Memorex LOCK - VERSION 2-24 Informações Técnicas descarregar pdf (Página 187)

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101

UPDATE Command

User Reference

Use Pursuant to Company Instructions

3-55

parameter. When the version is read by Dr.Crypto, the encryption key

used to create the version is presented to Dr.Crypto to decrypt the data. If

the ENC parameter is used to change the algorithm, new versions will be

encrypted with that algorithm, but previously created versions will remain

encrypted in the prior algorithm.

The ENC parameter can be one of the following values:

 DES–Data Encryption Standard

 DE3–Data Encryption Standard 3

 AES–Advanced Encryption Standard

 NO–No encryption is done. This is the default.

When used, the DPW parameter must precede the ENC parameter.

Examples The following example updates the

PAYROLL.EDITED.TRANSACTIONS dataset, changing the associated

vault method to number 3.

UPDATE 'PAYROLL.EDITED.TRANSACTIONS',VLT=3

The following example updates the SR3.INVENTRY.45768 dataset,

changing the associated default block size to 10,000 and changing the

default density to 3490E with IDRC.

UPD 'SR3.INVENTRY.45768',BLK=10000,MOD=F8

The following example shows how to define and display an encryption

algorithm for a new dataset.

// EXEC TSIDMNT

CAT 'PAYROLL.MASTER' PWD=NX8W6R POL= .....

UPD 'PAYROLL.MASTER' DPW=NX8W6R ENC=DES

DIS 'PAYROLL.MASTER' DPW=NX8W6R

1 2 ... 182 183 184 185 186 187 188 189 190 191 192 ... 567 568

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