In Gcm We Define S As S Ghasha0supvsupc0supusuplenalenc What Is #511
In GCM, we define S as S = GHASH(A||0<sup>v</sup>||C||0<sup>u</sup>||[len(A)]||[len(C)]). What is u defined as?
This multiple choice question (MCQ) is related to the book/course
gs gs124 Introduction Cyber Security.
It can also be found in
gs gs124 Message Authentication Codes, Whirlpool Algorithm and Key Management and Distribution - CCM, GCM and Key Wrapping - Quiz No.1.
In GCM, we define S as S = GHASH(A||0v||C||0u||[len(A)]||[len(C)]). What is u defined as?
64 ceil[len(A)/128] – len(A)
64 ceil[len(C)/128] – len(C)
128 ceil[len(A)/128] – len(A)
128 ceil[len(C)/128] – len(C)
