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Calculate SHA256 using CUDA (.exe file)

I am looking for someone who can effectively write a super simple C++ program that uses CUDA / GPU for speed, to run the following equivalent of this PHP script (i need millions or billions of calculations per second). It is an infinite loop looking for a correct hash in a sequence of hashes:

// START

$hash = "D8A928B2043DB77E340B523547BF16CB4AA483F0645FE0A290ED1F20AAB76257";

while (1){

$previousHash = $hash;

$hash = hash('sha256', $hash);

if($hash == "C0F405C251327D261E23897F813907DA82FA4ECAAA76E8E65B257671A823A05F") {

echo $i . " - Found the right starting hash! Our starting hash is " . $previousHash . "\n";

exit();

}

}

// END

I need the source code and compiled windows EXE file. Perhaps some small adjustments like logging and input parameters (starting hash).

Skills: C Programming, C++ Programming, CUDA, Python, Software Architecture

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About the Employer:
( 24 reviews ) Szczecin, Poland

Project ID: #17999889

Awarded to:

Elyashayo

During my [login to view URL], I worked on a project for checking the Integrity of a PE file. I have done it, using SHA functions, and I implemented it using C++, so I am familiar with the topics. I would like to prove myself.

$25 USD in 2 days
(0 Reviews)
0.0

3 freelancers are bidding on average $27 for this job

Valuesolutions

Hello, i have read the details provided..please contact me to discuss more on the project deadline and some other few things

$35 USD in 1 day
(14 Reviews)
5.1
Commoner1987001

Hello. I think it will be easy to make such a program. but it wouldn't be easy to get the result with it. I think it's just like bitcoin mining. but if you really want that, I will try.

$20 USD in 1 day
(1 Review)
0.0