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Publisher's Summary

Two books in one!

Is cryptography what you want to learn? Always wondered about its history, from traditional to modern cryptography? Does it interest you how cryptosystems work? Purchase Cryptography to discover everything you want to know about it!

You'll learn, step by step, to increase your skill set in the basics. Learn the pros and cons. All the basic knowledge is included in one purchase!

Is quality assurance what you want to learn? Always wondered how one becomes a better software developer? Does how to achieve this quickly interest you?

Purchase Quality Assurance to discover everything you need to know about testing and software quality!

You'll learn, step by step, to increase your software skill set. Learn how to dominate computer systems. All your basic knowledge in one purchase!

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