Infosec glossary entry


Authenticated Encryption with Additional Data

AEAD provides authenticity of data, and confidentiality is optional. It allows for the use of additional data to be sent together with encrypted data without having to encrypt it. The additional plaintext data and encrypted data are all authenticated together: if any part of either changes then it will result in an invalid tag. This is useful in many contexts, like in a packet header for example. […]

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By jean-christoph

February 17, 2023

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