Re: [ILUG-BOM] How is Linux so secure ??

Sometime Today, Nikhil Joshi assembled some asciibets to say:

...

These functions are required to be non-invertible (if you're a math student, that should make sense).

I guess I'm getting the picture (My math is weak tho ;)

Ok, for non-math students, here's a small tutorial:

f(x) = 3x

means, if we have x, we can find f(x).

also, this function is invertible, since we can say x = f(x) / 3

we'd write this as f^-1(y) = y/3 (that's f inverse y).

so if we know f(x), we can find out x.

Some functions however, are not invertible,

like f(x) = x^x (at least I think it is non-invertible).

Thus, if you have x, you can get f(x), but if you have f(x), you cannot get x.

P.S. 3.22am ??

:) Post party time. It's funny what a couple of beers can do.