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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++: ripemd.cpp Source File</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><a href="classes.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>File Members</span></a></li> </ul></div><h1>ripemd.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// ripemd.cpp</span><a name="l00002"></a>00002 <span class="comment">// RIPEMD-160 written and placed in the public domain by Wei Dai</span><a name="l00003"></a>00003 <span class="comment">// RIPEMD-320, RIPEMD-128, RIPEMD-256 written by Kevin Springle</span><a name="l00004"></a>00004 <span class="comment">// and also placed in the public domain</span><a name="l00005"></a>00005 <a name="l00006"></a>00006 <span class="preprocessor">#include "pch.h"</span><a name="l00007"></a>00007 <span class="preprocessor">#include "ripemd.h"</span><a name="l00008"></a>00008 <span class="preprocessor">#include "misc.h"</span><a name="l00009"></a>00009 <a name="l00010"></a>00010 NAMESPACE_BEGIN(CryptoPP)<a name="l00011"></a>00011 <a name="l00012"></a>00012 <span class="preprocessor">#define F(x, y, z) (x ^ y ^ z) </span><a name="l00013"></a>00013 <span class="preprocessor"></span><span class="preprocessor">#define G(x, y, z) (z ^ (x & (y^z)))</span><a name="l00014"></a>00014 <span class="preprocessor"></span><span class="preprocessor">#define H(x, y, z) (z ^ (x | ~y))</span><a name="l00015"></a>00015 <span class="preprocessor"></span><span class="preprocessor">#define I(x, y, z) (y ^ (z & (x^y)))</span><a name="l00016"></a>00016 <span class="preprocessor"></span><span class="preprocessor">#define J(x, y, z) (x ^ (y | ~z))</span><a name="l00017"></a>00017 <span class="preprocessor"></span><a name="l00018"></a>00018 <span class="preprocessor">#define k0 0</span><a name="l00019"></a>00019 <span class="preprocessor"></span><span class="preprocessor">#define k1 0x5a827999UL</span><a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor">#define k2 0x6ed9eba1UL</span><a name="l00021"></a>00021 <span class="preprocessor"></span><span class="preprocessor">#define k3 0x8f1bbcdcUL</span><a name="l00022"></a>00022 <span class="preprocessor"></span><span class="preprocessor">#define k4 0xa953fd4eUL</span><a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#define k5 0x50a28be6UL</span><a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#define k6 0x5c4dd124UL</span><a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#define k7 0x6d703ef3UL</span><a name="l00026"></a>00026 <span class="preprocessor"></span><span class="preprocessor">#define k8 0x7a6d76e9UL</span><a name="l00027"></a>00027 <span class="preprocessor"></span><span class="preprocessor">#define k9 0</span><a name="l00028"></a>00028 <span class="preprocessor"></span><a name="l00029"></a>00029 <span class="comment">// *************************************************************</span><a name="l00030"></a>00030 <a name="l00031"></a>00031 <span class="comment">// for 160 and 320</span><a name="l00032"></a>00032 <span class="preprocessor">#define Subround(f, a, b, c, d, e, x, s, k) \</span><a name="l00033"></a>00033 <span class="preprocessor"> a += f(b, c, d) + x + k;\</span><a name="l00034"></a>00034 <span class="preprocessor"> a = rotlFixed((word32)a, s) + e;\</span><a name="l00035"></a>00035 <span class="preprocessor"> c = rotlFixed((word32)c, 10U)</span><a name="l00036"></a>00036 <span class="preprocessor"></span><a name="l00037"></a><a class="code" href="class_r_i_p_e_m_d160.html#767bbd27f42072bf95e0750fda8e5209">00037</a> <span class="keywordtype">void</span> <a class="code" href="class_r_i_p_e_m_d160.html#767bbd27f42072bf95e0750fda8e5209">RIPEMD160::InitState</a>(HashWordType *state)<a name="l00038"></a>00038 {<a name="l00039"></a>00039 state[0] = 0x67452301L;<a name="l00040"></a>00040 state[1] = 0xefcdab89L;<a name="l00041"></a>00041 state[2] = 0x98badcfeL;<a name="l00042"></a>00042 state[3] = 0x10325476L;<a name="l00043"></a>00043 state[4] = 0xc3d2e1f0L;<a name="l00044"></a>00044 }<a name="l00045"></a>00045 <a name="l00046"></a><a class="code" href="class_r_i_p_e_m_d160.html#69886269110f93f4cb63f3ebd472e29e">00046</a> <span class="keywordtype">void</span> <a class="code" href="class_r_i_p_e_m_d160.html#69886269110f93f4cb63f3ebd472e29e">RIPEMD160::Transform</a> (word32 *digest, <span class="keyword">const</span> word32 *X)<a name="l00047"></a>00047 {<a name="l00048"></a>00048 <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> a1, b1, c1, d1, e1, a2, b2, c2, d2, e2;<a name="l00049"></a>00049 a1 = a2 = digest[0];<a name="l00050"></a>00050 b1 = b2 = digest[1];<a name="l00051"></a>00051 c1 = c2 = digest[2];<a name="l00052"></a>00052 d1 = d2 = digest[3];<a name="l00053"></a>00053 e1 = e2 = digest[4];<a name="l00054"></a>00054 <a name="l00055"></a>00055 Subround(F, a1, b1, c1, d1, e1, X[ 0], 11, k0);<a name="l00056"></a>00056 Subround(F, e1, a1, b1, c1, d1, X[ 1], 14, k0);<a name="l00057"></a>00057 Subround(F, d1, e1, a1, b1, c1, X[ 2], 15, k0);<a name="l00058"></a>00058 Subround(F, c1, d1, e1, a1, b1, X[ 3], 12, k0);<a name="l00059"></a>00059 Subround(F, b1, c1, d1, e1, a1, X[ 4], 5, k0);<a name="l00060"></a>00060 Subround(F, a1, b1, c1, d1, e1, X[ 5], 8, k0);<a name="l00061"></a>00061 Subround(F, e1, a1, b1, c1, d1, X[ 6], 7, k0);<a name="l00062"></a>00062 Subround(F, d1, e1, a1, b1, c1, X[ 7], 9, k0);<a name="l00063"></a>00063 Subround(F, c1, d1, e1, a1, b1, X[ 8], 11, k0);<a name="l00064"></a>00064 Subround(F, b1, c1, d1, e1, a1, X[ 9], 13, k0);<a name="l00065"></a>00065 Subround(F, a1, b1, c1, d1, e1, X[10], 14, k0);<a name="l00066"></a>00066 Subround(F, e1, a1, b1, c1, d1, X[11], 15, k0);<a name="l00067"></a>00067 Subround(F, d1, e1, a1, b1, c1, X[12], 6, k0);<a name="l00068"></a>00068 Subround(F, c1, d1, e1, a1, b1, X[13], 7, k0);<a name="l00069"></a>00069 Subround(F, b1, c1, d1, e1, a1, X[14], 9, k0);<a name="l00070"></a>00070 Subround(F, a1, b1, c1, d1, e1, X[15], 8, k0);<a name="l00071"></a>00071 <a name="l00072"></a>00072 Subround(G, e1, a1, b1, c1, d1, X[ 7], 7, k1);<a name="l00073"></a>00073 Subround(G, d1, e1, a1, b1, c1, X[ 4], 6, k1);<a name="l00074"></a>00074 Subround(G, c1, d1, e1, a1, b1, X[13], 8, k1);<a name="l00075"></a>00075 Subround(G, b1, c1, d1, e1, a1, X[ 1], 13, k1);<a name="l00076"></a>00076 Subround(G, a1, b1, c1, d1, e1, X[10], 11, k1);<a name="l00077"></a>00077 Subround(G, e1, a1, b1, c1, d1, X[ 6], 9, k1);<a name="l00078"></a>00078 Subround(G, d1, e1, a1, b1, c1, X[15], 7, k1);<a name="l00079"></a>00079 Subround(G, c1, d1, e1, a1, b1, X[ 3], 15, k1);<a name="l00080"></a>00080 Subround(G, b1, c1, d1, e1, a1, X[12], 7, k1);<a name="l00081"></a>00081 Subround(G, a1, b1, c1, d1, e1, X[ 0], 12, k1);<a name="l00082"></a>00082 Subround(G, e1, a1, b1, c1, d1, X[ 9], 15, k1);<a name="l00083"></a>00083 Subround(G, d1, e1, a1, b1, c1, X[ 5], 9, k1);<a name="l00084"></a>00084 Subround(G, c1, d1, e1, a1, b1, X[ 2], 11, k1);<a name="l00085"></a>00085 Subround(G, b1, c1, d1, e1, a1, X[14], 7, k1);<a name="l00086"></a>00086 Subround(G, a1, b1, c1, d1, e1, X[11], 13, k1);<a name="l00087"></a>00087 Subround(G, e1, a1, b1, c1, d1, X[ 8], 12, k1);<a name="l00088"></a>00088 <a name="l00089"></a>00089 Subround(H, d1, e1, a1, b1, c1, X[ 3], 11, k2);<a name="l00090"></a>00090 Subround(H, c1, d1, e1, a1, b1, X[10], 13, k2);<a name="l00091"></a>00091 Subround(H, b1, c1, d1, e1, a1, X[14], 6, k2);<a name="l00092"></a>00092 Subround(H, a1, b1, c1, d1, e1, X[ 4], 7, k2);<a name="l00093"></a>00093 Subround(H, e1, a1, b1, c1, d1, X[ 9], 14, k2);<a name="l00094"></a>00094 Subround(H, d1, e1, a1, b1, c1, X[15], 9, k2);<a name="l00095"></a>00095 Subround(H, c1, d1, e1, a1, b1, X[ 8], 13, k2);<a name="l00096"></a>00096 Subround(H, b1, c1, d1, e1, a1, X[ 1], 15, k2);<a name="l00097"></a>00097 Subround(H, a1, b1, c1, d1, e1, X[ 2], 14, k2);<a name="l00098"></a>00098 Subround(H, e1, a1, b1, c1, d1, X[ 7], 8, k2);<a name="l00099"></a>00099 Subround(H, d1, e1, a1, b1, c1, X[ 0], 13, k2);<a name="l00100"></a>00100 Subround(H, c1, d1, e1, a1, b1, X[ 6], 6, k2);<a name="l00101"></a>00101 Subround(H, b1, c1, d1, e1, a1, X[13], 5, k2);<a name="l00102"></a>00102 Subround(H, a1, b1, c1, d1, e1, X[11], 12, k2);<a name="l00103"></a>00103 Subround(H, e1, a1, b1, c1, d1, X[ 5], 7, k2);<a name="l00104"></a>00104 Subround(H, d1, e1, a1, b1, c1, X[12], 5, k2);<a name="l00105"></a>00105 <a name="l00106"></a>00106 Subround(I, c1, d1, e1, a1, b1, X[ 1], 11, k3);<a name="l00107"></a>00107 Subround(I, b1, c1, d1, e1, a1, X[ 9], 12, k3);<a name="l00108"></a>00108 Subround(I, a1, b1, c1, d1, e1, X[11], 14, k3);<a name="l00109"></a>00109 Subround(I, e1, a1, b1, c1, d1, X[10], 15, k3);<a name="l00110"></a>00110 Subround(I, d1, e1, a1, b1, c1, X[ 0], 14, k3);<a name="l00111"></a>00111 Subround(I, c1, d1, e1, a1, b1, X[ 8], 15, k3);<a name="l00112"></a>00112 Subround(I, b1, c1, d1, e1, a1, X[12], 9, k3);<a name="l00113"></a>00113 Subround(I, a1, b1, c1, d1, e1, X[ 4], 8, k3);<a name="l00114"></a>00114 Subround(I, e1, a1, b1, c1, d1, X[13], 9, k3);<a name="l00115"></a>00115 Subround(I, d1, e1, a1, b1, c1, X[ 3], 14, k3);<a name="l00116"></a>00116 Subround(I, c1, d1, e1, a1, b1, X[ 7], 5, k3);<a name="l00117"></a>00117 Subround(I, b1, c1, d1, e1, a1, X[15], 6, k3);<a name="l00118"></a>00118 Subround(I, a1, b1, c1, d1, e1, X[14], 8, k3);<a name="l00119"></a>00119 Subround(I, e1, a1, b1, c1, d1, X[ 5], 6, k3);<a name="l00120"></a>00120 Subround(I, d1, e1, a1, b1, c1, X[ 6], 5, k3);<a name="l00121"></a>00121 Subround(I, c1, d1, e1, a1, b1, X[ 2], 12, k3);<a name="l00122"></a>00122 <a name="l00123"></a>00123 Subround(J, b1, c1, d1, e1, a1, X[ 4], 9, k4);<a name="l00124"></a>00124 Subround(J, a1, b1, c1, d1, e1, X[ 0], 15, k4);<a name="l00125"></a>00125 Subround(J, e1, a1, b1, c1, d1, X[ 5], 5, k4);<a name="l00126"></a>00126 Subround(J, d1, e1, a1, b1, c1, X[ 9], 11, k4);<a name="l00127"></a>00127 Subround(J, c1, d1, e1, a1, b1, X[ 7], 6, k4);<a name="l00128"></a>00128 Subround(J, b1, c1, d1, e1, a1, X[12], 8, k4);<a name="l00129"></a>00129 Subround(J, a1, b1, c1, d1, e1, X[ 2], 13, k4);<a name="l00130"></a>00130 Subround(J, e1, a1, b1, c1, d1, X[10], 12, k4);<a name="l00131"></a>00131 Subround(J, d1, e1, a1, b1, c1, X[14], 5, k4);<a name="l00132"></a>00132 Subround(J, c1, d1, e1, a1, b1, X[ 1], 12, k4);<a name="l00133"></a>00133 Subround(J, b1, c1, d1, e1, a1, X[ 3], 13, k4);<a name="l00134"></a>00134 Subround(J, a1, b1, c1, d1, e1, X[ 8], 14, k4);<a name="l00135"></a>00135 Subround(J, e1, a1, b1, c1, d1, X[11], 11, k4);<a name="l00136"></a>00136 Subround(J, d1, e1, a1, b1, c1, X[ 6], 8, k4);<a name="l00137"></a>00137 Subround(J, c1, d1, e1, a1, b1, X[15], 5, k4);<a name="l00138"></a>00138 Subround(J, b1, c1, d1, e1, a1, X[13], 6, k4);<a name="l00139"></a>00139 <a name="l00140"></a>00140 Subround(J, a2, b2, c2, d2, e2, X[ 5], 8, k5);<a name="l00141"></a>00141 Subround(J, e2, a2, b2, c2, d2, X[14], 9, k5);<a name="l00142"></a>00142 Subround(J, d2, e2, a2, b2, c2, X[ 7], 9, k5);<a name="l00143"></a>00143 Subround(J, c2, d2, e2, a2, b2, X[ 0], 11, k5);<a name="l00144"></a>00144 Subround(J, b2, c2, d2, e2, a2, X[ 9], 13, k5);<a name="l00145"></a>00145 Subround(J, a2, b2, c2, d2, e2, X[ 2], 15, k5);⌨️ 快捷键说明
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