Table 1 Summary of notations

n

The number of native packets per generation

m

The number of codewords of each native packet

l

The number of MACs

p

The size of finite field and each codeword

M _i

Each native packet

m _j

Each coded packet

h

The hash function

K _i,j

The key

id _i,j

The index of the key

r _j

The index of u codewords

u

The number of codewords used for each MAC

c

The number of compromised nodes