Research Article

Two-Dimensional Key Table-Based Group Key Distribution in Advanced Metering Infrastructure

Table 3

Notations used in proposed scheme.

NotationDescription

Smart meter ( )
DCUData collection unit
PRNG(·)Pseudorandom number generator
Hash function
Row ( ) and column ( ) in KT
EleSelected group key generation element
( )
radRadius of circle for valid range
Excluded group key generation element of smart meter in ALoEle
Smart meter ID ( )
KTKey table
SeedSeed value for
Location of ( )
Function of group key generation elements ( )
Row ( ) and column ( ) of group key generation element
ALoEleElements set of group key generation
Group key