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Frequencies of occurrence of each of the possible 256*256*256=2^24 trigraphs of consecutive
output bytes were measured (Output[x], Output[x+1], Output[x+2])
in a stream of 2^40.2 output bytes generated by the VMPC Stream Cipher. With consideration of the fact that 16777216 variables were
tested - none of the measured frequencies showed a statistically significant deviation from
its expected value of 1 / 16777216.
Similar test run by Greg Rose found no bias in the trigraph probabilities in a stream of 2^41.6 bytes.
To contact Greg Rose you can visit his homepage
by Bartosz Zoltak and Greg Rose
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Copyright © 1999-2018 by Bartosz Zoltak
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