Quantum Encryption Key Manager User’s Guide 1
Chapter 1
1Overview
Data is one of the most highly valued resources in a competitive business
environment. Protecting that data, controlling access to it, and verifying
its authenticity while maintaining its availability are priorities in our
security-conscious world. Data encryption is a tool that answers many of
these needs.
IBM LTO-4 and LTO-5 Fibre Channel and SAS tape drives are capable of
encrypting data as it is written to compatible data cartridges. Encryption
is performed at full line speed in the tape drive after compression.
(Compression is more efficiently done before encryption.) This new
capability adds a strong measure of security to stored data without the
processing overhead and performance degradation associated with
encryption performed on the server or the expense of a dedicated
appliance.
This chapter covers:
• Library Managed Encryption
• Managing Encryption With Q-EKM
• Quantum Encryption Key Manager (Q-EKM) Components
• Encryption Keys
• Encryption Certificates
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