Encryption of different file formats excluding its metadata

We want to develop a project where Freelancer will have to provide dll in C# or C++.

Project information:

We want to encrypt and decrypt different file formats like DOC, DOCX, XLS,XLSX, PPT,PPTX, PDF,

EXE, DLL, JPG, JPEG,PNG,TXT,DWG. When we encrypt except metadata all the other data will be encrypted. However metadata should not be [login to view URL] has to be AES128 or AES256 We need access to metadata even after encryption.

Freelancers who have handled or have knowledge of metadata structure of different file formats can easily do this project.

Kindly note that there will be two milestones.

1) Successful delivery of working dll

2) Transfer of source code

Evner: .NET, C# Programmering, C++ Programmering

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Om arbejdsgiveren:
( 7 bedømmelser ) Pune, India

Projekt ID: #17428037

8 freelancere byder i gennemsnit $168 på dette job

$150 USD in 3 dage
(27 bedømmelser)

i can do this i have experience of file encryption

$222 USD in 5 dage
(25 bedømmelser)

Hi Respected sir , This is Sumair Hashmi, masters in computer science from NUST. more than 7y Experience in this field. i have done lots of mobile development and web development and i will be happy to hear and wor Flere

$155 USD in 3 dage
(11 bedømmelser)
$155 USD in 3 dage
(13 bedømmelser)
$100 USD in 5 dage
(1 bedømmelse)

We are a web developing and designing company with various other facilities such as web content and digital marketing related to all types of specializations. Additional considerations and implementations are assisted Flere

$250 USD in 5 dage
(1 bedømmelse)
$200 USD in 7 dage
(0 bedømmelser)

Hello there, I have already made a file encrption program for windows desktop PCs called "Wi9Crpyt0r". I will be using the same code mechanism providing not just AES(128, 256) but also other encryption algorithms. Flere

$111 USD in 4 dage
(0 bedømmelser)