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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++: CBC_Encryption 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>CBC_Encryption Class Reference</h1><!-- doxytag: class="CBC_Encryption" --><!-- doxytag: inherits="CBC_ModeBase" --><p>Inheritance diagram for CBC_Encryption:<p><center><img src="class_c_b_c___encryption.png" usemap="#CBC_Encryption_map" border="0" alt=""></center><map name="CBC_Encryption_map"><area href="class_c_b_c___mode_base.html" alt="CBC_ModeBase" shape="rect" coords="100,336,290,360"><area href="class_block_oriented_cipher_mode_base.html" alt="BlockOrientedCipherModeBase" shape="rect" coords="100,280,290,304"><area href="class_cipher_mode_base.html" alt="CipherModeBase" shape="rect" coords="100,224,290,248"><area href="class_symmetric_cipher.html" alt="SymmetricCipher" shape="rect" coords="100,168,290,192"><area href="class_stream_transformation.html" alt="StreamTransformation" shape="rect" coords="0,112,190,136"><area href="class_simple_keying_interface.html" alt="SimpleKeyingInterface" shape="rect" coords="200,112,390,136"><area href="class_algorithm.html" alt="Algorithm" shape="rect" coords="0,56,190,80"><area href="class_clonable.html" alt="Clonable" shape="rect" coords="0,0,190,24"><area href="class_c_b_c___c_t_s___encryption.html" alt="CBC_CTS_Encryption" shape="rect" coords="100,448,290,472"></map><a href="class_c_b_c___encryption-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="modes_8h-source.html#l00212">212</a> of file <a class="el" href="modes_8h-source.html">modes.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">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="ab62151b203e74ba2d7b824ee113380c"></a><!-- doxytag: member="CBC_Encryption::ProcessBlocks" ref="ab62151b203e74ba2d7b824ee113380c" args="(byte *outString, const byte *inString, size_t numberOfBlocks)" -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_c_b_c___encryption.html#ab62151b203e74ba2d7b824ee113380c">ProcessBlocks</a> (byte *outString, const byte *inString, size_t numberOfBlocks)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="3e792aeeb087bde5258a676c3b157acf"></a><!-- doxytag: member="CBC_Encryption::IVRequirement" ref="3e792aeeb087bde5258a676c3b157acf" args="() const" --><a class="el" href="class_simple_keying_interface.html#88201c180fbfaa9fef2715252546ad6e">IV_Requirement</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_c_b_c___mode_base.html#3e792aeeb087bde5258a676c3b157acf">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" nowrap align="right" valign="top"><a class="anchor" name="5afa761a6188f939aace9443096236a6"></a><!-- doxytag: member="CBC_Encryption::RequireAlignedInput" ref="5afa761a6188f939aace9443096236a6" args="() const" -->bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_c_b_c___mode_base.html#5afa761a6188f939aace9443096236a6">RequireAlignedInput</a> () const</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="43530a8977b63abdf11d35f971b29f30"></a><!-- doxytag: member="CBC_Encryption::MinLastBlockSize" ref="43530a8977b63abdf11d35f971b29f30" args="() const" -->unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_c_b_c___mode_base.html#43530a8977b63abdf11d35f971b29f30">MinLastBlockSize</a> () const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">returns the minimum size of the last block, 0 indicating the last block is not special <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1d095f1ee08abb9f03f0ed16a32c6b04"></a><!-- doxytag: member="CBC_Encryption::UncheckedSetKey" ref="1d095f1ee08abb9f03f0ed16a32c6b04" args="(const byte *key, unsigned int length, const NameValuePairs &params)" -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_block_oriented_cipher_mode_base.html#1d095f1ee08abb9f03f0ed16a32c6b04">UncheckedSetKey</a> (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" nowrap align="right" valign="top"><a class="anchor" name="de6a00d82e063bcee5d1db3cd294751c"></a><!-- doxytag: member="CBC_Encryption::MandatoryBlockSize" ref="de6a00d82e063bcee5d1db3cd294751c" args="() const" -->unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_block_oriented_cipher_mode_base.html#de6a00d82e063bcee5d1db3cd294751c">MandatoryBlockSize</a> () const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">returns block size, if input must be processed in blocks, otherwise 1 <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7721eef9f8c5c0c4ca16048c41feed8f"></a><!-- doxytag: member="CBC_Encryption::IsRandomAccess" ref="7721eef9f8c5c0c4ca16048c41feed8f" args="() const" -->bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_block_oriented_cipher_mode_base.html#7721eef9f8c5c0c4ca16048c41feed8f">IsRandomAccess</a> () const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">returns whether this cipher supports random access <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="503746952c074403bf2d72374f3d6672"></a><!-- doxytag: member="CBC_Encryption::IsSelfInverting" ref="503746952c074403bf2d72374f3d6672" args="() const" -->bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_block_oriented_cipher_mode_base.html#503746952c074403bf2d72374f3d6672">IsSelfInverting</a> () const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">returns whether this transformation is self-inverting (e.g. xor with a keystream) <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="3f08ba1e5fe34ab0cd379a54da828938"></a><!-- doxytag: member="CBC_Encryption::IsForwardTransformation" ref="3f08ba1e5fe34ab0cd379a54da828938" args="() const" -->bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_block_oriented_cipher_mode_base.html#3f08ba1e5fe34ab0cd379a54da828938">IsForwardTransformation</a> () const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">returns whether this is an encryption object <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f1afe72ca94c6e1c3889e785ae3bd770"></a><!-- doxytag: member="CBC_Encryption::Resynchronize" ref="f1afe72ca94c6e1c3889e785ae3bd770" args="(const byte *iv)" -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_block_oriented_cipher_mode_base.html#f1afe72ca94c6e1c3889e785ae3bd770">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_block_oriented_cipher_mode_base.html#947329920de17742397a7c0fd01d3364">ProcessData</a> (byte *outString, const byte *inString, size_t length)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">encrypt or decrypt an array of bytes of specified length <a href="#947329920de17742397a7c0fd01d3364"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ca95bcde5d8f5be6f45c216c1d7b21f6"></a><!-- doxytag: member="CBC_Encryption::MinKeyLength" ref="ca95bcde5d8f5be6f45c216c1d7b21f6" args="() const" -->size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_cipher_mode_base.html#ca95bcde5d8f5be6f45c216c1d7b21f6">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" nowrap align="right" valign="top"><a class="anchor" name="8e801b0482663c7feae7db35e31d2508"></a><!-- doxytag: member="CBC_Encryption::MaxKeyLength" ref="8e801b0482663c7feae7db35e31d2508" args="() const" -->size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_cipher_mode_base.html#8e801b0482663c7feae7db35e31d2508">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" nowrap align="right" valign="top"><a class="anchor" name="9b16d528a9a2657a7efbd85e45a80571"></a><!-- doxytag: member="CBC_Encryption::DefaultKeyLength" ref="9b16d528a9a2657a7efbd85e45a80571" args="() const" -->size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_cipher_mode_base.html#9b16d528a9a2657a7efbd85e45a80571">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" nowrap align="right" valign="top"><a class="anchor" name="0d81c8b9da00b08f0696603e4992c57a"></a><!-- doxytag: member="CBC_Encryption::GetValidKeyLength" ref="0d81c8b9da00b08f0696603e4992c57a" args="(size_t n) const" -->size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="class_cipher_mode_base.html#0d81c8b9da00b08f0696603e4992c57a">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" nowrap align="right" valign="top"><a class="anchor" name="47431eef8c1e41afd62b99a9e9202b58"></a><!-- doxytag: member="CBC_Encryption::IsValidKeyLength" ref="47431eef8c1e41afd62b99a9e9202b58" args="(size_t n) const" -->bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_cipher_mode_base.html#47431eef8c1e41afd62b99a9e9202b58">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" nowrap align="right" valign="top"><a class="anchor" name="c534eff2d4e72b61cc848af0f94805de"></a><!-- doxytag: member="CBC_Encryption::OptimalDataAlignment" ref="c534eff2d4e72b61cc848af0f94805de" args="() const" -->unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_cipher_mode_base.html#c534eff2d4e72b61cc848af0f94805de">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="07313a860fd63d27f9b7aeeb8c2b36c2"></a><!-- doxytag: member="CBC_Encryption::IVSize" ref="07313a860fd63d27f9b7aeeb8c2b36c2" args="() const" -->unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_cipher_mode_base.html#07313a860fd63d27f9b7aeeb8c2b36c2">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="el" href="class_stream_transformation.html">StreamTransformation</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_transformation.html#8c9304fff5af593ee68d3cf0d33c06e9">Ref</a> ()</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">return a reference to this object, <a href="#8c9304fff5af593ee68d3cf0d33c06e9"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_transformation.html#f66ef64545279c01310718af3d627534">OptimalBlockSize</a> () const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">returns the input block size that is most efficient for this cipher <a href="#f66ef64545279c01310718af3d627534"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b8422f6eee08fbc70069e222186e90de"></a><!-- doxytag: member="CBC_Encryption::GetOptimalBlockSizeUsed" ref="b8422f6eee08fbc70069e222186e90de" args="() const" -->virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_transformation.html#b8422f6eee08fbc70069e222186e90de">GetOptimalBlockSizeUsed</a> () const</td></tr>⌨️ 快捷键说明
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