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