Excerpt: This chapter discusses how cryptography can address the concerns raised in the previous chapter. After explaining what cryptography is and providing a general idea of how it works, we dig into the various types of cryptographic algorithms and see where the strengths and weaknesses of each lie.
Finally, we look at where database cryptography sits in an organization's security portfolio.With respect to threats against confidentiality and integrity, we examine how cryptography can help with security. We also look at the common pitfalls and difficulties encountered in implementing a cryptographic system. Not only does a poorly implemented system not provide the needed protection, it can actually weaken overall security. We spend time looking at what kinds of risks a poor cryptographic system introduces.
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