Question
Assume an attacker knows the index of coincidence in plaintext is ICplain = 0.090. Given a long sequence of (ciphertext) characters, e.g., c1c2c3c4c5c6c7c8c9......... which is
Assume an attacker knows the index of coincidence in plaintext is ICplain = 0.090. Given a long sequence of (ciphertext) characters, e.g.,
c1c2c3c4c5c6c7c8c9.........
which is encrypted by Vigenere Cipher, explain how to calculate/estimate the key length by using the index of coincidence.
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started
Making Databases Work The Pragmatic Wisdom Of Michael Stonebraker
Authors: Michael L. Brodie
1st Edition
1947487167, 978-1947487161
