Hi
I have read your Encryption display SOW pdf and I think I am best match to your project.
Because I am just expert in .NET application development and encryption/decryption application development using DES, AES, RSA etc.
As you can see my profiles, I have much experience with frontend and backend development using C#, WPF, WCF, MS Server, Xamarin, ASP.NET MVC5, ASP.NET Core, Nodejs, Reactjs, Andgularjs.
Please get in touch.
I really hope to work with you.
Thanks.