1. Check given keys if valid
2. determine the decryption formula
3. implement c++ program to do decryption and encryption that can detect invalaid keys and display error message (to be run in windows)
I am proficient in Microsoft and Web Technologies such as PHP, C#, ASP.Net, SQL Server, Visual Studio, HTML and CSS.
In addition, I have experience in cryptocurrency and cryptography.
Kindly reply me soon so we can discuss more about this.
Thank you