# Cryptographic Hash Functions

## Random Jargon

_If you made it this far you know what all of this is but we need these terms because "muh academic vernacular"_

* Variable Length Input
* Fixed size output

```python
a = {
	'first',
	'second',
}
```
Both `first` & `second` as inputs result in distinct references of the same size.

* One-way property

You should **not** be able to use a hash result(i.e. reference) to find an input. 

In English: _Only inputs can find outputs, not the other way around._

* Two-way property/ Collision-free Property

**2** identical data inputs will map to the same output