Book A is password protected and users must enter a password to read it. Book B is not password protected BUT I only want to allow users to read it if Book A is registered (has a correct password).
I'm thinking to do the following: When a user enters password in book A I create an .ini file with a specific parameter. When running book B I check if the .ini files exists and if the parameter is ok.
1. Is there any concerns if I do this?
2. I know that the Ans2000.ini stores the password of ebooks. But if I just check from book B to see if the password parameter entered for book A has any value, am I not take some risks as users can enter any info there, even if it's wrong?
I think your idea is good, but if you want to be a bit more secure you could use some kind of mathematical formula, etc based on the user id
e.g. Book A - after the password is entered, get the user id, do the math formula, and store into an INI
Book B - get the user id, do the math formula, and compare this to the value in the INI. If they are the same you're okay - if they're not, or there's nothing in the INI don't display whatever
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