Recommended reading, if you haven&#x27;t already: Crypto[1]. It covers a lot of history in a readable format (especially if you&#x27;re not a mathematician) and deals with a lot of the shrouded history of cryptography in America, the NSA, etc.<p>[1] <a href="http:&#x2F;&#x2F;www.stevenlevy.com&#x2F;index.php&#x2F;books&#x2F;crypto" rel="nofollow">http:&#x2F;&#x2F;www.stevenlevy.com&#x2F;index.php&#x2F;books&#x2F;crypto</a>