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Chapter 11 An Introduction to Cryptography

We are now ready for some applications. This chapter introduces cryptography, as well as the prototype for a cool mathematical encryption system and other similar topics. In Chapter 12, we will also discuss practical issues in implementing these – namely, finding huge primes and factoring huge composite numbers.
By ‘huge’ I mean something substantially bigger than the output of the following commands.
Those are peanuts by today’s standards. But with the tools we’ve developed up to this point, we are ready for them.