March 2012
Intermediate to advanced
442 pages
9h 31m
English
Content preview from IBM DB2 9.7 Advanced Application Developer CookbookBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Securing data by using DB2 encryption
Data encryption becomes very crucial in handling confidential data. Data can be encrypted during transit and at storage level. In this recipe, we will focus on encrypting the stored data. DB2 provides various functions that can be used to encrypt and decrypt the data. These functions can be embedded in any host language, just like a regular function or statement. Data is encrypted into BIT DATA, so before we can use encryption, we should have the target table designed to support the encrypted data.
Getting ready
We will use DB2 encryption functions to encrypt and decrypt the data in a test table. The following statement creates a test table that we will use in our recipe:
CREATE TABLE TEST_ENCRYPTION (ID INTEGER, ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.