NGTSA IPNGE PBSFW NCPBN RSAGF ASGEW JSVSF NRCNI WKGPW KIGEW PSWWM SYEWN NFUNG EPBSF WNCPB NRSWS PWSWR GMNRS USVGH VSBRG MNRSU KCPTS SDNSP BSBMR CNNRS IFHIY INWCF SNGMR IKRGP SWMSR CVSCN NCKRS BNCTG GWCPB MRCNN RSUKC PNSCK REWCT GENNR SFCVI WRIPA MGFHB MSRCV SNRSX FIVIH SASNG IPRCT IN Use this to estimate the keyword length.
NGTSA IPNGE PBSFW NCPBN RSAGF ASGEW JSVSF NRCNI WKGPW KIGEW PSWWM SYEWN NFUNG EPBSF WNCPB NRSWS PWSWR GMNRS USVGH VSBRG MNRSU KCPTS SDNSP BSBMR CNNRS IFHIY INWCF SNGMR IKRGP SWMSR CVSCN NCKRS BNCTG GWCPB MRCNN RSUKC PNSCK REWCT GENNR SFCVI WRIPA MGFHB MSRCV SNRSX FIVIH SASNG IPRCT IN Use this to estimate the keyword length.
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Problem 3
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Transcribed Image Text:2. Calculate the index of coincidence for the text in Example 2.7.3, and es-
timate the keyword length. Does it corroborate the estinmate obtained
from the Kasiski test?
3. Calculate the index of coincidence for the following ciphertext and use
it to estimate the keyword length.
NGTSA IPNGE PBSFW NCPBN RSAGF ASGEW JSVSF NRCNI WKGPW
KIGEW PSWWM SYEWN NFUNG EPBSF WNCPB NRSWS PWSWR GMNRS
USVGH VSBRG MNRSU KCPTS SDNSP BSBMR CNNRS IFHIY INWCF
SNGMR IKRGP SWMSR CVSCN NCKRS BNCTG GWCPB MRCNN RSUKC
PNSCK REWCT GENNR SFCVI WRIPA MGFHB MSRCV SNRSX FIVIH
SASNG IPRCT IN
Use this to estimate the keyword length.
4. Approximately what keyword length will the Friedman test predict if
the index of coincidence is 0.03850001? What will it predict if the
index of coincidence is 0.06499? Assume that the value of n is large.
5. Find a "typical" text of at least 300 characters in a foreign language
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