How to license an offline software that automatically expired in the given amount of time?

Suppose I have a software which I sell to customer to use. I want to include a license that will be expired in let’s say 1 year, so that customer need to renew their package.
I want to prevent the user (customer) from trying to bypass the … Continue reading How to license an offline software that automatically expired in the given amount of time?

Server encryption, client decryption, without the client having the ability to encrypt?

Is it possible to encrypt data server side and then decrypt it client side; without the client having the ability to encrypt the data themselves after decrypting?

I’m working on a license manager which needs to be able to re… Continue reading Server encryption, client decryption, without the client having the ability to encrypt?