[Cryptography] block size / block cipher versus stream cipher

[jrzx]

On Thursday, March 25, 2021 2:38 PM, Kristian Gjøsteen <kristian.gjosteen at ntnu.no> wrote:

> Block ciphers do not make your implementation job harder, they make it easier, because you do not (usually!) have to implement the block cipher.

If blocks and lack of key agility are visible in the api that you are using, this makes your job harder.

When you are optimizing around lack of key agility, you will screw up.

When you are fitting your code around the block size, you will screw up.
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