Why is cryptography used in communication?

To make data unintelligible to interceptors.

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  1. To make data unintelligible to interceptors ✔
  2. To make messages longer
  3. To slow down the receiver

Why: Cryptography changes data format so unauthorized third parties cannot understand it.

Huh, didn't know that: Cryptography changes data format so unauthorized third parties cannot understand it.

The dad joke
Cryptography scrambles secrets for safety.
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References

Answer: To make data unintelligible to interceptors. Cryptography changes data format so unauthorized third parties cannot understand it.

  1. Communication en.wikipedia.org/wiki/Communication
    This can be achieved by using cryptography, which changes the format of the transmitted information to make it unintelligible to potential interceptors.
    Checked 2026-11-07.

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