January 22, 2002
Practical Aspects of Modern Cryptography
52
A PRNG:
Alleged RC4
n
Initialization
n
S[0..255] = 0,1,…,255
n
K[0..255] = Key,Key,Key,…
n
for
i = 0
to
255
n
j = (j + S[i] + K[i]) mod 256
n
swap
S[i]
and
S[j]