Aug 26, 2022 #1 S shivajikobardan Junior Member level 2 Joined Oct 23, 2021 Messages 24 Helped 0 Reputation 0 Reaction score 2 Trophy points 3 Activity points 292 Say we've 16 byte(128 bit) key. So, how many keys would be required? So, imo. 128 bits key would require 10 rounds Initial Round(also called add round key), then 10 rounds(including the last round), so we'd require 11 different keys. Am I correct?
Say we've 16 byte(128 bit) key. So, how many keys would be required? So, imo. 128 bits key would require 10 rounds Initial Round(also called add round key), then 10 rounds(including the last round), so we'd require 11 different keys. Am I correct?
Aug 28, 2022 #2 ILIA KALISTRU Newbie level 6 Joined Feb 13, 2022 Messages 11 Helped 0 Reputation 0 Reaction score 4 Trophy points 3 Activity points 255 11 different keys generated using key schedule. See https://en.wikipedia.org/wiki/AES_key_schedule and https://en.wikipedia.org/wiki/Advanced_Encryption_Standard for more details. Upvote 0 Downvote
11 different keys generated using key schedule. See https://en.wikipedia.org/wiki/AES_key_schedule and https://en.wikipedia.org/wiki/Advanced_Encryption_Standard for more details.