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Revisiting the Unicity Distance through a Channel Transmission Perspective (2410.14816v1)
Published 18 Oct 2024 in cs.IT and math.IT
Abstract: This paper revisits the classical notion of unicity distance from an enlightening perspective grounded in information theory, specifically by framing the encryption process as a noisy transmission channel. Using results from reliable communication theory, we derive a simple information-theoretic proof of the same unicity distance formula as in Shannon's classical result and a channel transmission interpretation of the unicity distance.
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