The symmetric AES key that actually encrypts the data; a protector, for example the TDE protector, wraps it in turn.
Also called data encryption key.
Read more: Microsoft Learn
In the Ultra Transcenders books
Each book explains DEK in context, with comparison tables and the common traps.
Terms in this definition
- AES
Short for Advanced Encryption Standard, a symmetric cipher. With TDE, the RSA TDE protector wraps an AES-256 data encryption key.
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searchablefor full text,retrievableto return it,filterablefor exact-match$filter,sortable,facetablefor counts, andkeyfor the unique document ID. - TDE protector
The key that encrypts (wraps) the TDE data encryption key: an asymmetric RSA key the customer manages and keeps in Key Vault or Managed HSM.
- TURN
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