1 Linear Feedback Shift Register Demo 0001101001 Time 0 "seed" = initial contents 0.

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Presentation transcript:

1 Linear Feedback Shift Register Demo Time 0 "seed" = initial contents 0

2 Linear Feedback Shift Register Demo Time 0 Time 1 0

3 Linear Feedback Shift Register Demo Time Time 1 0

4 Linear Feedback Shift Register Demo Time Time 1 0 ^ yxx ^ y XOR Truth Table

5 Linear Feedback Shift Register Demo Time Time 1 ^ 0 yxx ^ y XOR Truth Table

6 Linear Feedback Shift Register Demo Time Time Time 2 0 yxx ^ y XOR Truth Table

7 Linear Feedback Shift Register Demo Time 0 Time 1 Time 2 Time yxx ^ y XOR Truth Table

8 Linear Feedback Shift Register Demo Time 0 Time 1 Time 2 Time 3 Time yxx ^ y XOR Truth Table

9 Linear Feedback Shift Register Demo Time 0 Time 1 Time 2 Time 3 Time 4 Time

10 Linear Feedback Shift Register Demo Time 0 Time 1 Time 2 Time 3 Time 4 Time 5 Time

11 Linear Feedback Shift Register Demo Time Time Time Time Time Time Time Time 7

12 Linear Feedback Shift Register Demo Time Time Time Time Time Time Time Time Time 8

13 Linear Feedback Shift Register Demo Time Time Time Time Time Time Time Time Time 8 pseudo-random bits: …