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Viewing changes to crypto/bf/bfs.cpp

  • Committer: Brian Sidebotham
  • Date: 2013-10-19 21:50:27 UTC
  • Revision ID: brian.sidebotham@gmail.com-20131019215027-yzoyh4svqj87uepu
Import OpenSSL 1.0.1e

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crypto/bf/bfs.cpp
 
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//
 
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// gettsc.inl
 
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//
 
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// gives access to the Pentium's (secret) cycle counter
 
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//
 
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// This software was written by Leonard Janke (janke@unixg.ubc.ca)
 
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// in 1996-7 and is entered, by him, into the public domain.
 
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#if defined(__WATCOMC__)
 
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void GetTSC(unsigned long&);
 
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#pragma aux GetTSC = 0x0f 0x31 "mov [edi], eax" parm [edi] modify [edx eax];
 
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#elif defined(__GNUC__)
 
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inline
 
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void GetTSC(unsigned long& tsc)
 
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{
 
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  asm volatile(".byte 15, 49\n\t"
 
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               : "=eax" (tsc)
 
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               :
 
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               : "%edx", "%eax");
 
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}
 
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#elif defined(_MSC_VER)
 
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inline
 
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void GetTSC(unsigned long& tsc)
 
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{
 
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  unsigned long a;
 
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  __asm _emit 0fh
 
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  __asm _emit 31h
 
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  __asm mov a, eax;
 
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  tsc=a;
 
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}
 
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#endif      
 
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#include <stdio.h>
 
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#include <stdlib.h>
 
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#include <openssl/blowfish.h>
 
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void main(int argc,char *argv[])
 
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        {
 
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        BF_KEY key;
 
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        unsigned long s1,s2,e1,e2;
 
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        unsigned long data[2];
 
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        int i,j;
 
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        for (j=0; j<6; j++)
 
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                {
 
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                for (i=0; i<1000; i++) /**/
 
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                        {
 
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                        BF_encrypt(&data[0],&key);
 
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                        GetTSC(s1);
 
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                        BF_encrypt(&data[0],&key);
 
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                        BF_encrypt(&data[0],&key);
 
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                        BF_encrypt(&data[0],&key);
 
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                        GetTSC(e1);
 
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                        GetTSC(s2);
 
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                        BF_encrypt(&data[0],&key);
 
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                        BF_encrypt(&data[0],&key);
 
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                        BF_encrypt(&data[0],&key);
 
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                        BF_encrypt(&data[0],&key);
 
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                        GetTSC(e2);
 
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                        BF_encrypt(&data[0],&key);
 
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                        }
 
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                printf("blowfish %d %d (%d)\n",
 
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                        e1-s1,e2-s2,((e2-s2)-(e1-s1)));
 
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                }
 
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        }
 
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