add76ea62117523">OptimalBlockSize</a> () const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">input to <a class="el" href="class_iterated_hash_base.html#3202914349a18f79facb605d75f0d10c" title="process more input">Update()</a> should have length a multiple of this for optimal speed <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="167fbaf6c7e6f9f1744d7204cf118c65"></a><!-- doxytag: member="VMAC_Base::OptimalDataAlignment" ref="167fbaf6c7e6f9f1744d7204cf118c65" args="() const" -->unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_iterated_hash_base.html#167fbaf6c7e6f9f1744d7204cf118c65">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" nowrap align="right" valign="top"><a class="anchor" name="3202914349a18f79facb605d75f0d10c"></a><!-- doxytag: member="VMAC_Base::Update" ref="3202914349a18f79facb605d75f0d10c" args="(const byte *input, size_t length)" -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_iterated_hash_base.html#3202914349a18f79facb605d75f0d10c">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" nowrap align="right" valign="top"><a class="anchor" name="816fce9e3cab60c1c4ecef77a321be96"></a><!-- doxytag: member="VMAC_Base::CreateUpdateSpace" ref="816fce9e3cab60c1c4ecef77a321be96" args="(size_t &size)" -->byte * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_iterated_hash_base.html#816fce9e3cab60c1c4ecef77a321be96">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" nowrap align="right" valign="top"><a class="anchor" name="d53da712634ea213ad047b2a68b0fe70"></a><!-- doxytag: member="VMAC_Base::Restart" ref="d53da712634ea213ad047b2a68b0fe70" args="()" -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_iterated_hash_base.html#d53da712634ea213ad047b2a68b0fe70">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" nowrap 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#39b0a4c4cdc11fda358f9975b5e4137e">Ref</a> ()</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">return a reference to this object, <a href="#39b0a4c4cdc11fda358f9975b5e4137e"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#a0b8c7a110d8968268fd02ec32b9a8e8">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="#a0b8c7a110d8968268fd02ec32b9a8e8"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f8124c4fca23b74bbdc43660bdae692c"></a><!-- doxytag: member="VMAC_Base::CalculateDigest" ref="f8124c4fca23b74bbdc43660bdae692c" 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#f8124c4fca23b74bbdc43660bdae692c">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#afabefaf445b65d3ba0d8e1c0294afe5" title="process more input">Update()</a> and <a class="el" href="class_hash_transformation.html#a0b8c7a110d8968268fd02ec32b9a8e8" title="compute hash for current message, then restart for a new message">Final()</a> separately <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#16c4aecd047015d513feef4ed5b929ba">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="#16c4aecd047015d513feef4ed5b929ba"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="cad96df68e70d922683e5063057130b2"></a><!-- doxytag: member="VMAC_Base::VerifyDigest" ref="cad96df68e70d922683e5063057130b2" 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#cad96df68e70d922683e5063057130b2">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#afabefaf445b65d3ba0d8e1c0294afe5" title="process more input">Update()</a> and <a class="el" href="class_hash_transformation.html#16c4aecd047015d513feef4ed5b929ba" 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" nowrap align="right" valign="top"><a class="anchor" name="0b6917657eaec935750fd83e28270d76"></a><!-- doxytag: member="VMAC_Base::CalculateTruncatedDigest" ref="0b6917657eaec935750fd83e28270d76" 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#0b6917657eaec935750fd83e28270d76">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#f8124c4fca23b74bbdc43660bdae692c" title="use this if your input is in one piece and you don't want to call Update() and Final()...">CalculateDigest()</a> <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="0f6069eadf492d970c3eb8cdf656e742"></a><!-- doxytag: member="VMAC_Base::TruncatedVerify" ref="0f6069eadf492d970c3eb8cdf656e742" args="(const byte *digest, size_t digestLength)" -->virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_hash_transformation.html#0f6069eadf492d970c3eb8cdf656e742">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#16c4aecd047015d513feef4ed5b929ba" title="verify that digest is a valid digest for the current message, then reinitialize the...">Verify()</a> <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7958e99717019e8b9f91672bdfe9e086"></a><!-- doxytag: member="VMAC_Base::VerifyTruncatedDigest" ref="7958e99717019e8b9f91672bdfe9e086" 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#7958e99717019e8b9f91672bdfe9e086">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#cad96df68e70d922683e5063057130b2" title="use this if your input is in one piece and you don't want to call Update() and Verify()...">VerifyDigest()</a> <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d0016ba2d505c23aa85aad49e6c19bb7"></a><!-- doxytag: member="VMAC_Base::Clone" ref="d0016ba2d505c23aa85aad49e6c19bb7" args="() const" -->virtual <a class="el" href="class_clonable.html">Clonable</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_clonable.html#d0016ba2d505c23aa85aad49e6c19bb7">Clone</a> () const</td></tr>⌨️ 快捷键说明
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