4. Benefits of Cryptography

Relatively Fast

One of the drawbacks to public key encryption systems is that they need relatively complicated mathematics to work, making them very computationally intensive. Encrypting and decrypting symmetric key data is relatively easy to do, giving you very good reading and writing performance. In fact, many solid state drives, which are typically extremely fast, use symmetric key encryption internally to store data and they are still faster than unencrypted traditional hard drives.

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