1// 2// gettsc.inl 3// 4// gives access to the Pentium's (secret) cycle counter 5// 6// This software was written by Leonard Janke (janke@unixg.ubc.ca) 7// in 1996-7 and is entered, by him, into the public domain. 8 9#if defined(__WATCOMC__) 10void GetTSC(unsigned long&); 11#pragma aux GetTSC = 0x0f 0x31 "mov [edi], eax" parm [edi] modify [edx eax]; 12#elif defined(__GNUC__) 13inline 14void GetTSC(unsigned long& tsc) 15{ 16 asm volatile(".byte 15, 49\n\t" 17 : "=eax" (tsc) 18 : 19 : "%edx", "%eax"); 20} 21#elif defined(_MSC_VER) 22inline 23void GetTSC(unsigned long& tsc) 24{ 25 unsigned long a; 26 __asm _emit 0fh 27 __asm _emit 31h 28 __asm mov a, eax; 29 tsc=a; 30} 31#endif 32 33#include <stdio.h> 34#include <stdlib.h> 35#include <openssl/ripemd.h> 36 37#define ripemd160_block_x86 ripemd160_block_asm_host_order 38 39extern "C" { 40void ripemd160_block_x86(RIPEMD160_CTX *ctx, unsigned char *buffer,int num); 41} 42 43void main(int argc,char *argv[]) 44 { 45 unsigned char buffer[64*256]; 46 RIPEMD160_CTX ctx; 47 unsigned long s1,s2,e1,e2; 48 unsigned char k[16]; 49 unsigned long data[2]; 50 unsigned char iv[8]; 51 int i,num=0,numm; 52 int j=0; 53 54 if (argc >= 2) 55 num=atoi(argv[1]); 56 57 if (num == 0) num=16; 58 if (num > 250) num=16; 59 numm=num+2; 60#if 0 61 num*=64; 62 numm*=64; 63#endif 64 65 for (j=0; j<6; j++) 66 { 67 for (i=0; i<10; i++) /**/ 68 { 69 ripemd160_block_x86(&ctx,buffer,numm); 70 GetTSC(s1); 71 ripemd160_block_x86(&ctx,buffer,numm); 72 GetTSC(e1); 73 GetTSC(s2); 74 ripemd160_block_x86(&ctx,buffer,num); 75 GetTSC(e2); 76 ripemd160_block_x86(&ctx,buffer,num); 77 } 78 printf("ripemd160 (%d bytes) %d %d (%.2f)\n",num*64, 79 e1-s1,e2-s2,(double)((e1-s1)-(e2-s2))/2); 80 } 81 } 82 83