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Linux, c++, 3 scripts for file encryption on Salsa20/HC-256/SOSEMANUK

Job Description:

Need to write 3 scripts in c++. The scripts must have two functions each, the first to encrypt the file, the second to decrypt the file. Well, each file should be approximated as follows:

int main() {

encrypt("[login to view URL]", "[login to view URL]","(key)");

decrypt("[login to view URL]", "[login to view URL]","(key)");

}

File encryption must be implemented using the following libraries:

Salsa20 [login to view URL]

HC-256 [login to view URL]

SOSEMANUK [login to view URL]

The source code there is written in C, but it can be plugged into c++ and compiled into one file.

It also needs optimization of RAM, and the correct read/write file, so that the memory is freed after the encryption of the file. Write code and test it strictly on Linux, because RAM on windows and linux in c++ is optimized differently.

Also for clarity, there is an example of file encryption using [login to view URL]

An example can be found in the file [login to view URL]

*This is just an example, you don't have to do 1v1!

Tests should be run on large files ranging in size from 1GiB to 10Gib, for simplicity you can use the command fallocate -l 1G [login to view URL] to create files of the desired size.

The price for the project is not more than the specified price in the announcement!

Deadlines of up to 4 days.

In fact, if you know what you're dealing with, it's easy to connect 3 files with encryption and decryption functions and write functions to read and write the file.

Færdigheder: C++ Programmering, C programmering, Linux, Software Arkitektur

Om klienten:
( 2 bedømmelser ) Wrotham, United States

Projekt ID: #35398655

20 freelancere byder i gennemsnit $451 timen for dette job

nursultansaudir2

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$500 USD in 7 dage
(24 bedømmelser)
5.9
aantropov605

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6.1
alimamacentre

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$500 USD in 7 dage
(4 bedømmelser)
5.9
stairovic940

I am a senior full-stack developer who mastered .NET eco-system with encrypt/decrypt algorithms such as RSA, ECC, hash function, C#, ASP.NET, C++ and so on. In this field, I have been working for 7+ years so I have co Flere

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5.9
anenkovakateryna

Hi I have 8 years of experience in ⭐ C++ programming for cryptography in Windows and Linux ⭐. I've read the project description carefully and can start work immediately. Let`s discuss about more detail in chat box. Be Flere

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5.3
dendzadev

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5.1
aravinda333

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5.2
tranloanhanu

Hello, I have rich experience in C/C++ coding for Encryption and Decryption using AES, RSA ...including Salsa. I have read all your explanations carefully and fully understand your requirements. So I am sure I can give Flere

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5.1
codehunger18

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ndmamedia

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wicked8261

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vladimirrudic

Okay, I am a talent software engineer with 7+ years of experience in c++ field. My expertise is cryptography. I have experience in fast streaming encryption for secure communication for embedded systems. I am familiar Flere

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ristopavel75

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diachukoleksand1

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alamineee

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jameskingsleydev

Hi. This is James Kingsley and as an experienced software engineer, I have strong knowledge of C, C++, OOP and fundalmental of computer OS. I can do that in the deadlines. Hope to contact you. Best regards.

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brunetcurs

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0.4
Akbaryusufzai007

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