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Introduction

Understand core practical cryptography concepts emphasizing reliance on established cryptographic libraries with secure defaults. Learn to apply strong password hashing methods and key practices that defend systems without implementing risky custom cryptography.

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Cryptography is the hottest topic in computer security. The word conjures up images of spies, adventures, and eccentric math geniuses. Move past the Hollywood take on cryptography, and you’ll find that it really is a fascinating field. It ties together math, logic, low-level bit flipping, and even hardware design.

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Most coverage of cryptography starts ...