diff options
author | Parménides GV <parmegv@sdf.org> | 2014-04-09 16:03:55 +0200 |
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committer | Parménides GV <parmegv@sdf.org> | 2014-04-09 16:07:34 +0200 |
commit | 1684c8f398922065a97e7da4dac4ac6a33cc5218 (patch) | |
tree | 76a4b11ae0d7b217c088f3c2b8fc7e69a7b8ae0d /app/openssl/crypto/rc4/rc4s.cpp | |
parent | b9a2b085a8f508cd09e2639c70be845c992c4a3e (diff) |
Back to the standard "app" module.
This return to "app" instead of "bitmask_android" is due to this reading: https://developer.android.com/sdk/installing/studio-build.html#projectStructure
I'll have to tweak the final apk name in build.gradle.
Diffstat (limited to 'app/openssl/crypto/rc4/rc4s.cpp')
-rw-r--r-- | app/openssl/crypto/rc4/rc4s.cpp | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/app/openssl/crypto/rc4/rc4s.cpp b/app/openssl/crypto/rc4/rc4s.cpp new file mode 100644 index 00000000..3814fde9 --- /dev/null +++ b/app/openssl/crypto/rc4/rc4s.cpp @@ -0,0 +1,73 @@ +// +// 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/rc4.h> + +void main(int argc,char *argv[]) + { + unsigned char buffer[1024]; + RC4_KEY ctx; + unsigned long s1,s2,e1,e2; + unsigned char k[16]; + unsigned long data[2]; + unsigned char iv[8]; + int i,num=64,numm; + int j=0; + + if (argc >= 2) + num=atoi(argv[1]); + + if (num == 0) num=256; + if (num > 1024-16) num=1024-16; + numm=num+8; + + for (j=0; j<6; j++) + { + for (i=0; i<10; i++) /**/ + { + RC4(&ctx,numm,buffer,buffer); + GetTSC(s1); + RC4(&ctx,numm,buffer,buffer); + GetTSC(e1); + GetTSC(s2); + RC4(&ctx,num,buffer,buffer); + GetTSC(e2); + RC4(&ctx,num,buffer,buffer); + } + + printf("RC4 (%d bytes) %d %d (%d) - 8 bytes\n",num, + e1-s1,e2-s2,(e1-s1)-(e2-s2)); + } + } + |