Avaya Configuring Data Encryption Services Uživatelský manuál stáhnout pdf (Strana 25)

Data Encryption Overview

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The TEK automatically changes according to the values in the TEK Change

Seconds and TEK Change Bytes parameters. A sending router generates a new

TEK, and WEP encrypts it. The receiving router notes the change, decrypts it,

replaces the old TEK with the new one, and uses the new one to decrypt current

and future data until the TEK changes again.

Each router has its own TEK and TEK Change attributes that it uses to protect

data that it sends. A link therefore has two TEKs which are different, and which

change independently of each other. For more information on configuring key

change attributes, refer to Appendix A, “Encryption Parameters.”

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Avaya Configuring Data Encryption Services Uživatelský manuál Strana 25