Hitachi G1000 User manual

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Hitachi Virtual Storage Platform G1000

Encryption License Key User Guide

MK-92RD8009-04

No part of this publication may be reproduced or transmitted in any form or by any means,

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No part of this publication may be reproduced or transmitted in any form or by any means,

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system for any purpose without the express written permission of Hitachi, Ltd.

Hitachi, Ltd., reserves the right to make changes to this document at any time without notice and

assumes no responsibility for its use. This document contains the most current information available

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document will be updated and distributed to all registered users.

Some of the features described in this document might not be currently available. Refer to the most

recent product announcement for information about feature and product availability, or contact

Hitachi Data Systems Corporation at

https://portal.hds.com.

Notice: Hitachi, Ltd., products and services can be ordered only under the terms and conditions of

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Hitachi Virtual Storage Platform G1000 Encryption License Key User Guide

Contents

Preface................................................................................................. vii

Intended audience...................................................................................................viii

Product version....................................................................................................... viii

Document revision level........................................................................................... viii

Changes in this revision............................................................................................viii

Referenced documents.............................................................................................viii

Document conventions.............................................................................................. ix

Accessing product documentation............................................................................... x

Getting help...............................................................................................................x

Comments.................................................................................................................x

1 Encryption License Key Overview........................................................... 1-1

Encryption License Key benefits............................................................................... 1-2

Encryption License Key support specifications........................................................... 1-2

When are data encryption license keys needed......................................................... 1-3

Primary and secondary data encryption license keys..................................................1-3

KMIP key management server support..................................................................... 1-4

Audit logging of encryption events........................................................................... 1-4

Interoperability requirements and considerations...................................................... 1-5

Workflow for enabling data encryption..................................................................... 1-5

Workflow for encrypting existing data...................................................................... 1-5

Workflow for disabling encryption............................................................................ 1-6

Workflow for changing the encryption license key..................................................... 1-6

2 Encryption License Key Installation........................................................ 2-1

Workflow for Encryption License Key installation....................................................... 2-2

System requirements.............................................................................................. 2-2

Enabling the Encryption License Key feature............................................................. 2-2

Disabling the Encryption License Key feature............................................................ 2-3

3 Key Management Server Connections.....................................................3-1

Key management server requirements..................................................................... 3-2

Root and client certificates................................................................................ 3-2

Root certificate on the key management server......................................... 3-2

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Hitachi Virtual Storage Platform G1000 Encryption License Key User Guide

Client certificate password....................................................................... 3-2

Workflow for preparing the client certificate....................................................... 3-3

Converting the client certificate to the PKCS#12 format............................. 3-3

Uploading the root and client certificate....................................................3-3

Workflow for edit encryption environmental settings..................................................3-4

Configuring the connection settings to the key management server..................... 3-5

Settings in the Edit Encryption Environmental Settings window............................ 3-6

4 Managing data encryption license keys...................................................4-1

Workflow for creating data encryption license keys....................................................4-2

Creating data encryption license keys.................................................................4-2

Workflow for backing up secondary data encryption license keys......................... 4-3

Backing up keys as a file..........................................................................4-4

Backing up keys to a key management server........................................... 4-4

Opening the Backup Keys to Server window using the Encryption window...4-5

Opening the Backup Keys to Server window using the View Backup Keys on

Server window........................................................................................ 4-6

Editing the password policy..................................................................................... 4-6

Workflow for enabling data encryption on parity groups............................................ 4-7

Enabling data encryption at the parity group-level...............................................4-7

Workflow for disabling data encryption at the parity-group level.................................4-8

Disabling data encryption at the parity-group level..............................................4-9

Encryption formatting at the parity-group level ................................................ 4-10

Workflow for restoring data encryption license keys.................................................4-10

Restoring keys from a file................................................................................4-11

Restoring keys from a key management server................................................. 4-12

Workflow for deleting data encryption license keys..................................................4-12

Deleting data encryption license keys............................................................... 4-13

Deleting backup data encryption license keys from the server............................ 4-14

Viewing encryption keys backed up on the key management server..........................4-15

Exporting encryption license key table information.................................................. 4-15

Rekeying key encryption keys................................................................................ 4-16

Rekeying certificate encryption keys....................................................................... 4-16

Retrying Key Encryption Key Acquisition ................................................................ 4-17

Initialize the connection settings to the key management server.............................. 4-18

5 Troubleshooting....................................................................................5-1

Troubleshooting for Encryption License Key.............................................................. 5-2

Contacting the Hitachi Data Systems Support Center.................................................5-3

A Encryption License Key GUI Reference...................................................A-1

Encryption Keys window..........................................................................................A-3

Edit Encryption Environmental Settings wizard..........................................................A-5

Edit Encryption Environmental Settings window.................................................. A-5

Edit Encryption Environmental Settings confirmation window...............................A-9

Create Keys wizard............................................................................................... A-10

Create Keys window....................................................................................... A-11

Create Keys confirmation window.................................................................... A-11

Edit Password Policy (Backup Encryption Keys) wizard.............................................A-12

Edit Password Policy (Backup Encryption Keys) window.....................................A-12

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Hitachi Virtual Storage Platform G1000 Encryption License Key User Guide

Edit Password Policy (Backup Encryption Keys) confirmation window..................A-13

Backup Keys to File wizard.................................................................................... A-14

Backup Keys to File window............................................................................ A-15

Backup Keys to File confirmation window......................................................... A-16

Backup Keys to Server wizard................................................................................ A-16

Backup Keys to Server window........................................................................ A-17

Backup Keys to Server confirmation window.....................................................A-17

Restore Keys from file wizard.................................................................................A-18

Restore Keys from File window........................................................................ A-18

Restore Keys confirmation window...................................................................A-19

Restore Keys from Server wizard............................................................................A-19

Restore Keys from Server window....................................................................A-20

Restore Keys from Server confirmation window................................................ A-20

Delete Keys wizard................................................................................................A-21

Delete Keys window........................................................................................A-21

Delete Keys confirmation window.................................................................... A-22

Delete Backup Keys on Server window................................................................... A-22

View Backup Keys on Server window......................................................................A-23

Edit Encryption wizard...........................................................................................A-24

Edit Encryption window...................................................................................A-25

Edit Encryption confirmation window................................................................A-27

Rekey Certificate Encryption Keys window.............................................................. A-29

Rekey Key Encryption Key window......................................................................... A-29

Retry Key Encryption Key Acquisition window......................................................... A-30

Glossary

Index

v

Hitachi Virtual Storage Platform G1000 Encryption License Key User Guide

vi

Hitachi Virtual Storage Platform G1000 Encryption License Key User Guide

Preface

This document describes and provides instructions for installing and using the

Encryption License Key feature of the Hitachi Virtual Storage Platform G1000

storage system.

Please read this document carefully to understand how to use this product,

and maintain a copy for reference purposes.

□

Intended audience

□

Product version

□

Document revision level

□

Changes in this revision

□

Referenced documents

□

Document conventions

□

Accessing product documentation

□

Getting help

□

Comments

Preface

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Hitachi Virtual Storage Platform G1000 Encryption License Key User Guide

Intended audience

This document is intended for system administrators, Hitachi Data Systems

representatives, and authorized service providers who install, configure, and

operate the Hitachi Virtual Storage Platform G1000.

Readers of this document should be familiar with the following:

• Data processing and RAID storage systems and their basic functions.

• The Hitachi Virtual Storage Platform G1000 and the Hitachi Virtual

Storage Platform G1000 Product Guide.

• The Hitachi storage management software for the Hitachi Virtual Storage

Platform G1000 (Hitachi Command Suite or Hitachi Device Manager -

Storage Navigator) and the software user manual (Hitachi Virtual Storage

Platform G1000 System Administrator Guide).

• The use of data encryption in a storage environment.

Product version

This document revision applies to Hitachi Virtual Storage Platform G1000

microcode 80-02-4x or later.

Document revision level

Revision Date Description

MK-92RD8009-00 April 2014 Initial release

MK-92RD8009-01 August 2014 Supersedes and replaces MK-92RD8009-00

MK-92RD8009-02 October 2014 Supersedes and replaces MK-92RD8009-01

MK-92RD8009-03 February 2015 Supersedes and replaces MK-92RD8009-02

MK-92RD8009-04 May 2015 Supersedes and replaces MK-92RD8009-03

Changes in this revision

• Revised navigation steps in procedures.

Referenced documents

Hitachi Virtual Storage Platform G1000 documents:

• Hitachi Virtual Storage Platform G1000 Hardware Guide, MK-92RD8007

• Hitachi Virtual Storage Platform G1000 System Administrator Guide,

MK-92RD8016

• Hitachi Virtual Storage Platform G1000 Audit Log User Guide,

MK-92RD8008

viii

Preface

Hitachi Virtual Storage Platform G1000 Encryption License Key User Guide

• Hitachi Virtual Storage Platform G1000 Provisioning Guide for Mainframe

Systems, MK-92RD8013

• Hitachi Virtual Storage Platform G1000 Provisioning Guide for Open

Systems, MK-92RD8014

• Hitachi Device Manager - Storage Navigator Messages, MK-90RD8017

• Hitachi Command Suite Messages, MK-90HC178

• Hitachi Command Suite Administrator Guide, MK-90HC175

Document conventions

This document uses the following terminology conventions:

Convention Description

Hitachi storage

management software

Refers to all supported software products for the Hitachi Virtual

Storage Platform G1000 unless otherwise noted:

• Hitachi Command Suite

• Hitachi Device Manager - Storage Navigator

This document uses the following typographic conventions.

Convention Description

Bold Indicates text on a window, such as menus, menu options,

buttons, text boxes, and labels.

Example: Click OK.

Italic Indicates a variable, which is a placeholder for actual text

provided by the user or system.

Example: copy source-file target-file

Note: Angled brackets (< >) also indicate variables.

screen/code

Indicates text that is displayed on screen or typed by the user.

Example: # pairdisplay -g oradb

< > angled brackets Indicates a variable, which is a placeholder for actual text

provided by the user or system.

Example: # pairdisplay -g <group>

Note: Italic font also indicates variables.

[ ] square brackets Indicates optional values.

Example: [ a | b ] means that you can choose a, b, or nothing.

{ } braces Indicates required values.

Example: { a | b } means that you must choose either a or b.

| vertical bar Indicates that you have a choice between two or more options

or arguments.

Example:[ a | b ] means that you can choose a, b, or nothing.

Underline Indicates the default value.

Example: [ a | b ]

Preface

ix

Hitachi Virtual Storage Platform G1000 Encryption License Key User Guide

This document uses the following icons to draw attention to information.

Icon Meaning Description

Tip Provides helpful information, guidelines, or suggestions for

performing tasks more effectively.

Note Calls attention to important and/or additional information.

Caution Warns the user of adverse conditions and/or consequences

(e.g., disruptive operations).

WARNING Warns the user of severe conditions and/or consequences

(e.g., destructive operations).

Accessing product documentation

The Hitachi Virtual Storage Platform G1000 user documentation is available

on the Hitachi Data Systems Portal:

https://portal.hds.com. Check this

site for the most current documentation, including important updates that

may have been made after the release of the product.

Getting help

The Hitachi Data Systems customer support staff is available 24 hours a day,

seven days a week. If you need technical support, log on to the Hitachi Data

Systems Portal for contact information:

https://portal.hds.com.

Comments

Please send us your comments on this document:

[email protected].

Include the document title and number, including the revision level (for

example, -05), and refer to specific sections and paragraphs whenever

possible. All comments become the property of Hitachi Data Systems

Corporation.

Thank you!

x

Preface

Hitachi Virtual Storage Platform G1000 Encryption License Key User Guide

1

Encryption License Key Overview

The chapter describes the Encryption License Key feature of the Hitachi

Virtual Storage Platform G1000 storage system.

□

Encryption License Key benefits

□

Encryption License Key support specifications

□

When are data encryption license keys needed

□

Primary and secondary data encryption license keys

□

KMIP key management server support

□

Audit logging of encryption events

□

Interoperability requirements and considerations

□

Workflow for enabling data encryption

□

Workflow for encrypting existing data

□

Workflow for disabling encryption

□

Workflow for changing the encryption license key

Encryption License Key Overview

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Hitachi Virtual Storage Platform G1000 Encryption License Key User Guide

Encryption License Key benefits

To guarantee the security of data, use the Encryption License Key feature to

encrypt the data stored on the Hitachi Virtual Storage Platform G1000.

Encrypting data can prevent information loss and leaks, for example, when a

drive is physically removed from the storage system due to failure or theft.

The Encryption License Key feature provides the following benefits:

• Hardware-based AES 256 encryption in XTS mode for open and

mainframe systems.

• You can apply encryption to some or all of the internal drives without

throughput or latency impacts for data I/O and little to no disruption to

existing applications and infrastructure.

• Simplified and integrated key management that does note require

specialized key management infrastructure.

Encryption License Key support specifications

The following table lists the support specifications for Encryption License Key.

Item Specification

Hardware

specifications

Encryption algorithm Advanced Encryption Standard (AES) 256

bit.

Encryption mode XTS mode.

LDEVs that you

can encrypt

Volume type Open, mainframe, multiplatform.

Emulation type All emulation types.

Internal/external LDEVs Internal LDEVs only.

LDEV with existing data Supported. Requires data migration.

Managing data

encryption

license keys

Creating data encryption

license keys

Use the Hitachi storage management

software to create data encryption license

keys.

Deleting data encryption

license keys

Use the Hitachi storage management

software to delete data encryption license

keys.

However, you cannot delete data

encryption license keys that are allocated

to implemented drives.

Unit of encryption/

decryption

Parity group. Data encryption license

keys are used per HDD.

Scope of data encryption

license keys

4,096 data encryption license keys per

storage system.

You can create 4,096 Free keys or DEK

keys. You can create 32 CEK keys and

one KEK key. Therefore, the total number

of data encryption license keys will be

1-2

Encryption License Key Overview

Hitachi Virtual Storage Platform G1000 Encryption License Key User Guide

Item Specification

4,129 when including CEK keys and KEK

keys.

Attribute of encryption

license keys

The following attributes will be set for the

encryption license keys:

Free: The unused key before allocating

the encryption license key.

DEK: The encryption license key. The key

for the encryption of the stored data.

CEK: The certificate encryption key. The

key for the encryption of the certificate

and the key for the encryption of DEK per

HDD.

KEK: Key Encryption Key. The key for the

encryption of the CEK.

Backup/Restore

functionality

Redundant (primary and secondary)

backup/restore copies.

When are data encryption license keys needed

After you have completed the encryption environmental settings, you will

need data encryption license keys to perform the following operations:

• Adding drives

A Free key is needed for each drive to allocate a DEK key.

• Replacing drives

A Free key is needed for each drive to change a DEK key.

• Adding or replacing disk adapters

Six Free keys are needed for each disk adapter to create four CEK keys

and two keys to register CEK keys.

• Updating CEK keys

Four Free keys for each disk adapter (32 Free keys per storage system)

are needed to change CEK keys.

If a problem occurs during an operation, extra keys might be needed to

recover from the problem.

Primary and secondary data encryption license keys

The Hitachi Virtual Storage Platform G1000 automatically creates a primary

backup of each data encryption license key and stores this backup on each

MP package. The Encryption License Key feature enables you to create

secondary backups of the data encryption license keys for the Hitachi Virtual

Storage Platform G1000. If the primary backup key is unavailable, the

secondary backup is required to restore the key.

Encryption License Key Overview

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Hitachi Virtual Storage Platform G1000 Encryption License Key User Guide

WARNING: If the primary backup key becomes unavailable and no

secondary backup key exists, the system cannot decrypt the encrypted data.

It is strongly recommended that you back up each key or group of keys

immediately after you create them and schedule regular weekly backups of

all keys to ensure data availability. You are responsible for storing the

secondary backup keys securely.

It is also recommended that you back up each key after you perform any of

the following operations:

• Adding, removing, or replacing drives

• Adding, removing, or replacing disk adapters

• Updating CEK keys

• Updating KEK keys

Note: The creation and secure storage of secondary backup encryption

license keys must be included as part of your corporate security policy.

For details about backing up secondary data encryption license keys, see

Workflow for backing up secondary data encryption license keys on page

4-3.

KMIP key management server support

Using the Encryption License Key feature, you can create backup and restore

data encryption license keys on a key management server that supports Key

Management Interoperability Protocol (KMIP).

There are a limited number of keys you can back up on the key management

server. Therefore, it is recommended that you delete unnecessary keys when

possible.

For details about backing up data encryption license keys to a key

management server, see

Backing up keys to a key management server on

page 4-4.

Audit logging of encryption events

The Audit Log feature of the Hitachi Virtual Storage Platform G1000 provides

audit logging of events that happen in the system. The audit log records

events related to data encryption and data encryption license keys.

For details about audit logging and audit log events, see the Hitachi Virtual

Storage Platform G1000 Audit Log User Guide.

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Encryption License Key Overview

Hitachi Virtual Storage Platform G1000 Encryption License Key User Guide

Interoperability requirements and considerations

The following table provides the interoperability requirements and

considerations for Encryption License Key operations.

Functions Interoperability requirements and considerations

ShadowImage, TrueCopy,

Compatible FlashCopy® V2,

and Compatible XRC

Encrypt both the P-VOL and S-VOLs (S-VOL and T-VOLs

for Compatible FlashCopy® V2) of pairs to ensure data

security.

Thin Image Match the encryption states of the P-VOL and pool-VOL. If

the P-VOL is encrypted, encrypt all of the pool-VOLs. If

the data pool contains non-encrypted pool-VOL, the

differential data of the P-VOL is not encrypted.

Universal Replicator Match the encryption states of a P-VOL and S-VOL. If you

encrypt the P-VOL only, the data copied on the S-VOL is

not encrypted and therefore not protected.

When you encrypt a P-VOL or S-VOL, use a journal to

which only encrypted LDEVs are registered as journal

volumes. If the encryption states of the P-VOL, S-VOL,

and journal volumes do not match, the journal data in the

P-VOL is not encrypted, and the security of the data

cannot be guaranteed.

Dynamic Provisioning,

Dynamic Tiering, Dynamic

Provisioning for Mainframe,

and Dynamic Tiering for

Mainframe

When enabling encryption for data written to a data pool

with a V-VOL, use a data pool that consists of encrypted

volumes.

Workflow for enabling data encryption

Use the following process to set up for and enable data encryption:

1. Create a secondary backup of the data encryption license key. For details,

see

Workflow for backing up secondary data encryption license keys on

page 4-3.

2. Enable data encryption at the parity-group level. For details, see Enabling

data encryption at the parity group-level on page 4-7.

3. Format the LDEVs in the encrypted parity group. The data to be stored on

these new LDEVs will be encrypted.

For instructions on formatting LDEVs, see the Hitachi Virtual Storage

Platform G1000 Provisioning Guide for Open Systems.

Workflow for encrypting existing data

To encrypt existing data, you must migrate the data to an encrypted parity

group.

Use the following process to encrypt existing data:

1. Create a new parity group.

Encryption License Key Overview

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Hitachi Virtual Storage Platform G1000 Encryption License Key User Guide

2. Enable data encryption on the parity group. For details, see Enabling data

encryption at the parity group-level on page 4-7.

3. Format the LDEVs in the encrypted parity group. For instructions, see the

Hitachi Virtual Storage Platform G1000 Provisioning Guide for Open

Systems.

4. Migrate the existing data to the LDEVs in the encrypted parity group. For

details about data migration, contact your Hitachi Data Systems account

team.

Workflow for disabling encryption

Use the following process to disable encryption:

1. Back up the data in the parity group.

2. Disable data encryption at the parity-group level. For details, see

Workflow for disabling data encryption at the parity-group level on page

4-8.

3. Format the LDEVs in the parity group. For instructions, see the Hitachi

Virtual Storage Platform G1000 Provisioning Guide for Open Systems.

Workflow for changing the encryption license key

To change the encryption license key for existing encrypted data, you must

migrate the data to an encrypted parity group that has a different encryption

license key.

Use the following process to change the encryption license key for encrypted

data:

1. Create a new parity group.

2. Enable encryption with a new data encryption license key. For details, see

Enabling data encryption at the parity group-level on page 4-7.

3. Format the LDEVs in the encrypted parity group. For instructions, see the

Hitachi Virtual Storage Platform G1000 Provisioning Guide for Open

Systems.

4. Migrate the source data to the new target LDEVs in the encrypted parity

group.

When a drive is replaced, the data encryption license keys that are allocated

to that drive are deleted, and new data encryption license keys are allocated

when the new drive is added.

1-6

Encryption License Key Overview

Hitachi Virtual Storage Platform G1000 Encryption License Key User Guide

2

Encryption License Key Installation

This chapter describes how to install the Encryption License Key feature.

□

Workflow for Encryption License Key installation

□

System requirements

□

Enabling the Encryption License Key feature

□

Disabling the Encryption License Key feature

Encryption License Key Installation

2-1

Hitachi Virtual Storage Platform G1000 Encryption License Key User Guide

Workflow for Encryption License Key installation

Use the following process to install the Encryption License Key feature:

1. Verify that your system meets the system requirements.

For details, see System requirements on page 2-2.

2. Enable the Encryption License Key feature.

For details, see Enabling the Encryption License Key feature on page

2-2.

3. Assign the Security Administrator (View & Modify) role to the

administrator who creates, backs up, and restores data encryption license

keys.

For details, see Enabling the Encryption License Key feature on page

2-2.

System requirements

The following table lists the system requirements for the Encryption License

Key feature.

Item Requirement

Hitachi Virtual Storage Platform

G1000

• Microcode 80-01-2x and later.

Hitachi Command Suite

Hitachi Device Manager -

Storage Navigator

• Encryption License Key software license

• Security Administrator (View & Modify) role to

enable or disable data encryption and to back up

or restore keys

• Storage Administrator (provisioning) role to format

volumes

SVP (Web server) To connect to the key management server by

specifying the host name instead of IP address, you

need the DNS server settings. For SVP configuration,

give your service representative the IP address of the

DNS server.

Host platforms All open-systems and mainframe host platforms are

supported.

Data volumes All volume types and emulations are supported: open-

systems, mainframe, and multiplatform.

Supported volumes: Internal

Disk adapter A disk adapter that provides data encryption.

Enabling the Encryption License Key feature

To enable the Encryption License Key feature:

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Encryption License Key Installation

Hitachi Virtual Storage Platform G1000 Encryption License Key User Guide

1. Enable the software license key for the Encryption License Key feature.

For instructions, see the Hitachi Virtual Storage Platform G1000 System

Administrator Guide.

If the Encryption License Key software license expires or is missing, you

cannot delete the encryption key.

2. Assign the Security Administrator (View & Modify) role to the user who

will be enabling or disabling data encryption and back up or restoring

keys.

For details about assigning roles, see the Hitachi Virtual Storage Platform

G1000 System Administrator Guide.

Disabling the Encryption License Key feature

Caution: You must perform steps 1 and 2 in the following procedure before

you delete the software license key.

1. Disable data encryption at the parity-group level. For instructions, see

Disabling data encryption at the parity-group level on page 4-9.

2. Initialize the connection settings to the key management server. For

instructions, see Initialize the connection settings to the key management

server on page 4-18.

3. Disable the software license key. For instructions, see the Hitachi Virtual

Storage Platform G1000 System Administrator Guide.

Encryption License Key Installation

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Hitachi Virtual Storage Platform G1000 Encryption License Key User Guide

2-4

Encryption License Key Installation

Hitachi Virtual Storage Platform G1000 Encryption License Key User Guide

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