<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <title>Crypto++: SHA1 Class Reference</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <link href="doxygen.css" rel="stylesheet" type="text/css"/> </head> <body> <!-- Generated by Doxygen 1.6.1 --> <div class="navigation" id="top"> <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="annotated.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="annotated.html"><span>Class List</span></a></li> <li><a href="classes.html"><span>Class Index</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> </div> <div class="contents"> <h1>SHA1 Class Reference</h1><!-- doxytag: class="SHA1" --><!-- doxytag: inherits="IteratedHashWithStaticTransform< word32, BigEndian, 64, 20, SHA1 >" --> <p><a href="http://www.weidai.com/scan-mirror/md.html#SHA-1">SHA-1</a> <a href="#_details">More...</a></p> <p><code>#include <<a class="el" href="sha_8h_source.html">sha.h</a>></code></p> <div class="dynheader"> Inheritance diagram for SHA1:</div> <div class="dynsection"> <div class="center"> <img src="class_s_h_a1.gif" usemap="#SHA1_map" alt=""/> <map id="SHA1_map" name="SHA1_map"> <area href="class_iterated_hash_with_static_transform.html" alt="IteratedHashWithStaticTransform< word32, BigEndian, 64, 20, SHA1 >" shape="rect" coords="0,392,572,416"/> <area href="class_clonable_impl.html" alt="ClonableImpl< SHA1, AlgorithmImpl< IteratedHash< word32, BigEndian, T_BlockSize >, SHA1 > >" shape="rect" coords="0,336,572,360"/> <area href="class_algorithm_impl.html" alt="AlgorithmImpl< IteratedHash< word32, BigEndian, T_BlockSize >, SHA1 >" shape="rect" coords="0,280,572,304"/> <area href="class_iterated_hash.html" alt="IteratedHash< word32, BigEndian, T_BlockSize >" shape="rect" coords="0,224,572,248"/> <area href="class_iterated_hash_base.html" alt="IteratedHashBase< word32, HashTransformation >" shape="rect" coords="0,168,572,192"/> <area href="class_hash_transformation.html" alt="HashTransformation" shape="rect" coords="0,112,572,136"/> <area href="class_algorithm.html" alt="Algorithm" shape="rect" coords="0,56,572,80"/> <area href="class_clonable.html" alt="Clonable" shape="rect" coords="0,0,572,24"/> </map> </div> </div> <p><a href="class_s_h_a1-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"><a class="anchor" id="a6ec15728121293aef70ca8b30b2e7e7a"></a><!-- doxytag: member="SHA1::ByteOrderClass" ref="a6ec15728121293aef70ca8b30b2e7e7a" args="" --> typedef <a class="el" href="struct_enum_to_type.html">BigEndian</a> </td><td class="memItemRight" valign="bottom"><b>ByteOrderClass</b></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ace0350088eea8679cbe23668d2498c07"></a><!-- doxytag: member="SHA1::HashWordType" ref="ace0350088eea8679cbe23668d2498c07" args="" --> typedef word32 </td><td class="memItemRight" valign="bottom"><b>HashWordType</b></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="a176f8dcb7ea9818cd54e8f6df8bca50a"></a><!-- doxytag: member="SHA1::DigestSize" ref="a176f8dcb7ea9818cd54e8f6df8bca50a" args="() const" --> unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_iterated_hash_with_static_transform.html#a176f8dcb7ea9818cd54e8f6df8bca50a">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="a8aa4807d12b2c4653d2d6c69f3c51f53"></a><!-- doxytag: member="SHA1::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="SHA1::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="a23443812c93867ca52675f6d76bc9def"></a><!-- doxytag: member="SHA1::CRYPTOPP_COMPILE_ASSERT" ref="a23443812c93867ca52675f6d76bc9def" args="((T_BlockSize &(T_BlockSize-1))==0)" --> </td><td class="memItemRight" valign="bottom"><b>CRYPTOPP_COMPILE_ASSERT</b> ((T_BlockSize &(T_BlockSize-1))==0)</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a272b3589e2f6648da8d4caa8603397dd"></a><!-- doxytag: member="SHA1::BlockSize" ref="a272b3589e2f6648da8d4caa8603397dd" args="() const" --> unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_iterated_hash.html#a272b3589e2f6648da8d4caa8603397dd">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="ab36955b4beefcf630a120f1b3b261dc7"></a><!-- doxytag: member="SHA1::GetByteOrder" ref="ab36955b4beefcf630a120f1b3b261dc7" args="() const" --> ByteOrder </td><td class="memItemRight" valign="bottom"><b>GetByteOrder</b> () const</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad8ba3e6b25afbdf84f177b965229c0d9"></a><!-- doxytag: member="SHA1::OptimalBlockSize" ref="ad8ba3e6b25afbdf84f177b965229c0d9" args="() const" --> unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_iterated_hash_base.html#ad8ba3e6b25afbdf84f177b965229c0d9">OptimalBlockSize</a> () const</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">input to Update() 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="a9ee30253981d13564bf0d2ffa33dfc25"></a><!-- doxytag: member="SHA1::OptimalDataAlignment" ref="a9ee30253981d13564bf0d2ffa33dfc25" args="() const" --> unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_iterated_hash_base.html#a9ee30253981d13564bf0d2ffa33dfc25">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="a3202914349a18f79facb605d75f0d10c"></a><!-- doxytag: member="SHA1::Update" ref="a3202914349a18f79facb605d75f0d10c" args="(const byte *input, size_t length)" --> void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_iterated_hash_base.html#a3202914349a18f79facb605d75f0d10c">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="a816fce9e3cab60c1c4ecef77a321be96"></a><!-- doxytag: member="SHA1::CreateUpdateSpace" ref="a816fce9e3cab60c1c4ecef77a321be96" args="(size_t &size)" --> byte * </td><td class="memItemRight" valign="bottom"><a class="el" href="class_iterated_hash_base.html#a816fce9e3cab60c1c4ecef77a321be96">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"><a class="anchor" id="ad53da712634ea213ad047b2a68b0fe70"></a><!-- doxytag: member="SHA1::Restart" ref="ad53da712634ea213ad047b2a68b0fe70" args="()" --> void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_iterated_hash_base.html#ad53da712634ea213ad047b2a68b0fe70">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="a2fb87191e0a4359fb9e81c71f99db600"></a><!-- doxytag: member="SHA1::TruncatedFinal" ref="a2fb87191e0a4359fb9e81c71f99db600" args="(byte *digest, size_t size)" --> void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_iterated_hash_base.html#a2fb87191e0a4359fb9e81c71f99db600">TruncatedFinal</a> (byte *digest, 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="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">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="a5e847d65a38ec354de1b28cc4bc66a81"></a><!-- doxytag: member="SHA1::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="af8124c4fca23b74bbdc43660bdae692c"></a><!-- doxytag: member="SHA1::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="SHA1::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="SHA1::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="SHA1::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="SHA1::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="acc1ae4d89d0c726f274c6b75ea6e4908"></a><!-- doxytag: member="SHA1::InitState" ref="acc1ae4d89d0c726f274c6b75ea6e4908" args="(HashWordType *state)" --> static void __cdecl </td><td class="memItemRight" valign="bottom"><b>InitState</b> (HashWordType *state)</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab8d330e8b8fdc39a5429ef3f056645da"></a><!-- doxytag: member="SHA1::Transform" ref="ab8d330e8b8fdc39a5429ef3f056645da" args="(word32 *digest, const word32 *data)" --> static void __cdecl </td><td class="memItemRight" valign="bottom"><b>Transform</b> (word32 *digest, const word32 *data)</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad3e70b0d3d76d17c55691f095d774983"></a><!-- doxytag: member="SHA1::StaticAlgorithmName" ref="ad3e70b0d3d76d17c55691f095d774983" args="()" --> static const char *__cdecl </td><td class="memItemRight" valign="bottom"><b>StaticAlgorithmName</b> ()</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a394a6ed0dd2a885652cd203ad4fa5fe0"></a><!-- doxytag: member="SHA1::CorrectEndianess" ref="a394a6ed0dd2a885652cd203ad4fa5fe0" args="(HashWordType *out, const HashWordType *in, size_t byteCount)" --> static void </td><td class="memItemRight" valign="bottom"><b>CorrectEndianess</b> (HashWordType *out, const HashWordType *in, size_t byteCount)</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="a831ce938457903dd07efb54bc144ae6b"></a><!-- doxytag: member="SHA1::DIGESTSIZE" ref="a831ce938457903dd07efb54bc144ae6b" args="" --> static const int </td><td class="memItemRight" valign="bottom"><b>DIGESTSIZE</b></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac5b97a3f0d607c914d025581e0ecf80e"></a><!-- doxytag: member="SHA1::BLOCKSIZE" ref="ac5b97a3f0d607c914d025581e0ecf80e" args="" --> static const int </td><td class="memItemRight" valign="bottom"><b>BLOCKSIZE</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="a7e9c0d5d95a68679254b3171497f156b"></a><!-- doxytag: member="SHA1::HashEndianCorrectedBlock" ref="a7e9c0d5d95a68679254b3171497f156b" args="(const word32 *data)" --> void </td><td class="memItemRight" valign="bottom"><b>HashEndianCorrectedBlock</b> (const word32 *data)</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a2a788752a18c19299603bc9e36440fd8"></a><!-- doxytag: member="SHA1::HashEndianCorrectedBlock" ref="a2a788752a18c19299603bc9e36440fd8" args="(const HashWordType *data)=0" --> virtual void </td><td class="memItemRight" valign="bottom"><b>HashEndianCorrectedBlock</b> (const HashWordType *data)=0</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3d2a82447c194cd8b2a08235ecede525"></a><!-- doxytag: member="SHA1::Init" ref="a3d2a82447c194cd8b2a08235ecede525" args="()" --> void </td><td class="memItemRight" valign="bottom"><b>Init</b> ()</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4b472107b2264adddea33edab8b4dbc6"></a><!-- doxytag: member="SHA1::StateBuf" ref="a4b472107b2264adddea33edab8b4dbc6" args="()" --> word32 * </td><td class="memItemRight" valign="bottom"><b>StateBuf</b> ()</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa7561b749600677c9a28bcf4d943e272"></a><!-- doxytag: member="SHA1::DataBuf" ref="aa7561b749600677c9a28bcf4d943e272" args="()" --> word32 * </td><td class="memItemRight" valign="bottom"><b>DataBuf</b> ()</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a33a8299a01976e215362f093589b9f6e"></a><!-- doxytag: member="SHA1::GetBitCountHi" ref="a33a8299a01976e215362f093589b9f6e" args="() const" --> word32 </td><td class="memItemRight" valign="bottom"><b>GetBitCountHi</b> () const</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a5fe17f6b8a18b047349b31931baa5965"></a><!-- doxytag: member="SHA1::GetBitCountLo" ref="a5fe17f6b8a18b047349b31931baa5965" args="() const" --> word32 </td><td class="memItemRight" valign="bottom"><b>GetBitCountLo</b> () const</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a01f39339fa69510303ad401245df1037"></a><!-- doxytag: member="SHA1::PadLastBlock" ref="a01f39339fa69510303ad401245df1037" args="(unsigned int lastBlockSize, byte padFirst=0x80)" --> void </td><td class="memItemRight" valign="bottom"><b>PadLastBlock</b> (unsigned int lastBlockSize, byte padFirst=0x80)</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a8127a31f5c7700602a34e78285f53e57"></a><!-- doxytag: member="SHA1::HashMultipleBlocks" ref="a8127a31f5c7700602a34e78285f53e57" args="(const word32 *input, size_t length)" --> virtual size_t </td><td class="memItemRight" valign="bottom"><b>HashMultipleBlocks</b> (const word32 *input, size_t length)</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af4f5349f8ebacfde64bb24f2ce758775"></a><!-- doxytag: member="SHA1::HashBlock" ref="af4f5349f8ebacfde64bb24f2ce758775" args="(const HashWordType *input)" --> void </td><td class="memItemRight" valign="bottom"><b>HashBlock</b> (const HashWordType *input)</td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a584846215692150d99d63f8b7ccd58d8"></a><!-- doxytag: member="SHA1::ThrowIfInvalidTruncatedSize" ref="a584846215692150d99d63f8b7ccd58d8" args="(size_t size) const " --> void </td><td class="memItemRight" valign="bottom"><b>ThrowIfInvalidTruncatedSize</b> (size_t size) const </td></tr> <tr><td colspan="2"><h2>Protected Attributes</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a34a7b32751931968c8b86cf1630a6381"></a><!-- doxytag: member="SHA1::m_state" ref="a34a7b32751931968c8b86cf1630a6381" args="" --> <a class="el" href="class_fixed_size_aligned_sec_block.html">FixedSizeAlignedSecBlock</a><br class="typebreak"/> < word32, T_BlockSize/sizeof(word32), <br class="typebreak"/> false > </td><td class="memItemRight" valign="bottom"><b>m_state</b></td></tr> <tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad1d059e2cba2115f403befa9e6c070da"></a><!-- doxytag: member="SHA1::m_data" ref="ad1d059e2cba2115f403befa9e6c070da" args="" --> <a class="el" href="class_fixed_size_sec_block.html">FixedSizeSecBlock</a>< word32, <br class="typebreak"/> T_BlockSize/sizeof(word32)> </td><td class="memItemRight" valign="bottom"><b>m_data</b></td></tr> </table> <hr/><a name="_details"></a><h2>Detailed Description</h2> <p><a href="http://www.weidai.com/scan-mirror/md.html#SHA-1">SHA-1</a> </p> <p>Definition at line <a class="el" href="sha_8h_source.html#l00009">9</a> of file <a class="el" href="sha_8h_source.html">sha.h</a>.</p> <hr/><h2>Member Function Documentation</h2> <a class="anchor" id="a39b0a4c4cdc11fda358f9975b5e4137e"></a><!-- doxytag: member="SHA1::Ref" ref="a39b0a4c4cdc11fda358f9975b5e4137e" args="()" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <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> </tr> </table> </div> <div class="memdoc"> <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> </div> </div> <a class="anchor" id="aa0b8c7a110d8968268fd02ec32b9a8e8"></a><!-- doxytag: member="SHA1::Final" ref="aa0b8c7a110d8968268fd02ec32b9a8e8" args="(byte *digest)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <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> </tr> </table> </div> <div class="memdoc"> <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> </div> </div> <a class="anchor" id="a16c4aecd047015d513feef4ed5b929ba"></a><!-- doxytag: member="SHA1::Verify" ref="a16c4aecd047015d513feef4ed5b929ba" args="(const byte *digest)" --> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <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> </tr> </table> </div> <div class="memdoc"> <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> </div> </div> <hr/>The documentation for this class was generated from the following files:<ul> <li><a class="el" href="sha_8h_source.html">sha.h</a></li> <li><a class="el" href="sha_8cpp_source.html">sha.cpp</a></li> </ul> </div> <hr size="1"/><address style="text-align: right;"><small>Generated on 9 Dec 2009 for Crypto++ by <a href="http://www.doxygen.org/index.html"> <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address> </body> </html>