
A simple encryption core with a 4 bit input 4 bit key and a 4 bit output
you can send randomized inputs of 4 bit length for the input and key and get a 4 bit output
no external harware but memory to send test data
| # | Input | Output | Bidirectional |
|---|---|---|---|
| 0 | ui_in[0] | uo_out[0] | |
| 1 | ui_in[1] | uo_out[1] | |
| 2 | ui_in[2] | uo_out[2] | |
| 3 | ui_in[3] | uo_out[3] | |
| 4 | ui_in[4] | ||
| 5 | ui_in[5] | ||
| 6 | ui_in[6] | ||
| 7 | ui_in[7] |