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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++: TTMAC_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>TTMAC_Base Class Reference</h1><!-- doxytag: class="TTMAC_Base" --><!-- doxytag: inherits="FixedKeyLength< 20 >,IteratedHash< word32, LittleEndian, 64, MessageAuthenticationCode >" --><code>#include <<a class="el" href="ttmac_8h-source.html">ttmac.h</a>></code><p><p>Inheritance diagram for TTMAC_Base:<p><center><img src="class_t_t_m_a_c___base.png" usemap="#TTMAC_Base_map" border="0" alt=""></center><map name="TTMAC_Base_map"><area href="class_fixed_key_length.html" alt="FixedKeyLength< 20 >" shape="rect" coords="0,280,693,304"><area href="class_iterated_hash.html" alt="IteratedHash< word32, LittleEndian, 64, MessageAuthenticationCode >" shape="rect" coords="703,280,1396,304"><area href="class_iterated_hash_base.html" alt="IteratedHashBase< word32, MessageAuthenticationCode >" shape="rect" coords="703,224,1396,248"><area href="class_message_authentication_code.html" alt="MessageAuthenticationCode" shape="rect" coords="703,168,1396,192"><area href="class_hash_transformation.html" alt="HashTransformation" shape="rect" coords="351,112,1044,136"><area href="class_simple_keying_interface.html" alt="SimpleKeyingInterface" shape="rect" coords="1054,112,1747,136"><area href="class_algorithm.html" alt="Algorithm" shape="rect" coords="351,56,1044,80"><area href="class_clonable.html" alt="Clonable" shape="rect" coords="351,0,1044,24"><area href="class_simple_keying_interface_impl.html" alt="SimpleKeyingInterfaceImpl< TTMAC_Base, TTMAC_Base >" shape="rect" coords="351,392,1044,416"><area href="class_algorithm_impl.html" alt="AlgorithmImpl< SimpleKeyingInterfaceImpl< TTMAC_Base, TTMAC_Base >, TTMAC_Base >" shape="rect" coords="351,448,1044,472"><area href="class_message_authentication_code_impl.html" alt="MessageAuthenticationCodeImpl< TTMAC_Base >" shape="rect" coords="351,504,1044,528"><area href="class_clonable_impl.html" alt="ClonableImpl< MessageAuthenticationCodeFinal< TTMAC_Base >, MessageAuthenticationCodeImpl< TTMAC_Base > >" shape="rect" coords="351,560,1044,584"><area href="class_message_authentication_code_final.html" alt="MessageAuthenticationCodeFinal< TTMAC_Base >" shape="rect" coords="351,616,1044,640"><area href="class_t_t_m_a_c.html" alt="TTMAC" shape="rect" coords="351,672,1044,696"></map><a href="class_t_t_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="ttmac_8h-source.html#l00012">12</a> of file <a class="el" href="ttmac_8h-source.html">ttmac.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="6ec15728121293aef70ca8b30b2e7e7a"></a><!-- doxytag: member="TTMAC_Base::ByteOrderClass" ref="6ec15728121293aef70ca8b30b2e7e7a" args="" -->typedef <a class="el" href="struct_enum_to_type.html">LittleEndian</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_iterated_hash.html#6ec15728121293aef70ca8b30b2e7e7a">ByteOrderClass</a></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ce0350088eea8679cbe23668d2498c07"></a><!-- doxytag: member="TTMAC_Base::HashWordType" ref="ce0350088eea8679cbe23668d2498c07" args="" -->typedef word32 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_iterated_hash.html#ce0350088eea8679cbe23668d2498c07">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="78f01cddf3a38e595c2868c2cacd23ac"></a><!-- doxytag: member="TTMAC_Base::DigestSize" ref="78f01cddf3a38e595c2868c2cacd23ac" args="() const" -->unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_t_m_a_c___base.html#78f01cddf3a38e595c2868c2cacd23ac">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="0a03fa229e48b33f1990d1495aeffe8d"></a><!-- doxytag: member="TTMAC_Base::UncheckedSetKey" ref="0a03fa229e48b33f1990d1495aeffe8d" args="(const byte *userKey, unsigned int keylength, const NameValuePairs &params)" -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_t_m_a_c___base.html#0a03fa229e48b33f1990d1495aeffe8d">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="52333eb53e716948e9377cdfea28addd"></a><!-- doxytag: member="TTMAC_Base::TruncatedFinal" ref="52333eb53e716948e9377cdfea28addd" args="(byte *mac, size_t size)" -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_t_t_m_a_c___base.html#52333eb53e716948e9377cdfea28addd">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="76cb174a108aa1178e444681c0d8c2ff"></a><!-- doxytag: member="TTMAC_Base::BlockSize" ref="76cb174a108aa1178e444681c0d8c2ff" args="() const" -->unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_iterated_hash.html#76cb174a108aa1178e444681c0d8c2ff">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="26df02878f3fa09146154f9d6eaba1a4"></a><!-- doxytag: member="TTMAC_Base::GetByteOrder" ref="26df02878f3fa09146154f9d6eaba1a4" args="() const" --><a class="el" href="cryptlib_8h.html#aeb92d42f5a6e27b8ba19f18d69d142b">ByteOrder</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_iterated_hash.html#26df02878f3fa09146154f9d6eaba1a4">GetByteOrder</a> () const</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4c3fa4d29ad29d2b8add76ea62117523"></a><!-- doxytag: member="TTMAC_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="TTMAC_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="TTMAC_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="TTMAC_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="TTMAC_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="TTMAC_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="TTMAC_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="TTMAC_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="TTMAC_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="TTMAC_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="4f31510a192d1121856efe8ad0a9b844"></a><!-- doxytag: member="TTMAC_Base::AlgorithmName" ref="4f31510a192d1121856efe8ad0a9b844" args="() const" -->⌨️ 快捷键说明
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