The standard building block uses _______ of key to transform 64-bit input to 64-bit output.
A. 32 bit
B. 48 bit
C. 64 bit
D. 128 bit
Answer:A
The standard building block uses _______ of key to transform 64-bit input to 64-bit output.
A. 32 bit B. 48 bit C. 64 bit D. 128 bit
Explanation: The standard building block uses 48 bit keys to transform 64 bit input data to 64 bit output.