os/ossrv/ssl/libcrypto/src/crypto/des/des3s.cpp
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/ssl/libcrypto/src/crypto/des/des3s.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,67 @@
     1.4 +//
     1.5 +// gettsc.inl
     1.6 +//
     1.7 +// gives access to the Pentium's (secret) cycle counter
     1.8 +//
     1.9 +// This software was written by Leonard Janke (janke@unixg.ubc.ca)
    1.10 +// in 1996-7 and is entered, by him, into the public domain.
    1.11 +
    1.12 +#if defined(__WATCOMC__)
    1.13 +void GetTSC(unsigned long&);
    1.14 +#pragma aux GetTSC = 0x0f 0x31 "mov [edi], eax" parm [edi] modify [edx eax];
    1.15 +#elif defined(__GNUC__)
    1.16 +inline
    1.17 +void GetTSC(unsigned long& tsc)
    1.18 +{
    1.19 +  asm volatile(".byte 15, 49\n\t"
    1.20 +	       : "=eax" (tsc)
    1.21 +	       :
    1.22 +	       : "%edx", "%eax");
    1.23 +}
    1.24 +#elif defined(_MSC_VER)
    1.25 +inline
    1.26 +void GetTSC(unsigned long& tsc)
    1.27 +{
    1.28 +  unsigned long a;
    1.29 +  __asm _emit 0fh
    1.30 +  __asm _emit 31h
    1.31 +  __asm mov a, eax;
    1.32 +  tsc=a;
    1.33 +}
    1.34 +#endif      
    1.35 +
    1.36 +#include <stdio.h>
    1.37 +#include <stdlib.h>
    1.38 +#include <openssl/des.h>
    1.39 +
    1.40 +void main(int argc,char *argv[])
    1.41 +	{
    1.42 +	des_key_schedule key1,key2,key3;
    1.43 +	unsigned long s1,s2,e1,e2;
    1.44 +	unsigned long data[2];
    1.45 +	int i,j;
    1.46 +
    1.47 +	for (j=0; j<6; j++)
    1.48 +		{
    1.49 +		for (i=0; i<1000; i++) /**/
    1.50 +			{
    1.51 +			des_encrypt3(&data[0],key1,key2,key3);
    1.52 +			GetTSC(s1);
    1.53 +			des_encrypt3(&data[0],key1,key2,key3);
    1.54 +			des_encrypt3(&data[0],key1,key2,key3);
    1.55 +			des_encrypt3(&data[0],key1,key2,key3);
    1.56 +			GetTSC(e1);
    1.57 +			GetTSC(s2);
    1.58 +			des_encrypt3(&data[0],key1,key2,key3);
    1.59 +			des_encrypt3(&data[0],key1,key2,key3);
    1.60 +			des_encrypt3(&data[0],key1,key2,key3);
    1.61 +			des_encrypt3(&data[0],key1,key2,key3);
    1.62 +			GetTSC(e2);
    1.63 +			des_encrypt3(&data[0],key1,key2,key3);
    1.64 +			}
    1.65 +
    1.66 +		printf("des %d %d (%d)\n",
    1.67 +			e1-s1,e2-s2,((e2-s2)-(e1-s1)));
    1.68 +		}
    1.69 +	}
    1.70 +