What information does the key length provide in an encryption algorithm?
A. the packet size
B. the number of permitations
C. the hash block size
D. the cipher block size
What information does the key length provide in an encryption algorithm?
What information does the key length provide in an encryption algorithm?
A. the packet size
B. the number of permitations
C. the hash block size
D. the cipher block size
In cryptography, an algorithm’s key space refers to the set of all possible permutations of a keys.
If a key were eight bits (one byte) long, the keyspace would consist of 28 or 256 possible keys.
Advanced Encryption Standard (AES) can use a symmetric key of 256 bits, resulting in a key space containing 2256 (or 1.1579 × 1077) possible keys.
B is correct. Googling revealed:
“The key length determines the maximum number of combinations required to break an encryption algorithm.”
Combinations is a synonym to permitations.
Should be D???