NEC T30A - Advance Operation of Encryption Key Management Function

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6.3 Advance Operation of encryption key management function
This chapter describes the operations not described in “6.2Basic Operation of encryption key
management function” by purpose.
Be sure to back up the KEY database after changing the settings described in this
chapter. If the database is not backed up and encryption key information is
corrupted due to a device failure, it might become impossible to decrypt data
recorded in tape medium.
 Operation Overview
When you individually import encryption keys, back up the KEY database each time you
import a key.