I'm not sure why I'm meant to care how hard you worked over the last 2 years to learn Common Lisp.
A huge fraction of the security breaks over the past 15 years --- which cost us billions and billions of dollars --- are traceable to the mindset that says that figuring out security is just like figuring out how to scale a database: "you try and try and try until you get it right". Well, no.
I don't have an authentication system to sell you, but someone else does, and you should use it before you try to build one yourself.
A huge fraction of the security breaks over the past 15 years --- which cost us billions and billions of dollars --- are traceable to the mindset that says that figuring out security is just like figuring out how to scale a database: "you try and try and try until you get it right". Well, no.
I don't have an authentication system to sell you, but someone else does, and you should use it before you try to build one yourself.