Re: Field Level Encryption - Best Practices -- MIDRANGE-L

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Charles Guarino gave a session on this at the Nashville COMMON Conference a couple of weeks ago, Michael. I've heard the session before, and I don't recall that he used a shadow/mirror table but, since, you attended the conference, you could download it from www.common.org/conferences/sguide/S08/main.htm .

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Michael Ryan wrote:

Looking for input. Embarking on a project to encrypt certain fields in
different files. My first thought is to have a shadow file containing
the encrypted fields, and then having a process to do
encryption/decryption as needed. I would blank/zero the fields in the
'master' file. I was thinking a shadow file because 1. - I wouldn't
have to change the format of the 'master' file; anmd 2. - I wouldn't
care about the difference in field length (encrypted/unencrypted).
Ideas? Thoughts? Thanks!

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