In Progress

Determine CRC calculation from dataset

I have a binary file (4k bytes) that has been stored using some unknown CRC calculation. I do know that, once decoded, it contains 3 particular bytes, but I cannot find them inside the data. I need a freelancer to determine the CRC system used in order to decode all of the data inside the file and find the bytes that I am looking for.

I have attached the binary file. The 3 bytes I am looking for are 8E 01 D5. They should be close together, once the file is decrypted.

Skills: C Programming, Computer Security, Cryptography, Mathematics, Software Development

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About the Employer:
( 13 reviews ) Lancashire, United Kingdom

Project ID: #15639534

Awarded to:

£250 GBP in 7 days
(1 Review)
1.7

15 freelancers are bidding on average £215 for this job

LiangXiaoJin

I am cryptography expert. But if you have program that read the file, the better. Looking forward to your response. Relevant Skills and Experience C Programming, Computer Security, Cryptography, Mathematics, C++ Progr More

£1000 GBP in 10 days
(72 Reviews)
7.2
JinDongZhe

Hi,sir Your project is very attractive for me. I can start your project immediately and complete successfully. Relevant Skills and Experience I have full skills for your CRC check sum. Regards. Proposed Miles More

£500 GBP in 3 days
(36 Reviews)
5.4
£150 GBP in 3 days
(3 Reviews)
4.3
RushService

You can take my help to make crs calculation from the given dataset.i want to know about what is the deadline of this project?

£130 GBP in 3 days
(12 Reviews)
4.4
goldenstar0406

Hi,dear. I am a senior software developer. I have just checked your project "Determine CRC calculation from dataset", I can complete this project. Thanks. Relevant Skills and Experience C Programming, Computer Securit More

£250 GBP in 3 days
(6 Reviews)
3.9
£55 GBP in 3 days
(2 Reviews)
2.9
shubhamj1995

I can decode the required file within 3 day. contact if any query Relevant Skills and Experience C/C++ , Python Proposed Milestones £50 GBP - after work completion

£50 GBP in 3 days
(5 Reviews)
2.0
umg536

please ignore the bid amount we will discuss the price later in the chat after we have discussed the project thoroughly Relevant Skills and Experience: . Proposed Milestones: 180 - . Hi chalky78! please inbox me to dis More

£180 GBP in 2 days
(1 Review)
1.8
£150 GBP in 3 days
(1 Review)
1.5
£150 GBP in 3 days
(0 Reviews)
0.0
£23 GBP in 3 days
(0 Reviews)
0.0
ayaanbhat427

HELLO My name is Ayaan Bhat. i am professional developer and I am Expert in programming i have completed 200+ based projects in programming with 100% client satisfaction. I have working experiences of more than 10 ye More

£50 GBP in 3 days
(0 Reviews)
0.0
£90 GBP in 3 days
(0 Reviews)
0.0
MaryumAkhter1

I can develop this I have an experience of 1.5-2years in this field sir I did projects like this kindly reply me so that I can discuss it with you

£200 GBP in 4 days
(0 Reviews)
0.0