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 (at) unixg.ubc.ca) 7 // in 1996-7 and is entered, by him, into the public domain. 8 9 #if defined(__WATCOMC__) 10 void GetTSC(unsigned long&); 11 #pragma aux GetTSC = 0x0f 0x31 "mov [edi], eax" parm [edi] modify [edx eax]; 12 #elif defined(__GNUC__) 13 inline 14 void 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) 22 inline 23 void 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 39 extern "C" { 40 void ripemd160_block_x86(RIPEMD160_CTX *ctx, unsigned char *buffer,int num); 41 } 42 43 void 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
