ICounter
Methods
| Advance | Advances the counter by the specified number of blocks. |
| Generate | Computes the output block for the current key and counter. |
| Get | Copies the current counter into the provided destination span. |
| Get | Copies the current key into the provided destination span. |
| Reset | Resets the counter to all zeros. |
| Set | Sets the counter to the specified value. |
| Set | Sets the key to the specified value. |