Welcome to the resource topic for 2019/621
Title:
A Modified Simple Substitution Cipher With Unbounded Unicity Distance
Authors: Bruce Kallick
Abstract:The classic simple substitution cipher is modified by randomly inserting key-defined noise characters into the ciphertext in encryption which are ignored in decryption. Interestingly, this yields a finite-key cipher system with unbounded unicity.
ePrint: https://eprint.iacr.org/2019/621
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