3.2 Reference Model Security Architecture Definitions
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## 3.2 Reference Model Security Architecture Definitions

This Part of the Standard makes use of the following terms defined in ISO 7498-2:

1. Data Confidentiality

   ### Note

   The definition is "the property that information is not made available or disclosed to unauthorized individuals, entities or processes."

2. Data Origin Authentication

   ### Note

   The definition is "the corroboration that the source of data received is as claimed."

3. Data Integrity

   ### Note

   The definition is "the property that data has not been altered or destroyed in an unauthorized manner."

4. Key Management

   ### Note

   The definition is "the generation, storage, distribution, deletion, archiving and application of keys in accordance with a security policy."

5. Digital Signature

   ### Note

   The definition is "Data appended to, or a cryptographic transformation of, a data unit that allows a recipient of the data unit to prove the source and integrity of that unit and protect against forgery e.g., by the recipient."

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