diff options
author | Parménides GV <parmegv@sdf.org> | 2014-04-09 17:07:48 +0200 |
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committer | Parménides GV <parmegv@sdf.org> | 2014-04-09 17:15:17 +0200 |
commit | 51ff5a18f1f074e27e97d822745551a7e8fa068d (patch) | |
tree | 402e7dd42778a218635bb29a4c2dff93ea7f6525 /app/openssl/crypto/des/dess.cpp | |
parent | 910b0e1746ab3f63e63808b198ad51fec5b635e5 (diff) | |
parent | b5ba0abc1610dd4bf573ebcabc5e8f6ab0c9528f (diff) |
Merge branch 'feature/implement-gradle-build-system-#4676' into develop
Diffstat (limited to 'app/openssl/crypto/des/dess.cpp')
-rw-r--r-- | app/openssl/crypto/des/dess.cpp | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/app/openssl/crypto/des/dess.cpp b/app/openssl/crypto/des/dess.cpp new file mode 100644 index 00000000..5549bab9 --- /dev/null +++ b/app/openssl/crypto/des/dess.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 <openssl/des.h> + +void main(int argc,char *argv[]) + { + des_key_schedule key; + 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_encrypt1(&data[0],key,1); + GetTSC(s1); + des_encrypt1(&data[0],key,1); + des_encrypt1(&data[0],key,1); + des_encrypt1(&data[0],key,1); + GetTSC(e1); + GetTSC(s2); + des_encrypt1(&data[0],key,1); + des_encrypt1(&data[0],key,1); + des_encrypt1(&data[0],key,1); + des_encrypt1(&data[0],key,1); + GetTSC(e2); + des_encrypt1(&data[0],key,1); + } + + printf("des %d %d (%d)\n", + e1-s1,e2-s2,((e2-s2)-(e1-s1))); + } + } + |