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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++: bench2.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>bench2.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// bench2.cpp - written and placed in the public domain by Wei Dai</span><a name="l00002"></a>00002 <a name="l00003"></a>00003 <span class="preprocessor">#include "bench.h"</span><a name="l00004"></a>00004 <span class="preprocessor">#include "rng.h"</span><a name="l00005"></a>00005 <span class="preprocessor">#include "files.h"</span><a name="l00006"></a>00006 <span class="preprocessor">#include "hex.h"</span><a name="l00007"></a>00007 <a name="l00008"></a>00008 <span class="preprocessor">#include "<a class="code" href="rsa_8h.html" title="This file contains classes that implement the RSA ciphers and signature schemes as...">rsa.h</a>"</span><a name="l00009"></a>00009 <span class="preprocessor">#include "nr.h"</span><a name="l00010"></a>00010 <span class="preprocessor">#include "<a class="code" href="dsa_8h.html">dsa.h</a>"</span><a name="l00011"></a>00011 <span class="preprocessor">#include "<a class="code" href="luc_8h.html">luc.h</a>"</span><a name="l00012"></a>00012 <span class="preprocessor">#include "<a class="code" href="rw_8h.html" title="This file contains classes that implement the Rabin-Williams signature schemes as...">rw.h</a>"</span><a name="l00013"></a>00013 <span class="preprocessor">#include "<a class="code" href="eccrypto_8h.html">eccrypto.h</a>"</span><a name="l00014"></a>00014 <span class="preprocessor">#include "ecp.h"</span><a name="l00015"></a>00015 <span class="preprocessor">#include "ec2n.h"</span><a name="l00016"></a>00016 <span class="preprocessor">#include "asn.h"</span><a name="l00017"></a>00017 <span class="preprocessor">#include "<a class="code" href="dh_8h.html">dh.h</a>"</span><a name="l00018"></a>00018 <span class="preprocessor">#include "<a class="code" href="mqv_8h.html">mqv.h</a>"</span><a name="l00019"></a>00019 <span class="preprocessor">#include "<a class="code" href="xtrcrypt_8h.html" title=""The XTR public key system" by Arjen K.">xtrcrypt.h</a>"</span><a name="l00020"></a>00020 <span class="preprocessor">#include "<a class="code" href="esign_8h.html" title="This file contains classes that implement the ESIGN signature schemes as defined...">esign.h</a>"</span><a name="l00021"></a>00021 <span class="preprocessor">#include "pssr.h"</span><a name="l00022"></a>00022 <span class="preprocessor">#include "oids.h"</span><a name="l00023"></a>00023 <span class="preprocessor">#include "randpool.h"</span><a name="l00024"></a>00024 <a name="l00025"></a>00025 <span class="preprocessor">#include <time.h></span><a name="l00026"></a>00026 <span class="preprocessor">#include <math.h></span><a name="l00027"></a>00027 <span class="preprocessor">#include <iostream></span><a name="l00028"></a>00028 <span class="preprocessor">#include <iomanip></span><a name="l00029"></a>00029 <a name="l00030"></a>00030 USING_NAMESPACE(CryptoPP)<a name="l00031"></a>00031 USING_NAMESPACE(std)<a name="l00032"></a>00032 <a name="l00033"></a>00033 <span class="keywordtype">void</span> OutputResultOperations(const <span class="keywordtype">char</span> *name, const <span class="keywordtype">char</span> *operation, <span class="keywordtype">bool</span> pc, <span class="keywordtype">unsigned</span> <span class="keywordtype">long</span> iterations, <span class="keywordtype">double</span> timeTaken);<a name="l00034"></a>00034 <a name="l00035"></a>00035 <span class="keywordtype">void</span> BenchMarkEncryption(const <span class="keywordtype">char</span> *name, <a class="code" href="class_p_k___encryptor.html" title="interface for public-key encryptors">PK_Encryptor</a> &key, <span class="keywordtype">double</span> timeTotal, <span class="keywordtype">bool</span> pc=false)<a name="l00036"></a>00036 {<a name="l00037"></a>00037 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> len = 16;<a name="l00038"></a>00038 <a class="code" href="class_l_c___r_n_g.html" title="linear congruential generator">LC_RNG</a> rng((word32)time(NULL));<a name="l00039"></a>00039 <a class="code" href="class_sec_block.html" title="a block of memory allocated using A">SecByteBlock</a> plaintext(len), ciphertext(key.CiphertextLength(len));<a name="l00040"></a>00040 rng.GenerateBlock(plaintext, len);<a name="l00041"></a>00041 <a name="l00042"></a>00042 clock_t start = clock();<a name="l00043"></a>00043 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;<a name="l00044"></a>00044 <span class="keywordtype">double</span> timeTaken;<a name="l00045"></a>00045 <span class="keywordflow">for</span> (timeTaken=(<span class="keywordtype">double</span>)0, i=0; timeTaken < timeTotal; timeTaken = double(clock() - start) / CLOCK_TICKS_PER_SECOND, i++)<a name="l00046"></a>00046 key.Encrypt(rng, plaintext, len, ciphertext);<a name="l00047"></a>00047 <a name="l00048"></a>00048 OutputResultOperations(name, <span class="stringliteral">"Encryption"</span>, pc, i, timeTaken);<a name="l00049"></a>00049 <a name="l00050"></a>00050 <span class="keywordflow">if</span> (!pc && key.GetMaterial().SupportsPrecomputation())<a name="l00051"></a>00051 {<a name="l00052"></a>00052 key.AccessMaterial().Precompute(16);<a name="l00053"></a>00053 BenchMarkEncryption(name, key, timeTotal, <span class="keyword">true</span>);<a name="l00054"></a>00054 }<a name="l00055"></a>00055 }<a name="l00056"></a>00056 <a name="l00057"></a>00057 <span class="keywordtype">void</span> BenchMarkDecryption(<span class="keyword">const</span> <span class="keywordtype">char</span> *name, <a class="code" href="class_p_k___decryptor.html" title="interface for public-key decryptors">PK_Decryptor</a> &priv, <a class="code" href="class_p_k___encryptor.html" title="interface for public-key encryptors">PK_Encryptor</a> &pub, <span class="keywordtype">double</span> timeTotal)<a name="l00058"></a>00058 {<a name="l00059"></a>00059 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> len = 16;<a name="l00060"></a>00060 <a class="code" href="class_l_c___r_n_g.html" title="linear congruential generator">LC_RNG</a> rng((word32)time(NULL));<a name="l00061"></a>00061 <a class="code" href="class_sec_block.html" title="a block of memory allocated using A">SecByteBlock</a> ciphertext(pub.<a class="code" href="class_p_k___crypto_system.html#bf04a4e08fb69a1a118bad3e998ef6a6" title="calculate length of ciphertext given length of plaintext">CiphertextLength</a>(len));<a name="l00062"></a>00062 <a class="code" href="class_sec_block.html" title="a block of memory allocated using A">SecByteBlock</a> plaintext(pub.<a class="code" href="class_p_k___crypto_system.html#a4a3552c933a36b3aea26f31d00bee9b" title="maximum length of plaintext for a given ciphertext length">MaxPlaintextLength</a>(ciphertext.size()));<a name="l00063"></a>00063 rng.GenerateBlock(plaintext, len);<a name="l00064"></a>00064 pub.<a class="code" href="class_p_k___encryptor.html#42361bf7692153da9437802df4064258" title="encrypt a byte string">Encrypt</a>(rng, plaintext, len, ciphertext);<a name="l00065"></a>00065 <a name="l00066"></a>00066 clock_t start = clock();<a name="l00067"></a>00067 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> i;<a name="l00068"></a>00068 <span class="keywordtype">double</span> timeTaken;⌨️ 快捷键说明
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