Assertion: key | /r/HasSubevent | small key space of size
Facets:
value: relatively
type: DEGREE
Source sentences:
text: In the DES block cipher, 56-bit key is used, resulting in a relatively small key space of size 256 (or 7.2058 x 1016), which, as was demonstrated in 1998, can be searched exhaustively in 56 hours with a desktop computer.