05 3 integrity cbc mac and nmac tủ tài liệu bách khoa

n

F(k1

F : K 2 ≤L

F K 2 ≤L

ll

k

RAW

– 

– 

– 

AdvPRF ECBC ≤ PRP 2

AdvPRF NMAC ≤ ⋅ L ⋅ AdvPRF 2

PRF ECBC 2 32

48

• 

i i

u v

BIG m u llw

rawCBC

k

• 

• 

•