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Cryptography / Crypto in practice

Lesson 24 of 25

Common crypto mistakes

Most crypto failures are mistakes, not broken maths: hard-coded keys, reused nonces, rolling your own algorithm, or using ECB mode.

Key points

  • Never hard-code keys
  • Never reuse nonces
  • Don't roll your own crypto
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Quiz · +10 XP

Which is a classic crypto mistake?

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