Performant AES Implementation

Variant	Time for 1 mio. Iterations	Time for 10 mio. Iterations	Processor	OS	Compiler	Compiler Switches
`aes-32bit`	4071ms	5465ms	Intel i7-8650U	Arch Linux x86_64	`gcc`	`-g`
`aes-32bit`	473ms	6389ms	Intel i7-8650U	Arch Linux x86_64	`gcc`	`-Ofast`
`aes-tboxes`	842ms	1599ms	Intel i7-8650U	Arch Linux x86_64	`gcc`	`-g`
`aes-tboxes`	191ms	1337ms	Intel i7-8650U	Arch Linux x86_64	`gcc`	`-Ofast`
`aes-intrinsic`	396ms	143ms	Intel i7-8650U	Arch Linux x86_64	`gcc`	`-g`
`aes-intrinsic`	17ms	338ms	Intel i7-8650U	Arch Linux x86_64	`gcc`	`-Ofast`