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author | Ralf S. Engelschall <rse@openssl.org> | 1998-12-21 10:56:39 +0000 |
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committer | Ralf S. Engelschall <rse@openssl.org> | 1998-12-21 10:56:39 +0000 |
commit | 58964a492275ca9a59a0cd9c8155cb2491b4b909 (patch) | |
tree | c7b16876a5789463bbbb468ef4829c8129b3d718 /times/x86/des3s.cpp | |
parent | d02b48c63a58ea4367a0e905979f140b7d090f86 (diff) | |
download | openssl-58964a492275ca9a59a0cd9c8155cb2491b4b909.tar.gz |
Import of old SSLeay release: SSLeay 0.9.0b
Diffstat (limited to 'times/x86/des3s.cpp')
-rw-r--r-- | times/x86/des3s.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/times/x86/des3s.cpp b/times/x86/des3s.cpp new file mode 100644 index 0000000000..9aff6494d9 --- /dev/null +++ b/times/x86/des3s.cpp @@ -0,0 +1,67 @@ +// +// 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 "des.h" + +void main(int argc,char *argv[]) + { + des_key_schedule key1,key2,key3; + unsigned long s1,s2,e1,e2; + unsigned long data[2]; + int i,j; + + for (j=0; j<6; j++) + { + for (i=0; i<1000; i++) /**/ + { + des_encrypt3(&data[0],key1,key2,key3); + GetTSC(s1); + des_encrypt3(&data[0],key1,key2,key3); + des_encrypt3(&data[0],key1,key2,key3); + des_encrypt3(&data[0],key1,key2,key3); + GetTSC(e1); + GetTSC(s2); + des_encrypt3(&data[0],key1,key2,key3); + des_encrypt3(&data[0],key1,key2,key3); + des_encrypt3(&data[0],key1,key2,key3); + des_encrypt3(&data[0],key1,key2,key3); + GetTSC(e2); + des_encrypt3(&data[0],key1,key2,key3); + } + + printf("des %d %d (%d)\n", + e1-s1,e2-s2,((e2-s2)-(e1-s1))); + } + } + |