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    Funnily enough, he screwed up his own crypto.

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      DON’T: Use modes which provide both encryption and authentication

      heh. These days, AEAD is recommended all the time.

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        As I recall, Colin’s reasoning is that the integrated MACs have more spectacular failure modes than HMAC. He’s not wrong. Done correctly, they’re fine, but they’re more brittle in the event of mistakes.