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Side by Side Diff: openssl/crypto/des/dess.cpp

Issue 2072073002: Delete bundled copy of OpenSSL and replace with README. (Closed) Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master
Patch Set: Delete bundled copy of OpenSSL and replace with README. Created 4 years, 6 months ago
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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__)
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/des.h>
36
37 void main(int argc,char *argv[])
38 {
39 des_key_schedule key;
40 unsigned long s1,s2,e1,e2;
41 unsigned long data[2];
42 int i,j;
43
44 for (j=0; j<6; j++)
45 {
46 for (i=0; i<1000; i++) /**/
47 {
48 des_encrypt1(&data[0],key,1);
49 GetTSC(s1);
50 des_encrypt1(&data[0],key,1);
51 des_encrypt1(&data[0],key,1);
52 des_encrypt1(&data[0],key,1);
53 GetTSC(e1);
54 GetTSC(s2);
55 des_encrypt1(&data[0],key,1);
56 des_encrypt1(&data[0],key,1);
57 des_encrypt1(&data[0],key,1);
58 des_encrypt1(&data[0],key,1);
59 GetTSC(e2);
60 des_encrypt1(&data[0],key,1);
61 }
62
63 printf("des %d %d (%d)\n",
64 e1-s1,e2-s2,((e2-s2)-(e1-s1)));
65 }
66 }
67
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