📄 class_d_e_s.html
字号:
<!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++: DES 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>DES Class Reference</h1><!-- doxytag: class="DES" --><!-- doxytag: inherits="DES_Info,BlockCipherDocumentation" --><code>#include <<a class="el" href="des_8h-source.html">des.h</a>></code><p><p>Inheritance diagram for DES:<p><center><img src="class_d_e_s.png" usemap="#DES_map" border="0" alt=""></center><map name="DES_map"><area href="struct_d_e_s___info.html" alt="DES_Info" shape="rect" coords="87,56,251,80"><area href="struct_block_cipher_documentation.html" alt="BlockCipherDocumentation" shape="rect" coords="261,56,425,80"><area href="class_fixed_block_size.html" alt="FixedBlockSize< 8 >" shape="rect" coords="0,0,164,24"><area href="class_fixed_key_length.html" alt="FixedKeyLength< 8 >" shape="rect" coords="174,0,338,24"></map><a href="class_d_e_s-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2><a href="http://www.weidai.com/scan-mirror/cs.html#DES">DES</a> <p>The <a class="el" href="class_d_e_s.html" title="DES">DES</a> implementation in Crypto++ ignores the parity bits (the least significant bits of each byte) in the key. However you can use <a class="el" href="class_d_e_s.html#6f490a975dee8704a9c68771ce746335" title="check DES key parity bits">CheckKeyParityBits()</a> and <a class="el" href="class_d_e_s.html#b4b48b141706addb33c955c694dd9ead" title="correct DES key parity bits">CorrectKeyParityBits()</a> to check or correct the parity bits if you wish. <p><p>Definition at line <a class="el" href="des_8h-source.html#l00036">36</a> of file <a class="el" href="des_8h-source.html">des.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="cf2cdef8c9a64ca67a44117658890aa5"></a><!-- doxytag: member="DES::Encryption" ref="cf2cdef8c9a64ca67a44117658890aa5" args="" -->typedef <a class="el" href="class_block_cipher_final.html">BlockCipherFinal</a><<br> ENCRYPTION, Base > </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_e_s.html#cf2cdef8c9a64ca67a44117658890aa5">Encryption</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">implements the <a class="el" href="class_block_cipher.html" title="interface for one direction (encryption or decryption) of a block cipher">BlockCipher</a> interface <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="546cc867f9dfab26d5a41a198f738503"></a><!-- doxytag: member="DES::Decryption" ref="546cc867f9dfab26d5a41a198f738503" args="" -->typedef <a class="el" href="class_block_cipher_final.html">BlockCipherFinal</a><<br> DECRYPTION, Base > </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_e_s.html#546cc867f9dfab26d5a41a198f738503">Decryption</a></td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">implements the <a class="el" href="class_block_cipher.html" title="interface for one direction (encryption or decryption) of a block cipher">BlockCipher</a> interface <br></td></tr><tr><td colspan="2"><br><h2>Static Public Member Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="6f490a975dee8704a9c68771ce746335"></a><!-- doxytag: member="DES::CheckKeyParityBits" ref="6f490a975dee8704a9c68771ce746335" args="(const byte *key)" -->static bool </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_e_s.html#6f490a975dee8704a9c68771ce746335">CheckKeyParityBits</a> (const byte *key)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">check <a class="el" href="class_d_e_s.html" title="DES">DES</a> key parity bits <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b4b48b141706addb33c955c694dd9ead"></a><!-- doxytag: member="DES::CorrectKeyParityBits" ref="b4b48b141706addb33c955c694dd9ead" args="(byte *key)" -->static void </td><td class="memItemRight" valign="bottom"><a class="el" href="class_d_e_s.html#b4b48b141706addb33c955c694dd9ead">CorrectKeyParityBits</a> (byte *key)</td></tr><tr><td class="mdescLeft"> </td><td class="mdescRight">correct <a class="el" href="class_d_e_s.html" title="DES">DES</a> key parity bits <br></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="3328113a7778dafd4cb56cf634189be9"></a><!-- doxytag: member="DES::StaticAlgorithmName" ref="3328113a7778dafd4cb56cf634189be9" args="()" -->static const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="struct_d_e_s___info.html#3328113a7778dafd4cb56cf634189be9">StaticAlgorithmName</a> ()</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f6052c926d7d040b524a829e96710496"></a><!-- doxytag: member="DES::StaticGetValidKeyLength" ref="f6052c926d7d040b524a829e96710496" args="(size_t)" -->static size_t __cdecl </td><td class="memItemRight" valign="bottom"><a class="el" href="class_fixed_key_length.html#f6052c926d7d040b524a829e96710496">StaticGetValidKeyLength</a> (size_t)</td></tr><tr><td colspan="2"><br><h2>Static Public Attributes</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="2b051f369471fbb83d9b61a90b06e99f"></a><!-- doxytag: member="DES::BLOCKSIZE" ref="2b051f369471fbb83d9b61a90b06e99f" args="" -->static const int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_fixed_block_size.html#2b051f369471fbb83d9b61a90b06e99f">BLOCKSIZE</a></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b994d881a105849f64a973373e8f282c"></a><!-- doxytag: member="DES::KEYLENGTH" ref="b994d881a105849f64a973373e8f282c" args="" -->static const int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_fixed_key_length.html#b994d881a105849f64a973373e8f282c">KEYLENGTH</a></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="198440f34bfe0f343fab3cdbef586a3b"></a><!-- doxytag: member="DES::MIN_KEYLENGTH" ref="198440f34bfe0f343fab3cdbef586a3b" args="" -->static const int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_fixed_key_length.html#198440f34bfe0f343fab3cdbef586a3b">MIN_KEYLENGTH</a></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7c599a7ebb4e0fa4773c4cd1b4023b18"></a><!-- doxytag: member="DES::MAX_KEYLENGTH" ref="7c599a7ebb4e0fa4773c4cd1b4023b18" args="" -->static const int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_fixed_key_length.html#7c599a7ebb4e0fa4773c4cd1b4023b18">MAX_KEYLENGTH</a></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1e9951e11c42a0a8c75bd959bcf26f31"></a><!-- doxytag: member="DES::DEFAULT_KEYLENGTH" ref="1e9951e11c42a0a8c75bd959bcf26f31" args="" -->static const int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_fixed_key_length.html#1e9951e11c42a0a8c75bd959bcf26f31">DEFAULT_KEYLENGTH</a></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b1a634167fe78a3ee06554a268e6d61c"></a><!-- doxytag: member="DES::IV_REQUIREMENT" ref="b1a634167fe78a3ee06554a268e6d61c" args="" -->static const int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_fixed_key_length.html#b1a634167fe78a3ee06554a268e6d61c">IV_REQUIREMENT</a></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="467a0101968e4181f770509e19ebef28"></a><!-- doxytag: member="DES::IV_LENGTH" ref="467a0101968e4181f770509e19ebef28" args="" -->static const int </td><td class="memItemRight" valign="bottom"><a class="el" href="class_fixed_key_length.html#467a0101968e4181f770509e19ebef28">IV_LENGTH</a></td></tr><tr><td colspan="2"><br><h2>Classes</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">class </td><td class="memItemRight" valign="bottom"><b>Base</b></td></tr></table><hr>The documentation for this class was generated from the following files:<ul><li><a class="el" href="des_8h-source.html">des.h</a><li><a class="el" href="des_8cpp-source.html">des.cpp</a></ul><hr size="1"><address style="text-align: right;"><small>Generated on Fri Jun 1 11:11:33 2007 for Crypto++ by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.2 </small></address></body></html>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -