1. Figure 2.10 shows ciphertext coset signatures for various numbers of cosets. What is the likely keyword length? Explain. assumed keywoed length 2 0 12 0.14 0.12 008 008 002 0 02 15 25 ssmed Keyword length 3 asuned krywond length 4 0.12 0.15 0.125 0073 0025 13 anuned keyword Imt6 0175 0.15 0125 0.13 412s 0 I a.1 0 075 0.005 I0 15 Figure 2.10 Figures for Exercise 1. 1. Figure 2.10 shows ciphertext coset signatures for various numbers of cosets. What is the likely keyword length? Explain. assumed keywoed length 2 0 12 0.14 0.12 008 008 002 0 02 15 25 ssmed Keyword length 3 asuned krywond length 4 0.12 0.15 0.125 0073 0025 13 anuned keyword Imt6 0175 0.15 0125 0.13 412s 0 I a.1 0 075 0.005 I0 15 Figure 2.10 Figures for Exercise 1.



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