diff options
author | Parménides GV <parmegv@sdf.org> | 2014-04-08 11:38:09 +0200 |
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committer | Parménides GV <parmegv@sdf.org> | 2014-04-08 11:43:27 +0200 |
commit | 5fc5d37330d3535a0f421632694d1e7918fc22d7 (patch) | |
tree | 1aad0c286e58962c8895854907e530b9bc9bce5a /app/openssl/crypto/des/dess.cpp | |
parent | c206a91d320995f37f8abb33188bfd384249da3d (diff) |
Compiles correctly: app/build-native + gradle.
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))); + } + } + |