Outputs
The outputs for this function are:
*key_block
Key block filled with following:
adc_tykey
Type key provided.
adc_lokey
Pointer to area for key. If 0, do not build key. If adc_tykey is II_KEXACTKEY or II_KLOWKEY, this is key built.
adc_hikey
Pointer to area for key. If 0, do not build key. If adc_tykey is II_KEXACTKEY or II_KHIGHKEY, this is the key built.