Projects / A book cipher

Could the key be hiding in a book?

A known answer. A wider reading list. A test of the method.

Concept illustration of a book, envelope and blank slip of paper. — Editorial illustration; not a source artifact.

A test with a known answer

A short cipher can have more than one convincing reading. This example shows how a bounded search might be presented: fix the message and source texts, test candidate passages, then compare the result with an answer held back from the search.

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The next attempt

Demonstration

Book-key search

Can a bounded search recover a known key?

View the approach$15.00 cap

Sources and eligibility

Funding closed

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