{"product_id":"codes-ciphers-9781952178542","title":"Codes \u0026 Ciphers","description":"\u003cp\u003eWhat is the difference between a code and a cipher? How did Caesar send secret messages? How do you beat frequency analysis? What is a side-channel attack? How does RSA end-to-end encryption actually work? \u003c\/p\u003e\u003cp\u003eIn this fascinating little book, packed with numerous helpful illustrations and worked examples, polymath Steven Goodwin reveals the secrets of the codemakers, and the toolkits of the codebreakers. If you ever wanted to send a secret message to someone special, this book will show you how.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cb\u003eBinding Type:\u003c\/b\u003e Paperback\u003cbr\u003e\u003cb\u003ePublisher:\u003c\/b\u003e Wooden Books\u003cbr\u003e\u003cb\u003ePublished:\u003c\/b\u003e 09\/15\/2026\u003cbr\u003e\u003cb\u003eISBN:\u003c\/b\u003e 9781952178542\u003cbr\u003e\u003cb\u003ePages:\u003c\/b\u003e 64\u003cbr\u003e\u003cb\u003eWeight:\u003c\/b\u003e 0.23lbs\u003cbr\u003e\u003cb\u003eSize:\u003c\/b\u003e 6.68h x 5.56w x 0.29d","brand":"Steven Goodwin","offers":[{"title":"Default Title","offer_id":53195210490037,"sku":"9781952178542","price":7.61,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0473\/0804\/6492\/files\/9781952178542.jpg?v=1788273421","url":"https:\/\/pastforward.org\/products\/codes-ciphers-9781952178542","provider":"Past Forward","version":"1.0","type":"link"}