Parallel Processing Detection and Program Return Value Detection Post: 302535806

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Top Forums Programming Parallel Processing Detection and Program Return Value Detection Post 302535806 by azar.zorn on Friday 1st of July 2011 06:13:37 PM

07-01-2011

Registered User

thank you. the purpose of the project is a new type of software security. it's to prevent people from hacking commercial programs, so it even extends to Linux and Mac, not just Windows. they way I designed it, it's a modification to the compiler used to create the software, this is done for efficiency purposes (code once and apply to all vs. code into all). and the program splits between two methods based on whether the user is running any programs to trace random number generators (long story behind that), so I needed to know if I can detect the parallel processing. I'm not aware of that many ways to trace random number generators, but I think I covered most. can anyone who knows any ways list all the possible methods they know, so I can make sure I don't miss any that are coverable

azar.zorn

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rand

rand(3UCB)					     SunOS/BSD Compatibility Library Functions						rand(3UCB)

NAME

       rand, srand - simple random number generator

SYNOPSIS

       /usr/ucb/cc [ flag ... ] file ...

       int rand();

       int srand(seed)
       unsigned seed;

DESCRIPTION

       rand()  uses a multiplicative congruential random number generator with period 2^32 to return successive pseudo-random numbers in the range
       from 0 to 2^31 -1.

       srand() can be called at any time to reset the random-number generator to a random starting point. The generator is initially seeded with a
       value of 1.

SEE ALSO

       cc(1B), drand48(3C), rand(3C), random(3C)

NOTES

       Use of these interfaces should be restricted to only applications written on BSD platforms.  Use of these interfaces with any of the system
       libraries or in multi-thread applications is unsupported.

       The spectral properties of rand() leave a great deal to be desired. drand48(3C) and random(3C) provide much better, though more	elaborate,
       random-number generators.

       The low bits of the numbers generated are not very random; use the middle bits. In particular the lowest bit alternates between 0 and 1.

SunOS 5.11							    30 Oct 2007 							rand(3UCB)