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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++: Weak1::ARC4_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><div class="nav"><a class="el" href="namespace_weak1.html">Weak1</a>::<a class="el" href="class_weak1_1_1_a_r_c4___base.html">ARC4_Base</a></div><h1>Weak1::ARC4_Base Class Reference</h1><!-- doxytag: class="Weak1::ARC4_Base" --><!-- doxytag: inherits="VariableKeyLength< 16, 1, 256 >,RandomNumberGenerator,SymmetricCipher,SymmetricCipherDocumentation" --><code>#include <<a class="el" href="arc4_8h-source.html">arc4.h</a>></code><p><p>Inheritance diagram for Weak1::ARC4_Base:<p><center><img src="class_weak1_1_1_a_r_c4___base.png" usemap="#Weak1::ARC4_Base_map" border="0" alt=""></center><map name="Weak1::ARC4_Base_map"><area href="class_variable_key_length.html" alt="VariableKeyLength< 16, 1, 256 >" shape="rect" coords="0,168,204,192"><area href="class_random_number_generator.html" alt="RandomNumberGenerator" shape="rect" coords="214,168,418,192"><area href="class_symmetric_cipher.html" alt="SymmetricCipher" shape="rect" coords="535,168,739,192"><area href="struct_symmetric_cipher_documentation.html" alt="SymmetricCipherDocumentation" shape="rect" coords="749,168,953,192"><area href="class_algorithm.html" alt="Algorithm" shape="rect" coords="214,112,418,136"><area href="class_stream_transformation.html" alt="StreamTransformation" shape="rect" coords="428,112,632,136"><area href="class_simple_keying_interface.html" alt="SimpleKeyingInterface" shape="rect" coords="642,112,846,136"><area href="class_clonable.html" alt="Clonable" shape="rect" coords="214,56,418,80"><area href="class_algorithm.html" alt="Algorithm" shape="rect" coords="428,56,632,80"><area href="class_clonable.html" alt="Clonable" shape="rect" coords="428,0,632,24"><area href="class_weak1_1_1_m_a_r_c4___base.html" alt="Weak1::MARC4_Base" shape="rect" coords="374,280,578,304"></map><a href="class_weak1_1_1_a_r_c4___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="arc4_8h-source.html#l00011">11</a> of file <a class="el" href="arc4_8h-source.html">arc4.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="9e14d67062c2aa558da3804528c1c78e"></a><!-- doxytag: member="Weak1::ARC4_Base::Encryption" ref="9e14d67062c2aa558da3804528c1c78e" args="" -->typedef <a class="el" href="class_symmetric_cipher_final.html">SymmetricCipherFinal</a><<br> <a class="el" href="class_weak1_1_1_a_r_c4___base.html">ARC4_Base</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="class_weak1_1_1_a_r_c4___base.html#9e14d67062c2aa558da3804528c1c78e">Encryption</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">implements the <a class="el" href="class_symmetric_cipher.html" title="interface for one direction (encryption or decryption) of a stream cipher or cipher...">SymmetricCipher</a> interface <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d95266ae341c311c81ee2f7801b34e93"></a><!-- doxytag: member="Weak1::ARC4_Base::Decryption" ref="d95266ae341c311c81ee2f7801b34e93" args="" -->typedef <a class="el" href="class_symmetric_cipher_final.html">SymmetricCipherFinal</a><<br> <a class="el" href="class_weak1_1_1_a_r_c4___base.html">ARC4_Base</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="class_weak1_1_1_a_r_c4___base.html#d95266ae341c311c81ee2f7801b34e93">Decryption</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">implements the <a class="el" href="class_symmetric_cipher.html" title="interface for one direction (encryption or decryption) of a stream cipher or cipher...">SymmetricCipher</a> interface <br></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="32a4bee98452d1b1b33cd0cabc254254"></a><!-- doxytag: member="Weak1::ARC4_Base::~ARC4_Base" ref="32a4bee98452d1b1b33cd0cabc254254" args="()" --> </td><td class="memItemRight" valign="bottom"><a class="el" href="class_weak1_1_1_a_r_c4___base.html#32a4bee98452d1b1b33cd0cabc254254">~ARC4_Base</a> ()</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="05b6c97fbbd0dd2636a330242dd768dc"></a><!-- doxytag: member="Weak1::ARC4_Base::GenerateBlock" ref="05b6c97fbbd0dd2636a330242dd768dc" args="(byte *output, size_t size)" -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_weak1_1_1_a_r_c4___base.html#05b6c97fbbd0dd2636a330242dd768dc">GenerateBlock</a> (byte *output, size_t size)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">generate random array of bytes <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e9e92ea2c4591c2ceea61b3babea8504"></a><!-- doxytag: member="Weak1::ARC4_Base::DiscardBytes" ref="e9e92ea2c4591c2ceea61b3babea8504" args="(size_t n)" -->void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_weak1_1_1_a_r_c4___base.html#e9e92ea2c4591c2ceea61b3babea8504">DiscardBytes</a> (size_t n)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">generate and discard n bytes <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_weak1_1_1_a_r_c4___base.html#a20124dfc1bac5050b1cd922e552ba95">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="#a20124dfc1bac5050b1cd922e552ba95"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="093cb18f8ff91e5a42a7e0e73f70b4f4"></a><!-- doxytag: member="Weak1::ARC4_Base::IsRandomAccess" ref="093cb18f8ff91e5a42a7e0e73f70b4f4" args="() const" -->bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_weak1_1_1_a_r_c4___base.html#093cb18f8ff91e5a42a7e0e73f70b4f4">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="459e81763a1cb9ccd0c9745bffeb2927"></a><!-- doxytag: member="Weak1::ARC4_Base::IsSelfInverting" ref="459e81763a1cb9ccd0c9745bffeb2927" args="() const" -->bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_weak1_1_1_a_r_c4___base.html#459e81763a1cb9ccd0c9745bffeb2927">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="fa54084327fdd763028be008821555af"></a><!-- doxytag: member="Weak1::ARC4_Base::IsForwardTransformation" ref="fa54084327fdd763028be008821555af" args="() const" -->bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_weak1_1_1_a_r_c4___base.html#fa54084327fdd763028be008821555af">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="6feb4f0afedb62a495b7a9ae311fa1cb"></a><!-- doxytag: member="Weak1::ARC4_Base::IncorporateEntropy" ref="6feb4f0afedb62a495b7a9ae311fa1cb" args="(const byte *input, size_t length)" -->virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_random_number_generator.html#6feb4f0afedb62a495b7a9ae311fa1cb">IncorporateEntropy</a> (const byte *input, size_t length)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">update RNG state with additional unpredictable values <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="859bf69f7fae074201745eadf765ae44"></a><!-- doxytag: member="Weak1::ARC4_Base::CanIncorporateEntropy" ref="859bf69f7fae074201745eadf765ae44" args="() const" -->virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_random_number_generator.html#859bf69f7fae074201745eadf765ae44">CanIncorporateEntropy</a> () const</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">returns true if IncorporateEntropy is implemented <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="da0f7c437b0c8e6ba94ebcd75bff4bda"></a><!-- doxytag: member="Weak1::ARC4_Base::GenerateByte" ref="da0f7c437b0c8e6ba94ebcd75bff4bda" args="()" -->virtual byte </td><td class="memItemRight" valign="bottom"><a class="el" href="class_random_number_generator.html#da0f7c437b0c8e6ba94ebcd75bff4bda">GenerateByte</a> ()</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">generate new random byte and return it <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_random_number_generator.html#ce592244cfbd6c18398ea6c75857532e">GenerateBit</a> ()</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">generate new random bit and return it <a href="#ce592244cfbd6c18398ea6c75857532e"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="c06c9f5e66f35d643e4192f231b8a4cd"></a><!-- doxytag: member="Weak1::ARC4_Base::GenerateWord32" ref="c06c9f5e66f35d643e4192f231b8a4cd" args="(word32 a=0, word32 b=0xffffffffL)" -->virtual word32 </td><td class="memItemRight" valign="bottom"><a class="el" href="class_random_number_generator.html#c06c9f5e66f35d643e4192f231b8a4cd">GenerateWord32</a> (word32 a=0, word32 b=0xffffffffL)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">generate a random 32 bit word in the range min to max, inclusive <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="5cc474006e2c7383ec20cc4d0c2abbaf"></a><!-- doxytag: member="Weak1::ARC4_Base::GenerateIntoBufferedTransformation" ref="5cc474006e2c7383ec20cc4d0c2abbaf" args="(BufferedTransformation &target, const std::string &channel, lword length)" -->virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_random_number_generator.html#5cc474006e2c7383ec20cc4d0c2abbaf">GenerateIntoBufferedTransformation</a> (<a class="el" href="class_buffered_transformation.html">BufferedTransformation</a> &target, const std::string &channel, lword length)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">generate random bytes as input to a <a class="el" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> <br></td></tr><tr><td class="memTemplParams" nowrap colspan="2"><a class="anchor" name="9ef5090c556d086e7aa240acf7a131b4"></a><!-- doxytag: member="Weak1::ARC4_Base::Shuffle" ref="9ef5090c556d086e7aa240acf7a131b4" args="(IT begin, IT end)" -->template<class IT> </td></tr><tr><td class="memTemplItemLeft" nowrap align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="class_random_number_generator.html#9ef5090c556d086e7aa240acf7a131b4">Shuffle</a> (IT begin, IT end)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">randomly shuffle the specified array, resulting permutation is uniformly distributed <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4f31510a192d1121856efe8ad0a9b844"></a><!-- doxytag: member="Weak1::ARC4_Base::AlgorithmName" ref="4f31510a192d1121856efe8ad0a9b844" args="() const" -->virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="class_algorithm.html#4f31510a192d1121856efe8ad0a9b844">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="d0016ba2d505c23aa85aad49e6c19bb7"></a><!-- doxytag: member="Weak1::ARC4_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><tr><td class="mdescLeft"> </td><td class="mdescRight">this is not implemented by most classes yet <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"><a class="anchor" name="e224d250f716e82c54bc4e4c8930d188"></a><!-- doxytag: member="Weak1::ARC4_Base::MandatoryBlockSize" ref="e224d250f716e82c54bc4e4c8930d188" args="() const" -->virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_transformation.html#e224d250f716e82c54bc4e4c8930d188">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">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="Weak1::ARC4_Base::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><tr><td class="mdescLeft"> </td><td class="mdescRight">returns how much of the current block is used up <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b9e603c24d02c4538b77b9d59f36310e"></a><!-- doxytag: member="Weak1::ARC4_Base::OptimalDataAlignment" ref="b9e603c24d02c4538b77b9d59f36310e" args="() const" -->virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_transformation.html#b9e603c24d02c4538b77b9d59f36310e">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">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_transformation.html#0668b78edaea082f87bf3e878c4c02f7">ProcessLastBlock</a> (byte *outString, const byte *inString, size_t length)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">for ciphers where the last block of data is special, encrypt or decrypt the last block of data <a href="#0668b78edaea082f87bf3e878c4c02f7"></a><br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="0b7c5bc41b9b5f6443ee32d65ebc044c"></a><!-- doxytag: member="Weak1::ARC4_Base::MinLastBlockSize" ref="0b7c5bc41b9b5f6443ee32d65ebc044c" args="() const" -->virtual unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_stream_transformation.html#0b7c5bc41b9b5f6443ee32d65ebc044c">MinLastBlockSize</a> () const</td></tr>⌨️ 快捷键说明
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